changeset 91ba99507adb in modules/account_payment_braintree:default
details: 
https://hg.tryton.org/modules/account_payment_braintree?cmd=changeset;node=91ba99507adb
description:
        Add account_payment_braintree module

        issue9542
        review306281002
diffstat:

 .drone.yml                                       |    62 +
 .flake8                                          |     2 +
 COPYRIGHT                                        |    15 +
 LICENSE                                          |   674 ++++++++++++
 MANIFEST.in                                      |     5 +
 README.rst                                       |     1 +
 __init__.py                                      |    32 +
 account.py                                       |  1215 ++++++++++++++++++++++
 account.xml                                      |   383 ++++++
 checkout.html                                    |    51 +
 doc/index.rst                                    |    67 +
 ir.py                                            |    25 +
 message.xml                                      |    13 +
 party.py                                         |    21 +
 routes.py                                        |    83 +
 setup.py                                         |   145 ++
 tests/__init__.py                                |     9 +
 tests/scenario_account_payment_braintree.rst     |   286 +++++
 tests/test_account_payment_braintree.py          |    31 +
 tox.ini                                          |    15 +
 tryton.cfg                                       |    10 +
 view/account_form.xml                            |    22 +
 view/account_list.xml                            |     7 +
 view/customer_form.xml                           |    24 +
 view/customer_list.xml                           |     9 +
 view/customer_payment_method_delete_ask_form.xml |     9 +
 view/payment_form.xml                            |    51 +
 view/payment_journal_form.xml                    |    11 +
 view/payment_list.xml                            |     9 +
 view/refund_form.xml                             |    19 +
 view/refund_list.xml                             |     8 +
 31 files changed, 3314 insertions(+), 0 deletions(-)

diffs (3439 lines):

diff -r 000000000000 -r 91ba99507adb .drone.yml
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/.drone.yml        Thu Oct 08 22:23:33 2020 +0200
@@ -0,0 +1,62 @@
+clone:
+    hg:
+        image: plugins/hg
+        environment:
+            - HG_SHARE_POOL=/root/.cache/hg
+        volumes:
+            - cache:/root/.cache
+
+pipeline:
+    tox:
+        image: ${IMAGE}
+        environment:
+            - CFLAGS=-O0
+            - DB_CACHE=/cache
+            - TOX_TESTENV_PASSENV=CFLAGS DB_CACHE
+            - POSTGRESQL_URI=postgresql://postgres@postgresql:5432/
+        commands:
+            - echo "[extensions]" >> /root/.hgrc
+            - echo "hgext.share =" >> /root/.hgrc
+            - echo "[share]" >> /root/.hgrc
+            - echo "pool = /root/.cache/hg" >> /root/.hgrc
+            - pip install tox
+            - tox -e "${TOXENV}-${DATABASE}"
+        volumes:
+            - cache:/root/.cache
+
+services:
+    postgresql:
+        image: postgres
+        environment:
+            - POSTGRES_HOST_AUTH_METHOD=trust
+        command: "-c fsync=off -c synchronous_commit=off -c 
full_page_writes=off"
+        when:
+            matrix:
+                DATABASE: postgresql
+
+matrix:
+    include:
+        - IMAGE: python:3.5
+          TOXENV: py35
+          DATABASE: sqlite
+        - IMAGE: python:3.5
+          TOXENV: py35
+          DATABASE: postgresql
+        - IMAGE: python:3.6
+          TOXENV: py36
+          DATABASE: sqlite
+        - IMAGE: python:3.6
+          TOXENV: py36
+          DATABASE: postgresql
+        - IMAGE: python:3.7
+          TOXENV: py37
+          DATABASE: sqlite
+        - IMAGE: python:3.7
+          TOXENV: py37
+          DATABASE: postgresql
+        - IMAGE: python:3.8
+          TOXENV: py38
+          DATABASE: sqlite
+        - IMAGE: python:3.8
+          TOXENV: py38
+          DATABASE: postgresql
diff -r 000000000000 -r 91ba99507adb .flake8
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/.flake8   Thu Oct 08 22:23:33 2020 +0200
@@ -0,0 +1,2 @@
+[flake8]
+ignore=E123,E124,E126,E128,W503
diff -r 000000000000 -r 91ba99507adb COPYRIGHT
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/COPYRIGHT Thu Oct 08 22:23:33 2020 +0200
@@ -0,0 +1,15 @@
+Copyright (C) 2020 B2CK
+Copyright (C) 2020 Cédric Krier
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
diff -r 000000000000 -r 91ba99507adb LICENSE
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/LICENSE   Thu Oct 08 22:23:33 2020 +0200
@@ -0,0 +1,674 @@
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
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+
+  In the following three paragraphs, a "patent license" is any express
+agreement or commitment, however denominated, not to enforce a patent
+(such as an express permission to practice a patent or covenant not to
+sue for patent infringement).  To "grant" such a patent license to a
+party means to make such an agreement or commitment not to enforce a
+patent against the party.
+
+  If you convey a covered work, knowingly relying on a patent license,
+and the Corresponding Source of the work is not available for anyone
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+then you must either (1) cause the Corresponding Source to be so
+available, or (2) arrange to deprive yourself of the benefit of the
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+license to downstream recipients.  "Knowingly relying" means you have
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+
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+you grant is automatically extended to all recipients of the covered
+work and works based on it.
+
+  A patent license is "discriminatory" if it does not include within
+the scope of its coverage, prohibits the exercise of, or is
+conditioned on the non-exercise of one or more of the rights that are
+specifically granted under this License.  You may not convey a covered
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+to the third party based on the extent of your activity of conveying
+the work, and under which the third party grants, to any of the
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+conveyed by you (or copies made from those copies), or (b) primarily
+for and in connection with specific products or compilations that
+contain the covered work, unless you entered into that arrangement,
+or that patent license was granted, prior to 28 March 2007.
+
+  Nothing in this License shall be construed as excluding or limiting
+any implied license or other defenses to infringement that may
+otherwise be available to you under applicable patent law.
+
+  12. No Surrender of Others' Freedom.
+
+  If conditions are imposed on you (whether by court order, agreement or
+otherwise) that contradict the conditions of this License, they do not
+excuse you from the conditions of this License.  If you cannot convey a
+covered work so as to satisfy simultaneously your obligations under this
+License and any other pertinent obligations, then as a consequence you may
+not convey it at all.  For example, if you agree to terms that obligate you
+to collect a royalty for further conveying from those to whom you convey
+the Program, the only way you could satisfy both those terms and this
+License would be to refrain entirely from conveying the Program.
+
+  13. Use with the GNU Affero General Public License.
+
+  Notwithstanding any other provision of this License, you have
+permission to link or combine any covered work with a work licensed
+under version 3 of the GNU Affero General Public License into a single
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+License will continue to apply to the part which is the covered work,
+but the special requirements of the GNU Affero General Public License,
+section 13, concerning interaction through a network will apply to the
+combination as such.
+
+  14. Revised Versions of this License.
+
+  The Free Software Foundation may publish revised and/or new versions of
+the GNU General Public License from time to time.  Such new versions will
+be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+  Each version is given a distinguishing version number.  If the
+Program specifies that a certain numbered version of the GNU General
+Public License "or any later version" applies to it, you have the
+option of following the terms and conditions either of that numbered
+version or of any later version published by the Free Software
+Foundation.  If the Program does not specify a version number of the
+GNU General Public License, you may choose any version ever published
+by the Free Software Foundation.
+
+  If the Program specifies that a proxy can decide which future
+versions of the GNU General Public License can be used, that proxy's
+public statement of acceptance of a version permanently authorizes you
+to choose that version for the Program.
+
+  Later license versions may give you additional or different
+permissions.  However, no additional obligations are imposed on any
+author or copyright holder as a result of your choosing to follow a
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+
+  15. Disclaimer of Warranty.
+
+  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
+OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
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+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+  16. Limitation of Liability.
+
+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
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+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
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+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+    <program>  Copyright (C) <year>  <name of author>
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<http://www.gnu.org/licenses/>.
+
+  The GNU General Public License does not permit incorporating your program
+into proprietary programs.  If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.  But first, please read
+<http://www.gnu.org/philosophy/why-not-lgpl.html>.
diff -r 000000000000 -r 91ba99507adb MANIFEST.in
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/MANIFEST.in       Thu Oct 08 22:23:33 2020 +0200
@@ -0,0 +1,5 @@
+include CHANGELOG
+include COPYRIGHT
+include LICENSE
+include README.rst
+include doc/*
diff -r 000000000000 -r 91ba99507adb README.rst
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/README.rst        Thu Oct 08 22:23:33 2020 +0200
@@ -0,0 +1,1 @@
+doc/index.rst
\ No newline at end of file
diff -r 000000000000 -r 91ba99507adb __init__.py
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/__init__.py       Thu Oct 08 22:23:33 2020 +0200
@@ -0,0 +1,32 @@
+# This file is part of Tryton.  The COPYRIGHT file at the top level of
+# this repository contains the full copyright notices and license terms.
+
+from trytond.pool import Pool
+from . import account
+from . import ir
+from . import party
+from . import routes
+
+__all__ = ['register', 'routes']
+
+
+def register():
+    Pool.register(
+        ir.Cron,
+        account.PaymentJournal,
+        account.PaymentGroup,
+        account.Payment,
+        account.PaymentBraintreeRefund,
+        account.PaymentBraintreeAccount,
+        account.PaymentBraintreeCustomer,
+        account.PaymentBraintreeCustomerPaymentMethodDeleteAsk,
+        party.Party,
+        module='account_payment_braintree', type_='model')
+    Pool.register(
+        account.PaymentBraintreeCustomerPaymentMethodDelete,
+        account.PaymentBraintreeCheckout,
+        party.Replace,
+        module='account_payment_braintree', type_='wizard')
+    Pool.register(
+        account.PaymentBraintreeCheckoutPage,
+        module='account_payment_braintree', type_='report')
diff -r 000000000000 -r 91ba99507adb account.py
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/account.py        Thu Oct 08 22:23:33 2020 +0200
@@ -0,0 +1,1215 @@
+# This file is part of Tryton.  The COPYRIGHT file at the top level of
+# this repository contains the full copyright notices and license terms.
+import logging
+import urllib
+import uuid
+
+import braintree
+from braintree.exceptions import TooManyRequestsError, GatewayTimeoutError
+from braintree.exceptions.braintree_error import BraintreeError
+
+from trytond.cache import Cache
+from trytond.config import config
+from trytond.i18n import gettext
+from trytond.model import (
+    ModelSQL, ModelView, DeactivableMixin, Workflow, fields)
+from trytond.pool import PoolMeta, Pool
+from trytond.pyson import Eval, Bool
+from trytond.report import Report
+from trytond.transaction import Transaction
+from trytond.url import http_host
+from trytond.wizard import (
+    Wizard, StateAction, StateView, StateTransition, Button)
+
+from trytond.modules.account_payment.exceptions import (
+    ProcessError, PaymentValidationError)
+
+logger = logging.getLogger(__name__)
+
+SUCCEEDED_STATUSES = {braintree.Transaction.Status.Settled}
+FAILED_STATUSES = {
+    braintree.Transaction.Status.AuthorizationExpired,
+    braintree.Transaction.Status.SettlementDeclined,
+    braintree.Transaction.Status.Failed,
+    braintree.Transaction.Status.GatewayRejected,
+    braintree.Transaction.Status.ProcessorDeclined,
+    braintree.Transaction.Status.Voided,
+    }
+DISPUTE_FINAL_STATUSES = {
+    braintree.Dispute.Status.Expired,
+    braintree.Dispute.Status.Won,
+    braintree.Dispute.Status.Lost,
+    }
+
+
+class PaymentJournal(metaclass=PoolMeta):
+    __name__ = 'account.payment.journal'
+
+    braintree_account = fields.Many2One(
+        'account.payment.braintree.account', "Account", ondelete='RESTRICT',
+        domain=[
+            ('currency', '=', Eval('currency')),
+            ],
+        states={
+            'required': Eval('process_method') == 'braintree',
+            'invisible': Eval('process_method') != 'braintree',
+            },
+        depends=['currency', 'process_method'])
+
+    @classmethod
+    def __setup__(cls):
+        super().__setup__()
+        braintree_method = ('braintree', "Braintree")
+        if braintree_method not in cls.process_method.selection:
+            cls.process_method.selection.append(braintree_method)
+
+
+class PaymentGroup(metaclass=PoolMeta):
+    __name__ = 'account.payment.group'
+
+    def process_braintree(self):
+        pool = Pool()
+        Payment = pool.get('account.payment')
+        for payment in self.payments:
+            if not payment.braintree_nonce and not payment.braintree_customer:
+                account = payment.journal.braintree_account
+                for customer in payment.party.braintree_customers:
+                    if (customer.braintree_account == account
+                            and customer.braintree_customer_id):
+                        payment.braintree_customer = customer
+                        break
+                else:
+                    raise ProcessError(
+                        gettext(
+                            'account_payment_braintree.msg_no_braintree_nonce',
+                            payment=payment.rec_name))
+        Payment.save(self.payments)
+        Payment.__queue__.braintree_transact(self.payments)
+
+
+class CheckoutMixin:
+    braintree_checkout_id = fields.Char("Braintree Checkout ID", readonly=True)
+    braintree_client_token = fields.Char(
+        "Braintree Client Token", readonly=True)
+    braintree_nonce = fields.Char(
+        "Braintree Nonce", readonly=True,
+        states={
+            'invisible': ~Eval('braintree_nonce'),
+            })
+    braintree_device_data = fields.Char(
+        "Braintree Device Data", readonly=True,
+        states={
+            'invisible': ~Eval('device_data'),
+            })
+
+    @classmethod
+    def copy(cls, records, default=None):
+        if default is None:
+            default = {}
+        else:
+            default = default.copy()
+        default.setdefault('braintree_checkout_id')
+        default.setdefault('braintree_client_token', None)
+        default.setdefault('braintree_nonce', None)
+        default.setdefault('braintree_device_data', None)
+        return super().copy(records, default=default)
+
+    @classmethod
+    @ModelView.button_action('account_payment_braintree.wizard_checkout')
+    def braintree_checkout(cls, records):
+        for record in records:
+            record.braintree_checkout_id = uuid.uuid4().hex
+        cls.save(records)
+
+    @property
+    def braintree_checkout_url(self):
+        pool = Pool()
+        database = Transaction().database.name
+        Checkout = pool.get(
+            'account.payment.braintree.checkout', type='wizard')
+        action = Checkout.checkout.get_action()
+        return action['url'] % {
+            'http_host': http_host(),
+            'database': database,
+            'model': self.__class__.__name__,
+            'id': self.braintree_checkout_id,
+            }
+
+    def braintree_set_nonce(self, nonce, device_data=None):
+        self.braintree_nonce = nonce
+        self.device_data = device_data
+        self.save()
+
+
+class Payment(CheckoutMixin, metaclass=PoolMeta):
+    __name__ = 'account.payment'
+
+    braintree_account = fields.Function(fields.Many2One(
+            'account.payment.braintree.account', "Braintree Account"),
+        'on_change_with_braintree_account')
+
+    braintree_customer = fields.Many2One(
+        'account.payment.braintree.customer', "Braintree Customer",
+        domain=[
+            ('party', '=', Eval('party', -1)),
+            ('braintree_account', '=', Eval('braintree_account', -1)),
+            ],
+        states={
+            'invisible': Eval('process_method') != 'braintree',
+            'readonly': (~Eval('state').in_(['draft', 'approved'])
+                | Eval('braintree_nonce')),
+            },
+        depends=['party', 'braintree_account', 'process_method',
+            'braintree_nonce', 'state'])
+    braintree_customer_method = fields.Char(
+        "Braintree Customer Method",
+        states={
+            'invisible': ((Eval('process_method') != 'braintree')
+                | Eval('braintree_nonce')
+                | ~Eval('braintree_customer')),
+            'readonly': ~Eval('state').in_(['draft', 'approved']),
+            },
+        depends=[
+            'process_method',
+            'braintree_nonce',
+            'braintree_customer',
+            'state'])
+    # Use Function field with selection
+    # to avoid querying Braintree on validation
+    braintree_customer_method_selection = fields.Function(fields.Selection(
+            'get_braintree_customer_methods', "Braintree Customer Method",
+            states={
+                'invisible': ((Eval('process_method') != 'braintree')
+                    | Eval('braintree_nonce')
+                    | ~Eval('braintree_customer')),
+                'readonly': ~Eval('state').in_(['draft', 'approved']),
+                },
+            depends=[
+                'process_method',
+                'braintree_nonce',
+                'braintree_customer',
+                'state']),
+        'get_braintree_customer_method',
+        setter='set_braintree_customer_method')
+
+    braintree_transaction_id = fields.Char(
+        "Braintree Transaction ID", readonly=True,
+        states={
+            'invisible': ((Eval('process_method') != 'braintree')
+                | ~Eval('braintree_transaction_id')),
+            },
+        depends=['process_method'])
+    braintree_settle_payment = fields.Boolean(
+        "Braintree Settle Payment",
+        states={
+            'invisible': Eval('process_method') != 'braintree',
+            'readonly': Eval('state') != 'draft',
+            },
+        depends=['process_method', 'state'])
+    braintree_payment_settled = fields.Boolean(
+        "Braintree Payment Settled", readonly=True)
+    braintree_settlement_needed = fields.Function(
+        fields.Boolean("Braintree Settlement Needed"),
+        'get_braintree_settlement_needed')
+
+    braintree_refunds = fields.One2Many(
+        'account.payment.braintree.refund', 'payment', "Refunds",
+        states={
+            'invisible': ((Eval('process_method') != 'braintree')
+                | ~Eval('braintree_transaction_id')),
+            },
+        depends=['process_method', 'braintree_transaction_id'])
+
+    braintree_dispute_reason = fields.Char(
+        "Braintree Dispute Reason", readonly=True,
+        states={
+            'invisible': ~Eval('braintree_dispute_reason'),
+            })
+    braintree_dispute_status = fields.Char(
+        "Braintree Dispute Status", readonly=True,
+        states={
+            'invisible': ~Eval('braintree_dispute_status'),
+            })
+
+    braintree_error_message = fields.Text(
+        "Braintree Error Message", readonly=True,
+        states={
+            'invisible': ~Eval('braintree_error_message'),
+            })
+
+    @classmethod
+    def __setup__(cls):
+        super().__setup__()
+        cls.amount.states['readonly'] &= ~Eval('braintree_settlement_needed')
+        cls.amount.depends.append('braintree_settlement_needed')
+        cls._buttons.update({
+                'braintree_checkout': {
+                    'invisible': (~Eval('state', 'draft').in_(
+                            ['approved', 'processing'])
+                        | (Eval('process_method') != 'braintree')
+                        | Eval('braintree_nonce')
+                        | Eval('braintree_customer_method')),
+                    'depends': [
+                        'state',
+                        'process_method',
+                        'braintree_nonce',
+                        'braintree_customer_method',
+                        ],
+                    },
+                'braintree_do_settle_payment': {
+                    'invisible': ((Eval('state', 'draft') != 'processing')
+                        | ~Eval('braintree_settlement_needed')),
+                    'depends': ['state', 'braintree_settlement_needed'],
+                    },
+                'braintree_do_pull': {
+                    'invisible': ~Eval('braintree_transaction_id'),
+                    'depends': ['braintree_transaction_id'],
+                    },
+                })
+
+    @fields.depends('journal')
+    def on_change_with_braintree_account(self, name=None):
+        if self.journal and self.journal.process_method == 'braintree':
+            return self.journal.braintree_account.id
+
+    def on_change_party(self):
+        super().on_change_party()
+        self.braintree_customer = None
+
+    @fields.depends('braintree_customer', 'braintree_customer_method')
+    def get_braintree_customer_methods(self):
+        methods = [('', '')]
+        if self.braintree_customer:
+            methods.extend(self.braintree_customer.payment_methods())
+        if (self.braintree_customer_method
+                and self.braintree_customer_method not in dict(methods)):
+            methods.append((
+                    self.braintree_customer_method,
+                    self.braintree_customer_method))
+        return methods
+
+    @fields.depends(
+        'braintree_customer_method_selection', 'braintree_customer_method')
+    def on_change_braintree_customer_method_selection(self):
+        self.braintree_customer_method = (
+            self.braintree_customer_method_selection)
+
+    def get_braintree_customer_method(self, name):
+        return self.braintree_customer_method
+
+    @classmethod
+    def set_braintree_customer_method(cls, payments, name, value):
+        pass
+
+    @classmethod
+    def default_braintree_settle_payment(cls):
+        return True
+
+    @classmethod
+    def default_braintree_payment_settled(cls):
+        return False
+
+    def get_braintree_settlement_needed(self, name):
+        return (self.journal.process_method == 'braintree'
+            and self.braintree_transaction_id
+            and not self.braintree_settle_payment
+            and not self.braintree_payment_settled)
+
+    @classmethod
+    def view_attributes(cls):
+        return super().view_attributes() + [
+            ('//group[@id="braintree"]', 'states', {
+                    'invisible': Eval('process_method') != 'braintree',
+                    }),
+            ]
+
+    @classmethod
+    def validate(cls, payments):
+        super(Payment, cls).validate(payments)
+        for payment in payments:
+            payment.check_braintree_journal()
+
+    def check_braintree_journal(self):
+        if (self.kind != 'receivable'
+                and self.journal.process_method == 'braintree'):
+            raise PaymentValidationError(
+                gettext('account_payment_braintree.msg_braintree_receivable',
+                    journal=self.journal.rec_name,
+                    payment=self.rec_name))
+
+    @classmethod
+    def copy(cls, payments, default=None):
+        if default is None:
+            default = {}
+        else:
+            default = default.copy()
+        default.setdefault('braintree_transaction_id', None)
+        default.setdefault('braintree_payment_settled', False)
+        default.setdefault('braintree_error_message')
+        return super().copy(payments, default=default)
+
+    @classmethod
+    def braintree_checkout(cls, payments):
+        for payment in payments:
+            if payment.braintree_client_token:
+                continue
+            gateway = payment.braintree_account.gateway()
+            client_token = gateway.client_token.generate()
+            payment.braintree_client_token = client_token
+        return super().braintree_checkout(payments)
+
+    @classmethod
+    @ModelView.button
+    @Workflow.transition('draft')
+    def draft(cls, payments):
+        super(Payment, cls).draft(payments)
+        for payment in payments:
+            if payment.braintree_nonce:
+                payment.braintree_nonce = None
+                payment.braintree_device_data = None
+        cls.save(payments)
+
+    @classmethod
+    def braintree_transact(cls, payments=None):
+        """Create transactions for braintree payments
+
+        The transaction is committed after each payment sale."""
+        if payments is None:
+            payments = cls.search([
+                    ('state', '=', 'processing'),
+                    ('journal.process_method', '=', 'braintree'),
+                    ['OR',
+                        ('braintree_nonce', '!=', None),
+                        ('braintree_customer_method', '!=', None),
+                        ('braintree_customer', '!=', None),
+                        ],
+                    ('braintree_transaction_id', '=', None),
+                    ('company', '=', Transaction().context.get('company')),
+                    ])
+
+        for payment in payments:
+            # Use clear cache after a commit
+            payment = cls(payment.id)
+            if (payment.braintree_transaction_id
+                    or payment.journal.process_method != 'braintree'
+                    or payment.state != 'processing'):
+                continue
+            payment.lock()
+            gateway = payment.braintree_account.gateway()
+            try:
+                result = gateway.transaction.sale(
+                    payment._braintree_transaction_parameters())
+            except TooManyRequestsError as e:
+                logger.warning(str(e))
+                continue
+            except BraintreeError as e:
+                payment.braintree_error_message = str(e)
+                payment.save()
+                cls.fail([payment])
+            except Exception:
+                logger.error(
+                    "Error when processing payment %d", payment.id,
+                    exc_info=True)
+                continue
+            else:
+                if result.is_success:
+                    payment.braintree_transaction_id = result.transaction.id
+                    payment.braintree_payment_settled = (
+                        payment.braintree_settle_payment)
+                    payment.braintree_update(result.transaction)
+                    if (payment.braintree_account.environment == 'sandbox'
+                            and (payment.braintree_account
+                                .sandbox_settle_transaction)
+                            and payment.braintree_settle_payment):
+                        gateway.testing.settle_transaction(
+                            result.transaction.id)
+                else:
+                    payment.braintree_error_message = result.message
+                    payment.save()
+                    cls.fail([payment])
+            Transaction().commit()
+
+    def _braintree_transaction_parameters(self):
+        params = {
+            'amount': self.amount,
+            'options': {
+                'submit_for_settlement': self.braintree_settle_payment,
+                },
+            }
+        if self.braintree_nonce:
+            params['payment_method_nonce'] = self.braintree_nonce
+        elif self.braintree_customer_method:
+            params['payment_method_token'] = self.braintree_customer_method
+        elif self.braintree_customer:
+            params['customer_id'] = (
+                self.braintree_customer.braintree_customer_id)
+        if self.braintree_device_data:
+            params['device_data'] = self.braintree_device_data
+        return params
+
+    @classmethod
+    @ModelView.button
+    def braintree_do_settle_payment(cls, payments):
+        cls.write(payments, {
+                'braintree_settle_payment': True,
+                })
+        cls.__queue__.braintree_settle_payment_(payments)
+
+    @classmethod
+    def braintree_settle_payment_(cls, payments=None):
+        """Settle braintree payments
+
+        The transaction is committed after each payment settlement."""
+        if payments is None:
+            payments = cls.search([
+                    ('state', '=', 'processing'),
+                    ('journal.process_method', '=', 'braintree'),
+                    ('braintree_transaction_id', '!=', None),
+                    ('braintree_payment_settled', '=', False),
+                    ('braintree_settle_payment', '=', True),
+                    ('company', '=', Transaction().context.get('company')),
+                    ])
+
+        for payment in payments:
+            # Use clear cache after a commit
+            payment = cls(payment.id)
+            if (payment.journal.process_method != 'braintree'
+                    or payment.braintree_payment_settled
+                    or payment.state != 'processing'):
+                continue
+            payment.lock()
+            braintree_account = payment.braintree_account
+            gateway = braintree_account.gateway()
+            try:
+                result = gateway.transaction.submit_for_settlement(
+                    payment.braintree_transaction_id,
+                    payment.amount,
+                    payment._braintree_settlement_parameters())
+            except TooManyRequestsError as e:
+                logger.warning(str(e))
+                continue
+            except BraintreeError as e:
+                payment.braintree_error_message = str(e)
+                payment.save()
+                cls.fail([payment])
+            except Exception:
+                logger.error(
+                    "Error when processing payment %d", payment.id,
+                    exc_info=True)
+                continue
+            else:
+                if result.is_success:
+                    payment.braintree_payment_settled = True
+                    payment.braintree_update(result.transaction)
+                    if (braintree_account.environment == 'sandbox'
+                            and (braintree_account
+                                .sandbox_settle_transaction)):
+                        gateway.testing.settle_transaction(
+                            result.transaction.id)
+                else:
+                    payment.braintree_error_message = result.message
+                    payment.save()
+                    cls.fail([payment])
+            Transaction().commit()
+
+    def _braintree_settlement_parameters(self):
+        return {}
+
+    @classmethod
+    @ModelView.button
+    def braintree_do_pull(cls, payments):
+        cls.braintree_pull(payments)
+
+    @classmethod
+    def braintree_pull(cls, payments=None):
+        "Update payments with braintree transactions"
+        if payments is None:
+            payments = cls.search([
+                    ('state', '=', 'processing'),
+                    ('journal.process_method', '=', 'braintree'),
+                    ('braintree_transaction_id', '!=', None),
+                    ('company', '=', Transaction().context.get('company')),
+                    ])
+
+        for payment in payments:
+            gateway = payment.braintree_account.gateway()
+            try:
+                transaction = gateway.transaction.find(
+                    payment.braintree_transaction_id)
+            except TooManyRequestsError as e:
+                logger.warning(str(e))
+                continue
+            except Exception:
+                logger.error(
+                    "Error when pulling payment %d", payment.id,
+                    exc_info=True)
+                continue
+            else:
+                payment.braintree_update(transaction)
+        cls.save(payments)
+
+    def braintree_update(self, transaction):
+        "Update payment with braintree transaction"
+        if self.state == 'succeeded':
+            self.__class__.proceed([self])
+        gateway = transaction.gateway
+        amount = transaction.amount
+        for id_ in transaction.refund_ids:
+            refund = gateway.transaction.find(id_)
+            if refund.status in SUCCEEDED_STATUSES:
+                amount -= refund.amount
+        for dispute in transaction.disputes:
+            if dispute.status in DISPUTE_FINAL_STATUSES:
+                amount -= dispute.amount_disputed - dispute.amount_won
+        self.amount = amount
+        self.save()
+        if transaction.status in SUCCEEDED_STATUSES:
+            if amount:
+                self.__class__.succeed([self])
+            else:
+                self.__class__.fail([self])
+        elif transaction.status in FAILED_STATUSES:
+            self.__class__.fail([self])
+
+
+class PaymentBraintreeRefund(Workflow, ModelSQL, ModelView):
+    "Braintree Payment Refund"
+    __name__ = 'account.payment.braintree.refund'
+
+    payment = fields.Many2One(
+        'account.payment', "Payment", required=True,
+        domain=[
+            ('process_method', '=', 'braintree'),
+            ('braintree_transaction_id', '!=', None),
+            ],
+        states={
+            'readonly': Eval('state') != 'draft',
+            },
+        depends=['state'])
+    amount = fields.Numeric(
+        "Amount", required=True, digits=(16, Eval('currency_digits', 2)),
+        states={
+            'readonly': Eval('state') != 'draft',
+            },
+        depends=['currency_digits', 'state'])
+
+    state = fields.Selection([
+            ('draft', "Draft"),
+            ('approved', "Approved"),
+            ('processing', "Processing"),
+            ('succeeded', "Succeeded"),
+            ('failed', "Failed"),
+            ], "State", readonly=True)
+
+    braintree_transaction_id = fields.Char(
+        "Braintree Transaction ID", readonly=True)
+
+    braintree_error_message = fields.Text(
+        "Braintree Error Message", readonly=True,
+        states={
+            'invisible': ~Eval('braintree_error_message'),
+            })
+
+    currency_digits = fields.Function(
+        fields.Integer("Currency Digits"), 'on_change_with_currency_digits')
+
+    @classmethod
+    def __setup__(cls):
+        super().__setup__()
+        cls._transitions |= set((
+                ('draft', 'approved'),
+                ('approved', 'processing'),
+                ('processing', 'succeeded'),
+                ('processing', 'failed'),
+                ('approved', 'draft'),
+                ))
+        cls._buttons.update({
+                'draft': {
+                    'invisible': Eval('state') != 'approved',
+                    'icon': 'tryton-back',
+                    'depends': ['state'],
+                    },
+                'approve': {
+                    'invisible': Eval('state') != 'draft',
+                    'icon': 'tryton-forward',
+                    'depends': ['state'],
+                    },
+                })
+
+    @classmethod
+    def default_state(cls):
+        return 'draft'
+
+    @fields.depends('payment', '_parent_payment.currency_digits')
+    def on_change_with_currency_digits(self, name=None):
+        if self.payment:
+            return self.payment.currency_digits
+
+    @classmethod
+    def copy(cls, refunds, default=None):
+        if default is None:
+            default = {}
+        else:
+            default = default.copy()
+        default.setdefault('braintree_transaction_id')
+        default.setdefault('braintree_error_message')
+        return super().copy(refunds, default=default)
+
+    @classmethod
+    @ModelView.button
+    @Workflow.transition('draft')
+    def draft(cls, refunds):
+        pass
+
+    @classmethod
+    @ModelView.button
+    @Workflow.transition('approved')
+    def approve(cls, refunds):
+        pass
+
+    @classmethod
+    @Workflow.transition('processing')
+    def process(cls, refunds):
+        pass
+
+    @classmethod
+    @Workflow.transition('succeeded')
+    def succeed(cls, refunds):
+        pass
+
+    @classmethod
+    @Workflow.transition('failed')
+    def fail(cls, refunds):
+        pass
+
+    @classmethod
+    def braintree_refund(cls, refunds=None):
+        """Refund braintree transaction
+
+        The transaction is committed after each refund."""
+        if refunds is None:
+            refunds = cls.search([('state', '=', 'approved')])
+
+        for refund in refunds:
+            # User clear cache after a commit
+            refund = cls(refund.id)
+            if refund.braintree_transaction_id:
+                continue
+            refund.lock()
+            braintree_account = refund.payment.braintree_account
+            gateway = braintree_account.gateway()
+            try:
+                result = gateway.transaction.refund(
+                    refund.payment.braintree_transaction_id,
+                    refund._refund_parameters())
+            except TooManyRequestsError as e:
+                logger.warning(str(e))
+                continue
+            except BraintreeError as e:
+                refund.braintree_error_message = str(e)
+                refund.save()
+                cls.process([refund])
+                cls.fail([refund])
+            except Exception:
+                logger.error(
+                    "Error when refund %d", refund.id,
+                    exc_info=True)
+                continue
+            else:
+                cls.process([refund])
+                if result.is_success:
+                    refund.braintree_transaction_id = result.transaction.id
+                    refund.braintree_update(result.transaction)
+                    if (braintree_account.environment == 'sandbox'
+                            and (braintree_account
+                                .sandbox_settle_transaction)):
+                        gateway.testing.settle_transaction(
+                            result.transaction.id)
+                else:
+                    refund.braintree_error_message = result.message
+                    refund.save()
+                    cls.fail([refund])
+            Transaction().commit()
+
+    def _refund_parameters(self):
+        return {
+            'amount': self.amount,
+            }
+
+    @classmethod
+    def braintree_pull(cls, refunds=None):
+        "Update refund with braintree transactions"
+        if refunds is None:
+            refunds = cls.search([
+                    ('state', '=', 'processing'),
+                    ('braintree_transaction_id', '!=', None),
+                    ('payment.company',
+                        '=', Transaction().context.get('company')),
+                    ])
+
+        for refund in refunds:
+            gateway = refund.payment.braintree_account.gateway()
+            try:
+                transaction = gateway.transaction.find(
+                    refund.braintree_transaction_id)
+            except TooManyRequestsError as e:
+                logger.warning(str(e))
+                continue
+            except Exception:
+                logger.error(
+                    "Error when pulling refund %d", refund.id,
+                    exc_info=True)
+                continue
+            else:
+                refund.braintree_update(transaction)
+        cls.save(refunds)
+        for refund in refunds:
+            if refund.state in {'succeeded', 'failed'}:
+                payment = refund.payment
+                gateway = payment.braintree_account.gateway()
+                transaction = gateway.transaction.find(
+                    payment.braintree_transaction_id)
+                payment.braintree_update(transaction)
+
+    def braintree_update(self, transaction):
+        "Update refund with braintree transaction"
+        self.amount = transaction.amount
+        self.save()
+        if transaction.status in SUCCEEDED_STATUSES:
+            self.__class__.succeed([self])
+        elif transaction.status in FAILED_STATUSES:
+            self.__class__.fail([self])
+
+
+class PaymentBraintreeAccount(ModelSQL, ModelView):
+    "Braintree Account"
+    __name__ = 'account.payment.braintree.account'
+
+    name = fields.Char("Name", required=True)
+    currency = fields.Many2One('currency.currency', "Currency", required=True)
+    environment = fields.Selection([
+            ('sandbox', "Sandbox"),
+            ('production', "Production"),
+            ], "Environment", required=True)
+    merchant_id = fields.Char("Merchant ID", required=True)
+    public_key = fields.Char("Public Key", required=True)
+    private_key = fields.Char("Private Key", required=True)
+    webhook_identifier = fields.Char("Webhook Identifier", readonly=True)
+    webhook_endpoint = fields.Function(
+        fields.Char(
+            "Webhook Endpoint",
+            help="The URL to be called by Braintree."),
+        'on_change_with_webhook_endpoint')
+    sandbox_settle_transaction = fields.Boolean(
+        "Automatic Settlement",
+        states={
+            'invisible': Eval('environment') != 'sandbox',
+            },
+        depends=['environment'])
+
+    @classmethod
+    def __setup__(cls):
+        super().__setup__()
+        cls._buttons.update({
+                'new_identifier': {
+                    'icon': 'tryton-refresh',
+                    },
+                })
+
+    @classmethod
+    def default_environment(cls):
+        return 'sandbox'
+
+    @classmethod
+    def default_sandbox_settle_transaction(cls):
+        return False
+
+    @fields.depends('webhook_identifier')
+    def on_change_with_webhook_endpoint(self, name=None):
+        if not self.webhook_identifier:
+            return
+        url_part = {
+            'identifier': self.webhook_identifier,
+            'database_name': Transaction().database.name,
+            }
+        return http_host() + (
+            urllib.parse.quote(
+                '/%(database_name)s/account_payment_braintree'
+                '/webhook/%(identifier)s' % url_part))
+
+    @property
+    def configuration(self):
+        return braintree.Configuration(
+            environment=braintree.Environment.All[self.environment],
+            merchant_id=self.merchant_id,
+            public_key=self.public_key,
+            private_key=self.private_key,
+            )
+
+    def gateway(self):
+        return braintree.BraintreeGateway(self.configuration)
+
+    @classmethod
+    @ModelView.button
+    def new_identifier(cls, accounts):
+        for account in accounts:
+            if account.webhook_identifier:
+                account.webhook_identifier = None
+            else:
+                account.webhook_identifier = uuid.uuid4().hex
+        cls.save(accounts)
+
+    def webhook(self, notification):
+        """Handles Braintree webhook notification
+
+        The return values must be:
+            - None if the method could not handle the notification kind
+            - True if the notification has been handled
+            - False if the notification should be retried by Braintree
+        """
+        if notification.kind in {
+                braintree.WebhookNotification.Kind.DisputeOpened,
+                braintree.WebhookNotification.Kind.DisputeLost,
+                braintree.WebhookNotification.Kind.DisputeWon,
+                braintree.WebhookNotification.Kind.DisputeAccepted,
+                braintree.WebhookNotification.Kind.DisputeExpired,
+                braintree.WebhookNotification.Kind.DisputeDisputed}:
+            return self.webhook_dispute(notification.dispute)
+        elif notification.kind in {
+                braintree.WebhookNotification.Kind.
+                TransactionSettlementDeclined,
+                braintree.WebhookNotification.Kind.TransactionSettled}:
+            return self.webhook_transaction(notification.transaction)
+        return None
+
+    def webhook_dispute(self, dispute):
+        pool = Pool()
+        Payment = pool.get('account.payment')
+
+        payments = Payment.search([
+                ('braintree_transaction_id', '=', dispute.transaction.id),
+                ])
+        if not payments:
+            logger.error(
+                "webhook dispute: No payment '%s'", dispute.transaction.id)
+        for payment in payments:
+            # TODO remove when https://bugs.tryton.org/issue4080
+            with Transaction().set_context(company=payment.company.id):
+                payment = Payment(payment.id)
+                payment.braintree_dispute_reason = dispute.reason
+                payment.braintree_dispute_status = dispute.status
+                payment.save()
+                gateway = payment.braintree_account.gateway()
+                transaction = gateway.transaction.find(
+                    payment.braintree_transaction_id)
+                payment.braintree_update(transaction)
+        return bool(payments)
+
+    def webhook_transaction(self, transaction):
+        pool = Pool()
+        Payment = pool.get('account.payment')
+
+        payments = Payment.search([
+                ('braintree_transaction_id', '=', transaction.id),
+                ])
+        if not payments:
+            logger.error(
+                "webhook transaction: No payment '%s'", transaction.id)
+        for payment in payments:
+            # TODO remove when https://bugs.tryton.org/issue4080
+            with Transaction().set_context(company=payment.company.id):
+                payment = Payment(payment.id)
+                payment.braintree_update(transaction)
+        return bool(payments)
+
+
+class PaymentBraintreeCustomer(
+        CheckoutMixin, DeactivableMixin, ModelSQL, ModelView):
+    "Braintree Customer"
+    __name__ = 'account.payment.braintree.customer'
+    _history = True
+    party = fields.Many2One(
+        'party.party', "Party", required=True, select=True,
+        states={
+            'readonly': (
+                Eval('braintree_customer_id') | Eval('braintree_nonce')),
+            },
+        depends=['braintree_customer_id', 'braintree_nonce'])
+    braintree_account = fields.Many2One(
+        'account.payment.braintree.account', "Account", required=True,
+        states={
+            'readonly': (
+                Eval('braintree_customer_id') | Eval('braintree_nonce')),
+            },
+        depends=['braintree_customer_id', 'braintree_nonce'])
+    braintree_customer_id = fields.Char(
+        "Braintree Customer ID",
+        states={
+            'readonly': Eval('braintree_customer_id') & (Eval('id', -1) >= 0),
+            })
+    braintree_error_message = fields.Text(
+        "Braintree Error Message", readonly=True,
+        states={
+            'invisible': ~Eval('braintree_error_message'),
+            })
+
+    _payment_methods_cache = Cache(
+        'account_payment_braintree_customer.payment_methods',
+        duration=config.getint(
+            'account_payment_braintree', 'payment_methods_cache',
+            default=15 * 60))
+
+    @classmethod
+    def __setup__(cls):
+        super().__setup__()
+        cls._buttons.update({
+                'braintree_checkout': {
+                    'invisible': Bool(Eval('braintree_nonce')),
+                    'depends': ['braintree_nonce'],
+                    },
+                'delete_payment_method': {
+                    'invisible': ~Eval('braintree_customer_id'),
+                    'depends': ['braintree_customer_id'],
+                    },
+                })
+
+    def get_rec_name(self, name):
+        name = super().get_rec_name(name)
+        return (
+            self.braintree_customer_id if self.braintree_customer_id else name)
+
+    @classmethod
+    def delete(cls, customers):
+        cls.write(customers, {
+                'active': False,
+                })
+
+    @classmethod
+    def copy(cls, customers, default=None):
+        if default is None:
+            default = {}
+        else:
+            default = default.copy()
+        default.setdefault('braintree_customer_id', None)
+        return super().copy(customers, default=default)
+
+    @classmethod
+    def braintree_checkout(cls, customers):
+        for customer in customers:
+            if customer.braintree_client_token:
+                continue
+            gateway = customer.braintree_account.gateway()
+            client_token = gateway.client_token.generate(
+                customer._client_token_parameters())
+            customer.braintree_client_token = client_token
+        return super().braintree_checkout(customers)
+
+    def _client_token_parameters(self):
+        params = {}
+        if self.braintree_customer_id:
+            params['customer_id'] = self.braintree_customer_id
+        return params
+
+    def braintree_set_nonce(self, nonce, device_data=None):
+        super().braintree_set_nonce(nonce, device_data=device_data)
+        self.braintree_create(customers=[self])
+
+    @classmethod
+    def braintree_create(cls, customers=None):
+        """Creates braintree customers
+
+        The transaction is committed after each customer."""
+        if not customers:
+            customers = cls.search([
+                    ('braintree_nonce', '!=', None),
+                    ])
+        for customer in customers:
+            # Use clear cache after commit
+            customer = cls(customer.id)
+            if not customer.braintree_nonce:
+                continue
+            customer.lock()
+            gateway = customer.braintree_account.gateway()
+            try:
+                if not customer.braintree_customer_id:
+                    result = gateway.customer.create({
+                            'email': customer.party.email,
+                            'phone': customer.party.phone,
+                            'payment_method_nonce': customer.braintree_nonce,
+                            })
+                else:
+                    result = gateway.payment_method.create({
+                            'customer_id': customer.braintree_customer_id,
+                            'payment_method_nonce': customer.braintree_nonce,
+                            })
+            except TooManyRequestsError as e:
+                logger.warning(str(e))
+                continue
+            except BraintreeError as e:
+                customer.braintree_error_message = str(e)
+            except Exception:
+                logger.error(
+                    "Error when creating customer %d", customer.id,
+                    exc_info=True)
+                continue
+            else:
+                if result.is_success:
+                    if not customer.braintree_customer_id:
+                        customer.braintree_customer_id = result.customer.id
+                    customer.braintree_error_message = None
+                else:
+                    customer.braintree_error_message = result.message
+            customer.braintree_client_token = None
+            customer.braintree_nonce = None
+            customer.save()
+            cls._payment_methods_cache.clear()
+            Transaction().commit()
+
+    @classmethod
+    def braintree_delete(cls, customers=None):
+        """Deletes braintree customers
+
+        The transaction is committed after each customer."""
+        if not customers:
+            customers = cls.search([
+                    ('active', '=', False),
+                    ('braintree_customer_id', '!=', None),
+                    ])
+        for customer in customers:
+            # Use clear cache after commit
+            customer = cls(customer.id)
+            assert not customer.active
+            customer.lock()
+            gateway = customer.braintree_account.gateway()
+            try:
+                result = gateway.customer.delete(
+                    customer.braintree_customer_id)
+            except TooManyRequestsError as e:
+                logger.warning(str(e))
+                continue
+            except Exception:
+                logger.error(
+                    "Error when deleting customer %d", customer.id,
+                    exc_info=True)
+                continue
+            if result.is_success:
+                customer.braintree_customer_id = None
+            customer.save()
+            Transaction().commit()
+
+    def find(self):
+        if not self.braintree_customer_id:
+            return
+        gateway = self.braintree_account.gateway()
+        try:
+            return gateway.customer.find(self.braintree_customer_id)
+        except (TooManyRequestsError,
+                GatewayTimeoutError) as e:
+            logger.warning(str(e))
+
+    def payment_methods(self):
+        methods = self._payment_methods_cache.get(self.id)
+        if methods is not None:
+            return methods
+        methods = []
+        customer = self.find()
+        if customer:
+            for payment_method in customer.payment_methods:
+                name = self._payment_method_name(payment_method)
+                methods.append((payment_method.token, name))
+            self._payment_methods_cache.set(self.id, methods)
+        return methods
+
+    def _payment_method_name(cls, payment_method):
+        name = payment_method.token
+        if hasattr(payment_method, 'card_type'):
+            name = payment_method.card_type
+            if payment_method.last_4:
+                name += ' ****' + payment_method.last_4
+            if (payment_method.expiration_month
+                    and payment_method.expiration_year):
+                name += ' %s/%s' % (
+                    payment_method.expiration_month,
+                    payment_method.expiration_year)
+        elif isinstance(payment_method, braintree.PayPalAccount):
+            name = "Paypal %s" % payment_method.email
+        elif isinstance(payment_method, braintree.VenmoAccount):
+            name = "Venmo %s" % payment_method.source_description
+        elif isinstance(payment_method, braintree.UsBankAccount):
+            name = "****" + payment_method.last_4
+        return name
+
+    @classmethod
+    @ModelView.button_action(
+        'account_payment_braintree.wizard_customer_payment_method_delete')
+    def delete_payment_method(cls, customers):
+        pass
+
+    def delete_payment_method_(self, payment_method):
+        gateway = self.braintree_account.gateway()
+        try:
+            result = gateway.payment_method.delete(payment_method)
+        except (TooManyRequestsError,
+                GatewayTimeoutError) as e:
+            logger.warning(str(e))
+        else:
+            if not result.is_success:
+                logger.error(result.message)
+        self._payment_methods_cache.clear()
+
+
+class PaymentBraintreeCustomerPaymentMethodDelete(Wizard):
+    "Delete Customer Payment Method"
+    __name__ = 'account.payment.braintree.customer.payment_method.delete'
+    start_state = 'ask'
+    ask = StateView(
+        'account.payment.braintree.customer.payment_method.delete.ask',
+        'account_payment_braintree.'
+        'customer_payment_method_delete_ask_view_form', [
+            Button("Cancel", 'end', 'tryton-cancel'),
+            Button("Delete", 'delete_', 'tryton-ok', default=True),
+            ])
+    delete_ = StateTransition()
+
+    def default_ask(self, fields):
+        default = {}
+        if 'customer' in fields:
+            default['customer'] = self.record.id
+        return default
+
+    def transition_delete_(self):
+        self.record.delete_payment_method_(self.ask.payment_method)
+        return 'end'
+
+
+class PaymentBraintreeCustomerPaymentMethodDeleteAsk(ModelView):
+    "Delete Customer Payment Method"
+    __name__ = 'account.payment.braintree.customer.payment_method.delete.ask'
+
+    customer = fields.Many2One(
+        'account.payment.braintree.customer', "Customer", readonly=True)
+    payment_method = fields.Selection(
+        'get_payment_methods', "Payment Method", required=True)
+
+    @fields.depends('customer')
+    def get_payment_methods(self):
+        methods = [('', '')]
+        if self.customer:
+            methods.extend(self.customer.payment_methods())
+        return methods
+
+
+class PaymentBraintreeCheckout(Wizard):
+    "Braintree Checkout"
+    __name__ = 'account.payment.braintree.checkout'
+    start_state = 'checkout'
+    checkout = StateAction('account_payment_braintree.url_checkout')
+
+    def do_checkout(self, action):
+        action['url'] = self.record.braintree_checkout_url
+        return action, {}
+
+
+class PaymentBraintreeCheckoutPage(Report):
+    "Braintree Checkout"
+    __name__ = 'account.payment.braintree.checkout'
diff -r 000000000000 -r 91ba99507adb account.xml
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/account.xml       Thu Oct 08 22:23:33 2020 +0200
@@ -0,0 +1,383 @@
+<?xml version="1.0"?>
+<!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
+this repository contains the full copyright notices and license terms. -->
+<tryton>
+    <data>
+        <record model="ir.ui.view" id="payment_journal_view_form">
+            <field name="model">account.payment.journal</field>
+            <field name="inherit" 
ref="account_payment.payment_journal_view_form"/>
+            <field name="name">payment_journal_form</field>
+        </record>
+
+        <record model="ir.ui.view" id="account_view_form">
+            <field name="model">account.payment.braintree.account</field>
+            <field name="type">form</field>
+            <field name="name">account_form</field>
+        </record>
+
+        <record model="ir.ui.view" id="account_view_list">
+            <field name="model">account.payment.braintree.account</field>
+            <field name="type">tree</field>
+            <field name="name">account_list</field>
+        </record>
+
+        <record model="ir.action.act_window" id="act_account_form">
+            <field name="name">Braintree Accounts</field>
+            <field name="res_model">account.payment.braintree.account</field>
+        </record>
+        <record model="ir.action.act_window.view" id="act_account_form_view1">
+            <field name="sequence" eval="10"/>
+            <field name="view" ref="account_view_list"/>
+            <field name="act_window" ref="act_account_form"/>
+        </record>
+        <record model="ir.action.act_window.view" id="act_account_form_view2">
+            <field name="sequence" eval="20"/>
+            <field name="view" ref="account_view_form"/>
+            <field name="act_window" ref="act_account_form"/>
+        </record>
+        <menuitem
+            parent="account_payment.menu_payment_configuration"
+            sequence="20"
+            action="act_account_form"
+            id="menu_account_form"/>
+
+        <record model="ir.model.button" id="account_new_identifier_button">
+            <field name="name">new_identifier</field>
+            <field name="string">New URL</field>
+            <field name="confirm">This action will make the previous URL 
unusable. Do you want to continue?</field>
+            <field name="model" search="[('model', '=', 
'account.payment.braintree.account')]"/>
+        </record>
+
+        <record model="ir.model.access" id="access_account">
+            <field name="model" search="[('model', '=', 
'account.payment.braintree.account')]"/>
+            <field name="perm_read" eval="False"/>
+            <field name="perm_write" eval="False"/>
+            <field name="perm_create" eval="False"/>
+            <field name="perm_delete" eval="False"/>
+        </record>
+        <record model="ir.model.access" id="access_account_account_admin">
+            <field name="model" search="[('model', '=', 
'account.payment.braintree.account')]"/>
+            <field name="group" ref="account.group_account_admin"/>
+            <field name="perm_read" eval="True"/>
+            <field name="perm_write" eval="True"/>
+            <field name="perm_create" eval="True"/>
+            <field name="perm_delete" eval="True"/>
+        </record>
+        <record model="ir.model.access" id="access_account_payment">
+            <field name="model" search="[('model', '=', 
'account.payment.braintree.account')]"/>
+            <field name="group" ref="account_payment.group_payment"/>
+            <field name="perm_read" eval="True"/>
+            <field name="perm_write" eval="False"/>
+            <field name="perm_create" eval="False"/>
+            <field name="perm_delete" eval="False"/>
+        </record>
+
+        <record model="ir.model.field.access" id="access_account_private_key">
+            <field name="field" search="[('name', '=', 'private_key'), 
('model.model', '=', 'account.payment.braintree.account')]"/>
+            <field name="perm_read" eval="False"/>
+            <field name="perm_write" eval="False"/>
+            <field name="perm_create" eval="False"/>
+            <field name="perm_delete" eval="False"/>
+        </record>
+
+        <record model="ir.model.field.access" 
id="access_account_private_key_account_admin">
+            <field name="field" search="[('name', '=', 'private_key'), 
('model.model', '=', 'account.payment.braintree.account')]"/>
+            <field name="group" ref="account.group_account_admin"/>
+            <field name="perm_read" eval="True"/>
+            <field name="perm_write" eval="True"/>
+            <field name="perm_create" eval="True"/>
+            <field name="perm_delete" eval="True"/>
+        </record>
+
+        <record model="ir.ui.view" id="payment_view_form">
+            <field name="model">account.payment</field>
+            <field name="inherit" ref="account_payment.payment_view_form"/>
+            <field name="name">payment_form</field>
+        </record>
+
+        <record model="ir.ui.view" id="payment_view_list">
+            <field name="model">account.payment</field>
+            <field name="inherit" ref="account_payment.payment_view_list"/>
+            <field name="name">payment_list</field>
+        </record>
+
+        <record model="ir.model.button" id="payment_braintree_checkout_button">
+            <field name="name">braintree_checkout</field>
+            <field name="string">Braintree Checkout</field>
+            <field name="model" search="[('model', '=', 'account.payment')]"/>
+        </record>
+
+        <record model="ir.model.button" 
id="payment_braintree_settle_payment_button">
+            <field name="name">braintree_do_settle_payment</field>
+            <field name="string">Braintree Settle Payment</field>
+            <field name="model" search="[('model', '=', 'account.payment')]"/>
+        </record>
+
+        <record model="ir.model.button" id="payment_braintree_pull_button">
+            <field name="name">braintree_do_pull</field>
+            <field name="string">Braintree Pull</field>
+            <field name="model" search="[('model', '=', 'account.payment')]"/>
+        </record>
+
+        <record model="ir.cron" id="cron_transact_payment">
+            <field name="method">account.payment|braintree_transact</field>
+            <field name="interval_number" eval="15"/>
+            <field name="interval_type">minutes</field>
+        </record>
+
+        <record model="ir.cron" id="cron_pull_payment">
+            <field name="method">account.payment|braintree_pull</field>
+            <field name="interval_number" eval="15"/>
+            <field name="interval_type">minutes</field>
+        </record>
+
+        <record model="ir.ui.view" id="refund_view_form">
+            <field name="model">account.payment.braintree.refund</field>
+            <field name="type">form</field>
+            <field name="name">refund_form</field>
+        </record>
+        <record model="ir.ui.view" id="refund_view_list">
+            <field name="model">account.payment.braintree.refund</field>
+            <field name="type">tree</field>
+            <field name="name">refund_list</field>
+        </record>
+
+        <record model="ir.action.act_window" id="act_refund_form">
+            <field name="name">Braintree Refunds</field>
+            <field name="res_model">account.payment.braintree.refund</field>
+        </record>
+        <record model="ir.action.act_window.view" id="act_refund_form_view1">
+            <field name="sequence" eval="10"/>
+            <field name="view" ref="refund_view_list"/>
+            <field name="act_window" ref="act_refund_form"/>
+        </record>
+        <record model="ir.action.act_window.view" id="act_refund_form_view2">
+            <field name="sequence" eval="20"/>
+            <field name="view" ref="refund_view_form"/>
+            <field name="act_window" ref="act_refund_form"/>
+        </record>
+        <record model="ir.action.act_window.domain" 
id="act_refund_form_domain_draft">
+            <field name="name">Draft</field>
+            <field name="sequence" eval="10"/>
+            <field name="domain" eval="[('state', '=', 'draft')]" pyson="1"/>
+            <field name="count" eval="True"/>
+            <field name="act_window" ref="act_refund_form"/>
+        </record>
+        <record model="ir.action.act_window.domain" 
id="act_refund_form_domain_approved">
+            <field name="name">Approved</field>
+            <field name="sequence" eval="20"/>
+            <field name="domain" eval="[('state', '=', 'approved')]" 
pyson="1"/>
+            <field name="count" eval="True"/>
+            <field name="act_window" ref="act_refund_form"/>
+        </record>
+        <record model="ir.action.act_window.domain" 
id="act_refund_form_domain_processing">
+            <field name="name">Processing</field>
+            <field name="sequence" eval="30"/>
+            <field name="domain" eval="[('state', '=', 'processing')]" 
pyson="1"/>
+            <field name="count" eval="True"/>
+            <field name="act_window" ref="act_refund_form"/>
+        </record>
+        <record model="ir.action.act_window.domain" 
id="act_refund_form_domain_suceeded">
+            <field name="name">Succeeded</field>
+            <field name="sequence" eval="40"/>
+            <field name="domain" eval="[('state', '=', 'succeeded')]" 
pyson="1"/>
+            <field name="act_window" ref="act_refund_form"/>
+        </record>
+        <record model="ir.action.act_window.domain" 
id="act_refund_form_domain_failed">
+            <field name="name">Failed</field>
+            <field name="sequence" eval="50"/>
+            <field name="domain" eval="[('state', '=', 'failed')]" pyson="1"/>
+            <field name="act_window" ref="act_refund_form"/>
+        </record>
+        <record model="ir.action.act_window.domain" 
id="act_refund_form_domain_all">
+            <field name="name">All</field>
+            <field name="sequence" eval="9999"/>
+            <field name="domain"></field>
+            <field name="act_window" ref="act_refund_form"/>
+        </record>
+
+        <menuitem
+            parent="account_payment.menu_payments"
+            sequence="40"
+            action="act_refund_form"
+            id="menu_refund_form"/>
+
+        <record model="ir.rule.group" id="rule_group_refund">
+            <field name="name">User in company</field>
+            <field name="model" search="[('model', '=', 
'account.payment.braintree.refund')]"/>
+            <field name="global_p" eval="True"/>
+        </record>
+        <record model="ir.rule" id="rule_refund1">
+            <field
+                name="domain"
+                eval="[('payment.company', '=', Eval('user', 
{}).get('company', None))]"
+                pyson="1"/>
+            <field name="rule_group" ref="rule_group_refund"/>
+        </record>
+
+        <record model="ir.model.access" id="access_refund">
+            <field name="model" search="[('model', '=', 
'account.payment.braintree.refund')]"/>
+            <field name="perm_read" eval="False"/>
+            <field name="perm_write" eval="False"/>
+            <field name="perm_create" eval="False"/>
+            <field name="perm_delete" eval="False"/>
+        </record>
+        <record model="ir.model.access" id="access_refund_account_admin">
+            <field name="model" search="[('model', '=', 
'account.payment.braintree.refund')]"/>
+            <field name="group" ref="account.group_account_admin"/>
+            <field name="perm_read" eval="True"/>
+            <field name="perm_write" eval="True"/>
+            <field name="perm_create" eval="True"/>
+            <field name="perm_delete" eval="True"/>
+        </record>
+        <record model="ir.model.access" id="access_refund_payment">
+            <field name="model" search="[('model', '=', 
'account.payment.braintree.refund')]"/>
+            <field name="group" ref="account_payment.group_payment"/>
+            <field name="perm_read" eval="True"/>
+            <field name="perm_write" eval="True"/>
+            <field name="perm_create" eval="True"/>
+            <field name="perm_delete" eval="True"/>
+        </record>
+        <record model="ir.model.access" id="access_refund_payment_approval">
+            <field name="model" search="[('model', '=', 
'account.payment.braintree.refund')]"/>
+            <field name="group" ref="account_payment.group_payment_approval"/>
+            <field name="perm_read" eval="True"/>
+            <field name="perm_write" eval="False"/>
+            <field name="perm_create" eval="False"/>
+            <field name="perm_delete" eval="False"/>
+        </record>
+
+        <record model="ir.model.button" id="refund_draft_button">
+            <field name="name">draft</field>
+            <field name="string">Draft</field>
+            <field name="model" search="[('model', '=', 
'account.payment.braintree.refund')]"/>
+        </record>
+        <record model="ir.model.button-res.group" 
id="refund_draft_button_group_payment">
+            <field name="button" ref="refund_draft_button"/>
+            <field name="group" ref="account_payment.group_payment"/>
+        </record>
+
+        <record model="ir.model.button" id="refund_approve_button">
+            <field name="name">approve</field>
+            <field name="string">Approve</field>
+            <field name="model" search="[('model', '=', 
'account.payment.braintree.refund')]"/>
+        </record>
+        <record model="ir.model.button-res.group" 
id="refund_approve_button_group_payment_approval">
+            <field name="button" ref="refund_approve_button"/>
+            <field name="group" ref="account_payment.group_payment_approval"/>
+        </record>
+
+        <record model="ir.cron" id="cron_refund">
+            <field 
name="method">account.payment.braintree.refund|braintree_refund</field>
+            <field name="interval_number" eval="15"/>
+            <field name="interval_type">minutes</field>
+        </record>
+
+        <record model="ir.cron" id="cron_pull_refund">
+            <field 
name="method">account.payment.braintree.refund|braintree_pull</field>
+            <field name="interval_number" eval="15"/>
+            <field name="interval_type">minutes</field>
+        </record>
+
+        <record model="ir.ui.view" id="customer_view_form">
+            <field name="model">account.payment.braintree.customer</field>
+            <field name="type">form</field>
+            <field name="name">customer_form</field>
+        </record>
+
+        <record model="ir.ui.view" id="customer_view_list">
+            <field name="model">account.payment.braintree.customer</field>
+            <field name="type">tree</field>
+            <field name="name">customer_list</field>
+        </record>
+
+        <record model="ir.action.act_window" id="act_customer_form">
+            <field name="name">Braintree Customers</field>
+            <field name="res_model">account.payment.braintree.customer</field>
+        </record>
+        <record model="ir.action.act_window.view" id="act_customer_form_view1">
+            <field name="sequence" eval="10"/>
+            <field name="view" ref="customer_view_list"/>
+            <field name="act_window" ref="act_customer_form"/>
+        </record>
+        <record model="ir.action.act_window.view" id="act_customer_form_view2">
+            <field name="sequence" eval="20"/>
+            <field name="view" ref="customer_view_form"/>
+            <field name="act_window" ref="act_customer_form"/>
+        </record>
+        <menuitem
+            parent="account_payment.menu_payments"
+            sequence="40"
+            action="act_customer_form"
+            id="menu_customer_form"/>
+
+        <record model="ir.model.access" id="access_customer">
+            <field name="model" search="[('model', '=', 
'account.payment.braintree.customer')]"/>
+            <field name="perm_read" eval="False"/>
+            <field name="perm_write" eval="False"/>
+            <field name="perm_create" eval="False"/>
+            <field name="perm_delete" eval="False"/>
+        </record>
+        <record model="ir.model.access" id="access_customer_payment">
+            <field name="model" search="[('model', '=', 
'account.payment.braintree.customer')]"/>
+            <field name="group" ref="account_payment.group_payment"/>
+            <field name="perm_read" eval="True"/>
+            <field name="perm_write" eval="True"/>
+            <field name="perm_create" eval="True"/>
+            <field name="perm_delete" eval="True"/>
+        </record>
+        <record model="ir.model.button" 
id="customer_braintree_checkout_button">
+            <field name="name">braintree_checkout</field>
+            <field name="string">Add Card</field>
+            <field name="model" search="[('model', '=', 
'account.payment.braintree.customer')]"/>
+        </record>
+
+        <record model="ir.cron" id="cron_create_customer">
+            <field 
name="method">account.payment.braintree.customer|braintree_create</field>
+            <field name="interval_number" eval="1"/>
+            <field name="interval_type">hours</field>
+        </record>
+
+        <record model="ir.cron" id="cron_delete_customer">
+            <field 
name="method">account.payment.braintree.customer|braintree_delete</field>
+            <field name="interval_number" eval="1"/>
+            <field name="interval_type">hours</field>
+        </record>
+
+        <record model="ir.model.button" 
id="customer_payment_method_delete_button">
+            <field name="name">delete_payment_method</field>
+            <field name="string">Delete Payment Method</field>
+            <field name="model" search="[('model', '=', 
'account.payment.braintree.customer')]"/>
+        </record>
+
+        <record model="ir.action.wizard" 
id="wizard_customer_payment_method_delete">
+            <field name="name">Delete Payment Method</field>
+            <field 
name="wiz_name">account.payment.braintree.customer.payment_method.delete</field>
+            <field name="model">account.payment.braintree.customer</field>
+        </record>
+
+        <record model="ir.ui.view" 
id="customer_payment_method_delete_ask_view_form">
+            <field 
name="model">account.payment.braintree.customer.payment_method.delete.ask</field>
+            <field name="type">form</field>
+            <field name="name">customer_payment_method_delete_ask_form</field>
+        </record>
+
+        <record model="ir.action.wizard" id="wizard_checkout">
+            <field name="name">Braintree Checkout</field>
+            <field name="wiz_name">account.payment.braintree.checkout</field>
+        </record>
+
+        <record model="ir.action.url" id="url_checkout">
+            <field name="name">Braintree Checkout</field>
+            <field 
name="url">%(http_host)s/%(database)s/account_payment_braintree/checkout/%(model)s/%(id)s</field>
+        </record>
+
+        <record model="ir.action.report" id="report_checkout">
+            <field name="name">Braintree Checkout</field>
+            <field name="model"></field>
+            <field 
name="report_name">account.payment.braintree.checkout</field>
+            <field 
name="report">account_payment_braintree/checkout.html</field>
+            <field name="template_extension">html</field>
+        </record>
+    </data>
+</tryton>
diff -r 000000000000 -r 91ba99507adb checkout.html
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/checkout.html     Thu Oct 08 22:23:33 2020 +0200
@@ -0,0 +1,51 @@
+<!DOCTYPE html>
+<html xmlns:py="http://genshi.edgewall.org/";>
+    <head>
+        <meta charset="utf-8"/>
+        <meta name="viewport" content="width=device-width, initial-scale=1"/>
+        <title>Braintree Checkout</title>
+        <style>
+            h1 {
+                text-align: center;
+            }
+            button {
+                background-color: #337ab7;
+                border-radius: 4px;
+                border: 1px solid #2e6da4;
+                color: #fff;
+                display: block;
+                font-size:2em;
+                margin: 0 auto;
+                padding: 0.5em 1em;
+            }
+            .wrapper {
+                width: 670px;
+                margin: 0 auto;
+                height: 100%;
+            }
+        </style>
+    </head>
+    <body>
+        <py:for each="record in records[:1]">
+        <h1>${record.party.rec_name}</h1>
+        <div class="wrapper">
+            <form method="POST" id="form">
+                <script
+                    
src="https://js.braintreegateway.com/web/dropin/1.23.0/js/dropin.min.js";
+                    
data-braintree-dropin-authorization="${data['client_token']}">
+                </script>
+                <button type="submit">
+                    <py:choose test="data['model']">
+                    <py:when test="'account.payment'">
+                    Pay ${record.currency.symbol}${record.amount}
+                    </py:when>
+                    <py:when test="'account.payment.braintree.customer'">
+                    Register card
+                    </py:when>
+                    </py:choose>
+                </button>
+            </form>
+        </div>
+        </py:for>
+    </body>
+</html>
diff -r 000000000000 -r 91ba99507adb doc/index.rst
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/doc/index.rst     Thu Oct 08 22:23:33 2020 +0200
@@ -0,0 +1,67 @@
+Account Payment Braintree Module
+################################
+
+The account_payment_braintree module allows receipt of payments using
+`Braintree`_.
+It uses the `Drop-in UI`_ in a checkout form to handle the `payment method
+nonce`_ for card and other supported payment methods.
+
+.. _`Braintree`: https://www.braintreepayments.com/
+.. _`Drop-in UI`: 
https://developers.braintreepayments.com/guides/drop-in/overview/javascript/v3
+.. _`payment method nonce`: 
https://developers.braintreepayments.com/guides/payment-method-nonces
+
+Account
+*******
+
+The Account stores the information about the Braintree account like the
+merchant ID, the public and secret keys etc.
+
+The account's webhook endpoint is the URL used by Braintree's webhooks_.
+If no webhook is setup, disputes will not update existing payments.
+
+.. _webhooks: https://developers.braintreepayments.com/guides/webhooks/overview
+
+Customer
+********
+
+The Customer allows parties to be registered as Braintree customers.
+The checkout/add card button opens the Braintree Drop-in UI form.
+
+A scheduled task runs every hour to create new customers on Braintree and
+another to delete them if they have become inactive.
+
+Journal
+*******
+
+The journal has a new field to store the Braintree account if the process
+method is set to "Braintree".
+
+Payment
+*******
+
+The payment also has a checkout button which opens the Braintree Drop-in UI
+form.
+A payment can be processed using a nonce or a `payment method`_ from the
+customer.
+In case of an error, a new field displays the error message from Braintree.
+The settle field can be unchecked to only authorize on processing and settle
+the amount in a second step.
+
+Two scheduled tasks run every 15 minutes to transact and settle each processing
+payment.
+Another scheduled task also runs every 15 minutes to pull updates for each
+processing payment until they have succeeded or failed.
+
+The Braintree payments have a pull button which can be used to force an update
+with the braintree transaction.
+
+.. _payment method: 
https://developers.braintreepayments.com/guides/payment-methods
+
+Configuration
+*************
+
+The account_payment_braintree module uses the section
+`account_payment_braintree` to retrieve some parameters:
+
+- `payment_methods_cache`: defines the duration in seconds that payment methods
+  are kept in the cache. The default value is `15 * 60`.
diff -r 000000000000 -r 91ba99507adb ir.py
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/ir.py     Thu Oct 08 22:23:33 2020 +0200
@@ -0,0 +1,25 @@
+# This file is part of Tryton.  The COPYRIGHT file at the top level of
+# this repository contains the full copyright notices and license terms.
+from trytond.pool import PoolMeta
+
+
+class Cron(metaclass=PoolMeta):
+    __name__ = 'ir.cron'
+
+    @classmethod
+    def __setup__(cls):
+        super().__setup__()
+        cls.method.selection.extend([
+                ('account.payment.braintree.customer|braintree_create',
+                    "Create Braintree Customer"),
+                ('account.payment.braintree.customer|braintree_delete',
+                    "Delete Braintree Customer"),
+                ('account.payment|braintree_transact',
+                    "Transact Braintree Payment"),
+                ('account.payment|braintree_pull',
+                    "Pull Braintree Payment"),
+                ('account.payment.braintree.refund|braintree_refund',
+                    "Refund Braintree Payment"),
+                ('account.payment.braintree.refund|braintree_pull',
+                    "Pull Braintree Refund"),
+                ])
diff -r 000000000000 -r 91ba99507adb message.xml
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/message.xml       Thu Oct 08 22:23:33 2020 +0200
@@ -0,0 +1,13 @@
+<?xml version="1.0"?>
+<!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
+this repository contains the full copyright notices and license terms. -->
+<tryton>
+    <data grouped="1">
+        <record model="ir.message" id="msg_no_braintree_nonce">
+            <field name="text">To process payment "%(payment)s" you must set a 
Braintree nonce or customer.</field>
+        </record>
+        <record model="ir.message" id="msg_braintree_receivable">
+            <field name="text">To pay "%(payment)s", you cannot use a 
Braintree journal "%(journal)s".</field>
+        </record>
+    </data>
+</tryton>
diff -r 000000000000 -r 91ba99507adb party.py
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/party.py  Thu Oct 08 22:23:33 2020 +0200
@@ -0,0 +1,21 @@
+# This file is part of Tryton.  The COPYRIGHT file at the top level of
+# this repository contains the full copyright notices and license terms.
+from trytond.pool import PoolMeta
+from trytond.model import fields
+
+
+class Party(metaclass=PoolMeta):
+    __name__ = 'party.party'
+
+    braintree_customers = fields.One2Many(
+        'account.payment.braintree.customer', 'party', "Braintree Customers")
+
+
+class Replace(metaclass=PoolMeta):
+    __name__ = 'party.replace'
+
+    @classmethod
+    def fields_to_replace(cls):
+        return super().fields_to_replace() + [
+            ('account.payment.braintree.customer', 'party'),
+            ]
diff -r 000000000000 -r 91ba99507adb routes.py
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/routes.py Thu Oct 08 22:23:33 2020 +0200
@@ -0,0 +1,83 @@
+# This file is part of Tryton.  The COPYRIGHT file at the top level of
+# this repository contains the full copyright notices and license terms.
+import http.client
+import logging
+try:
+    from http import HTTPStatus
+except ImportError:
+    from http import client as HTTPStatus
+
+import braintree
+from werkzeug.exceptions import abort
+from werkzeug.wrappers import Response
+
+from trytond.protocols.wrappers import with_pool, with_transaction
+from trytond.wsgi import app
+
+logger = logging.getLogger(__name__)
+
+
[email protected](
+    '/<database_name>/account_payment_braintree/checkout/<model>/<id>',
+    methods=['GET', 'POST'])
+@with_pool
+@with_transaction()
+def checkout(request, pool, model, id):
+    Payment = pool.get('account.payment')
+    Customer = pool.get('account.payment.braintree.customer')
+    if model == Payment.__name__:
+        Model = Payment
+    elif model == Customer.__name__:
+        Model = Customer
+    else:
+        abort(HTTPStatus.FORBIDDEN)
+    try:
+        record, = Model.search([
+                ('braintree_checkout_id', '=', id),
+                ])
+    except ValueError:
+        abort(HTTPStatus.FORBIDDEN)
+    if request.method == 'GET':
+        Report = pool.get('account.payment.braintree.checkout', type='report')
+        # TODO language
+        data = {
+            'model': Model.__name__,
+            'client_token': record.braintree_client_token,
+            }
+        ext, content, _, _ = Report.execute([record.id], data)
+        assert ext == 'html'
+        return Response(content, HTTPStatus.OK, content_type='text/html')
+    elif request.method == 'POST':
+        record.braintree_set_nonce(
+            request.form['payment_method_nonce'],
+            request.form.get('device_data'))
+        return Response(
+            '<body onload="window.close();"></body>',
+            HTTPStatus.OK,
+            content_type='text/html')
+
+
[email protected](
+    '/<database_name>/account_payment_braintree/webhook/<account>',
+    methods={'POST'})
+@with_pool
+@with_transaction()
+def webhooks_endpoint(request, pool, account):
+    Account = pool.get('account.payment.braintree.account')
+    account, = Account.search([
+            ('webhook_identifier', '=', account),
+            ])
+    gateway = account.gateway()
+    try:
+        notification = gateway.webhook_notification.parse(
+            str(request.form['bt_signature']), request.form['bt_payload'])
+    except braintree.exceptions.invalid_signature_error.InvalidSignatureError:
+        abort(http.client.BAD_REQUEST)
+
+    result = account.webhook(notification)
+    if result is None:
+        logger.info(
+            "No callback for notification kind '%s'", notification.kind)
+    elif not result:
+        return Response(status=http.client.NOT_FOUND)
+    return Response(status=http.client.NO_CONTENT)
diff -r 000000000000 -r 91ba99507adb setup.py
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/setup.py  Thu Oct 08 22:23:33 2020 +0200
@@ -0,0 +1,145 @@
+#!/usr/bin/env python3
+# This file is part of Tryton.  The COPYRIGHT file at the top level of
+# this repository contains the full copyright notices and license terms.
+
+import io
+import os
+import re
+from configparser import ConfigParser
+from setuptools import setup, find_packages
+
+
+def read(fname, slice=None):
+    content = io.open(
+        os.path.join(os.path.dirname(__file__), fname),
+        'r', encoding='utf-8').read()
+    if slice:
+        content = '\n'.join(content.splitlines()[slice])
+    return content
+
+
+def get_require_version(name):
+    if minor_version % 2:
+        require = '%s >= %s.%s.dev0, < %s.%s'
+    else:
+        require = '%s >= %s.%s, < %s.%s'
+    require %= (name, major_version, minor_version,
+        major_version, minor_version + 1)
+    return require
+
+
+config = ConfigParser()
+config.read_file(open(os.path.join(os.path.dirname(__file__), 'tryton.cfg')))
+info = dict(config.items('tryton'))
+for key in ('depends', 'extras_depend', 'xml'):
+    if key in info:
+        info[key] = info[key].strip().splitlines()
+version = info.get('version', '0.0.1')
+major_version, minor_version, _ = version.split('.', 2)
+major_version = int(major_version)
+minor_version = int(minor_version)
+name = 'trytond_account_payment_braintree'
+
+download_url = 'http://downloads.tryton.org/%s.%s/' % (
+    major_version, minor_version)
+if minor_version % 2:
+    version = '%s.%s.dev0' % (major_version, minor_version)
+    download_url = (
+        'hg+http://hg.tryton.org/modules/%s#egg=%s-%s' % (
+            name[8:], name, version))
+local_version = []
+for build in ['CI_BUILD_NUMBER', 'CI_JOB_NUMBER', 'CI_JOB_ID']:
+    if os.environ.get(build):
+        local_version.append(os.environ[build])
+if local_version:
+    version += '+' + '.'.join(local_version)
+
+requires = ['braintree >= 3.24.0']
+for dep in info.get('depends', []):
+    if not re.match(r'(ir|res)(\W|$)', dep):
+        requires.append(get_require_version('trytond_%s' % dep))
+requires.append(get_require_version('trytond'))
+
+tests_require = [get_require_version('proteus')]
+dependency_links = []
+if minor_version % 2:
+    dependency_links.append('https://trydevpi.tryton.org/')
+
+setup(name=name,
+    version=version,
+    description='Tryton module for Braintree payment',
+    long_description=read('README.rst'),
+    author='Tryton',
+    author_email='[email protected]',
+    url='http://www.tryton.org/',
+    download_url=download_url,
+    project_urls={
+        "Bug Tracker": 'https://bugs.tryton.org/',
+        "Documentation": 'https://docs.tryton.org/',
+        "Forum": 'https://www.tryton.org/forum',
+        "Source Code": (
+            'https://hg.tryton.org/modules/account_payment_braintree'),
+        },
+    keywords='tryton account payment braintree',
+    package_dir={'trytond.modules.account_payment_braintree': '.'},
+    packages=(
+        ['trytond.modules.account_payment_braintree']
+        + ['trytond.modules.account_payment_braintree.%s' % p
+            for p in find_packages()]
+        ),
+    package_data={
+        'trytond.modules.account_payment_braintree': (info.get('xml', [])
+            + ['tryton.cfg', 'view/*.xml', 'locale/*.po', '*.fodt', '*.html',
+                'icons/*.svg', 'tests/*.rst']),
+        },
+    classifiers=[
+        'Development Status :: 5 - Production/Stable',
+        'Environment :: Plugins',
+        'Framework :: Tryton',
+        'Intended Audience :: Developers',
+        'Intended Audience :: Financial and Insurance Industry',
+        'Intended Audience :: Legal Industry',
+        'License :: OSI Approved :: '
+        'GNU General Public License v3 or later (GPLv3+)',
+        'Natural Language :: Bulgarian',
+        'Natural Language :: Catalan',
+        'Natural Language :: Chinese (Simplified)',
+        'Natural Language :: Czech',
+        'Natural Language :: Dutch',
+        'Natural Language :: English',
+        'Natural Language :: Finnish',
+        'Natural Language :: French',
+        'Natural Language :: German',
+        'Natural Language :: Hungarian',
+        'Natural Language :: Indonesian',
+        'Natural Language :: Italian',
+        'Natural Language :: Persian',
+        'Natural Language :: Polish',
+        'Natural Language :: Portuguese (Brazilian)',
+        'Natural Language :: Russian',
+        'Natural Language :: Slovenian',
+        'Natural Language :: Spanish',
+        'Natural Language :: Turkish',
+        'Operating System :: OS Independent',
+        'Programming Language :: Python :: 3',
+        'Programming Language :: Python :: 3.5',
+        'Programming Language :: Python :: 3.6',
+        'Programming Language :: Python :: 3.7',
+        'Programming Language :: Python :: 3.8',
+        'Programming Language :: Python :: Implementation :: CPython',
+        'Programming Language :: Python :: Implementation :: PyPy',
+        'Topic :: Office/Business',
+        ],
+    license='GPL-3',
+    python_requires='>=3.5',
+    install_requires=requires,
+    dependency_links=dependency_links,
+    zip_safe=False,
+    entry_points="""
+    [trytond.modules]
+    account_payment_braintree = trytond.modules.account_payment_braintree
+    """,  # noqa: E501
+    test_suite='tests',
+    test_loader='trytond.test_loader:Loader',
+    tests_require=tests_require,
+    )
diff -r 000000000000 -r 91ba99507adb tests/__init__.py
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/__init__.py Thu Oct 08 22:23:33 2020 +0200
@@ -0,0 +1,9 @@
+# This file is part of Tryton.  The COPYRIGHT file at the top level of
+# this repository contains the full copyright notices and license terms.
+
+try:
+    from 
trytond.modules.account_payment_braintree.tests.test_account_payment_braintree 
import suite  # noqa: E501
+except ImportError:
+    from .test_account_payment_braintree import suite
+
+__all__ = ['suite']
diff -r 000000000000 -r 91ba99507adb 
tests/scenario_account_payment_braintree.rst
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/scenario_account_payment_braintree.rst      Thu Oct 08 22:23:33 
2020 +0200
@@ -0,0 +1,286 @@
+==================================
+Account Payment Braintree Scenario
+==================================
+
+Imports::
+
+    >>> import os
+    >>> import random
+    >>> from decimal import Decimal
+    >>> import braintree
+    >>> from braintree.test.nonces import Nonces
+    >>> from proteus import Model, Wizard
+    >>> from trytond.tests.tools import activate_modules
+    >>> from trytond.modules.company.tests.tools import create_company, \
+    ...     get_company
+    >>> from trytond.modules.account.tests.tools import create_fiscalyear, \
+    ...     create_chart, get_accounts
+
+Activate modules::
+
+    >>> config = activate_modules('account_payment_braintree')
+
+Get cron::
+
+    >>> Cron = Model.get('ir.cron')
+
+Create company::
+
+    >>> Company = Model.get('company.company')
+    >>> _ = create_company()
+    >>> company = get_company()
+
+Create fiscal year::
+
+    >>> fiscalyear = create_fiscalyear(company)
+    >>> fiscalyear.click('create_period')
+
+Create chart of accounts::
+
+    >>> _ = create_chart(company)
+
+Create Braintree account::
+
+    >>> BraintreeAccount = Model.get('account.payment.braintree.account')
+    >>> braintree_account = BraintreeAccount(name="Braintree")
+    >>> braintree_account.currency = company.currency
+    >>> braintree_account.environment = 'sandbox'
+    >>> braintree_account.merchant_id = os.getenv('BRAINTREE_MERCHANT_ID')
+    >>> braintree_account.public_key = os.getenv('BRAINTREE_PUBLIC_KEY')
+    >>> braintree_account.private_key = os.getenv('BRAINTREE_PRIVATE_KEY')
+    >>> braintree_account.save()
+
+    >>> gateway = braintree.BraintreeGateway(braintree.Configuration(
+    ...         environment=braintree.Environment.Sandbox,
+    ...         merchant_id=braintree_account.merchant_id,
+    ...         public_key=braintree_account.public_key,
+    ...         private_key=braintree_account.private_key,
+    ...         ))
+
+Create webhook identifier::
+
+    >>> braintree_account.click('new_identifier')
+    >>> len(braintree_account.webhook_identifier)
+    32
+
+Remove webhook::
+
+    >>> braintree_account.click('new_identifier')
+    >>> braintree_account.webhook_identifier
+
+Create payment journal::
+
+    >>> PaymentJournal = Model.get('account.payment.journal')
+    >>> payment_journal = PaymentJournal(name="Braintree",
+    ...     process_method='braintree', braintree_account=braintree_account)
+    >>> payment_journal.save()
+
+Create party::
+
+    >>> Party = Model.get('party.party')
+    >>> customer = Party(name="Customer")
+    >>> customer.save()
+
+Create approved payment::
+
+    >>> Payment = Model.get('account.payment')
+    >>> payment = Payment()
+    >>> payment.journal = payment_journal
+    >>> payment.kind = 'receivable'
+    >>> payment.party = customer
+    >>> # Use random amount to prevent gateway rejection for duplicate
+    >>> payment.amount = amount = Decimal(random.randint(0, 1999))
+    >>> payment.click('approve')
+    >>> payment.state
+    'approved'
+
+Checkout the payment::
+
+    >>> action_id = payment.click('braintree_checkout')
+    >>> checkout = Wizard('account.payment.braintree.checkout', [payment])
+    >>> bool(payment.braintree_checkout_id)
+    True
+
+    >>> Payment.write([payment.id], {
+    ...     'braintree_nonce': Nonces.Transactable,
+    ...     }, config.context)
+
+Process the payment::
+
+    >>> process_payment = Wizard('account.payment.process', [payment])
+    >>> process_payment.execute('process')
+    >>> payment.state
+    'processing'
+    >>> bool(payment.braintree_payment_settled)
+    True
+    >>> payment.amount == amount
+    True
+
+    >>> _ = 
gateway.testing.settle_transaction(payment.braintree_transaction_id)
+
+Pull update::
+
+    >>> cron_payment_pull, = Cron.find([
+    ...     ('method', '=', 'account.payment|braintree_pull'),
+    ...     ])
+    >>> cron_payment_pull.companies.append(Company(company.id))
+    >>> cron_payment_pull.click('run_once')
+
+    >>> payment.reload()
+    >>> payment.state
+    'succeeded'
+    >>> payment.amount == amount
+    True
+
+Create a customer::
+
+    >>> Customer = Model.get('account.payment.braintree.customer')
+    >>> braintree_customer = Customer()
+    >>> braintree_customer.party = customer
+    >>> braintree_customer.braintree_account = braintree_account
+    >>> braintree_customer.save()
+    >>> Customer.write([braintree_customer.id], {
+    ...     'braintree_nonce': Nonces.Transactable,
+    ...     }, config.context)
+
+Run cron::
+
+    >>> cron_customer_create, = Cron.find([
+    ...     ('method', '=', 
'account.payment.braintree.customer|braintree_create'),
+    ...     ])
+    >>> cron_customer_create.companies.append(Company(company.id))
+    >>> cron_customer_create.click('run_once')
+
+    >>> braintree_customer.reload()
+    >>> bool(braintree_customer.braintree_customer_id)
+    True
+
+Make payment with customer::
+
+    >>> payment, = payment.duplicate()
+    >>> payment.braintree_customer = braintree_customer
+    >>> payment.amount = amount = Decimal(random.randint(0, 1999))
+    >>> payment.save()
+    >>> _, method = Payment.get_braintree_customer_methods(payment.id, 
config.context)
+    >>> method_token, _ = method
+    >>> payment.braintree_customer_method = method_token
+    >>> payment.click('approve')
+    >>> payment.state
+    'approved'
+    >>> process_payment = Wizard('account.payment.process', [payment])
+    >>> process_payment.execute('process')
+    >>> payment.state
+    'processing'
+
+    >>> _ = 
gateway.testing.settle_transaction(payment.braintree_transaction_id)
+    >>> cron_payment_pull.click('run_once')
+    >>> payment.reload()
+    >>> payment.state
+    'succeeded'
+
+Delete customer::
+
+    >>> braintree_customer.delete()
+    >>> bool(braintree_customer.active)
+    False
+
+Run cron::
+
+    >>> cron_customer_delete, = Cron.find([
+    ...     ('method', '=', 
'account.payment.braintree.customer|braintree_delete'),
+    ...     ])
+    >>> cron_customer_delete.companies.append(Company(company.id))
+    >>> cron_customer_delete.click('run_once')
+
+    >>> braintree_customer.reload()
+    >>> braintree_customer.braintree_customer_id
+
+Create payment to settle::
+
+    >>> payment, = payment.duplicate()
+    >>> payment.braintree_customer = None
+    >>> payment.braintree_settle_payment = False
+    >>> payment.amount = amount = Decimal(random.randint(0, 1999))
+    >>> payment.click('approve')
+    >>> payment.state
+    'approved'
+
+    >>> Payment.write([payment.id], {
+    ...     'braintree_nonce': Nonces.Transactable,
+    ...     }, config.context)
+
+    >>> process_payment = Wizard('account.payment.process', [payment])
+    >>> process_payment.execute('process')
+    >>> payment.state
+    'processing'
+
+    >>> _ = 
gateway.testing.settle_transaction(payment.braintree_transaction_id)
+    >>> cron_payment_pull.click('run_once')
+    >>> payment.reload()
+    >>> payment.state
+    'processing'
+
+Settle lower amount::
+
+    >>> payment.amount = amount = Decimal(random.randint(2, 
int(payment.amount)))
+    >>> payment.click('braintree_do_settle_payment')
+    >>> payment.state
+    'processing'
+
+    >>> _ = 
gateway.testing.settle_transaction(payment.braintree_transaction_id)
+    >>> cron_payment_pull.click('run_once')
+    >>> payment.reload()
+    >>> payment.state
+    'succeeded'
+    >>> bool(payment.braintree_payment_settled)
+    True
+
+Refund some amount::
+
+    >>> Refund = Model.get('account.payment.braintree.refund')
+    >>> refund = Refund()
+    >>> refund.payment = payment
+    >>> refund.amount = amount - 1
+    >>> refund.click('approve')
+    >>> cron_refund, = Cron.find([
+    ...     ('method', '=', 
'account.payment.braintree.refund|braintree_refund'),
+    ...     ])
+    >>> cron_refund.companies.append(Company(company.id))
+    >>> cron_refund.click('run_once')
+
+    >>> refund.reload()
+    >>> refund.state
+    'processing'
+    >>> payment.reload()
+    >>> payment.amount == amount
+    True
+
+    >>> _ = gateway.testing.settle_transaction(refund.braintree_transaction_id)
+    >>> cron_refund_pull, = Cron.find([
+    ...     ('method', '=', 'account.payment.braintree.refund|braintree_pull'),
+    ...     ])
+    >>> cron_refund_pull.companies.append(Company(company.id))
+    >>> cron_refund_pull.click('run_once')
+    >>> refund.reload()
+    >>> refund.state
+    'succeeded'
+
+    >>> payment.reload()
+    >>> payment.amount
+    Decimal('1.00')
+    >>> payment.state
+    'succeeded'
+
+Try to refund more::
+
+    >>> refund = Refund()
+    >>> refund.payment = payment
+    >>> refund.amount = Decimal('10')
+    >>> refund.click('approve')
+    >>> cron_refund.click('run_once')
+    >>> refund.reload()
+    >>> refund.state
+    'failed'
+    >>> payment.reload()
+    >>> payment.amount
+    Decimal('1.00')
diff -r 000000000000 -r 91ba99507adb tests/test_account_payment_braintree.py
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/test_account_payment_braintree.py   Thu Oct 08 22:23:33 2020 +0200
@@ -0,0 +1,31 @@
+# This file is part of Tryton.  The COPYRIGHT file at the top level of
+# this repository contains the full copyright notices and license terms.
+import os
+import unittest
+
+import doctest
+
+from trytond.tests.test_tryton import ModuleTestCase
+from trytond.tests.test_tryton import suite as test_suite
+from trytond.tests.test_tryton import doctest_teardown
+from trytond.tests.test_tryton import doctest_checker
+
+
+class AccountPaymentBraintreeTestCase(ModuleTestCase):
+    'Test Account Payment Braintree module'
+    module = 'account_payment_braintree'
+
+
+def suite():
+    suite = test_suite()
+    suite.addTests(unittest.TestLoader().loadTestsFromTestCase(
+            AccountPaymentBraintreeTestCase))
+    if (os.getenv('BRAINTREE_MERCHANT_ID')
+            and os.getenv('BRAINTREE_PUBLIC_KEY')
+            and os.getenv('BRAINTREE_PRIVATE_KEY')):
+        suite.addTests(doctest.DocFileSuite(
+                'scenario_account_payment_braintree.rst',
+                tearDown=doctest_teardown, encoding='utf-8',
+                checker=doctest_checker,
+                optionflags=doctest.REPORT_ONLY_FIRST_FAILURE))
+    return suite
diff -r 000000000000 -r 91ba99507adb tox.ini
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/tox.ini   Thu Oct 08 22:23:33 2020 +0200
@@ -0,0 +1,15 @@
+[tox]
+envlist = {py35,py36,py37,py38}-{sqlite,postgresql},pypy3-{sqlite,postgresql}
+
+[testenv]
+commands = {envpython} setup.py test
+deps =
+    {py35,py36,py37,py38}-postgresql: psycopg2 >= 2.5
+    pypy3-postgresql: psycopg2cffi >= 2.5
+    {py35,py36}-sqlite: sqlitebck
+setenv =
+    sqlite: TRYTOND_DATABASE_URI={env:SQLITE_URI:sqlite://}
+    postgresql: TRYTOND_DATABASE_URI={env:POSTGRESQL_URI:postgresql://}
+    sqlite: DB_NAME={env:SQLITE_NAME::memory:}
+    postgresql: DB_NAME={env:POSTGRESQL_NAME:test}
+install_command = pip install --pre --find-links https://trydevpi.tryton.org/ 
{opts} {packages}
diff -r 000000000000 -r 91ba99507adb tryton.cfg
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/tryton.cfg        Thu Oct 08 22:23:33 2020 +0200
@@ -0,0 +1,10 @@
+[tryton]
+version=5.7.0
+depends:
+    account
+    account_payment
+    ir
+    party
+xml:
+    account.xml
+    message.xml
diff -r 000000000000 -r 91ba99507adb view/account_form.xml
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/view/account_form.xml     Thu Oct 08 22:23:33 2020 +0200
@@ -0,0 +1,22 @@
+<?xml version="1.0"?>
+<!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
+this repository contains the full copyright notices and license terms. -->
+<form>
+    <label name="name"/>
+    <field name="name"/>
+    <label name="currency"/>
+    <field name="currency"/>
+    <label name="environment"/>
+    <field name="environment" colspan="3"/>
+    <label name="merchant_id"/>
+    <field name="merchant_id" colspan="3"/>
+    <label name="public_key"/>
+    <field name="public_key" colspan="3"/>
+    <label name="private_key"/>
+    <field name="private_key" colspan="3"/>
+    <label name="webhook_endpoint"/>
+    <field name="webhook_endpoint" colspan="2"/>
+    <button name="new_identifier"/>
+    <label name="sandbox_settle_transaction"/>
+    <field name="sandbox_settle_transaction"/>
+</form>
diff -r 000000000000 -r 91ba99507adb view/account_list.xml
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/view/account_list.xml     Thu Oct 08 22:23:33 2020 +0200
@@ -0,0 +1,7 @@
+<?xml version="1.0"?>
+<!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
+this repository contains the full copyright notices and license terms. -->
+<tree>
+    <field name="name" expand="1"/>
+    <field name="currency"/>
+</tree>
diff -r 000000000000 -r 91ba99507adb view/customer_form.xml
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/view/customer_form.xml    Thu Oct 08 22:23:33 2020 +0200
@@ -0,0 +1,24 @@
+<?xml version="1.0"?>
+<!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
+this repository contains the full copyright notices and license terms. -->
+<form>
+    <label name="party"/>
+    <field name="party"/>
+    <label name="active"/>
+    <field name="active"/>
+
+    <label name="braintree_account"/>
+    <field name="braintree_account"/>
+    <newline/>
+
+    <label name="braintree_customer_id"/>
+    <field name="braintree_customer_id"/>
+
+    <group id="buttons" col="-1" colspan="4">
+        <button name="braintree_checkout"/>
+        <button name="delete_payment_method"/>
+    </group>
+
+    <label name="braintree_error_message"/>
+    <field name="braintree_error_message" colspan="3" yexpand="0" height="80"/>
+</form>
diff -r 000000000000 -r 91ba99507adb view/customer_list.xml
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/view/customer_list.xml    Thu Oct 08 22:23:33 2020 +0200
@@ -0,0 +1,9 @@
+<?xml version="1.0"?>
+<!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
+this repository contains the full copyright notices and license terms. -->
+<tree>
+    <field name="party" expand="2"/>
+    <field name="braintree_account" expand="1"/>
+    <field name="braintree_customer_id"/>
+    <button name="braintree_checkout"/>
+</tree>
diff -r 000000000000 -r 91ba99507adb 
view/customer_payment_method_delete_ask_form.xml
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/view/customer_payment_method_delete_ask_form.xml  Thu Oct 08 22:23:33 
2020 +0200
@@ -0,0 +1,9 @@
+<?xml version="1.0"?>
+<!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
+this repository contains the full copyright notices and license terms. -->
+<form col="2">
+    <label name="customer"/>
+    <field name="customer"/>
+    <label name="payment_method"/>
+    <field name="payment_method"/>
+</form>
diff -r 000000000000 -r 91ba99507adb view/payment_form.xml
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/view/payment_form.xml     Thu Oct 08 22:23:33 2020 +0200
@@ -0,0 +1,51 @@
+<?xml version="1.0"?>
+<!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
+this repository contains the full copyright notices and license terms. -->
+<data>
+    <xpath expr="//group[@id='buttons']" position="inside">
+        <button name="braintree_checkout"/>
+        <button name="braintree_do_settle_payment"/>
+        <button name="braintree_do_pull"/>
+    </xpath>
+    <xpath expr="//field[@name='date']" position="after">
+        <group id="braintree" string="Braintree" colspan="4">
+            <label name="braintree_transaction_id" string="Transaction ID:"/>
+            <field name="braintree_transaction_id" colspan="3"/>
+
+            <label name="braintree_customer" string="Customer:"/>
+            <field name="braintree_customer" colspan="3"/>
+
+            <field name="braintree_customer_method" colspan="4" invisible="1"/>
+
+            <label name="braintree_customer_method_selection" string="Payment 
Method:"/>
+            <field name="braintree_customer_method_selection" colspan="3"/>
+
+            <label name="braintree_client_token" string="Client Token:"/>
+            <field name="braintree_client_token" colspan="3"/>
+
+            <label name="braintree_nonce" string="Nonce:"/>
+            <field name="braintree_nonce"/>
+            <label name="braintree_device_data" string="Device Data:"/>
+            <field name="braintree_device_data"/>
+
+            <label name="braintree_settle_payment" string="Settle:"/>
+            <field name="braintree_settle_payment"/>
+            <label name="braintree_payment_settled" string="Settled:"/>
+            <field name="braintree_payment_settled"/>
+        </group>
+    </xpath>
+    <xpath expr="//field[@name='description']" position="after">
+        <label name="braintree_error_message"/>
+        <field name="braintree_error_message" colspan="3" yexpand="0" 
height="80"/>
+
+        <label name="braintree_dispute_reason"/>
+        <field name="braintree_dispute_reason"/>
+        <label name="braintree_dispute_status"/>
+        <field name="braintree_dispute_status"/>
+    </xpath>
+    <xpath expr="//page[@id='description']" position="after">
+        <page name="braintree_refunds" col="1">
+            <field name="braintree_refunds"/>
+        </page>
+    </xpath>
+</data>
diff -r 000000000000 -r 91ba99507adb view/payment_journal_form.xml
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/view/payment_journal_form.xml     Thu Oct 08 22:23:33 2020 +0200
@@ -0,0 +1,11 @@
+<?xml version="1.0"?>
+<!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
+this repository contains the full copyright notices and license terms. -->
+<data>
+    <xpath expr="/form/field[@name='process_method']" position="after">
+        <separator name="braintree_account" string="Braintree" colspan="4"/>
+        <label name="braintree_account"/>
+        <field name="braintree_account"/>
+        <newline/>
+    </xpath>
+</data>
diff -r 000000000000 -r 91ba99507adb view/payment_list.xml
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/view/payment_list.xml     Thu Oct 08 22:23:33 2020 +0200
@@ -0,0 +1,9 @@
+<?xml version="1.0"?>
+<!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
+this repository contains the full copyright notices and license terms. -->
+<data>
+    <xpath expr="/tree/button[@name='approve']" position="after">
+        <button name="braintree_checkout"/>
+        <button name="braintree_do_settle_payment"/>
+    </xpath>
+</data>
diff -r 000000000000 -r 91ba99507adb view/refund_form.xml
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/view/refund_form.xml      Thu Oct 08 22:23:33 2020 +0200
@@ -0,0 +1,19 @@
+<?xml version="1.0"?>
+<!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
+this repository contains the full copyright notices and license terms. -->
+<form>
+    <label name="payment"/>
+    <field name="payment"/>
+    <label name="amount"/>
+    <field name="amount"/>
+
+    <label name="braintree_error_message"/>
+    <field name="braintree_error_message" colspan="3" yexpand="0" height="80"/>
+
+    <label name="state"/>
+    <field name="state"/>
+    <group col="-1" colspan="2" id="buttons">
+        <button name="draft"/>
+        <button name="approve"/>
+    </group>
+</form>
diff -r 000000000000 -r 91ba99507adb view/refund_list.xml
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/view/refund_list.xml      Thu Oct 08 22:23:33 2020 +0200
@@ -0,0 +1,8 @@
+<?xml version="1.0"?>
+<!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
+this repository contains the full copyright notices and license terms. -->
+<tree>
+    <field name="payment" expand="1"/>
+    <field name="amount" expand="2"/>
+    <field name="state"/>
+</tree>

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