Hi,

first: Thank you for creating web2py, I am starting to love it :-)
 
I tried an app with a smartgrid on gae, some questions came up:


1.) How can I make the search in smartgrid work on gae (Google App Engine)? 
I only get the message "query not supported"


2.) Why does the upload for a picture file does *not* work on my mac, but 
it does on my iPad? Why does it depend from the OS used?
On the Mac it seems to upload, 100 % for the uplaod is reached, but in the 
end I am getting the message:
"Error: Server ErrorThe server encountered an error and could not complete 
your request.

If the problem persists, please 
report<http://code.google.com/appengine/community.html> your 
problem and mention this error message and the query that caused it."

The link for "report" links to 
https://developers.google.com/appengine/community?hl=de&csw=1


Unfortunately I do not have a ticket, that leeds to question3:

3.) What do I have to configure, that the ticketing system works on gae? 
That tickets are created and saved in db(gae)?

Is it possible that I have to create one ticket locally, that the index is 
created??


4.) How can I enable debug on gae? Is there something wrong to take "admin" 
out of the excludes in the app.yaml? ( for developement :-) )


5.) How can I make the generic views work on gae?


See code below and attached, I used for testing
BTW you have to move "gaehandler.py" from folder "handlers" one up (into 
folder web2py).
Put the app.yaml on same level (in folder web2py), remember to set *your* 
 app_spot_ID in Line 6
The path in the gae launcher have to be set to the used web2py (source!) 
folder.
I used the source of web2py (2.6.3-stable+timestamp.2013.09.15.17.01.20 
(Running 
on Rocket 1.2.6, Python 2.7.2), with GoogleAppEngineLauncher 1.8.4.1050 on 
MacOS 10.8.5


Thank you for help! 
Cheers!
pd


Here is what I tested, something very similar to the 
examples/database_examples (#29,#34):

Here is the model: ---------------------------------------------, see 
example #29, see attached db.py

db.define_table(
    'person',
    Field('name'),
    Field('email'),
    format = '%(name)s')

# ONE (person) TO MANY (products)

db.define_table(
    'product',
    Field('seller_id',db.person),
    Field('name'),
    Field('description', 'text'),
    Field('picture', 'upload', default=''),
    format = '%(name)s')

# MANY (persons) TO MANY (purchases)

db.define_table(
    'purchase',
    Field('buyer_id', db.person),
    Field('product_id', db.product),
    Field('quantity', 'integer'),
    format = '%(quantity)s %(product_id)s -> %(buyer_id)s')

purchased = 
(db.person.id==db.purchase.buyer_id)&(db.product.id==db.purchase.product_id)

db.person.name.requires = IS_NOT_EMPTY()
db.person.email.requires = [IS_EMAIL(), IS_NOT_IN_DB(db, 'person.email')]
db.product.name.requires = IS_NOT_EMPTY()
db.purchase.quantity.requires = IS_INT_IN_RANGE(0, 10)

Here is the controller: 
------------------------------------------------------ see example #34, see 
attached database_examples.py

def manage_transactions():
    grid = SQLFORM.smartgrid(db.person,linked_tables=['product','purchase'],
                             user_signature=False)
    return dict(grid=grid)

Here is the view:---------------------------------------------------------- 
this was not part of the examples, but I have to add it, as the generic 
view used otherwise does not work on gae
{{extend 'layout.html'}}
<h1>Manage Trancations</h1>
<p>{{=grid}}</p>

Here is the app.yaml:---------------------------------
#  For Google App Engine deployment, copy this file to app.yaml
#  and edit as required
#  See http://code.google.com/appengine/docs/python/config/appconfig.html
#  and http://web2py.com/book/default/chapter/11?search=app.yaml

application: PUT_YOUR_APPSPOT_ID_HERE
version: 1
api_version: 1

# use this line for Python 2.5
#
#runtime: python

# use these lines for Python 2.7
# upload app with: appcfg.py update web2py (where 'web2py' is web2py's root 
directory)
#
runtime: python27
threadsafe: true    # true for WSGI & concurrent requests (Python 2.7 only)

default_expiration: "24h"   # for static files

handlers:

# Warning! Static mapping - below - isn't compatible with 
# the parametric router's language logic. 
# You cannot use them together.

- url: /(.+?)/static/_\d.\d.\d\/(.+)
  static_files: applications/\1/static/\2
  upload: applications/(.+?)/static/(.+)
  secure: optional
  expiration: "365d"

- url: /(.+?)/static/(.+)
  static_files: applications/\1/static/\2
  upload: applications/(.+?)/static/(.+)
  secure: optional

- url: /favicon.ico
  static_files: applications/welcome/static/favicon.ico
  upload: applications/welcome/static/favicon.ico

- url: /robots.txt
  static_files: applications/welcome/static/robots.txt
  upload: applications/welcome/static/robots.txt

- url: .*
  #script: gaehandler.py         # CGI
  script: gaehandler.wsgiapp    # WSGI (Python 2.7 only)
  secure: optional

admin_console:
  pages:
  - name: Appstats
    url: /_ah/stats

skip_files: |
 ^(.*/)?(
 (app\.yaml)|
 (app\.yml)|
 (index\.yaml)|
 (index\.yml)|
 (#.*#)|
 (.*~)|
 (.*\.py[co])|
 (.*/RCS/.*)|
 (\..*)|
 #(applications/(BookCode|admin|examples)/.*)|
 #((admin|examples|welcome)\.(w2p|tar))|
 #(applications/.*?/(cron|databases|errors|cache|sessions)/.*)|
 ((logs|scripts)/.*)|
 (anyserver\.py)|
 (web2py\.py)|
 ((cgi|fcgi|modpython|wsgi)handler\.py)|
 (epydoc\.(conf|css))|
 (httpserver\.log)|
 (logging\.example\.conf)|
 (route[rs]\.example\.py)|
 (setup_(app|exe)\.py)|
 (splashlogo\.gif)|
 (parameters_\d+\.py)|
 (options_std.py)|
 (gluon/tests/.*)|
 (gluon/(rocket|winservice)\.py)|
 (contrib/(gateways|markdown|memcache|pymysql)/.*)|
 (contrib/(populate|taskbar_widget)\.py)|
 (google_appengine/.*)|
 (.*\.(bak|orig))|
 )$

builtins:
- remote_api: on
- appstats: on
- admin_redirect: on
- deferred: on

-- 
Resources:
- http://web2py.com
- http://web2py.com/book (Documentation)
- http://github.com/web2py/web2py (Source code)
- https://code.google.com/p/web2py/issues/list (Report Issues)
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{{extend 'layout.html'}}

Manage Trancations

{{=grid}}

Attachment: app.yaml
Description: Binary data

def manage_transactions():
    grid = SQLFORM.smartgrid(db.person,linked_tables=['product','purchase'],
                             user_signature=False)
    return dict(grid=grid)
# -*- coding: utf-8 -*-

#########################################################################
## This scaffolding model makes your app work on Google App Engine too
## File is released under public domain and you can use without limitations
#########################################################################

## if SSL/HTTPS is properly configured and you want all HTTP requests to
## be redirected to HTTPS, uncomment the line below:
# request.requires_https()

if not request.env.web2py_runtime_gae:
    ## if NOT running on Google App Engine use SQLite or other DB
    db = DAL('sqlite://storage.sqlite',pool_size=1,check_reserved=['all'])
else:
    ## connect to Google BigTable (optional 'google:datastore://namespace')
    db = DAL('google:datastore')
    ## store sessions and tickets there
    session.connect(request, response, db=db)
    ## or store session in Memcache, Redis, etc.
    ## from gluon.contrib.memdb import MEMDB
    ## from google.appengine.api.memcache import Client
    ## session.connect(request, response, db = MEMDB(Client()))

## by default give a view/generic.extension to all actions from localhost
## none otherwise. a pattern can be 'controller/function.extension'
response.generic_patterns = ['*'] if request.is_local else []
## (optional) optimize handling of static files
# response.optimize_css = 'concat,minify,inline'
# response.optimize_js = 'concat,minify,inline'

#########################################################################
## Here is sample code if you need for
## - email capabilities
## - authentication (registration, login, logout, ... )
## - authorization (role based authorization)
## - services (xml, csv, json, xmlrpc, jsonrpc, amf, rss)
## - old style crud actions
## (more options discussed in gluon/tools.py)
#########################################################################

from gluon.tools import Auth, Crud, Service, PluginManager, prettydate
auth = Auth(db)
crud, service, plugins = Crud(db), Service(), PluginManager()

## create all tables needed by auth if not custom tables
auth.define_tables(username=False, signature=False)

## configure email
mail = auth.settings.mailer
mail.settings.server = 'logging' or 'smtp.gmail.com:587'
mail.settings.sender = '[email protected]'
mail.settings.login = 'username:password'

## configure auth policy
auth.settings.registration_requires_verification = False
auth.settings.registration_requires_approval = False
auth.settings.reset_password_requires_verification = True

## if you need to use OpenID, Facebook, MySpace, Twitter, Linkedin, etc.
## register with janrain.com, write your domain:api_key in private/janrain.key
from gluon.contrib.login_methods.rpx_account import use_janrain
use_janrain(auth, filename='private/janrain.key')

#########################################################################
## Define your tables below (or better in another model file) for example
##
## >>> db.define_table('mytable',Field('myfield','string'))
##
## Fields can be 'string','text','password','integer','double','boolean'
##       'date','time','datetime','blob','upload', 'reference TABLENAME'
## There is an implicit 'id integer autoincrement' field
## Consult manual for more options, validators, etc.
##
## More API examples for controllers:
##
## >>> db.mytable.insert(myfield='value')
## >>> rows=db(db.mytable.myfield=='value').select(db.mytable.ALL)
## >>> for row in rows: print row.id, row.myfield
#########################################################################

## after defining tables, uncomment below to enable auditing
# auth.enable_record_versioning(db)

db.define_table(
    'person',
    Field('name'),
    Field('email'),
    format = '%(name)s')

# ONE (person) TO MANY (products)

db.define_table(
    'product',
    Field('seller_id',db.person),
    Field('name'),
    Field('description', 'text'),
    Field('picture', 'upload', default=''),
    format = '%(name)s')

# MANY (persons) TO MANY (purchases)

db.define_table(
    'purchase',
    Field('buyer_id', db.person),
    Field('product_id', db.product),
    Field('quantity', 'integer'),
    format = '%(quantity)s %(product_id)s -> %(buyer_id)s')

purchased = (db.person.id==db.purchase.buyer_id)&(db.product.id==db.purchase.product_id)

db.person.name.requires = IS_NOT_EMPTY()
db.person.email.requires = [IS_EMAIL(), IS_NOT_IN_DB(db, 'person.email')]
db.product.name.requires = IS_NOT_EMPTY()
db.purchase.quantity.requires = IS_INT_IN_RANGE(0, 10)

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