Github user ran-z commented on a diff in the pull request:
https://github.com/apache/incubator-ariatosca/pull/97#discussion_r111398207
--- Diff: aria/cli/cli/aria.py ---
@@ -0,0 +1,458 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+import sys
+import difflib
+import StringIO
+import traceback
+from functools import wraps
+
+import click
+
+from ..env import env, logger
+from ..cli import helptexts
+from ..inputs import inputs_to_dict
+from ..constants import SAMPLE_SERVICE_TEMPLATE_FILENAME
+from ...utils.exceptions import get_exception_as_string
+
+
+CLICK_CONTEXT_SETTINGS = dict(
+ help_option_names=['-h', '--help'],
+ token_normalize_func=lambda param: param.lower())
+
+
+class MutuallyExclusiveOption(click.Option):
+ """Makes options mutually exclusive. The option must pass a `cls`
argument
+ with this class name and a `mutually_exclusive` argument with a list of
+ argument names it is mutually exclusive with.
+
+ NOTE: All mutually exclusive options must use this. It's not enough to
+ use it in just one of the options.
+ """
+
+ def __init__(self, *args, **kwargs):
+ self.mutually_exclusive = set(kwargs.pop('mutually_exclusive', []))
+ self.mutuality_error_message = \
+ kwargs.pop('mutuality_error_message',
+ helptexts.DEFAULT_MUTUALITY_MESSAGE)
+ self.mutuality_string = ', '.join(self.mutually_exclusive)
+ if self.mutually_exclusive:
+ help = kwargs.get('help', '')
+ kwargs['help'] = (
+ '{0}. This argument is mutually exclusive with '
+ 'arguments: [{1}] ({2})'.format(
+ help,
+ self.mutuality_string,
+ self.mutuality_error_message))
+ super(MutuallyExclusiveOption, self).__init__(*args, **kwargs)
+
+ def handle_parse_result(self, ctx, opts, args):
+ if self.mutually_exclusive.intersection(opts) and self.name in
opts:
+ raise click.UsageError(
+ 'Illegal usage: `{0}` is mutually exclusive with '
+ 'arguments: [{1}] ({2}).'.format(
+ self.name,
+ self.mutuality_string,
+ self.mutuality_error_message))
+ return super(MutuallyExclusiveOption, self).handle_parse_result(
+ ctx, opts, args)
+
+
+def _format_version_data(version_data,
+ prefix=None,
+ suffix=None,
+ infix=None):
+ all_data = version_data.copy()
+ all_data['prefix'] = prefix or ''
+ all_data['suffix'] = suffix or ''
+ all_data['infix'] = infix or ''
+ output = StringIO.StringIO()
+ output.write('{prefix}{version}'.format(**all_data))
+ output.write('{suffix}'.format(**all_data))
+ return output.getvalue()
+
+
+def show_version(ctx, param, value):
+ if not value:
+ return
+
+ cli_version_data = env.get_version_data()
+ cli_version = _format_version_data(
+ cli_version_data,
+ prefix='ARIA CLI ',
+ infix=' ' * 5,
+ suffix='')
+
+ logger.info(cli_version)
+ ctx.exit()
+
+
+def inputs_callback(ctx, param, value):
+ """Allow to pass any inputs we provide to a command as
+ processed inputs instead of having to call `inputs_to_dict`
+ inside the command.
+
+ `@aria.options.inputs` already calls this callback so that
+ every time you use the option it returns the inputs as a
+ dictionary.
+ """
+ if not value:
+ return {}
+
+ return inputs_to_dict(value)
+
+
+def set_verbosity_level(ctx, param, value):
+ if not value:
+ return
+
+ env.logging.verbosity_level = value
+
+
+def set_cli_except_hook():
+
+ def recommend(possible_solutions):
+ logger.info('Possible solutions:')
+ for solution in possible_solutions:
+ logger.info(' - {0}'.format(solution))
+
+ def new_excepthook(tpe, value, trace):
+ if env.logging.is_high_verbose_level():
+ # log error including traceback
+ logger.error(get_exception_as_string(tpe, value, trace))
+ else:
+ # write the full error to the log file
+ with open(env.logging.log_file, 'a') as log_file:
+ traceback.print_exception(
+ etype=tpe,
+ value=value,
+ tb=trace,
+ file=log_file)
+ # print only the error message
+ print value
+
+ if hasattr(value, 'possible_solutions'):
+ recommend(getattr(value, 'possible_solutions'))
+
+ sys.excepthook = new_excepthook
+
+
+def pass_logger(func):
+ """Simply passes the logger to a command.
+ """
+ # Wraps here makes sure the original docstring propagates to click
+ @wraps(func)
+ def wrapper(*args, **kwargs):
+ return func(logger=logger, *args, **kwargs)
+
+ return wrapper
+
+
+def pass_plugin_manager(func):
+ """Simply passes the plugin manager to a command.
+ """
+ # Wraps here makes sure the original docstring propagates to click
+ @wraps(func)
+ def wrapper(*args, **kwargs):
+ return func(plugin_manager=env.plugin_manager, *args, **kwargs)
+
+ return wrapper
+
+
+def pass_model_storage(func):
+ """Simply passes the model storage to a command.
+ """
+ # Wraps here makes sure the original docstring propagates to click
+ @wraps(func)
+ def wrapper(*args, **kwargs):
+ return func(model_storage=env.model_storage, *args, **kwargs)
+
+ return wrapper
+
+
+def pass_resource_storage(func):
+ """Simply passes the resource storage to a command.
+ """
+ # Wraps here makes sure the original docstring propagates to click
+ @wraps(func)
+ def wrapper(*args, **kwargs):
+ return func(resource_storage=env.resource_storage, *args, **kwargs)
+
+ return wrapper
+
+
+def pass_context(func):
+ """Make click context ARIA specific
+
+ This exists purely for aesthetic reasons, otherwise
+ Some decorators are called `@click.something` instead of
+ `@aria.something`
+ """
+ return click.pass_context(func)
+
+
+class AliasedGroup(click.Group):
+ def __init__(self, *args, **kwargs):
+ self.max_suggestions = kwargs.pop("max_suggestions", 3)
+ self.cutoff = kwargs.pop("cutoff", 0.5)
+ super(AliasedGroup, self).__init__(*args, **kwargs)
+
+ def get_command(self, ctx, cmd_name):
+ cmd = click.Group.get_command(self, ctx, cmd_name)
+ if cmd is not None:
+ return cmd
+ matches = \
+ [x for x in self.list_commands(ctx) if x.startswith(cmd_name)]
+ if not matches:
+ return None
+ elif len(matches) == 1:
+ return click.Group.get_command(self, ctx, matches[0])
+ ctx.fail('Too many matches: {0}'.format(',
'.join(sorted(matches))))
+
+ def resolve_command(self, ctx, args):
+ """Override clicks ``resolve_command`` method
+ and appends *Did you mean ...* suggestions
+ to the raised exception message.
+ """
+ try:
+ return super(AliasedGroup, self).resolve_command(ctx, args)
+ except click.exceptions.UsageError as error:
+ error_msg = str(error)
+ original_cmd_name = click.utils.make_str(args[0])
+ matches = difflib.get_close_matches(
+ original_cmd_name,
+ self.list_commands(ctx),
+ self.max_suggestions,
+ self.cutoff)
+ if matches:
+ error_msg += '\n\nDid you mean one of these?\n
{0}'.format(
+ '\n '.join(matches))
+ raise click.exceptions.UsageError(error_msg, error.ctx)
+
+
+def group(name):
+ """Allow to create a group with a default click context
+ and a cls for click's `didyoueamn` without having to repeat
+ it for every group.
+ """
+ return click.group(
+ name=name,
+ context_settings=CLICK_CONTEXT_SETTINGS,
+ cls=AliasedGroup)
+
+
+def command(*args, **kwargs):
+ """Make Click commands ARIA specific
+
+ This exists purely for aesthetical reasons, otherwise
+ Some decorators are called `@click.something` instead of
+ `@aria.something`
+ """
+ return click.command(*args, **kwargs)
+
+
+def argument(*args, **kwargs):
+ """Make Click arguments ARIA specific
+
+ This exists purely for aesthetic reasons, otherwise
+ Some decorators are called `@click.something` instead of
+ `@aria.something`
+ """
+ return click.argument(*args, **kwargs)
+
+
+class Options(object):
+ def __init__(self):
+ """The options api is nicer when you use each option by calling
+ `@aria.options.some_option` instead of `@aria.some_option`.
+
+ Note that some options are attributes and some are static methods.
+ The reason for that is that we want to be explicit regarding how
+ a developer sees an option. It it can receive arguments, it's a
+ method - if not, it's an attribute.
+ """
+ self.version = click.option(
+ '--version',
+ is_flag=True,
+ callback=show_version,
+ expose_value=False,
+ is_eager=True,
+ help=helptexts.VERSION)
+
+ self.inputs = click.option(
+ '-i',
+ '--inputs',
+ multiple=True,
+ callback=inputs_callback,
+ help=helptexts.INPUTS)
+
+ self.json_output = click.option(
+ '--json-output',
+ is_flag=True,
+ help=helptexts.JSON_OUTPUT)
+
+ self.dry_execution = click.option(
+ '--dry',
+ is_flag=True,
+ help=helptexts.DRY_EXECUTION)
+
+ self.init_hard_reset = click.option(
+ '--hard',
+ is_flag=True,
+ help=helptexts.HARD_RESET)
+
+ self.reset_context = click.option(
+ '-r',
+ '--reset-context',
+ is_flag=True,
+ help=helptexts.RESET_CONTEXT)
+
+ self.enable_colors = click.option(
+ '--enable-colors',
+ is_flag=True,
+ default=False,
+ help=helptexts.ENABLE_COLORS)
+
+ self.node_name = click.option(
+ '-n',
+ '--node-name',
+ required=False,
+ help=helptexts.NODE_NAME)
+
+ self.descending = click.option(
+ '--descending',
+ required=False,
+ is_flag=True,
+ default=False,
+ help=helptexts.DESCENDING)
+
+ @staticmethod
+ def verbose(expose_value=False):
+ return click.option(
+ '-v',
+ '--verbose',
+ count=True,
+ callback=set_verbosity_level,
+ expose_value=expose_value,
+ is_eager=True,
+ help=helptexts.VERBOSE)
+
+ @staticmethod
+ def force(help):
+ return click.option(
+ '-f',
+ '--force',
+ is_flag=True,
+ help=help)
+
+ @staticmethod
+ def service_template_filename():
+ return click.option(
+ '-n',
+ '--service-template-filename',
+ default=SAMPLE_SERVICE_TEMPLATE_FILENAME,
+ help=helptexts.SERVICE_TEMPLATE_FILENAME)
+
+ @staticmethod
+ def workflow_id(default):
--- End diff --
removed this method in the end, it wasnt used
:+1:
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