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# -*- coding: utf-8 -*-
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# Copyright (C) 2010-2018 RhodeCode GmbH
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License, version 3
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# (only), as published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# This program is dual-licensed. If you wish to learn more about the
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# RhodeCode Enterprise Edition, including its added features, Support services,
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# and proprietary license terms, please see https://rhodecode.com/licenses/
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import os
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import logging
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from paste.script.command import Command, BadCommand
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class BasePasterCommand(Command):
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"""
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Abstract Base Class for paster commands.
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The celery commands are somewhat aggressive about loading
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celery.conf, and since our module sets the `CELERY_LOADER`
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environment variable to our loader, we have to bootstrap a bit and
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make sure we've had a chance to load the pylons config off of the
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command line, otherwise everything fails.
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"""
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min_args = 1
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min_args_error = "Please provide a paster config file as an argument."
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takes_config_file = 1
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requires_config_file = True
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def notify_msg(self, msg, log=False):
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"""Make a notification to user, additionally if logger is passed
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it logs this action using given logger
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:param msg: message that will be printed to user
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:param log: logging instance, to use to additionally log this message
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"""
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if log and isinstance(log, logging):
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log(msg)
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def run(self, args):
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"""
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Overrides Command.run
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Checks for a config file argument and loads it.
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"""
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if len(args) < self.min_args:
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raise BadCommand(
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self.min_args_error % {'min_args': self.min_args,
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'actual_args': len(args)})
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# Decrement because we're going to lob off the first argument.
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# @@ This is hacky
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self.min_args -= 1
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self.bootstrap_config(args[0])
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self.update_parser()
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return super(BasePasterCommand, self).run(args[1:])
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def update_parser(self):
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"""
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Abstract method. Allows for the class' parser to be updated
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before the superclass' `run` method is called. Necessary to
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allow options/arguments to be passed through to the underlying
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celery command.
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"""
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raise NotImplementedError("Abstract Method.")
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def bootstrap_config(self, conf):
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"""
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Loads the pylons configuration.
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"""
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self.path_to_ini_file = os.path.realpath(conf)
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def _init_session(self):
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"""
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Inits SqlAlchemy Session
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"""
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logging.config.fileConfig(self.path_to_ini_file)
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