12bcdb71ff
No need to set tabstop 189 times, this can be set in your vimrc file instead. Also if set incorrectly gate (pep8 check) will catch your mistakes. Change-Id: Ic6f0c0ef94e8194a5c121598305d1ec3c74e4843
309 lines
9.5 KiB
Python
309 lines
9.5 KiB
Python
# Copyright 2012 Red Hat, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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r"""
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A simple script to update openstack-common modules which have been copied
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into other projects. See:
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http://wiki.openstack.org/CommonLibrary#Incubation
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The script can be called the following ways:
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$> python update.py ../myproj
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$> python update.py --config-file ../myproj/openstack-common.conf
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Where ../myproj is a project directory containing openstack-common.conf which
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might look like:
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[DEFAULT]
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modules = wsgi,utils
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base = myproj
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Or:
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$> python update.py ../myproj/myconf.conf
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$> python update.py --config-file ../myproj/myconf.conf
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Where ../myproj is a project directory which contains a differently named
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configuration file, or:
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$> python update.py --config-file ../myproj/myproj/openstack/common.conf
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--dest-dir ../myproj
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Where ../myproject is a project directory, but the configuration file is
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stored in a sub-directory, or:
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$> python update.py --modules wsgi,utils --base myproj ../myproj
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$> python update.py --modules wsgi,utils --base myproj --dest-dir ../myproj
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Where ../myproject is a project directory, but we explicitly specify
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the modules to copy and the base destination module
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Obviously, the first way is the easiest!
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"""
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from __future__ import print_function
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import functools
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import glob
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import os
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import os.path
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import re
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import shutil
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import sys
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from oslo.config import cfg
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opts = [
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cfg.ListOpt('modules',
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default=[],
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help='The list of modules to copy from oslo-incubator '
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'(deprecated in favor of --module)'),
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cfg.MultiStrOpt('module',
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default=[],
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help='The list of modules to copy from oslo-incubator'),
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cfg.StrOpt('base',
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default=None,
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help='The base module to hold the copy of openstack.common'),
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cfg.StrOpt('dest-dir',
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default=None,
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help='Destination project directory'),
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cfg.StrOpt('configfile_or_destdir',
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default=None,
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help='A config file or destination project directory',
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positional=True),
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cfg.BoolOpt('nodeps',
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default=False,
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help='Discard dependencies of configured modules'),
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]
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def _parse_args(argv):
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conf = cfg.ConfigOpts()
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conf.register_cli_opts(opts)
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conf(argv, usage='Usage: %(prog)s [config-file|dest-dir]')
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if conf.configfile_or_destdir:
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def def_config_file(dest_dir):
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return os.path.join(dest_dir, 'openstack-common.conf')
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config_file = None
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if os.path.isfile(conf.configfile_or_destdir):
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config_file = conf.configfile_or_destdir
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elif (os.path.isdir(conf.configfile_or_destdir)
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and os.path.isfile(def_config_file(conf.configfile_or_destdir))):
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config_file = def_config_file(conf.configfile_or_destdir)
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if config_file:
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conf(argv + ['--config-file', config_file])
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return conf
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def _mod_to_path(mod):
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return os.path.join(*mod.split('.'))
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def _dest_path(path, base, dest_dir):
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return os.path.join(dest_dir, _mod_to_path(base), path)
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def _replace(path, pattern, replacement):
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with open(path, "rb+") as f:
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lines = f.readlines()
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f.seek(0)
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f.truncate()
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for line in lines:
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f.write(re.sub(pattern, replacement, line))
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def _make_dirs(path):
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if not os.path.isdir(os.path.dirname(path)):
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os.makedirs(os.path.dirname(path))
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def _copy_file(path, dest, base):
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_make_dirs(dest)
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if not os.path.isdir(os.path.dirname(dest)):
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os.makedirs(os.path.dirname(dest))
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shutil.copy2(path, dest)
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if 'rpc/' not in dest:
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_replace(dest, 'oslo', base)
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_replace(dest, 'OSLO', base.upper())
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# Restore the imports for modules that are part of the oslo
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# namespace package. We can't just do something like 'oslo\..+'
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# because there are default configuration settings like
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# "oslo.sqlite" that we want to have changed to "nova.sqlite" by
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# the above call.
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for oslo_module in ['config']:
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_replace(dest, base + '.' + oslo_module,
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'oslo.' + oslo_module)
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_replace(dest,
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'^( *)from openstack.common',
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r'\1from ' + base + '.openstack.common')
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_replace(dest,
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'\'openstack\.common',
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'\'' + base + '.openstack.common')
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_replace(dest,
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'\"openstack\.common',
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'\"' + base + '.openstack.common')
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_replace(dest,
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'=openstack\.common',
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'=' + base + '.openstack.common')
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_replace(dest,
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'possible_topdir, "oslo",$',
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'possible_topdir, "' + base + '",')
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def _copy_pyfile(path, base, dest_dir):
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_copy_file(path, _dest_path(path, base, dest_dir), base)
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def _copy_module(mod, base, dest_dir):
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print("Copying %s under the %s module in %s" % (mod, base, dest_dir))
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copy_pyfile = functools.partial(_copy_pyfile,
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base=base, dest_dir=dest_dir)
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if '.' in mod:
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path = _mod_to_path('openstack.common')
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for d in mod.split('.')[:-1]:
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path = os.path.join(path, d)
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if os.path.isdir(path):
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copy_pyfile(os.path.join(path, '__init__.py'))
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mod_path = _mod_to_path('openstack.common.%s' % mod)
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mod_file = '%s.py' % mod_path
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if os.path.isfile(mod_file):
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copy_pyfile(mod_file)
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elif os.path.isdir(mod_path):
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dest = os.path.join(dest_dir, _mod_to_path(base),
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'openstack', 'common', mod)
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_make_dirs(dest)
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sources = filter(lambda x: x[-3:] == '.py', os.listdir(mod_path))
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for s in sources:
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copy_pyfile(os.path.join(mod_path, s))
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globs_to_copy = [
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os.path.join('tools', mod, '*.sh'),
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os.path.join('tools', mod + '*'),
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os.path.join('etc', 'oslo', mod + '*.conf'),
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]
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for matches in [glob.glob(g) for g in globs_to_copy]:
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for match in [x for x in matches if not os.path.isdir(x)]:
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dest = os.path.join(dest_dir, match.replace('oslo', base))
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print("Copying %s to %s" % (match, dest))
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_copy_file(match, dest, base)
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def _create_module_init(base, dest_dir, *sub_paths):
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"""Create module __init__ files."""
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init_path = _dest_path('openstack', base, dest_dir)
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if sub_paths:
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init_path = os.path.join(init_path, *sub_paths)
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init_path = os.path.join(init_path, '__init__.py')
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if not os.path.exists(init_path):
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_make_dirs(init_path)
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open(init_path, 'w').close()
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def _find_import_modules(srcfile):
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oslo_import_pattern = re.compile(r"\s*from\sopenstack\.common"
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"(\simport\s|\.)(\w+)($|.+)")
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with open(srcfile, 'r') as f:
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for line in f:
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result = oslo_import_pattern.match(line)
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if result:
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yield result.group(2)
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def _build_dependency_tree():
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dep_tree = {}
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base_path = os.path.join('openstack', 'common')
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for dirpath, _, filenames in os.walk(base_path):
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for filename in [x for x in filenames if x.endswith('.py')]:
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if dirpath == base_path:
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mod_name = filename.split('.')[0]
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else:
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mod_name = dirpath.split(os.sep)[2]
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if mod_name == '__init__':
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continue
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filepath = os.path.join(dirpath, filename)
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dep_list = dep_tree.setdefault(mod_name, [])
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dep_list.extend([x for x in _find_import_modules(filepath)
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if x != mod_name and x not in dep_list])
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return dep_tree
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def _dfs_dependency_tree(dep_tree, mod_name, mod_list=[]):
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mod_list.append(mod_name)
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for mod in dep_tree.get(mod_name, []):
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if mod not in mod_list:
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mod_list = _dfs_dependency_tree(dep_tree, mod, mod_list)
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return mod_list
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def _complete_module_list(mod_list, nodeps):
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if nodeps:
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return mod_list
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addons = []
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dep_tree = _build_dependency_tree()
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for mod in mod_list:
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addons.extend([x for x in _dfs_dependency_tree(dep_tree, mod)
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if x not in mod_list and x not in addons])
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mod_list.extend(addons)
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return mod_list
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def main(argv):
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conf = _parse_args(argv)
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dest_dir = conf.dest_dir
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if not dest_dir and conf.config_file:
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dest_dir = os.path.dirname(conf.config_file[-1])
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if not dest_dir or not os.path.isdir(dest_dir):
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print("A valid destination dir is required", file=sys.stderr)
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sys.exit(1)
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if not conf.module and not conf.modules:
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print("A list of modules to copy is required", file=sys.stderr)
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sys.exit(1)
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if not conf.base:
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print("A destination base module is required", file=sys.stderr)
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sys.exit(1)
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_create_module_init(conf.base, dest_dir)
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_create_module_init(conf.base, dest_dir, 'common')
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for mod in _complete_module_list(conf.module + conf.modules, conf.nodeps):
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_copy_module(mod, conf.base, dest_dir)
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if __name__ == "__main__":
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main(sys.argv[1:])
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