mirror of
https://gerrit.googlesource.com/git-repo
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59bbb580e3
Add a new module with methods for checking the Python version. Instead of handling Python3 imports with try...except blocks, first check the python version and then import the relevant modules. This makes the code a bit cleaner and will result in less diff when/if we remove support for Python < 3 later. Use the same mechanism to handle `input` vs. `raw_input` and add suppression of pylint warnings caused by redefinition of the built-in method `input`. Change-Id: Ia403e525b88d77640a741ac50382146e7d635924 Also-by: Chirayu Desai <cdesai@cyanogenmod.org> Signed-off-by: Chirayu Desai <cdesai@cyanogenmod.org>
419 lines
12 KiB
Python
Executable File
419 lines
12 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Copyright (C) 2008 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from __future__ import print_function
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import getpass
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import imp
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import netrc
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import optparse
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import os
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import sys
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import time
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from pyversion import is_python3
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if is_python3():
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import urllib.request
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else:
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import urllib2
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urllib = imp.new_module('urllib')
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urllib.request = urllib2
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from trace import SetTrace
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from git_command import git, GitCommand
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from git_config import init_ssh, close_ssh
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from command import InteractiveCommand
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from command import MirrorSafeCommand
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from subcmds.version import Version
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from editor import Editor
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from error import DownloadError
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from error import ManifestInvalidRevisionError
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from error import ManifestParseError
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from error import NoManifestException
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from error import NoSuchProjectError
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from error import RepoChangedException
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from manifest_xml import XmlManifest
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from pager import RunPager
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from subcmds import all_commands
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if not is_python3():
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# pylint:disable=W0622
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input = raw_input
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# pylint:enable=W0622
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global_options = optparse.OptionParser(
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usage="repo [-p|--paginate|--no-pager] COMMAND [ARGS]"
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)
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global_options.add_option('-p', '--paginate',
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dest='pager', action='store_true',
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help='display command output in the pager')
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global_options.add_option('--no-pager',
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dest='no_pager', action='store_true',
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help='disable the pager')
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global_options.add_option('--trace',
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dest='trace', action='store_true',
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help='trace git command execution')
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global_options.add_option('--time',
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dest='time', action='store_true',
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help='time repo command execution')
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global_options.add_option('--version',
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dest='show_version', action='store_true',
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help='display this version of repo')
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class _Repo(object):
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def __init__(self, repodir):
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self.repodir = repodir
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self.commands = all_commands
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# add 'branch' as an alias for 'branches'
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all_commands['branch'] = all_commands['branches']
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def _Run(self, argv):
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result = 0
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name = None
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glob = []
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for i in range(len(argv)):
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if not argv[i].startswith('-'):
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name = argv[i]
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if i > 0:
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glob = argv[:i]
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argv = argv[i + 1:]
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break
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if not name:
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glob = argv
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name = 'help'
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argv = []
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gopts, _gargs = global_options.parse_args(glob)
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if gopts.trace:
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SetTrace()
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if gopts.show_version:
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if name == 'help':
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name = 'version'
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else:
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print('fatal: invalid usage of --version', file=sys.stderr)
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return 1
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try:
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cmd = self.commands[name]
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except KeyError:
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print("repo: '%s' is not a repo command. See 'repo help'." % name,
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file=sys.stderr)
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return 1
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cmd.repodir = self.repodir
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cmd.manifest = XmlManifest(cmd.repodir)
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Editor.globalConfig = cmd.manifest.globalConfig
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if not isinstance(cmd, MirrorSafeCommand) and cmd.manifest.IsMirror:
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print("fatal: '%s' requires a working directory" % name,
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file=sys.stderr)
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return 1
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copts, cargs = cmd.OptionParser.parse_args(argv)
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copts = cmd.ReadEnvironmentOptions(copts)
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if not gopts.no_pager and not isinstance(cmd, InteractiveCommand):
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config = cmd.manifest.globalConfig
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if gopts.pager:
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use_pager = True
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else:
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use_pager = config.GetBoolean('pager.%s' % name)
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if use_pager is None:
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use_pager = cmd.WantPager(copts)
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if use_pager:
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RunPager(config)
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start = time.time()
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try:
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result = cmd.Execute(copts, cargs)
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except DownloadError as e:
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print('error: %s' % str(e), file=sys.stderr)
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result = 1
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except ManifestInvalidRevisionError as e:
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print('error: %s' % str(e), file=sys.stderr)
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result = 1
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except NoManifestException as e:
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print('error: manifest required for this command -- please run init',
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file=sys.stderr)
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result = 1
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except NoSuchProjectError as e:
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if e.name:
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print('error: project %s not found' % e.name, file=sys.stderr)
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else:
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print('error: no project in current directory', file=sys.stderr)
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result = 1
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finally:
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elapsed = time.time() - start
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hours, remainder = divmod(elapsed, 3600)
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minutes, seconds = divmod(remainder, 60)
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if gopts.time:
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if hours == 0:
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print('real\t%dm%.3fs' % (minutes, seconds), file=sys.stderr)
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else:
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print('real\t%dh%dm%.3fs' % (hours, minutes, seconds),
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file=sys.stderr)
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return result
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def _MyRepoPath():
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return os.path.dirname(__file__)
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def _MyWrapperPath():
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return os.path.join(os.path.dirname(__file__), 'repo')
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_wrapper_module = None
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def WrapperModule():
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global _wrapper_module
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if not _wrapper_module:
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_wrapper_module = imp.load_source('wrapper', _MyWrapperPath())
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return _wrapper_module
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def _CurrentWrapperVersion():
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return WrapperModule().VERSION
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def _CheckWrapperVersion(ver, repo_path):
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if not repo_path:
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repo_path = '~/bin/repo'
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if not ver:
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print('no --wrapper-version argument', file=sys.stderr)
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sys.exit(1)
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exp = _CurrentWrapperVersion()
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ver = tuple(map(int, ver.split('.')))
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if len(ver) == 1:
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ver = (0, ver[0])
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exp_str = '.'.join(map(str, exp))
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if exp[0] > ver[0] or ver < (0, 4):
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print("""
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!!! A new repo command (%5s) is available. !!!
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!!! You must upgrade before you can continue: !!!
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cp %s %s
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""" % (exp_str, _MyWrapperPath(), repo_path), file=sys.stderr)
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sys.exit(1)
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if exp > ver:
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print("""
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... A new repo command (%5s) is available.
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... You should upgrade soon:
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cp %s %s
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""" % (exp_str, _MyWrapperPath(), repo_path), file=sys.stderr)
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def _CheckRepoDir(repo_dir):
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if not repo_dir:
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print('no --repo-dir argument', file=sys.stderr)
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sys.exit(1)
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def _PruneOptions(argv, opt):
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i = 0
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while i < len(argv):
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a = argv[i]
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if a == '--':
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break
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if a.startswith('--'):
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eq = a.find('=')
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if eq > 0:
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a = a[0:eq]
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if not opt.has_option(a):
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del argv[i]
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continue
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i += 1
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_user_agent = None
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def _UserAgent():
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global _user_agent
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if _user_agent is None:
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py_version = sys.version_info
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os_name = sys.platform
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if os_name == 'linux2':
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os_name = 'Linux'
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elif os_name == 'win32':
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os_name = 'Win32'
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elif os_name == 'cygwin':
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os_name = 'Cygwin'
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elif os_name == 'darwin':
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os_name = 'Darwin'
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p = GitCommand(
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None, ['describe', 'HEAD'],
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cwd = _MyRepoPath(),
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capture_stdout = True)
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if p.Wait() == 0:
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repo_version = p.stdout
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if len(repo_version) > 0 and repo_version[-1] == '\n':
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repo_version = repo_version[0:-1]
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if len(repo_version) > 0 and repo_version[0] == 'v':
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repo_version = repo_version[1:]
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else:
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repo_version = 'unknown'
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_user_agent = 'git-repo/%s (%s) git/%s Python/%d.%d.%d' % (
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repo_version,
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os_name,
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'.'.join(map(str, git.version_tuple())),
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py_version[0], py_version[1], py_version[2])
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return _user_agent
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class _UserAgentHandler(urllib.request.BaseHandler):
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def http_request(self, req):
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req.add_header('User-Agent', _UserAgent())
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return req
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def https_request(self, req):
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req.add_header('User-Agent', _UserAgent())
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return req
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def _AddPasswordFromUserInput(handler, msg, req):
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# If repo could not find auth info from netrc, try to get it from user input
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url = req.get_full_url()
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user, password = handler.passwd.find_user_password(None, url)
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if user is None:
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print(msg)
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try:
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user = input('User: ')
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password = getpass.getpass()
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except KeyboardInterrupt:
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return
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handler.passwd.add_password(None, url, user, password)
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class _BasicAuthHandler(urllib.request.HTTPBasicAuthHandler):
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def http_error_401(self, req, fp, code, msg, headers):
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_AddPasswordFromUserInput(self, msg, req)
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return urllib.request.HTTPBasicAuthHandler.http_error_401(
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self, req, fp, code, msg, headers)
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def http_error_auth_reqed(self, authreq, host, req, headers):
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try:
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old_add_header = req.add_header
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def _add_header(name, val):
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val = val.replace('\n', '')
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old_add_header(name, val)
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req.add_header = _add_header
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return urllib.request.AbstractBasicAuthHandler.http_error_auth_reqed(
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self, authreq, host, req, headers)
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except:
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reset = getattr(self, 'reset_retry_count', None)
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if reset is not None:
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reset()
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elif getattr(self, 'retried', None):
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self.retried = 0
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raise
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class _DigestAuthHandler(urllib.request.HTTPDigestAuthHandler):
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def http_error_401(self, req, fp, code, msg, headers):
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_AddPasswordFromUserInput(self, msg, req)
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return urllib.request.HTTPDigestAuthHandler.http_error_401(
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self, req, fp, code, msg, headers)
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def http_error_auth_reqed(self, auth_header, host, req, headers):
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try:
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old_add_header = req.add_header
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def _add_header(name, val):
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val = val.replace('\n', '')
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old_add_header(name, val)
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req.add_header = _add_header
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return urllib.request.AbstractDigestAuthHandler.http_error_auth_reqed(
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self, auth_header, host, req, headers)
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except:
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reset = getattr(self, 'reset_retry_count', None)
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if reset is not None:
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reset()
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elif getattr(self, 'retried', None):
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self.retried = 0
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raise
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def init_http():
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handlers = [_UserAgentHandler()]
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mgr = urllib.request.HTTPPasswordMgrWithDefaultRealm()
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try:
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n = netrc.netrc()
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for host in n.hosts:
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p = n.hosts[host]
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mgr.add_password(p[1], 'http://%s/' % host, p[0], p[2])
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mgr.add_password(p[1], 'https://%s/' % host, p[0], p[2])
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except netrc.NetrcParseError:
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pass
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except IOError:
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pass
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handlers.append(_BasicAuthHandler(mgr))
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handlers.append(_DigestAuthHandler(mgr))
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if 'http_proxy' in os.environ:
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url = os.environ['http_proxy']
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handlers.append(urllib.request.ProxyHandler({'http': url, 'https': url}))
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if 'REPO_CURL_VERBOSE' in os.environ:
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handlers.append(urllib.request.HTTPHandler(debuglevel=1))
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handlers.append(urllib.request.HTTPSHandler(debuglevel=1))
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urllib.request.install_opener(urllib.request.build_opener(*handlers))
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def _Main(argv):
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result = 0
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opt = optparse.OptionParser(usage="repo wrapperinfo -- ...")
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opt.add_option("--repo-dir", dest="repodir",
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help="path to .repo/")
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opt.add_option("--wrapper-version", dest="wrapper_version",
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help="version of the wrapper script")
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opt.add_option("--wrapper-path", dest="wrapper_path",
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help="location of the wrapper script")
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_PruneOptions(argv, opt)
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opt, argv = opt.parse_args(argv)
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_CheckWrapperVersion(opt.wrapper_version, opt.wrapper_path)
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_CheckRepoDir(opt.repodir)
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Version.wrapper_version = opt.wrapper_version
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Version.wrapper_path = opt.wrapper_path
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repo = _Repo(opt.repodir)
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try:
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try:
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init_ssh()
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init_http()
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result = repo._Run(argv) or 0
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finally:
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close_ssh()
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except KeyboardInterrupt:
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print('aborted by user', file=sys.stderr)
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result = 1
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except ManifestParseError as mpe:
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print('fatal: %s' % mpe, file=sys.stderr)
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result = 1
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except RepoChangedException as rce:
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# If repo changed, re-exec ourselves.
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#
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argv = list(sys.argv)
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argv.extend(rce.extra_args)
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try:
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os.execv(__file__, argv)
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except OSError as e:
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print('fatal: cannot restart repo after upgrade', file=sys.stderr)
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print('fatal: %s' % e, file=sys.stderr)
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result = 128
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sys.exit(result)
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if __name__ == '__main__':
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_Main(sys.argv[1:])
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