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'''
Copyright 2011 Google Inc.
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file.
'''
import fnmatch
import os
import re
import subprocess
PROPERTY_MIMETYPE = 'svn:mime-type'
# Status types for GetFilesWithStatus()
STATUS_ADDED = 0x01
STATUS_DELETED = 0x02
STATUS_MODIFIED = 0x04
STATUS_NOT_UNDER_SVN_CONTROL = 0x08
class Svn:
def __init__(self, directory):
"""Set up to manipulate SVN control within the given directory.
@param directory
"""
self._directory = directory
def _RunCommand(self, args):
"""Run a command (from self._directory) and return stdout as a single
string.
@param args a list of arguments
"""
print 'RunCommand: %s' % args
proc = subprocess.Popen(args, cwd=self._directory,
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
(stdout, stderr) = proc.communicate()
if proc.returncode is not 0:
raise Exception('command "%s" failed in dir "%s": %s' %
(args, self._directory, stderr))
return stdout
def Checkout(self, url, path):
"""Check out a working copy from a repository.
Returns stdout as a single string.
@param url URL from which to check out the working copy
@param path path (within self._directory) where the local copy will be
written
"""
return self._RunCommand(['svn', 'checkout', url, path])
def ListSubdirs(self, url):
"""Returns a list of all subdirectories (not files) within a given SVN
url.
@param url remote directory to list subdirectories of
"""
subdirs = []
filenames = self._RunCommand(['svn', 'ls', url]).split('\n')
for filename in filenames:
if filename.endswith('/'):
subdirs.append(filename.strip('/'))
return subdirs
def GetNewFiles(self):
"""Return a list of files which are in this directory but NOT under
SVN control.
"""
return self.GetFilesWithStatus(STATUS_NOT_UNDER_SVN_CONTROL)
def GetNewAndModifiedFiles(self):
"""Return a list of files in this dir which are newly added or modified,
including those that are not (yet) under SVN control.
"""
return self.GetFilesWithStatus(
STATUS_ADDED | STATUS_MODIFIED | STATUS_NOT_UNDER_SVN_CONTROL)
def GetFilesWithStatus(self, status):
"""Return a list of files in this dir with the given SVN status.
@param status bitfield combining one or more STATUS_xxx values
"""
status_types_string = ''
if status & STATUS_ADDED:
status_types_string += 'A'
if status & STATUS_DELETED:
status_types_string += 'D'
if status & STATUS_MODIFIED:
status_types_string += 'M'
if status & STATUS_NOT_UNDER_SVN_CONTROL:
status_types_string += '\?'
status_regex_string = '^[%s].....\s+(.+)$' % status_types_string
stdout = self._RunCommand(['svn', 'status'])
status_regex = re.compile(status_regex_string, re.MULTILINE)
files = status_regex.findall(stdout)
return files
def AddFiles(self, filenames):
"""Adds these files to SVN control.
@param filenames files to add to SVN control
"""
self._RunCommand(['svn', 'add'] + filenames)
def SetProperty(self, filenames, property_name, property_value):
"""Sets a svn property for these files.
@param filenames files to set property on
@param property_name property_name to set for each file
@param property_value what to set the property_name to
"""
if filenames:
self._RunCommand(
['svn', 'propset', property_name, property_value] + filenames)
def SetPropertyByFilenamePattern(self, filename_pattern,
property_name, property_value):
"""Sets a svn property for all files matching filename_pattern.
@param filename_pattern set the property for all files whose names match
this Unix-style filename pattern (e.g., '*.jpg')
@param property_name property_name to set for each file
@param property_value what to set the property_name to
"""
all_files = os.listdir(self._directory)
matching_files = sorted(fnmatch.filter(all_files, filename_pattern))
self.SetProperty(matching_files, property_name, property_value)
def ExportBaseVersionOfFile(self, file_within_repo, dest_path):
"""Retrieves a copy of the base version (what you would get if you ran
'svn revert') of a file within the repository.
@param file_within_repo path to the file within the repo whose base
version you wish to obtain
@param dest_path destination to which to write the base content
"""
self._RunCommand(['svn', 'export', '--revision', 'BASE',
file_within_repo, dest_path])
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