skia2/tools/svn.py
2012-05-25 19:48:05 +00:00

117 lines
4.2 KiB
Python

'''
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'
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 GetNewFiles(self):
"""Return a list of files which are in this directory but NOT under
SVN control.
"""
stdout = self._RunCommand(['svn', 'status'])
new_regex = re.compile('^\?.....\s+(.+)$', re.MULTILINE)
files = new_regex.findall(stdout)
return files
def GetNewAndModifiedFiles(self):
"""Return a list of files in this dir which are newly added or modified,
including those that are not (yet) under SVN control.
"""
stdout = self._RunCommand(['svn', 'status'])
new_regex = re.compile('^[AM\?].....\s+(.+)$', re.MULTILINE)
files = new_regex.findall(stdout)
return files
def GetModifiedFiles(self):
"""Return a list of files in this dir which are under SVN control, and
have been modified.
"""
stdout = self._RunCommand(['svn', 'status'])
new_regex = re.compile('^M.....\s+(.+)$', re.MULTILINE)
files = new_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])