cef/tools/svn_util.py
2013-08-22 20:14:11 +00:00

71 lines
2.3 KiB
Python

# Copyright (c) 2012 The Chromium Embedded Framework Authors. All rights
# reserved. Use of this source code is governed by a BSD-style license that
# can be found in the LICENSE file.
import os
import sys
import subprocess
import urllib
import xml.etree.ElementTree as ET
def check_url(url):
""" Check the URL and raise an exception if invalid. """
if ':' in url[:7]:
parts = url.split(':', 1)
if (parts[0] == 'http' or parts[0] == 'https' or parts[0] == 'svn') and \
parts[1] == urllib.quote(parts[1]):
return url
sys.stderr.write('Invalid URL: '+url+"\n")
raise Exception('Invalid URL: '+url)
def get_svn_info(path):
""" Retrieves the URL and revision from svn info. """
url = 'None'
rev = 'None'
if path[0:4] == 'http' or os.path.exists(path):
try:
if sys.platform == 'win32':
# Force use of the SVN version bundled with depot_tools.
svn = 'svn.bat'
else:
svn = 'svn'
p = subprocess.Popen([svn, 'info', '--xml', path], \
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
out, err = p.communicate()
if err == '':
tree = ET.ElementTree(ET.fromstring(out))
entry = tree.getroot().find('entry')
url = entry.find('url').text
rev = entry.attrib['revision']
else:
raise Exception("Failed to execute svn info:\n"+err+"\n")
except IOError, (errno, strerror):
sys.stderr.write('Failed to read svn info: '+strerror+"\n")
raise
except:
raise
return {'url': url, 'revision': rev}
def get_revision(path = '.'):
""" Retrieves the revision from svn info. """
info = get_svn_info(path)
if info['revision'] == 'None':
raise Exception('Unable to retrieve SVN revision for "'+path+'"')
return info['revision']
def get_changed_files(path = '.'):
""" Retrieves the list of changed files from svn status. """
files = []
if os.path.exists(path):
try:
stream = os.popen('svn status '+path)
for line in stream:
status = line[0]
# Return paths with add, modify and switch status.
if status == 'A' or status == 'M' or status == 'S':
files.append(line[8:].strip())
except IOError, (errno, strerror):
sys.stderr.write('Failed to read svn status: '+strerror+"\n")
raise
return files