Branch CEF3 files from /branches/cef3 to /trunk/cef3 (issue #564).

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@571 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

tools/svn_util.py

@@ -0,0 +1,57 @@
+# 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 urllib
+
+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:
+      stream = os.popen('svn info '+path)
+      for line in stream:
+        if line[0:4] == "URL:":
+          url = check_url(line[5:-1])
+        elif line[0:9] == "Revision:":
+          rev = str(int(line[10:-1]))
+    except IOError, (errno, strerror):
+      sys.stderr.write('Failed to read svn info: '+strerror+"\n")
+      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