Make auto-roll testable.

tools/push-to-trunk/common_includes.py

 #!/usr/bin/env python
 # Copyright 2013 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
@@ skipping 13 matching lines @@
 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 import os
 import re
 import subprocess
 import sys
 import textwrap
+import urllib2
 
 PERSISTFILE_BASENAME = "PERSISTFILE_BASENAME"
 TEMP_BRANCH = "TEMP_BRANCH"
 BRANCHNAME = "BRANCHNAME"
 DOT_GIT_LOCATION = "DOT_GIT_LOCATION"
 VERSION_FILE = "VERSION_FILE"
 CHANGELOG_FILE = "CHANGELOG_FILE"
 CHANGELOG_ENTRY_FILE = "CHANGELOG_ENTRY_FILE"
 COMMITMSG_FILE = "COMMITMSG_FILE"
 PATCH_FILE = "PATCH_FILE"
@@ skipping 141 matching lines @@
 
 
 # Wrapper for side effects.
 class SideEffectHandler(object):
   def Command(self, cmd, args="", prefix="", pipe=True):
     return Command(cmd, args, prefix, pipe)
 
   def ReadLine(self):
     return sys.stdin.readline().strip()
 
+  def ReadURL(self, url):
+    # pylint: disable=E1121
+    url_fh = urllib2.urlopen(url, None, 60)
+    try:
+      return url_fh.read()
+    finally:
+      url_fh.close()
+
 DEFAULT_SIDE_EFFECT_HANDLER = SideEffectHandler()
 
 
 class Step(object):
   def __init__(self, text="", requires=None):
     self._text = text
     self._number = -1
     self._options = None
     self._requires = requires
     self._side_effect_handler = DEFAULT_SIDE_EFFECT_HANDLER
@@ skipping 39 matching lines @@
     else:
       return self._side_effect_handler.ReadLine()
 
   def Git(self, args="", prefix="", pipe=True):
     return self._side_effect_handler.Command("git", args, prefix, pipe)
 
   def Editor(self, args):
     return self._side_effect_handler.Command(os.environ["EDITOR"], args,
                                              pipe=False)
 
+  def ReadURL(self, url):
+    return self._side_effect_handler.ReadURL(url)
+
   def Die(self, msg=""):
     if msg != "":
       print "Error: %s" % msg
     print "Exiting"
     raise Exception(msg)
 
   def DieInForcedMode(self, msg=""):
     if self._options and self._options.f:
       msg = msg or "Not implemented in forced mode."
       self.Die(msg)
@@ skipping 168 matching lines @@
     step.SetNumber(number)
     step.SetConfig(config)
     step.SetOptions(options)
     step.SetState(state)
     step.SetSideEffectHandler(side_effect_handler)
     steps.append(step)
     number += 1
 
   for step in steps[options.s:]:
     step.Run()