Refactor infra git libs and testing.

infra/ext/__init__.py

 # Copyright 2014 The Chromium 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
 
 
 def _add_ext_dirs_to_path():
   base = os.path.dirname(os.path.abspath(__file__))
 
   for d in os.listdir(base):
     full = os.path.join(base, d)
     if os.path.isdir(full):
       # TODO(iannucci): look for egg
       sys.path.insert(0, full)
       globals()[d] = __import__(d)
 
 _add_ext_dirs_to_path()
 
 # Enough of a hint for pylint / jedi (autocompletion) to find and follow the
 # imports, but doesn't make python import them immediately at runtime.
 #
 # This list should always contain a complete list of all modules in ext.
 if False:
   import argcomplete

[Vadim Sh., 2014/06/30 17:24:12]

btw, you use yaml. Is pyyaml in ext?

[iannucci, 2014/06/30 23:03:03]

No not yet :(. I want to add it, but there are too many CLs flying around.
Presubmit in infra is disabled at the moment though, which is why I haven't had
people throwing sharp stuff at me.

   import dateutil
   import httplib2
   import oauth2client
   import pytz
   import requests
   import testing_support
 
 
 class _LazyImportHack(object):
+  __path__ = []
 
   def __getattr__(self, name):
     mod = __import__(name)
     setattr(self, name, mod)
     return mod
 
 sys.modules[__name__] = _LazyImportHack()