python/_php_runtime.py

   1 #!/usr/bin/env python
   2 #
   3 # Copyright 2007 Google Inc.
   4 #
   5 # Licensed under the Apache License, Version 2.0 (the "License");
   6 # you may not use this file except in compliance with the License.
   7 # You may obtain a copy of the License at
   8 #
   9 #     http://www.apache.org/licenses/LICENSE-2.0
  10 #
  11 # Unless required by applicable law or agreed to in writing, software
  12 # distributed under the License is distributed on an "AS IS" BASIS,
  13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 # See the License for the specific language governing permissions and
  15 # limitations under the License.
  16 #
  17 """Convenience wrapper for starting an appengine tool."""
  18
  19
  20 import os
  21 import sys
  22
  23
  24
  25
  26 sys_path = sys.path
  27 try:
  28   sys.path = [os.path.dirname(__file__)] + sys.path
  29
  30   import wrapper_util
  31
  32 finally:
  33   sys.path = sys_path
  34
  35 wrapper_util.reject_old_python_versions((2, 7))
  36
  37 _DIR_PATH = wrapper_util.get_dir_path(__file__, os.path.join('lib', 'ipaddr'))
  38 _PATHS = wrapper_util.Paths(_DIR_PATH)
  39
  40
  41
  42
  43
  44 EXTRA_PATHS = _PATHS.v2_extra_paths
  45
  46
  47 def fix_sys_path(extra_extra_paths=()):
  48   """Fix the sys.path to include our extra paths.
  49
  50   fix_sys_path should be called before running testbed-based unit tests so that
  51   third-party modules are correctly added to sys.path.
  52   """
  53   sys.path[1:1] = EXTRA_PATHS
  54
  55
  56 def _run_file(file_path, globals_):
  57   """Execute the given script with the passed-in globals.
  58
  59   Args:
  60     file_path: the path to the wrapper for the given script. This will usually
  61       be a copy of this file.
  62     globals_: the global bindings to be used while executing the wrapped script.
  63   """
  64   script_name = os.path.basename(file_path)
  65
  66   sys.path = (_PATHS.script_paths(script_name) +
  67               _PATHS.scrub_path(script_name, sys.path))
  68
  69
  70
  71
  72
  73
  74
  75   if 'google' in sys.modules:
  76     del sys.modules['google']
  77
  78   execfile(_PATHS.script_file(script_name), globals_)
  79
  80
  81 if __name__ == '__main__':
  82   _run_file(__file__, globals())