python/download_appstats.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
  18
  19
  20 """Convenience wrapper for starting an appengine tool."""
  21
  22
  23 import os
  24 import sys
  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, 5))
  36
  37
  38
  39
  40 def get_dir_path(sibling):
  41   """Get a path to the directory of this script.
  42
  43   By default, the canonical path (symlinks resolved) will be returned. In some
  44   environments the canonical directory is not sufficient because different
  45   parts of the SDK are referenced by symlinks, including this very module's
  46   file. In this case, the non-canonical path to this file's directory will be
  47   returned (i.e., the directory where the symlink lives, not the directory
  48   where it points).
  49
  50   Args:
  51     sibling: Relative path to a sibling of this module file. Choose a sibling
  52     that is potentially symlinked into the parent directory.
  53
  54   Returns:
  55     A directory name.
  56
  57   Raises:
  58     ValueError: If no proper path could be determined.
  59   """
  60   return wrapper_util.get_dir_path(__file__, sibling)
  61
  62
  63
  64
  65
  66
  67
  68
  69
  70
  71
  72
  73
  74 DIR_PATH = get_dir_path(os.path.join('lib', 'ipaddr'))
  75 _PATHS = wrapper_util.Paths(DIR_PATH)
  76
  77 SCRIPT_DIR = _PATHS.default_script_dir
  78 GOOGLE_SQL_DIR = _PATHS.google_sql_dir
  79
  80 EXTRA_PATHS = _PATHS.v1_extra_paths
  81
  82 API_SERVER_EXTRA_PATHS = _PATHS.api_server_extra_paths
  83
  84 ENDPOINTSCFG_EXTRA_PATHS = _PATHS.endpointscfg_extra_paths
  85
  86
  87 OAUTH_CLIENT_EXTRA_PATHS = _PATHS.oauth_client_extra_paths
  88
  89
  90 GOOGLE_SQL_EXTRA_PATHS = _PATHS.google_sql_extra_paths
  91
  92
  93
  94
  95 def fix_sys_path(extra_extra_paths=()):
  96   """Fix the sys.path to include our extra paths."""
  97   sys.path = EXTRA_PATHS + list(extra_extra_paths) + sys.path
  98
  99
 100 def run_file(file_path, globals_):
 101   """Execute the given script with the passed-in globals.
 102
 103   Args:
 104     file_path: the path to the wrapper for the given script. This will usually
 105       be a copy of this file.
 106     globals_: the global bindings to be used while executing the wrapped script.
 107   """
 108   script_name = os.path.basename(file_path)
 109
 110   sys.path = (_PATHS.script_paths(script_name) +
 111               _PATHS.scrub_path(script_name, sys.path))
 112
 113
 114
 115
 116
 117
 118
 119   if 'google' in sys.modules:
 120     del sys.modules['google']
 121
 122   execfile(_PATHS.script_file(script_name), globals_)
 123
 124
 125 if __name__ == '__main__':
 126   run_file(__file__, globals())