tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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find_depot_tools.py (2185B)

      1 #!/usr/bin/env python3
      2 # Copyright 2011 The Chromium Authors
      3 # Use of this source code is governed by a BSD-style license that can be
      4 # found in the LICENSE file.
      5 """Small utility function to find depot_tools and add it to the python path.
      6 
      7 Will throw an ImportError exception if depot_tools can't be found since it
      8 imports breakpad.
      9 
     10 This can also be used as a standalone script to print out the depot_tools
     11 directory location.
     12 """
     13 
     14 
     15 import os
     16 import sys
     17 
     18 
     19 # Path to //src
     20 SRC = os.path.abspath(os.path.join(os.path.dirname(__file__), os.pardir))
     21 
     22 
     23 def IsRealDepotTools(path):
     24  expanded_path = os.path.expanduser(path)
     25  return os.path.isfile(os.path.join(expanded_path, 'gclient.py'))
     26 
     27 
     28 def add_depot_tools_to_path():
     29  """Search for depot_tools and add it to sys.path."""
     30  # First, check if we have a DEPS'd in "depot_tools".
     31  deps_depot_tools = os.path.join(SRC, 'third_party', 'depot_tools')
     32  if IsRealDepotTools(deps_depot_tools):
     33    # Put the pinned version at the start of the sys.path, in case there
     34    # are other non-pinned versions already on the sys.path.
     35    sys.path.insert(0, deps_depot_tools)
     36    return deps_depot_tools
     37 
     38  # Then look if depot_tools is already in PYTHONPATH.
     39  for i in sys.path:
     40    if i.rstrip(os.sep).endswith('depot_tools') and IsRealDepotTools(i):
     41      return i
     42  # Then look if depot_tools is in PATH, common case.
     43  for i in os.environ['PATH'].split(os.pathsep):
     44    if IsRealDepotTools(i):
     45      sys.path.append(i.rstrip(os.sep))
     46      return i
     47  # Rare case, it's not even in PATH, look upward up to root.
     48  root_dir = os.path.dirname(os.path.abspath(__file__))
     49  previous_dir = os.path.abspath(__file__)
     50  while root_dir and root_dir != previous_dir:
     51    i = os.path.join(root_dir, 'depot_tools')
     52    if IsRealDepotTools(i):
     53      sys.path.append(i)
     54      return i
     55    previous_dir = root_dir
     56    root_dir = os.path.dirname(root_dir)
     57  print('Failed to find depot_tools', file=sys.stderr)
     58  return None
     59 
     60 DEPOT_TOOLS_PATH = add_depot_tools_to_path()
     61 
     62 # pylint: disable=W0611
     63 import breakpad
     64 
     65 
     66 def main():
     67  if DEPOT_TOOLS_PATH is None:
     68    return 1
     69  print(DEPOT_TOOLS_PATH)
     70  return 0
     71 
     72 
     73 if __name__ == '__main__':
     74  sys.exit(main())