#!/usr/bin/env python # Copyright (c) 2011 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. """Small utility function to find depot_tools and add it to the python path.
Will throw an ImportError exception if depot_tools can't be found since it
imports breakpad.
This can also be used as a standalone script to print out the depot_tools
directory location. """
from __future__ import print_function
import os import sys
# Path to //src
SRC = os.path.abspath(os.path.join(os.path.dirname(__file__), os.pardir))
def add_depot_tools_to_path(): """Search for depot_tools and add it to sys.path.""" # First, check if we have a DEPS'd in "depot_tools".
deps_depot_tools = os.path.join(SRC, 'third_party', 'depot_tools') if IsRealDepotTools(deps_depot_tools): # Put the pinned version at the start of the sys.path, in case there # are other non-pinned versions already on the sys.path.
sys.path.insert(0, deps_depot_tools) return deps_depot_tools
# Then look if depot_tools is already in PYTHONPATH. for i in sys.path: if i.rstrip(os.sep).endswith('depot_tools') and IsRealDepotTools(i): return i # Then look if depot_tools is in PATH, common case. for i in os.environ['PATH'].split(os.pathsep): if IsRealDepotTools(i):
sys.path.append(i.rstrip(os.sep)) return i # Rare case, it's not even in PATH, look upward up to root.
root_dir = os.path.dirname(os.path.abspath(__file__))
previous_dir = os.path.abspath(__file__) while root_dir and root_dir != previous_dir:
i = os.path.join(root_dir, 'depot_tools') if IsRealDepotTools(i):
sys.path.append(i) return i
previous_dir = root_dir
root_dir = os.path.dirname(root_dir)
print('Failed to find depot_tools', file=sys.stderr) returnNone
DEPOT_TOOLS_PATH = add_depot_tools_to_path()
# pylint: disable=W0611 import breakpad
def main(): if DEPOT_TOOLS_PATH isNone: return 1
print(DEPOT_TOOLS_PATH) return 0
if __name__ == '__main__':
sys.exit(main())
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