dart-sdk/build/find_depot_tools.py
Alexander Aprelev a6f56aec88 [infra] Update windows build and toolchain setup python scripts.
The scripts originate from Chromium, this CL syncs Dart's copy with Chromium tip of the tree at 6f8f710079b3e363f4fd7ffe3d848384e4b7c816.

Format toolchain/win/BUILD.gn

Change-Id: Ice7ba48bdd102ffe0e25c6ae6068f83cb14169ba
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/253500
Reviewed-by: Alexander Thomas <athom@google.com>
Commit-Queue: Alexander Aprelev <aam@google.com>
2022-08-03 16:30:56 +00:00

81 lines
2.4 KiB
Python

#!/usr/bin/env python3
# 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.
#
# For Dart/Flutter developers:
# This file is copied from Chromium:
# https://cs.chromium.org/chromium/src/build/find_depot_tools.py
# When updating replace reference to python on the first line with python3.
#
"""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 IsRealDepotTools(path):
expanded_path = os.path.expanduser(path)
return os.path.isfile(os.path.join(expanded_path, 'gclient.py'))
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)
return None
DEPOT_TOOLS_PATH = add_depot_tools_to_path()
# pylint: disable=W0611
import breakpad
def main():
if DEPOT_TOOLS_PATH is None:
return 1
print(DEPOT_TOOLS_PATH)
return 0
if __name__ == '__main__':
sys.exit(main())