41 lines
1.3 KiB
Python
41 lines
1.3 KiB
Python
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# Copyright (c) 2011 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""Small utility function to find depot_tools and add it to the python path.
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Will throw an ImportError exception if depot_tools can't be found since it
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imports breakpad.
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"""
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import os
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import sys
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def add_depot_tools_to_path():
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"""Search for depot_tools and add it to sys.path."""
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# First look if depot_tools is already in PYTHONPATH.
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for i in sys.path:
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if i.rstrip(os.sep).endswith('depot_tools'):
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return i
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# Then look if depot_tools is in PATH, common case.
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for i in os.environ['PATH'].split(os.pathsep):
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if i.rstrip(os.sep).endswith('depot_tools'):
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sys.path.append(i.rstrip(os.sep))
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return i
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# Rare case, it's not even in PATH, look upward up to root.
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root_dir = os.path.dirname(os.path.abspath(__file__))
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previous_dir = os.path.abspath(__file__)
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while root_dir and root_dir != previous_dir:
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if os.path.isfile(os.path.join(root_dir, 'depot_tools', 'breakpad.py')):
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i = os.path.join(root_dir, 'depot_tools')
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sys.path.append(i)
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return i
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previous_dir = root_dir
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root_dir = os.path.dirname(root_dir)
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print >> sys.stderr, 'Failed to find depot_tools'
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return None
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add_depot_tools_to_path()
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# pylint: disable=W0611
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import breakpad
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