50c92cc7e2
We have multiple code generation scripts in utils/, mixed with other miscellaneous utilities, as well as a larger code base based on mojom in utils/ipc/. To make code sharing easier between the generator scripts, without creating a mess in the utils/ directory, move all the code generation code to utils/codegen/. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
44 lines
1.5 KiB
Python
44 lines
1.5 KiB
Python
# Copyright 2015 The Chromium Authors
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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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import errno
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import os.path
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import sys
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def _GetDirAbove(dirname):
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"""Returns the directory "above" this file containing |dirname| (which must
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also be "above" this file)."""
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path = os.path.abspath(__file__)
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while True:
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path, tail = os.path.split(path)
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if not tail:
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return None
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if tail == dirname:
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return path
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def EnsureDirectoryExists(path, always_try_to_create=False):
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"""A wrapper for os.makedirs that does not error if the directory already
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exists. A different process could be racing to create this directory."""
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if not os.path.exists(path) or always_try_to_create:
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try:
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os.makedirs(path)
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except OSError as e:
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# There may have been a race to create this directory.
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if e.errno != errno.EEXIST:
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raise
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def AddLocalRepoThirdPartyDirToModulePath():
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"""Helper function to find the top-level directory of this script's repository
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assuming the script falls somewhere within a 'mojo' directory, and insert the
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top-level 'third_party' directory early in the module search path. Used to
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ensure that third-party dependencies provided within the repository itself
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(e.g. Chromium sources include snapshots of jinja2 and ply) are preferred over
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locally installed system library packages."""
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toplevel_dir = _GetDirAbove('mojo')
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if toplevel_dir:
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sys.path.insert(1, os.path.join(toplevel_dir, 'third_party'))
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