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![Alexander Aprelev](/assets/img/avatar_default.png)
Changes to the canonical are only addition of a comment header and path-setting lines: ``` chrome_src = os.path.abspath(os.path.join(script_dir, os.pardir)) SRC_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__))) sys.path.insert(0, os.path.join(chrome_src, 'tools')) ``` Change-Id: I403c1d7dd56cc45fcddd93142e8929e8cd5ae75f Reviewed-on: https://dart-review.googlesource.com/76705 Reviewed-by: Zach Anderson <zra@google.com> Commit-Queue: Alexander Aprelev <aam@google.com>
40 lines
1.4 KiB
Python
40 lines
1.4 KiB
Python
# Copyright 2014 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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"""Helper functions useful when writing scripts that are run from GN's
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exec_script function."""
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class GNException(Exception):
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pass
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def ToGNString(value, allow_dicts = True):
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"""Prints the given value to stdout.
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allow_dicts indicates if this function will allow converting dictionaries
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to GN scopes. This is only possible at the top level, you can't nest a
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GN scope in a list, so this should be set to False for recursive calls."""
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if isinstance(value, str) or isinstance(value, unicode):
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if value.find('\n') >= 0:
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raise GNException("Trying to print a string with a newline in it.")
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return '"' + value.replace('"', '\\"') + '"'
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if isinstance(value, list):
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return '[ %s ]' % ', '.join(ToGNString(v) for v in value)
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if isinstance(value, dict):
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if not allow_dicts:
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raise GNException("Attempting to recursively print a dictionary.")
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result = ""
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for key in value:
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if not isinstance(key, str):
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raise GNException("Dictionary key is not a string.")
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result += "%s = %s\n" % (key, ToGNString(value[key], False))
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return result
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if isinstance(value, int):
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return str(value)
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raise GNException("Unsupported type %s (value %s) when printing to GN." % (type(value), value))
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