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https://github.com/tc39/test262.git
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d15066ec39
* Simplify find_cases * Improve help text * Improve YAML-capturing regex * Use built-in dedenting * Fix use of built-in dedenting * Fix use of built-in dedenting for Python 3
24 lines
761 B
Python
24 lines
761 B
Python
# Copyright (C) 2016 the V8 project authors. All rights reserved.
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# This code is governed by the BSD license found in the LICENSE file.
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import yaml, re, textwrap
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yamlPattern = re.compile(
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r'^\s*---\n(.*?)(?:\n[^\n\S]*)?---\s*$',
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flags=re.DOTALL)
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endOfLine = re.compile(r'(^|.)$', flags=re.MULTILINE)
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def parse_yaml(string):
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match = yamlPattern.match(string)
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if not match:
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return False
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# dedent truncates only-whitespace lines,
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# so run it against a transformed string
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# in which every line is terminated by a dot
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terminated = endOfLine.sub(r'\1~', match.group(1))
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dedented_terminated = textwrap.dedent(terminated)
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dedented = endOfLine.sub('', dedented_terminated)
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return yaml.safe_load(dedented)
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