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32 lines
979 B
Python
32 lines
979 B
Python
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from re import findall
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def strip_comment_line_with_symbol(line, start):
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parts = line.split(start)
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counts = [len(findall(r'(?:^|[^"\\]|(?:\\\\|\\")+)(")(?!")', part)) for part in parts]
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total = 0
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for nr, count in enumerate(counts):
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total += count
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if total % 2 == 0:
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return start.join(parts[:nr+1]).rstrip()
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else:
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return line.rstrip()
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def strip_comments(string, comment_symbols=frozenset(('#', '//'))):
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"""
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Stripping comments usually works, but there are a few edge cases that trip it up, like https://github.com/mverleg/pyjson_tricks/issues/57.
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:param string: A string containing json with comments started by comment_symbols.
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:param comment_symbols: Iterable of symbols that start a line comment (default # or //).
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:return: The string with the comments removed.
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"""
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lines = string.splitlines()
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for k in range(len(lines)):
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for symbol in comment_symbols:
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lines[k] = strip_comment_line_with_symbol(lines[k], start=symbol)
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return '\n'.join(lines)
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