24 lines
709 B
Python
24 lines
709 B
Python
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import re
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from string import Template
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from typing import List
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ESCAPED = "(?![^{}]*})"
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# This one doesn't actually work, but we're keeping it the same for consistency
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ESCAPED_OR_QUOTED = "(?![^{}]*})|(?<!')${separator}(?=[^']*'$)"
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def split_on(
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value: str, separator: str, *, exceptions: str = ESCAPED, filter_nones: bool = True
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) -> List[str]:
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split_pattern = Template("${separator}${exceptions}").safe_substitute(
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separator=separator, exceptions=exceptions
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)
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pattern = re.compile(rf"{split_pattern}")
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tokens = re.split(pattern, value)
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trimmed = list(map(lambda t: t.strip(), tokens))
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if not filter_nones:
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return trimmed
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return list(filter(None, trimmed))
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