mirror of https://github.com/morpheus65535/bazarr
36 lines
804 B
Python
36 lines
804 B
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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Utils for re module
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"""
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from rebulk.remodule import re
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def build_or_pattern(patterns, name=None, escape=False):
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"""
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Build a or pattern string from a list of possible patterns
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:param patterns:
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:type patterns:
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:param name:
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:type name:
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:param escape:
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:type escape:
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:return:
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:rtype:
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"""
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or_pattern = []
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for pattern in patterns:
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if not or_pattern:
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or_pattern.append('(?')
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if name:
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or_pattern.append(f'P<{name}>')
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else:
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or_pattern.append(':')
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else:
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or_pattern.append('|')
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or_pattern.append(f'(?:{re.escape(pattern)})' if escape else pattern)
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or_pattern.append(')')
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return ''.join(or_pattern)
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