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calculate-utils-4-lib/calculate/templates/template_filters.py

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399 B

def cut(instr: str, field_num: int = 0, delimiter: str = "-") -> str:
"""
Разделить входную строку `instr` разделительем `delimiter`
и вернуть поле `field_num`.
"""
if instr is None:
return ""
parts = str(instr).split(delimiter)
if field_num < len(parts):
return parts[field_num]
else:
return ""