Annoted clip function.py

def clip(text:str, max_len:'int > 0'=80) -> str: """Return text clipped at the last space before or after max_len """ end = None if len(text) > max_len: space_before = text.rfind(' ', 0, max_len) if space_before >= 0: end = space_before else: space_after = text.rfind(' ', max_len) if space_after >= 0: end = space_after if end is None: # no spaces were found end = len(text) return text[:end].rstrip()
Function annotations. Python 3 provides syntax to attach metadata to the parameters of a function declaration and its return value.

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