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clip_annot.py
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clip_annot.py
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"""
>>> clip('banana ', 6)
'banana'
>>> clip('banana ', 7)
'banana'
>>> clip('banana ', 5)
'banana'
>>> clip('banana split', 6)
'banana'
>>> clip('banana split', 7)
'banana'
>>> clip('banana split', 10)
'banana'
>>> clip('banana split', 11)
'banana'
>>> clip('banana split', 12)
'banana split'
"""
# BEGIN CLIP_ANNOT
def clip(text:str, max_len:'int > 0'=80) -> str: # <1>
"""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()
# END CLIP_ANNOT