33 lines
1001 B
Python
33 lines
1001 B
Python
# https://github.com/python/cpython/blob/3511c2e546aaacda5880eb89a94f4e8514b3ce76/Lib/cgi.py#L226-L256
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def _parseparam(s):
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while s[:1] == ';':
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s = s[1:]
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end = s.find(';')
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while end > 0 and (s.count('"', 0, end) - s.count('\\"', 0, end)) % 2:
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end = s.find(';', end + 1)
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if end < 0:
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end = len(s)
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f = s[:end]
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yield f.strip()
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s = s[end:]
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def parse_header(line):
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"""Parse a Content-type like header.
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Return the main content-type and a dictionary of options.
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"""
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parts = _parseparam(';' + line)
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key = parts.__next__()
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pdict = {}
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for p in parts:
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i = p.find('=')
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if i >= 0:
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name = p[:i].strip().lower()
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value = p[i+1:].strip()
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if len(value) >= 2 and value[0] == value[-1] == '"':
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value = value[1:-1]
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value = value.replace('\\\\', '\\').replace('\\"', '"')
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pdict[name] = value
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return key, pdict |