/usr/lib/python3/dist-packages/openid/codecutil.py is in python3-openid 3.0.9-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 | import codecs
try:
chr(0x10000)
except ValueError:
# narrow python build
UCSCHAR = [
(0xA0, 0xD7FF),
(0xF900, 0xFDCF),
(0xFDF0, 0xFFEF),
]
IPRIVATE = [
(0xE000, 0xF8FF),
]
else:
UCSCHAR = [
(0xA0, 0xD7FF),
(0xF900, 0xFDCF),
(0xFDF0, 0xFFEF),
(0x10000, 0x1FFFD),
(0x20000, 0x2FFFD),
(0x30000, 0x3FFFD),
(0x40000, 0x4FFFD),
(0x50000, 0x5FFFD),
(0x60000, 0x6FFFD),
(0x70000, 0x7FFFD),
(0x80000, 0x8FFFD),
(0x90000, 0x9FFFD),
(0xA0000, 0xAFFFD),
(0xB0000, 0xBFFFD),
(0xC0000, 0xCFFFD),
(0xD0000, 0xDFFFD),
(0xE1000, 0xEFFFD),
]
IPRIVATE = [
(0xE000, 0xF8FF),
(0xF0000, 0xFFFFD),
(0x100000, 0x10FFFD),
]
_ESCAPE_RANGES = UCSCHAR + IPRIVATE
def _in_escape_range(octet):
for start, end in _ESCAPE_RANGES:
if start <= octet <= end:
return True
return False
def _starts_surrogate_pair(character):
char_value = ord(character)
return 0xD800 <= char_value <= 0xDBFF
def _ends_surrogate_pair(character):
char_value = ord(character)
return 0xDC00 <= char_value <= 0xDFFF
def _pct_encoded_replacements(chunk):
replacements = []
chunk_iter = iter(chunk)
for character in chunk_iter:
codepoint = ord(character)
if _in_escape_range(codepoint):
for char in chr(codepoint).encode("utf-8"):
replacements.append("%%%X" % char)
elif _starts_surrogate_pair(character):
next_character = next(chunk_iter)
for char in (character + next_character).encode("utf-8"):
replacements.append("%%%X" % char)
else:
replacements.append(chr(codepoint))
return replacements
def _pct_escape_handler(err):
'''
Encoding error handler that does percent-escaping of Unicode, to be used
with codecs.register_error
TODO: replace use of this with urllib.parse.quote as appropriate
'''
chunk = err.object[err.start:err.end]
replacements = _pct_encoded_replacements(chunk)
return ("".join(replacements), err.end)
codecs.register_error("oid_percent_escape", _pct_escape_handler)
|