/usr/lib/python2.7/dist-packages/openid/kvform.py is in python-openid 2.2.5-6.
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 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 | __all__ = ['seqToKV', 'kvToSeq', 'dictToKV', 'kvToDict']
from openid import oidutil
import types
class KVFormError(ValueError):
pass
def seqToKV(seq, strict=False):
"""Represent a sequence of pairs of strings as newline-terminated
key:value pairs. The pairs are generated in the order given.
@param seq: The pairs
@type seq: [(str, (unicode|str))]
@return: A string representation of the sequence
@rtype: str
"""
def err(msg):
formatted = 'seqToKV warning: %s: %r' % (msg, seq)
if strict:
raise KVFormError(formatted)
else:
oidutil.log(formatted)
lines = []
for k, v in seq:
if isinstance(k, types.StringType):
k = k.decode('UTF8')
elif not isinstance(k, types.UnicodeType):
err('Converting key to string: %r' % k)
k = str(k)
if '\n' in k:
raise KVFormError(
'Invalid input for seqToKV: key contains newline: %r' % (k,))
if ':' in k:
raise KVFormError(
'Invalid input for seqToKV: key contains colon: %r' % (k,))
if k.strip() != k:
err('Key has whitespace at beginning or end: %r' % (k,))
if isinstance(v, types.StringType):
v = v.decode('UTF8')
elif not isinstance(v, types.UnicodeType):
err('Converting value to string: %r' % (v,))
v = str(v)
if '\n' in v:
raise KVFormError(
'Invalid input for seqToKV: value contains newline: %r' % (v,))
if v.strip() != v:
err('Value has whitespace at beginning or end: %r' % (v,))
lines.append(k + ':' + v + '\n')
return ''.join(lines).encode('UTF8')
def kvToSeq(data, strict=False):
"""
After one parse, seqToKV and kvToSeq are inverses, with no warnings::
seq = kvToSeq(s)
seqToKV(kvToSeq(seq)) == seq
"""
def err(msg):
formatted = 'kvToSeq warning: %s: %r' % (msg, data)
if strict:
raise KVFormError(formatted)
else:
oidutil.log(formatted)
lines = data.split('\n')
if lines[-1]:
err('Does not end in a newline')
else:
del lines[-1]
pairs = []
line_num = 0
for line in lines:
line_num += 1
# Ignore blank lines
if not line.strip():
continue
pair = line.split(':', 1)
if len(pair) == 2:
k, v = pair
k_s = k.strip()
if k_s != k:
fmt = ('In line %d, ignoring leading or trailing '
'whitespace in key %r')
err(fmt % (line_num, k))
if not k_s:
err('In line %d, got empty key' % (line_num,))
v_s = v.strip()
if v_s != v:
fmt = ('In line %d, ignoring leading or trailing '
'whitespace in value %r')
err(fmt % (line_num, v))
pairs.append((k_s.decode('UTF8'), v_s.decode('UTF8')))
else:
err('Line %d does not contain a colon' % line_num)
return pairs
def dictToKV(d):
seq = d.items()
seq.sort()
return seqToKV(seq)
def kvToDict(s):
return dict(kvToSeq(s))
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