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
|
"""
Common functions for providing cross-python version compatibility.
"""
import sys
import re
from six import integer_types
def str_idx_as_int(string, index):
"""Take index'th byte from string, return as integer"""
val = string[index]
if isinstance(val, integer_types):
return val
return ord(val)
if sys.version_info < (3, 0):
def normalise_bytes(buffer_object):
"""Cast the input into array of bytes."""
# flake8 runs on py3 where `buffer` indeed doesn't exist...
return buffer(buffer_object) # noqa: F821
def hmac_compat(ret):
return ret
if sys.version_info < (2, 7) or sys.version_info < (2, 7, 4):
def remove_whitespace(text):
"""Removes all whitespace from passed in string"""
return re.sub(r"\s+", "", text)
else:
def remove_whitespace(text):
"""Removes all whitespace from passed in string"""
return re.sub(r"\s+", "", text, flags=re.UNICODE)
else:
if sys.version_info < (3, 4):
# on python 3.3 hmac.hmac.update() accepts only bytes, on newer
# versions it does accept memoryview() also
def hmac_compat(data):
if not isinstance(data, bytes):
return bytes(data)
return data
else:
def hmac_compat(data):
return data
def normalise_bytes(buffer_object):
"""Cast the input into array of bytes."""
return memoryview(buffer_object).cast("B")
def remove_whitespace(text):
"""Removes all whitespace from passed in string"""
return re.sub(r"\s+", "", text, flags=re.UNICODE)
|