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Name	Size	Permission
__pycache__	[ DIR ]	drwxr-xr-x
contrib	[ DIR ]	drwxr-xr-x
__init__.py	810 B	-rw-r--r--
__main__.py	4.23 KB	-rw-r--r--
algorithms.py	13.02 KB	-rw-r--r--
api_jws.py	7.93 KB	-rw-r--r--
api_jwt.py	7.74 KB	-rw-r--r--
compat.py	1.41 KB	-rw-r--r--
exceptions.py	986 B	-rw-r--r--
help.py	1.57 KB	-rw-r--r--
utils.py	2.57 KB	-rw-r--r--

Code Editor : compat.py

"""
The `compat` module provides support for backwards compatibility with older
versions of python, and compatibility wrappers around optional packages.
"""
# flake8: noqa
import hmac
import struct
import sys

PY3 = sys.version_info[0] == 3

if PY3:
    text_type = str
    binary_type = bytes
else:
    text_type = unicode
    binary_type = str

string_types = (text_type, binary_type)

try:
    constant_time_compare = hmac.compare_digest
except AttributeError:
    # Fallback for Python < 2.7
    def constant_time_compare(val1, val2):
        """
        Returns True if the two strings are equal, False otherwise.

The time taken is independent of the number of characters that match.
        """
        if len(val1) != len(val2):
            return False

result = 0

for x, y in zip(val1, val2):
            result |= ord(x) ^ ord(y)

return result == 0

# Use int.to_bytes if it exists (Python 3)
if getattr(int, 'to_bytes', None):
    def bytes_from_int(val):
        remaining = val
        byte_length = 0

while remaining != 0:
            remaining = remaining >> 8
            byte_length += 1

return val.to_bytes(byte_length, 'big', signed=False)
else:
    def bytes_from_int(val):
        buf = []
        while val:
            val, remainder = divmod(val, 256)
            buf.append(remainder)

buf.reverse()
        return struct.pack('%sB' % len(buf), *buf)

${this.title}

Code Editor : compat.py