aboutsummaryrefslogtreecommitdiffstats
path: root/python/itsdangerous/encoding.py
diff options
context:
space:
mode:
Diffstat (limited to 'python/itsdangerous/encoding.py')
-rw-r--r--python/itsdangerous/encoding.py49
1 files changed, 0 insertions, 49 deletions
diff --git a/python/itsdangerous/encoding.py b/python/itsdangerous/encoding.py
deleted file mode 100644
index 1e28969..0000000
--- a/python/itsdangerous/encoding.py
+++ /dev/null
@@ -1,49 +0,0 @@
-import base64
-import string
-import struct
-
-from ._compat import text_type
-from .exc import BadData
-
-
-def want_bytes(s, encoding="utf-8", errors="strict"):
- if isinstance(s, text_type):
- s = s.encode(encoding, errors)
- return s
-
-
-def base64_encode(string):
- """Base64 encode a string of bytes or text. The resulting bytes are
- safe to use in URLs.
- """
- string = want_bytes(string)
- return base64.urlsafe_b64encode(string).rstrip(b"=")
-
-
-def base64_decode(string):
- """Base64 decode a URL-safe string of bytes or text. The result is
- bytes.
- """
- string = want_bytes(string, encoding="ascii", errors="ignore")
- string += b"=" * (-len(string) % 4)
-
- try:
- return base64.urlsafe_b64decode(string)
- except (TypeError, ValueError):
- raise BadData("Invalid base64-encoded data")
-
-
-# The alphabet used by base64.urlsafe_*
-_base64_alphabet = (string.ascii_letters + string.digits + "-_=").encode("ascii")
-
-_int64_struct = struct.Struct(">Q")
-_int_to_bytes = _int64_struct.pack
-_bytes_to_int = _int64_struct.unpack
-
-
-def int_to_bytes(num):
- return _int_to_bytes(num).lstrip(b"\x00")
-
-
-def bytes_to_int(bytestr):
- return _bytes_to_int(bytestr.rjust(8, b"\x00"))[0]