def str_to_int(int_str):
""" A more relaxed version of int_or_none """
- if int_str is None:
- return None
+ if not isinstance(int_str, compat_str):
+ return int_str
int_str = re.sub(r'[,\.\+]', '', int_str)
return int(int_str)
obfucasted_code)
+def caesar(s, alphabet, shift):
+ if shift == 0:
+ return s
+ l = len(alphabet)
+ return ''.join(
+ alphabet[(alphabet.index(c) + shift) % l] if c in alphabet else c
+ for c in s)
+
+
+def rot47(s):
+ return caesar(s, r'''!"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~''', 47)
+
+
def parse_m3u8_attributes(attrib):
info = {}
for (key, val) in re.findall(r'(?P<key>[A-Z0-9-]+)=(?P<val>"[^"]+"|[^",]+)(?:,|$)', attrib):