[utils] Merge base_n functions

This commit is contained in:
Yen Chi Hsuan 2016-02-26 14:37:20 +08:00
parent 8f4a2124a9
commit 59f898b7a7
3 changed files with 11 additions and 13 deletions

View File

@ -18,7 +18,7 @@
compat_urllib_parse_urlparse,
)
from ..utils import (
base62,
base_n,
ExtractorError,
ohdave_rsa_encrypt,
remove_start,
@ -143,7 +143,7 @@ def decode_eval_codes(self):
while count:
count -= 1
b62count = base62(count)
b62count = base_n(count, 62)
symbol_table[b62count] = symbols[count] or b62count
self.sdk_code = re.sub(

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@ -5,7 +5,7 @@
from .jwplatform import JWPlatformBaseIE
from ..utils import (
base36,
base_n,
js_to_json,
)
@ -42,7 +42,7 @@ def _real_extract(self, url):
while count:
count -= 1
if symbols[count]:
code = re.sub(r'\b%s\b' % base36(count), symbols[count], code)
code = re.sub(r'\b%s\b' % base_n(count, 36), symbols[count], code)
code = code.replace('\\\'', '\'')
jwplayer_data = self._parse_json(

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@ -2621,19 +2621,17 @@ def ohdave_rsa_encrypt(data, exponent, modulus):
return '%x' % encrypted
def base_n(num, n, table):
def base_n(num, n, table=None):
if num == 0:
return '0'
FULL_TABLE = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'
assert n <= len(FULL_TABLE)
if not table:
table = FULL_TABLE[:n]
ret = ''
while num:
ret = table[num % n] + ret
num = num // n
return ret
def base36(num):
return base_n(num, 36, '0123456789abcdefghijklmnopqrstuvwxyz')
def base62(num):
return base_n(num, 62, '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ')