[cleanup] Misc cleanup (#2173)

[yt-dlp.git] / yt_dlp / extractor / abematv.py

diff --git a/yt_dlp/extractor/abematv.py b/yt_dlp/extractor/abematv.py
index c7db0547519d741c616456c7e9a9ab8d796d43f8..1b9deeae84f09ead8b895258b254df64d6f1d1fc 100644 (file)
--- a/yt_dlp/extractor/abematv.py
+++ b/yt_dlp/extractor/abematv.py
@@ -1,37 +1,34 @@
-import io
-import json
-import time
+import base64
+import binascii
 import hashlib
 import hmac
+import io
+import json
 import re
 import struct
+import time
 import urllib.response
 import uuid
-from base64 import urlsafe_b64encode
-from binascii import unhexlify
 
 from .common import InfoExtractor
 from ..aes import aes_ecb_decrypt
-from ..compat import (
-    compat_urllib_parse_urlparse,
-    compat_urllib_request,
-)
+from ..compat import compat_urllib_parse_urlparse, compat_urllib_request
 from ..utils import (
     ExtractorError,
+    bytes_to_intlist,
     decode_base,
     int_or_none,
+    intlist_to_bytes,
     request_to_url,
     time_seconds,
-    update_url_query,
     traverse_obj,
-    intlist_to_bytes,
-    bytes_to_intlist,
+    update_url_query,
     urljoin,
 )
 
-
 # NOTE: network handler related code is temporary thing until network stack overhaul PRs are merged (#2861/#2862)
 
+
 def add_opener(ydl, handler):
     ''' Add a handler for opening URLs, like _download_webpage '''
     # https://github.com/python/cpython/blob/main/Lib/urllib/request.py#L426
@@ -130,7 +127,7 @@ def _get_videokey_from_ticket(self, ticket):
         encvideokey = bytes_to_intlist(struct.pack('>QQ', res >> 64, res & 0xffffffffffffffff))
 
         h = hmac.new(
-            unhexlify(self.HKEY),
+            binascii.unhexlify(self.HKEY),
             (license_response['cid'] + self.ie._DEVICE_ID).encode('utf-8'),
             digestmod=hashlib.sha256)
         enckey = bytes_to_intlist(h.digest())
@@ -238,7 +235,7 @@ def mix_tmp(count):
 
         def mix_twist(nonce):
             nonlocal tmp
-            mix_once(urlsafe_b64encode(tmp).rstrip(b'=') + nonce)
+            mix_once(base64.urlsafe_b64encode(tmp).rstrip(b'=') + nonce)
 
         mix_once(self._SECRETKEY)
         mix_tmp(time_struct.tm_mon)
@@ -247,7 +244,7 @@ def mix_twist(nonce):
         mix_twist(ts_1hour_str)
         mix_tmp(time_struct.tm_hour % 5)
 
-        return urlsafe_b64encode(tmp).rstrip(b'=').decode('utf-8')
+        return base64.urlsafe_b64encode(tmp).rstrip(b'=').decode('utf-8')
 
     def _get_device_token(self):
         if self._USERTOKEN: