add alternatives for deprecated utc datetime functions

gallery_dl/extractor/8chan.py

@@ -9,9 +9,9 @@
 """Extractors for https://8chan.moe/"""
 
 from .common import Extractor, Message
-from .. import text
+from .. import text, util
 from ..cache import memcache
-from datetime import datetime, timedelta
+from datetime import timedelta
 import itertools
 
 BASE_PATTERN = r"(?:https?://)?8chan\.(moe|se|cc)"
@@ -34,14 +34,14 @@ class _8chanExtractor(Extractor):
     def cookies_prepare(self):
         # fetch captcha cookies
         # (necessary to download without getting interrupted)
-        now = datetime.utcnow()
+        now = util.datetime_utcnow()
         url = self.root + "/captcha.js"
         params = {"d": now.strftime("%a %b %d %Y %H:%M:%S GMT+0000 (UTC)")}
         self.request(url, params=params).content
 
         # adjust cookies
         # - remove 'expires' timestamp
-        # - move 'captchaexpiration' value forward by 1 month)
+        # - move 'captchaexpiration' value forward by 1 month
         domain = self.root.rpartition("/")[2]
         for cookie in self.cookies:
             if cookie.domain.endswith(domain):

gallery_dl/extractor/pixiv.py

@@ -448,7 +448,8 @@ class PixivRankingExtractor(PixivExtractor):
                 self.log.warning("invalid date '%s'", date)
                 date = None
         if not date:
-            date = (datetime.utcnow() - timedelta(days=1)).strftime("%Y-%m-%d")
+            now = util.datetime_utcnow()
+            date = (now - timedelta(days=1)).strftime("%Y-%m-%d")
         self.date = date
 
         return {"ranking": {
@@ -887,7 +888,7 @@ class PixivAppAPI():
             "get_secure_url": "1",
         }
 
-        time = datetime.utcnow().strftime("%Y-%m-%dT%H:%M:%S+00:00")
+        time = util.datetime_utcnow().strftime("%Y-%m-%dT%H:%M:%S+00:00")
         headers = {
             "X-Client-Time": time,
             "X-Client-Hash": hashlib.md5(