[dt] replace 'datetime' imports

gallery_dl/extractor/common.py

@@ -19,7 +19,6 @@ import getpass
 import logging
 import requests
 import threading
-from datetime import datetime
 from xml.etree import ElementTree
 from requests.adapters import HTTPAdapter
 from .message import Message
@@ -313,7 +312,7 @@ class Extractor():
             seconds = float(seconds)
             until = now + seconds
         elif until:
-            if isinstance(until, datetime):
+            if isinstance(until, dt.datetime):
                 # convert to UTC timestamp
                 until = dt.to_ts(until)
             else:
@@ -327,7 +326,7 @@ class Extractor():
             return
 
         if reason:
-            t = datetime.fromtimestamp(until).time()
+            t = dt.datetime.fromtimestamp(until).time()
             isotime = f"{t.hour:02}:{t.minute:02}:{t.second:02}"
             self.log.info("Waiting until %s (%s)", isotime, reason)
         time.sleep(seconds)
@@ -652,7 +651,7 @@ class Extractor():
                     self.log.warning(
                         "cookies: %s/%s expired at %s",
                         cookie.domain.lstrip("."), cookie.name,
-                        datetime.fromtimestamp(cookie.expires))
+                        dt.datetime.fromtimestamp(cookie.expires))
                     continue
 
                 elif diff <= 86400:
@@ -694,7 +693,7 @@ class Extractor():
             ts = self.config(key, default)
             if isinstance(ts, str):
                 try:
-                    ts = int(datetime.strptime(ts, fmt).timestamp())
+                    ts = int(dt.parse(ts, fmt).timestamp())
                 except ValueError as exc:
                     self.log.warning("Unable to parse '%s': %s", key, exc)
                     ts = default