merge branch 'dt': move datetime utils into separate module

- use 'datetime.fromisoformat()' when possible (#7671)
- return a datetime-compatible object for invalid datetimes
  (instead of a 'str' value)

gallery_dl/extractor/twitter.py

@@ -362,11 +362,11 @@ class TwitterExtractor(Extractor):
 
         tweet_id = int(legacy["id_str"])
         if tweet_id >= 300000000000000:
-            date = text.parse_timestamp(
+            date = self.parse_timestamp(
                 ((tweet_id >> 22) + 1288834974657) // 1000)
         else:
             try:
-                date = text.parse_datetime(
+                date = self.parse_datetime(
                     legacy["created_at"], "%a %b %d %H:%M:%S %z %Y")
             except Exception:
                 date = util.NONE
@@ -454,7 +454,7 @@ class TwitterExtractor(Extractor):
                 tdata, legacy["extended_entities"]["media"][0])
         if tdata["retweet_id"]:
             tdata["content"] = f"RT @{author['name']}: {tdata['content']}"
-            tdata["date_original"] = text.parse_timestamp(
+            tdata["date_original"] = self.parse_timestamp(
                 ((tdata["retweet_id"] >> 22) + 1288834974657) // 1000)
 
         return tdata
@@ -491,7 +491,7 @@ class TwitterExtractor(Extractor):
             "id": text.parse_int(cid),
             "name": com.get("name"),
             "description": com.get("description"),
-            "date": text.parse_timestamp(com.get("created_at", 0) // 1000),
+            "date": self.parse_timestamp(com.get("created_at", 0) // 1000),
             "nsfw": com.get("is_nsfw"),
             "role": com.get("role"),
             "member_count": com.get("member_count"),
@@ -528,7 +528,7 @@ class TwitterExtractor(Extractor):
             "name"            : core.get("screen_name"),
             "nick"            : core.get("name"),
             "location"        : user["location"].get("location"),
-            "date"            : text.parse_datetime(
+            "date"            : self.parse_datetime(
                 core["created_at"], "%a %b %d %H:%M:%S %z %Y"),
             "verified"        : user["verification"]["verified"],
             "protected"       : user["privacy"]["protected"],
@@ -897,7 +897,7 @@ class TwitterBookmarkExtractor(TwitterExtractor):
 
     def _transform_tweet(self, tweet):
         tdata = TwitterExtractor._transform_tweet(self, tweet)
-        tdata["date_bookmarked"] = text.parse_timestamp(
+        tdata["date_bookmarked"] = self.parse_timestamp(
             (int(tweet["sortIndex"] or 0) >> 20) // 1000)
         return tdata