modules.youtube: add mode --all to dump all videos + minor cleanup

src/orger/modules/youtube.py

@@ -1,37 +1,51 @@
 #!/usr/bin/env python3
-from orger import Mirror
-from orger.inorganic import node, link
-from orger.common import dt_heading, error
-
-from my.media.youtube import watched
+from __future__ import annotations
 
 from itertools import groupby
 
+from orger import Mirror
+from orger.common import dt_heading, error
+from orger.inorganic import link, node
+
 
 class YoutubeView(Mirror):
+    @property
+    def mode(self) -> str:
+        assert self.cmdline_args is not None
+        return self.cmdline_args.mode
+
     def get_items(self) -> Mirror.Results:
+        from my.media.youtube import watched
+
         good = []
         for i in watched():
             if isinstance(i, Exception):
                 yield error(i)
             else:
                 good.append(i)
 
-        by_url  = lambda w: w.url
         by_when = lambda w: w.when
-        items = [
-            max(group, key=by_when)
-            for _, group in groupby(sorted(good, key=by_url), key=by_url)
-        ]
-        items = sorted(items, key=by_when)
-        # TODO for each url only take latest?
+        if self.mode == 'last':
+            by_url = lambda w: w.url
+            items = [
+                max(group, key=by_when)
+                for _, group in groupby(sorted(good, key=by_url), key=by_url)
+            ]
+        items = sorted(good, key=by_when)
         for item in items:
-            deleted = item.url == item.title # todo move to HPI?
+            deleted = item.url == item.title  # todo move to HPI?
             l = link(title=item.title + (' (DELETED)' if deleted else ''), url=item.url)
-            yield (item.url, node(
-                heading=dt_heading(item.when, l),
-            ))
+            yield (
+                item.url,
+                node(heading=dt_heading(item.when, l))
+            )
+
+
+def setup_parser(p) -> None:
+    p.add_argument(
+        '--mode', choices=['all', 'last'], default='last', help="'all' would dump all watch history, 'last' only last watch for each video"
+    )
 
 
 if __name__ == '__main__':
-    YoutubeView.main()
+    YoutubeView.main(setup_parser=setup_parser)