add author property (thanks DmitryBurnaev)

pytube/__main__.py

@@ -319,6 +319,17 @@ class YouTube(object):
             .get("viewCount")
         )
 
+    @property
+    def author(self) -> str:
+        """Get the video author.
+        :rtype: str
+        """
+        return (
+            self.player_config_args.get("player_response", {})
+            .get("videoDetails", {})
+            .get("author", "unknown")
+        )
+
     def register_on_progress_callback(self, func):
         """Register a download progress callback function post initialization.
 

tests/test_streams.py

@@ -95,6 +95,18 @@ def test_on_complete_hook(cipher_signature, mocker):
     assert callback_fn.called
 
 
+def test_author(cipher_signature):
+    expected = "Test author"
+    cipher_signature.player_config_args = {
+        "player_response": {"videoDetails": {"author": expected}}
+    }
+    assert cipher_signature.author == expected
+
+    expected = "unknown"
+    cipher_signature.player_config_args = {}
+    assert cipher_signature.author == expected
+
+
 @pytest.mark.skip
 def test_repr_for_audio_streams(cipher_signature):
     stream = str(cipher_signature.streams.filter(only_audio=True).first())