add audio-only download (closes #20)

Pipfile.lock

@@ -209,21 +209,21 @@
         },
         "youtube-dl": {
             "hashes": [
-                "sha256:adcdec2b72ab7b68cd50a4d1e6581173353bcd6f0be175824a4b72ae890d9ae7",
-                "sha256:e8f3074267547bb11b84a6239937bc8c0a6d19419b852eff4e405d62a4f4bf94"
+                "sha256:02432aa2dd0e859e64d74fca2ad624abf3bead3dba811d594100e1cb7897dce7",
+                "sha256:28663ce51bb35d0a0fa764aed3492b38c570da0a5a62fef3c28f4431522a6d4a"
             ],
             "index": "pypi",
-            "version": "==2021.2.22"
+            "version": "==2021.3.3"
         }
     },
     "develop": {
         "astroid": {
             "hashes": [
-                "sha256:87ae7f2398b8a0ae5638ddecf9987f081b756e0e9fc071aeebdca525671fc4dc",
-                "sha256:b31c92f545517dcc452f284bc9c044050862fbe6d93d2b3de4a215a6b384bf0d"
+                "sha256:21d735aab248253531bb0f1e1e6d068f0ee23533e18ae8a6171ff892b98297cf",
+                "sha256:cfc35498ee64017be059ceffab0a25bedf7548ab76f2bea691c5565896e7128d"
             ],
             "markers": "python_version >= '3.6'",
-            "version": "==2.5.0"
+            "version": "==2.5.1"
         },
         "isort": {
             "hashes": [
@@ -272,11 +272,11 @@
         },
         "pylint": {
             "hashes": [
-                "sha256:81ce108f6342421169ea039ff1f528208c99d2e5a9c4ca95cfc5291be6dfd982",
-                "sha256:a251b238db462b71d25948f940568bb5b3ae0e37dbaa05e10523f54f83e6cc7e"
+                "sha256:0e21d3b80b96740909d77206d741aa3ce0b06b41be375d92e1f3244a274c1f8a",
+                "sha256:d09b0b07ba06bcdff463958f53f23df25e740ecd81895f7d2699ec04bbd8dc3b"
             ],
             "index": "pypi",
-            "version": "==2.7.1"
+            "version": "==2.7.2"
         },
         "toml": {
             "hashes": [

app/ytdl.py

@@ -38,7 +38,9 @@ class Download:
             self.format = None
         elif quality in ('1440p', '1080p', '720p', '480p'):
             res = quality[:-1]
-            self.format = f'bestvideo[height<={res}]+bestaudio/best[height<={res}]'
+            self.format = f'bestvideo[height<={res}]+bestaudio'
+        elif quality == 'audio':
+            self.format = 'bestaudio'
         elif quality.startswith('custom:'):
             self.format = quality[7:]
         else:

ui/src/app/app.component.ts

@@ -16,7 +16,8 @@ export class AppComponent implements AfterViewInit {
     {id: "1440p", text: "1440p"},
     {id: "1080p", text: "1080p"},
     {id: "720p", text: "720p"},
-    {id: "480p", text: "480p"}
+    {id: "480p", text: "480p"},
+    {id: "audio", text: "Audio only"}
   ];
   quality: string = "best";
   addInProgress = false;