initial commit with counter and count playlist function

.gitignore

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+venv
+env
+__pycache__
+*.csv
+.idea
+.spot
+.fm
+
+scratch.py

README.md

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+spotfm
+=============
+
+utility functions sitting on top of [spotframework](https://github.com/Sarsoo/spotframework) and [fmframework](https://github.com/Sarsoo/pyspotframework)

spotfm/__init__.py

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+import logging
+
+logger = logging.getLogger(__name__)
+logger.setLevel('DEBUG')

spotfm/maths/counter.py

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+from spotframework.net.network import Network as SpotifyNetwork
+from spotframework.model.playlist import SpotifyPlaylist
+from spotframework.model.track import SpotifyTrack
+from spotframework.model.uri import Uri
+
+from fmframework.net.network import Network as FMNetwork
+
+import logging
+
+logger = logging.getLogger(__name__)
+
+
+class Counter:
+    def __init__(self,
+                 spotnet: SpotifyNetwork,
+                 fmnet: FMNetwork):
+        self.spotnet = spotnet
+        self.fmnet = fmnet
+
+    def count(self, uri: Uri):
+        if uri.object_type == Uri.ObjectType.playlist:
+            return self.count_playlist(uri=uri)
+        else:
+            logger.error('cannot process uri')
+
+    def count_playlist(self, username: str = None, uri: Uri = None, playlist: SpotifyPlaylist = None):
+
+        if uri is None and playlist is None:
+            raise ValueError('no input playlist to count')
+
+        if playlist is not None:
+            if playlist.has_tracks() is False:
+                playlist.tracks = self.spotnet.get_playlist_tracks(uri=playlist.uri)
+
+        if uri is not None:
+            playlist = self.spotnet.get_playlist(uri=uri)
+
+        scrobble_count = 0
+
+        tracks = []
+        for song in playlist.tracks:
+            if isinstance(song, SpotifyTrack):
+                if song.uri not in [i.uri for i in tracks]:
+                    tracks.append(song)
+
+        for song in tracks:
+            if username is not None:
+                fm_track = self.fmnet.get_track(name=song.name,
+                                                artist=song.artists[0].name,
+                                                username=username)
+            else:
+                fm_track = self.fmnet.get_track(name=song.name,
+                                                artist=song.artists[0].name,
+                                                username=self.fmnet.username)
+
+            if fm_track:
+                scrobble_count += fm_track.user_scrobbles
+            else:
+                logger.error(f'no last.fm track returned for {song}')
+
+        return scrobble_count