Python3 Migrate

venv/lib/python3.7/site-packages/mopidy/internal/deprecation.py

@@ -0,0 +1,52 @@
+import contextlib
+import re
+import warnings
+
+# Messages used in deprecation warnings are collected here so we can target
+# them easily when ignoring warnings.
+_MESSAGES = {
+    # Deprecated features in core playback:
+    "core.playback.play:tl_track_kwargs": (
+        'playback.play() with "tl_track" argument is pending deprecation use '
+        '"tlid" instead'
+    ),
+    # Deprecated features in core tracklist:
+    "core.tracklist.add:tracks_arg": (
+        'tracklist.add() "tracks" argument is deprecated'
+    ),
+    "core.tracklist.eot_track": (
+        "tracklist.eot_track() is pending deprecation, use "
+        "tracklist.get_eot_tlid()"
+    ),
+    "core.tracklist.next_track": (
+        "tracklist.next_track() is pending deprecation, use "
+        "tracklist.get_next_tlid()"
+    ),
+    "core.tracklist.previous_track": (
+        "tracklist.previous_track() is pending deprecation, use "
+        "tracklist.get_previous_tlid()"
+    ),
+}
+
+
+def warn(msg_id, pending=False):
+    if pending:
+        category = PendingDeprecationWarning
+    else:
+        category = DeprecationWarning
+    warnings.warn(_MESSAGES.get(msg_id, msg_id), category)
+
+
+@contextlib.contextmanager
+def ignore(ids=None):
+    with warnings.catch_warnings():
+        if isinstance(ids, str):
+            ids = [ids]
+
+        if ids:
+            for msg_id in ids:
+                msg = re.escape(_MESSAGES.get(msg_id, msg_id))
+                warnings.filterwarnings("ignore", msg, DeprecationWarning)
+        else:
+            warnings.filterwarnings("ignore", category=DeprecationWarning)
+        yield