Automatically download converted models from the Hugging Face Hub (#70)

* Automatically download converted models from the Hugging Face Hub

* Remove unused import

* Remove non needed requirements in dev mode

* Remove extra index URL when pip install in CI

* Allow downloading to a specific directory

* Update docstring

* Add argument to disable the progess bars

* Fix typo in docstring

tests/test_transcribe.py

@@ -0,0 +1,25 @@
+from faster_whisper import WhisperModel
+
+
+def test_transcribe(jfk_path):
+    model = WhisperModel("tiny")
+    segments, info = model.transcribe(jfk_path, word_timestamps=True)
+
+    assert info.language == "en"
+    assert info.language_probability > 0.9
+    assert info.duration == 11
+
+    segments = list(segments)
+
+    assert len(segments) == 1
+
+    segment = segments[0]
+
+    assert segment.text == (
+        " And so my fellow Americans ask not what your country can do for you, "
+        "ask what you can do for your country."
+    )
+
+    assert segment.text == "".join(word.word for word in segment.words)
+    assert segment.start == segment.words[0].start
+    assert segment.end == segment.words[-1].end