Use TypedDict for voice list and TTS stream (#320)

Signed-off-by: rany <rany2@riseup.net>

src/edge_tts/typing.py

@@ -0,0 +1,84 @@
+"""Custom types for edge-tts."""
+
+# pylint: disable=too-few-public-methods
+
+from typing import List
+
+from typing_extensions import Literal, NotRequired, TypedDict
+
+
+class TTSChunk(TypedDict):
+    """TTS chunk data."""
+
+    type: Literal["audio", "WordBoundary"]
+    data: NotRequired[bytes]  # only for audio
+    duration: NotRequired[float]  # only for WordBoundary
+    offset: NotRequired[float]  # only for WordBoundary
+    text: NotRequired[str]  # only for WordBoundary
+
+
+class VoiceTag(TypedDict):
+    """VoiceTag data."""
+
+    ContentCategories: List[
+        Literal[
+            "Cartoon",
+            "Conversation",
+            "Copilot",
+            "Dialect",
+            "General",
+            "News",
+            "Novel",
+            "Sports",
+        ]
+    ]
+    VoicePersonalities: List[
+        Literal[
+            "Approachable",
+            "Authentic",
+            "Authority",
+            "Bright",
+            "Caring",
+            "Casual",
+            "Cheerful",
+            "Clear",
+            "Comfort",
+            "Confident",
+            "Considerate",
+            "Conversational",
+            "Cute",
+            "Expressive",
+            "Friendly",
+            "Honest",
+            "Humorous",
+            "Lively",
+            "Passion",
+            "Pleasant",
+            "Positive",
+            "Professional",
+            "Rational",
+            "Reliable",
+            "Sincere",
+            "Sunshine",
+            "Warm",
+        ]
+    ]
+
+
+class Voice(TypedDict):
+    """Voice data."""
+
+    Name: str
+    ShortName: str
+    Gender: Literal["Female", "Male"]
+    Locale: str
+    SuggestedCodec: Literal["audio-24khz-48kbitrate-mono-mp3"]
+    FriendlyName: str
+    Status: Literal["GA"]
+    VoiceTag: VoiceTag
+
+
+class VoiceManagerVoice(Voice):
+    """Voice data for VoiceManager."""
+
+    Language: str