added docstrings to frames.

src/dailyai/pipeline/frames.py

@@ -17,14 +17,23 @@ class ControlFrame(Frame):
 
 
 class StartFrame(ControlFrame):
+    """Used (but not required) to start a pipeline, and is also used to
+    indicate that an interruption has ended and the transport should start
+    processing frames again."""
     pass
 
 
 class EndFrame(ControlFrame):
+    """Indicates that a pipeline has ended and frame processors and pipelines
+    should be shut down. If the transport receives this frame, it will stop
+    sending frames to its output channel(s) and close all its threads."""
     pass
 
 
 class EndPipeFrame(ControlFrame):
+    """Indicates that a pipeline has ended but that the transport should
+    continue processing. This frame is used in parallel pipelines and other
+    sub-pipelines."""
     pass
 
 
@@ -39,15 +48,20 @@ class PipelineStartedFrame(ControlFrame):
 
 
 class LLMResponseStartFrame(ControlFrame):
+    """Used to indicate the beginning of an LLM response. Following TextFrames
+    are part of the LLM response until an LLMResponseEndFrame"""
     pass
 
 
 class LLMResponseEndFrame(ControlFrame):
+    """Indicates the end of an LLM response."""
     pass
 
 
 @dataclass()
 class AudioFrame(Frame):
+    """A chunk of audio. Will be played by the transport if the transport's mic
+    has been enabled."""
     data: bytes
 
     def __str__(self):
@@ -56,6 +70,8 @@ class AudioFrame(Frame):
 
 @dataclass()
 class ImageFrame(Frame):
+    """An image. Will be shown by the transport if the transport's camera is
+    enabled."""
     url: str | None
     image: bytes
 
@@ -65,14 +81,19 @@ class ImageFrame(Frame):
 
 @dataclass()
 class SpriteFrame(Frame):
+    """An animated sprite. Will be shown by the transport if the transport's
+    camera is enabled. Will play at the framerate specified in the transport's
+    `fps` constructor parameter."""
     images: list[bytes]
 
     def __str__(self):
-        return f"{self.__class__.name__}, list size: {len(self.images)}"
+        return f"{self.__class__.__name__}, list size: {len(self.images)}"
 
 
 @dataclass()
 class TextFrame(Frame):
+    """A chunk of text. Emitted by LLM services, consumed by TTS services, can
+    be used to send text through pipelines."""
     text: str
 
     def __str__(self):
@@ -81,17 +102,27 @@ class TextFrame(Frame):
 
 @dataclass()
 class TranscriptionQueueFrame(TextFrame):
+    """A text frame with transcription-specific data. Will be placed in the
+    transport's receive queue when a participant speaks."""
     participantId: str
     timestamp: str
 
 
 @dataclass()
 class LLMMessagesQueueFrame(Frame):
+    """A frame containing a list of LLM messages. Used to signal that an LLM
+    service should run a chat completion and emit an LLMStartFrames, TextFrames
+    and an LLMEndFrame.
+    Note that the messages property on this class is mutable, and will be
+    be updated by various ResponseAggregator frame processors."""
     messages: List[dict]
 
 
 @dataclass()
 class OpenAILLMContextFrame(Frame):
+    """Like an LLMMessagesQueueFrame, but with extra context specific to the
+    OpenAI API. The context in this message is also mutable, and will be
+    changed by the OpenAIContextAggregator frame processor."""
     context: OpenAILLMContext
 
 
@@ -101,10 +132,15 @@ class AppMessageQueueFrame(Frame):
 
 
 class UserStartedSpeakingFrame(Frame):
+    """Emitted by VAD to indicate that a participant has started speaking.
+    This can be used for interruptions or other times when detecting that
+    someone is speaking is more important than knowing what they're saying
+    (as you will with a TranscriptionFrame)"""
     pass
 
 
 class UserStoppedSpeakingFrame(Frame):
+    """Emitted by the VAD to indicate that a user stopped speaking."""
     pass
 
 
@@ -118,10 +154,15 @@ class BotStoppedSpeakingFrame(Frame):
 
 @dataclass()
 class LLMFunctionStartFrame(Frame):
+    """Emitted when the LLM receives the beginngin of a function call
+    completion. A frame processor can use this frame to indicate that it should
+    start preparing to make a function call, if it can do so in the absence of
+    any arguments."""
     function_name: str
 
 
 @dataclass()
 class LLMFunctionCallFrame(Frame):
+    """Emitted when the LLM has received an entire function call completions."""
     function_name: str
     arguments: str