Function calling (#175)

* added function calling code back

* removed old llm_context file

* added integration testing for openai

* added function calling example

* added function callbacks

* added function start callback

* fixup

* fixup

* added different return type support for function calling

* intake example working

* added frame loggers

* cleanup

* fixup

* Update openai.py

* removed function call frame types

* fixup

* re-added example

* renumbered wake phrase

* fixup for autopep8

* remove unused imports

src/pipecat/processors/logger.py

@@ -6,17 +6,22 @@
 
 from pipecat.frames.frames import Frame
 from pipecat.processors.frame_processor import FrameDirection, FrameProcessor
+from loguru import logger
+from typing import Optional
+logger = logger.opt(ansi=True)
 
 
 class FrameLogger(FrameProcessor):
-    def __init__(self, prefix="Frame"):
+    def __init__(self, prefix="Frame", color: Optional[str] = None):
         super().__init__()
         self._prefix = prefix
+        self._color = color
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
-        match direction:
-            case FrameDirection.UPSTREAM:
-                print(f"< {self._prefix}: {frame}")
-            case FrameDirection.DOWNSTREAM:
-                print(f"> {self._prefix}: {frame}")
+        dir = "<" if direction is FrameDirection.UPSTREAM else ">"
+        msg = f"{dir} {self._prefix}: {frame}"
+        if self._color:
+            msg = f"<{self._color}>{msg}</>"
+        logger.debug(msg)
+
         await self.push_frame(frame, direction)