Merge pull request #1811 from pipecat-ai/mb/dont-require-tracing-dep

Fix: Resolve an issue where tracing imports were required

src/pipecat/utils/tracing/class_decorators.py

@@ -18,10 +18,10 @@ import functools
 import inspect
 from typing import Callable, Optional, TypeVar
 
-from pipecat.utils.tracing.setup import OPENTELEMETRY_AVAILABLE
+from pipecat.utils.tracing.setup import is_tracing_available
 
 # Import OpenTelemetry if available
-if OPENTELEMETRY_AVAILABLE:
+if is_tracing_available():
     import opentelemetry.trace
     from opentelemetry import metrics, trace
 
@@ -59,7 +59,7 @@ class Traceable:
         """
         super().__init__(**kwargs)
 
-        if not OPENTELEMETRY_AVAILABLE:
+        if not is_tracing_available():
             self._tracer = self._meter = self._parent_span_id = self._span = None
             return
 
@@ -177,7 +177,7 @@ def traced(
         RuntimeError: If used in a class not inheriting from Traceable.
         ValueError: If used on a non-async function.
     """
-    if not OPENTELEMETRY_AVAILABLE:
+    if not is_tracing_available():
         # Just return the original function or a simple decorator
         def decorator(f):
             return f
@@ -204,7 +204,7 @@ def traceable(cls: C) -> C:
     Returns:
         A new class with tracing capabilities.
     """
-    if not OPENTELEMETRY_AVAILABLE:
+    if not is_tracing_available():
         return cls
 
     @functools.wraps(cls, updated=())

src/pipecat/utils/tracing/conversation_context_provider.py

@@ -5,7 +5,12 @@
 #
 
 import uuid
-from typing import Optional
+from typing import TYPE_CHECKING, Optional
+
+# Import types for type checking only
+if TYPE_CHECKING:
+    from opentelemetry.context import Context
+    from opentelemetry.trace import SpanContext
 
 from pipecat.utils.tracing.setup import is_tracing_available
 
@@ -22,7 +27,7 @@ class ConversationContextProvider:
     """
 
     _instance = None
-    _current_conversation_context: Optional[Context] = None
+    _current_conversation_context: Optional["Context"] = None
     _conversation_id: Optional[str] = None
 
     @classmethod
@@ -33,7 +38,7 @@ class ConversationContextProvider:
         return cls._instance
 
     def set_current_conversation_context(
-        self, span_context: Optional[SpanContext], conversation_id: Optional[str] = None
+        self, span_context: Optional["SpanContext"], conversation_id: Optional[str] = None
     ):
         """Set the current conversation context.
 
@@ -53,7 +58,7 @@ class ConversationContextProvider:
         else:
             self._current_conversation_context = None
 
-    def get_current_conversation_context(self) -> Optional[Context]:
+    def get_current_conversation_context(self) -> Optional["Context"]:
         """Get the OpenTelemetry context for the current conversation.
 
         Returns:
@@ -79,7 +84,7 @@ class ConversationContextProvider:
 
 
 # Create a simple helper function to get the current conversation context
-def get_current_conversation_context() -> Optional[Context]:
+def get_current_conversation_context() -> Optional["Context"]:
     """Get the OpenTelemetry context for the current conversation.
 
     Returns:

src/pipecat/utils/tracing/service_attributes.py

@@ -6,13 +6,20 @@
 
 """Functions for adding attributes to OpenTelemetry spans."""
 
-from typing import Any, Dict, Optional
+from typing import TYPE_CHECKING, Any, Dict, Optional
 
-from opentelemetry.trace import Span
+# Import for type checking only
+if TYPE_CHECKING:
+    from opentelemetry.trace import Span
+
+from pipecat.utils.tracing.setup import is_tracing_available
+
+if is_tracing_available():
+    from opentelemetry.trace import Span
 
 
 def add_tts_span_attributes(
-    span: Span,
+    span: "Span",
     service_name: str,
     model: str,
     voice_id: str,
@@ -66,7 +73,7 @@ def add_tts_span_attributes(
 
 
 def add_stt_span_attributes(
-    span: Span,
+    span: "Span",
     service_name: str,
     model: str,
     transcript: Optional[str] = None,
@@ -122,7 +129,7 @@ def add_stt_span_attributes(
 
 
 def add_llm_span_attributes(
-    span: Span,
+    span: "Span",
     service_name: str,
     model: str,
     stream: bool = True,

src/pipecat/utils/tracing/service_decorators.py

@@ -16,19 +16,25 @@ import functools
 import inspect
 import json
 import logging
-from typing import Callable, Optional, TypeVar
+from typing import TYPE_CHECKING, Callable, Optional, TypeVar
 
-from opentelemetry import context as context_api
-from opentelemetry import trace
+# Type imports for type checking only
+if TYPE_CHECKING:
+    from opentelemetry import context as context_api
+    from opentelemetry import trace
 
 from pipecat.utils.tracing.service_attributes import (
     add_llm_span_attributes,
     add_stt_span_attributes,
     add_tts_span_attributes,
 )
-from pipecat.utils.tracing.setup import OPENTELEMETRY_AVAILABLE, is_tracing_available
+from pipecat.utils.tracing.setup import is_tracing_available
 from pipecat.utils.tracing.turn_context_provider import get_current_turn_context
 
+if is_tracing_available():
+    from opentelemetry import context as context_api
+    from opentelemetry import trace
+
 T = TypeVar("T")
 R = TypeVar("R")
 
@@ -114,7 +120,7 @@ def traced_tts(func: Optional[Callable] = None, *, name: Optional[str] = None) -
     Returns:
         Wrapped method with TTS-specific tracing.
     """
-    if not OPENTELEMETRY_AVAILABLE:
+    if not is_tracing_available():
         return _noop_decorator if func is None else _noop_decorator(func)
 
     def decorator(f):
@@ -220,7 +226,7 @@ def traced_stt(func: Optional[Callable] = None, *, name: Optional[str] = None) -
     Returns:
         Wrapped method with STT-specific tracing.
     """
-    if not OPENTELEMETRY_AVAILABLE:
+    if not is_tracing_available():
         return _noop_decorator if func is None else _noop_decorator(func)
 
     def decorator(f):
@@ -296,7 +302,7 @@ def traced_llm(func: Optional[Callable] = None, *, name: Optional[str] = None) -
     Returns:
         Wrapped method with LLM-specific tracing.
     """
-    if not OPENTELEMETRY_AVAILABLE:
+    if not is_tracing_available():
         return _noop_decorator if func is None else _noop_decorator(func)
 
     def decorator(f):

src/pipecat/utils/tracing/turn_context_provider.py

@@ -4,7 +4,12 @@
 # SPDX-License-Identifier: BSD 2-Clause License
 #
 
-from typing import Optional
+from typing import TYPE_CHECKING, Optional
+
+# Import types for type checking only
+if TYPE_CHECKING:
+    from opentelemetry.context import Context
+    from opentelemetry.trace import SpanContext
 
 from pipecat.utils.tracing.setup import is_tracing_available
 
@@ -21,7 +26,7 @@ class TurnContextProvider:
     """
 
     _instance = None
-    _current_turn_context: Optional[Context] = None
+    _current_turn_context: Optional["Context"] = None
 
     @classmethod
     def get_instance(cls):
@@ -30,7 +35,7 @@ class TurnContextProvider:
             cls._instance = TurnContextProvider()
         return cls._instance
 
-    def set_current_turn_context(self, span_context: Optional[SpanContext]):
+    def set_current_turn_context(self, span_context: Optional["SpanContext"]):
         """Set the current turn context.
 
         Args:
@@ -46,7 +51,7 @@ class TurnContextProvider:
         else:
             self._current_turn_context = None
 
-    def get_current_turn_context(self) -> Optional[Context]:
+    def get_current_turn_context(self) -> Optional["Context"]:
         """Get the OpenTelemetry context for the current turn.
 
         Returns:
@@ -56,7 +61,7 @@ class TurnContextProvider:
 
 
 # Create a simple helper function to get the current turn context
-def get_current_turn_context() -> Optional[Context]:
+def get_current_turn_context() -> Optional["Context"]:
     """Get the OpenTelemetry context for the current turn.
 
     Returns:

src/pipecat/utils/tracing/turn_trace_observer.py

@@ -4,7 +4,7 @@
 # SPDX-License-Identifier: BSD 2-Clause License
 #
 
-from typing import Dict, Optional
+from typing import TYPE_CHECKING, Dict, Optional
 
 from loguru import logger
 
@@ -14,6 +14,10 @@ from pipecat.utils.tracing.conversation_context_provider import ConversationCont
 from pipecat.utils.tracing.setup import is_tracing_available
 from pipecat.utils.tracing.turn_context_provider import TurnContextProvider
 
+# Import types for type checking only
+if TYPE_CHECKING:
+    from opentelemetry.trace import Span, SpanContext
+
 if is_tracing_available():
     from opentelemetry import trace
     from opentelemetry.trace import Span, SpanContext
@@ -33,13 +37,13 @@ class TurnTraceObserver(BaseObserver):
     def __init__(self, turn_tracker: TurnTrackingObserver, conversation_id: Optional[str] = None):
         super().__init__()
         self._turn_tracker = turn_tracker
-        self._current_span: Optional[Span] = None
+        self._current_span: Optional["Span"] = None
         self._current_turn_number: int = 0
-        self._trace_context_map: Dict[int, SpanContext] = {}
+        self._trace_context_map: Dict[int, "SpanContext"] = {}
         self._tracer = trace.get_tracer("pipecat.turn") if is_tracing_available() else None
 
         # Conversation tracking properties
-        self._conversation_span: Optional[Span] = None
+        self._conversation_span: Optional["Span"] = None
         self._conversation_id = conversation_id
 
         if turn_tracker:
@@ -180,7 +184,7 @@ class TurnTraceObserver(BaseObserver):
 
             logger.debug(f"Ended tracing for Turn {turn_number}")
 
-    def get_current_turn_context(self) -> Optional[SpanContext]:
+    def get_current_turn_context(self) -> Optional["SpanContext"]:
         """Get the span context for the current turn.
 
         This can be used by services to create child spans.
@@ -190,7 +194,7 @@ class TurnTraceObserver(BaseObserver):
 
         return self._current_span.get_span_context()
 
-    def get_turn_context(self, turn_number: int) -> Optional[SpanContext]:
+    def get_turn_context(self, turn_number: int) -> Optional["SpanContext"]:
         """Get the span context for a specific turn.
 
         This can be used by services to create child spans.

test-requirements.txt

@@ -1 +1 @@
--e ".[anthropic,aws,google,langchain,tracing]"
+-e ".[anthropic,aws,google,langchain]"