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import threading
from typing import Protocol, TypeVar, Any, Callable
from wrapt import wrap_function_wrapper
from concurrent import futures
import aworld.trace as trace
from aworld.trace.base import TraceContext, Span
from aworld.trace.propagator import get_global_trace_context
from aworld.trace.instrumentation import Instrumentor
from aworld.trace.instrumentation.utils import unwrap
from aworld.logs.util import logger
R = TypeVar("R")
class HasTraceContext(Protocol):
_trace_context: TraceContext
class ThreadingInstrumentor(Instrumentor):
'''
Trace instrumentor for threading
'''
def instrumentation_dependencies(self) -> str:
return ()
def _instrument(self, **kwargs: Any):
self._instrument_thread()
self._instrument_timer()
self._instrument_thread_pool()
def _uninstrument(self, **kwargs: Any):
self._uninstrument_thread()
self._uninstrument_timer()
self._uninstrument_thread_pool()
@staticmethod
def _instrument_thread():
wrap_function_wrapper(
threading.Thread,
"start",
ThreadingInstrumentor.__wrap_threading_start,
)
wrap_function_wrapper(
threading.Thread,
"run",
ThreadingInstrumentor.__wrap_threading_run,
)
@staticmethod
def _instrument_timer():
wrap_function_wrapper(
threading.Timer,
"start",
ThreadingInstrumentor.__wrap_threading_start,
)
wrap_function_wrapper(
threading.Timer,
"run",
ThreadingInstrumentor.__wrap_threading_run,
)
@staticmethod
def _instrument_thread_pool():
wrap_function_wrapper(
futures.ThreadPoolExecutor,
"submit",
ThreadingInstrumentor.__wrap_thread_pool_submit,
)
@staticmethod
def _uninstrument_thread():
unwrap(threading.Thread, "start")
unwrap(threading.Thread, "run")
@staticmethod
def _uninstrument_timer():
unwrap(threading.Timer, "start")
unwrap(threading.Timer, "run")
@staticmethod
def _uninstrument_thread_pool():
unwrap(futures.ThreadPoolExecutor, "submit")
@staticmethod
def __wrap_threading_start(
call_wrapped: Callable[[], None],
instance: HasTraceContext,
args: tuple[()],
kwargs: dict[str, Any],
) -> None:
span: Span = trace.get_current_span()
if span:
instance._trace_context = TraceContext(
trace_id=span.get_trace_id(), span_id=span.get_span_id())
return call_wrapped(*args, **kwargs)
@staticmethod
def __wrap_threading_run(
call_wrapped: Callable[..., R],
instance: HasTraceContext,
args: tuple[Any, ...],
kwargs: dict[str, Any],
) -> R:
token = None
try:
if hasattr(instance, "_trace_context"):
if instance._trace_context:
token = get_global_trace_context().set(instance._trace_context)
return call_wrapped(*args, **kwargs)
finally:
if token:
get_global_trace_context().reset(token)
@staticmethod
def __wrap_thread_pool_submit(
call_wrapped: Callable[..., R],
instance: futures.ThreadPoolExecutor,
args: tuple[Callable[..., Any], ...],
kwargs: dict[str, Any],
) -> R:
# obtain the original function and wrapped kwargs
original_func = args[0]
trace_context = None
span: Span = trace.get_current_span()
if span and span.get_trace_id() != "":
trace_context = TraceContext(
trace_id=span.get_trace_id(), span_id=span.get_span_id())
def wrapped_func(*func_args: Any, **func_kwargs: Any) -> R:
token = None
try:
if trace_context:
token = get_global_trace_context().set(trace_context)
return original_func(*func_args, **func_kwargs)
finally:
if token:
get_global_trace_context().reset(token)
# replace the original function with the wrapped function
new_args: tuple[Callable[..., Any], ...] = (wrapped_func,) + args[1:]
return call_wrapped(*new_args, **kwargs)
def instrument_theading(**kwargs: Any) -> None:
ThreadingInstrumentor().instrument(**kwargs)
logger.info("Threading instrumented")
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