b6ee7182de
- Adding Prometheus metrics to the business events - Ensure asynchronous behaviour of crewai specialists. - Adapt Business events to working in mixed synchronous / asynchronous contexts - Extend business events with specialist information - Started adding a grafana dashboard (TBC)
52 lines
1.6 KiB
Python
52 lines
1.6 KiB
Python
from werkzeug.local import LocalProxy, LocalStack
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import asyncio
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from contextvars import ContextVar
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import contextvars
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# Keep existing stack for backward compatibility
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_business_event_stack = LocalStack()
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# Add contextvar for async support
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_business_event_contextvar = ContextVar('business_event', default=None)
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def _get_current_event():
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# Try contextvar first (for async)
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event = _business_event_contextvar.get()
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if event is not None:
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return event
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# Fall back to the stack-based approach (for sync)
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top = _business_event_stack.top
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if top is None:
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raise RuntimeError("No business event context found. Are you sure you're in a business event?")
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return top
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current_event = LocalProxy(_get_current_event)
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class BusinessEventContext:
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def __init__(self, event):
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self.event = event
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self._token = None # For storing contextvar token
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def __enter__(self):
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_business_event_stack.push(self.event)
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self._token = _business_event_contextvar.set(self.event)
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return self.event
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def __exit__(self, exc_type, exc_val, exc_tb):
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_business_event_stack.pop()
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if self._token is not None:
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_business_event_contextvar.reset(self._token)
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async def __aenter__(self):
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_business_event_stack.push(self.event)
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self._token = _business_event_contextvar.set(self.event)
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return self.event
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async def __aexit__(self, exc_type, exc_val, exc_tb):
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_business_event_stack.pop()
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if self._token is not None:
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_business_event_contextvar.reset(self._token) |