35 lines
No EOL
1 KiB
Python
35 lines
No EOL
1 KiB
Python
# message_bus/thread.py
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from __future__ import annotations
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from typing import Optional
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from lxml import etree
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import uuid
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class Thread:
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"""
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Internal thread context used by MessageBus.
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Not part of the public API — do not import or instantiate directly.
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Exists in its own module only to keep MessageBus readable.
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"""
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def __init__(
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self,
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parent: Optional['Thread'] = None,
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thread_id: Optional[str] = None,
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metadata: Optional[dict] = None,
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):
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self.id = thread_id or str(uuid.uuid4())
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self.parent = parent
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self.depth = parent.depth + 1 if parent else 0
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self.buffer = bytearray()
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# noinspection PyTypeChecker
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self.parser = etree.XMLPullParser(events=("end",))
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self.active = True
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self.metadata = metadata or (parent.metadata.copy() if parent else {})
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# Optional: add __repr__ for debugging
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def __repr__(self) -> str:
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return f"<Thread {self.id[:8]} depth={self.depth} buf={len(self.buffer)}>" |