40 lines
1.4 KiB
Python
40 lines
1.4 KiB
Python
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"""
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This module intentionally imports NOTHING from the project (except
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src.constants which imports nothing from src). Adding a project import here
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will reintroduce the circular dependency that this module exists to break.
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"""
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from src.constants import MAX_OUTPUT_CHARS
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_mcp_manager = None
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# ---------------------------------------------------------------------------
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# MCP Manager singleton
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# ---------------------------------------------------------------------------
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def set_mcp_manager(manager):
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"""Set the global MCP manager instance."""
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global _mcp_manager
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_mcp_manager = manager
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def get_mcp_manager():
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"""Get the global MCP manager instance."""
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return _mcp_manager
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# ---------------------------------------------------------------------------
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# Helpers
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# ---------------------------------------------------------------------------
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def _truncate(text: str, limit: int = MAX_OUTPUT_CHARS) -> str:
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"""
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Truncate text to *limit* characters with a suffix note.
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Callers treat the result as text, so always return a string: coerce a
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non-string (None -> "", otherwise str(...)) instead of returning it raw,
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which would just move the crash downstream.
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"""
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if not isinstance(text, str):
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text = "" if text is None else str(text)
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if len(text) > limit:
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return text[:limit] + f"\n... (truncated, {len(text)} chars total)"
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return text
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