wehub-resource-sync
66 lines
1.8 KiB
Python
66 lines
1.8 KiB
Python
"""V009 - persist assistant reasoning content for DeepSeek replay.
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DeepSeek thinking mode requires prior assistant ``reasoning_content`` to be
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passed back on later turns. The transcript table therefore needs an optional
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text column so the runtime can preserve that provider-specific replay state.
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"""
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from __future__ import annotations
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from yoyo import step
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__depends__: set[str] = {"V008__scheduler_job_tool_policy"}
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TABLE = "transcript_entries"
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COLUMN = "reasoning_content"
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ADD_COLUMN_DDL = f"ALTER TABLE {TABLE} ADD COLUMN {COLUMN} TEXT"
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DROP_COLUMN_DDL = f"ALTER TABLE {TABLE} DROP COLUMN {COLUMN}"
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def _table_exists(conn, table: str) -> bool:
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cur = conn.cursor()
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cur.execute(
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"SELECT 1 FROM sqlite_master WHERE type='table' AND name=?",
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(table,),
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)
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return cur.fetchone() is not None
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def _has_column(conn, table: str, column: str) -> bool:
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cur = conn.cursor()
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cur.execute(f"PRAGMA table_info({table})")
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return any(row[1] == column for row in cur.fetchall())
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def _sqlite_version(conn) -> tuple[int, int, int]:
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cur = conn.cursor()
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cur.execute("SELECT sqlite_version()")
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raw = cur.fetchone()[0]
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parts = raw.split(".")
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while len(parts) < 3:
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parts.append("0")
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return (int(parts[0]), int(parts[1]), int(parts[2]))
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def apply_step(conn) -> None:
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if not _table_exists(conn, TABLE):
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return
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if _has_column(conn, TABLE, COLUMN):
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return
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cur = conn.cursor()
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cur.execute(ADD_COLUMN_DDL)
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def rollback_step(conn) -> None:
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if not _table_exists(conn, TABLE):
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return
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if not _has_column(conn, TABLE, COLUMN):
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return
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if _sqlite_version(conn) < (3, 35, 0):
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return
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cur = conn.cursor()
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cur.execute(DROP_COLUMN_DDL)
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steps = [step(apply_step, rollback_step)]
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