Files
dify/api/services/workflow_copilot/serde.py
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2026-08-23 01:29:17 -07:00

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2.9 KiB
Python

"""Pure JSON (de)serialization for the domain ``CopilotContext``.
``CopilotContext`` (see ``core.workflow_copilot.models``) is the per-session
working state persisted, one row per version, as the ``context`` JSONB
column on ``workflow_copilot_session_commits``. This module has no I/O and
no SQLAlchemy dependency -- it only converts between the dataclass and a
JSON-safe ``dict``, so the SQL repository can hand the dict straight to an
``AdjustedJSON`` column and get it back unchanged. The on-disk key names are
unchanged from the pre-rename dataclass form so existing rows deserialize
as-is.
"""
from dataclasses import asdict
from typing import Any
from core.workflow_copilot.models import (
ChangeSet,
ChecklistError,
CopilotContext,
Diagnosis,
MutationIntent,
Risk,
)
def context_to_dict(fc: CopilotContext) -> dict[str, Any]:
"""Serialize a ``CopilotContext`` to a JSON-safe dict.
``dataclasses.asdict`` recurses into the nested dataclasses
(``Diagnosis``, ``MutationIntent``, ``Risk``, ``ChangeSet``,
``ChecklistError``), turning each into a plain dict; every field is a
str/int/bool/list/dict/None -- so the result is JSON-safe as-is.
"""
return asdict(fc)
def context_from_dict(d: dict[str, Any]) -> CopilotContext:
"""Rebuild a ``CopilotContext`` from a dict produced by ``context_to_dict``.
Reconstructs the nested dataclasses explicitly (they are plain dicts
after a JSON round-trip). Every lookup is defensive (``.get`` with a
default matching the field default) so an older or partial dict still
yields a valid ``CopilotContext``.
"""
diagnosis = Diagnosis(**d["diagnosis"]) if d.get("diagnosis") else None
staged_repair = [MutationIntent(**m) for m in d.get("staged_repair", [])]
risk = Risk(**d["risk"]) if d.get("risk") else None
change_set = ChangeSet(**d["change_set"]) if d.get("change_set") else None
checklist_errors = [ChecklistError(**e) for e in d.get("checklist_errors", [])]
return CopilotContext(
failed_run_id=d.get("failed_run_id", ""),
diagnosis=diagnosis,
staged_repair=staged_repair,
risk=risk,
change_set=change_set,
checkpoint_id=d.get("checkpoint_id", ""),
verify_run_id=d.get("verify_run_id", ""),
test_input_ref=d.get("test_input_ref", ""),
last_snapshot_hash=d.get("last_snapshot_hash", ""),
next_seq=d.get("next_seq", 0),
source=d.get("source", ""),
checklist_errors=checklist_errors,
goal_text=d.get("goal_text", ""),
requirements=dict(d.get("requirements") or {}),
plan_items=list(d.get("plan_items") or []),
plan_version_tag=d.get("plan_version_tag", ""),
resource_selection=dict(d.get("resource_selection") or {}),
built_node_ids=list(d.get("built_node_ids") or []),
edit_rules=dict(d.get("edit_rules") or {}),
edit_target_node_ids=list(d.get("edit_target_node_ids") or []),
)