wjddn279 commented on code in PR #63871:
URL: https://github.com/apache/airflow/pull/63871#discussion_r3224968076
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airflow-core/src/airflow/serialization/helpers.py:
##########
@@ -19,87 +19,89 @@
from __future__ import annotations
import contextlib
+import inspect
from typing import TYPE_CHECKING, Any
from airflow._shared.module_loading import qualname
from airflow._shared.secrets_masker import redact
from airflow._shared.template_rendering import truncate_rendered_value
from airflow.configuration import conf
-from airflow.settings import json
if TYPE_CHECKING:
from airflow.partition_mappers.base import PartitionMapper
from airflow.timetables.base import Timetable as CoreTimetable
-def serialize_template_field(template_field: Any, name: str) -> str | dict |
list | int | float:
+def serialize_template_field(template_field: Any, name: str) -> str | dict |
list | int | float | bool:
"""
Return a serializable representation of the templated field.
- If ``templated_field`` is provided via a callable then
- return the following serialized value: ``<callable full_qualified_name>``
+ The walk has two responsibilities:
- If ``templated_field`` contains a class or instance that requires recursive
- templating, store them as strings. Otherwise simply return the field as-is.
+ 1. **Make the template_field JSON-encodable** — every container is rebuilt
+ with primitive leaves (str/int/float/bool/None), tuples and sets are
+ flattened to lists, and unsupported objects fall through to ``str()``
+ so ``json.dumps`` never raises on the result.
+ 2. **Keep the output deterministic across parses** — callables are replaced
+ with their qualified name (never the default ``<function ... at 0x...>``
+ repr), dicts are key-sorted, and (frozen)sets are sorted by element so
+ the same input always produces the same string.
"""
- def is_jsonable(x):
- try:
- json.dumps(x)
- except (TypeError, OverflowError):
- return False
- else:
- return True
-
- def translate_tuples_to_lists(obj: Any):
- """Recursively convert tuples to lists."""
- if isinstance(obj, tuple):
- return [translate_tuples_to_lists(item) for item in obj]
- if isinstance(obj, list):
- return [translate_tuples_to_lists(item) for item in obj]
- if isinstance(obj, dict):
- return {key: translate_tuples_to_lists(value) for key, value in
obj.items()}
- return obj
+ def is_jsonable_primitive_type(k):
+ """Whether ``k`` is one of the primitive types json.dumps accepts as a
dict key or value."""
+ return k is None or isinstance(k, (str, int, float, bool))
+
+ def serialize_dict_key(key):
+ """Normalize a dict key to a JSON-encodable primitive."""
+ serialized_key = serialize_object(key)
+ return serialized_key if is_jsonable_primitive_type(serialized_key)
else str(serialized_key)
Review Comment:
fix by making key string
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