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[ENG-759] [ENG-1104] patch json.dumps to handle __wrapped__ objects #4166

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merged 6 commits into from
Nov 4, 2024
Merged

[ENG-759] [ENG-1104] patch json.dumps to handle __wrapped__ objects #4166

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35b6139
[ENG-1104] patch `json.dumps` to handle `__wrapped__` objects
masenf Oct 12, 2024
dd25ec4
Merge branch 'main' into masenf/json-dumps-patch
picklelo Oct 29, 2024
512f682
Merge remote-tracking branch 'origin/main' into masenf/json-dumps-patch
masenf Oct 31, 2024
726c70d
pre-commit fixup
masenf Oct 31, 2024
6f3b550
Skip default fallback logic when `cls` is specified
masenf Oct 31, 2024
1a1fff0
Override JSONEncoder.default instead of json.dumps
masenf Oct 31, 2024
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24 changes: 24 additions & 0 deletions reflex/state.py
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,7 @@
import dataclasses
import functools
import inspect
import json
import pickle
import sys
import uuid
Expand Down Expand Up @@ -3715,6 +3716,29 @@ def serialize_mutable_proxy(mp: MutableProxy):
return mp.__wrapped__


_orig_json_JSONEncoder_default = json.JSONEncoder.default


def _json_JSONEncoder_default_wrapper(self: json.JSONEncoder, o: Any) -> Any:
"""Wrap JSONEncoder.default to handle MutableProxy objects.

Args:
self: the JSONEncoder instance.
o: the object to serialize.

Returns:
A JSON-able object.
"""
try:
return o.__wrapped__
except AttributeError:
pass
return _orig_json_JSONEncoder_default(self, o)


json.JSONEncoder.default = _json_JSONEncoder_default_wrapper


class ImmutableMutableProxy(MutableProxy):
"""A proxy for a mutable object that tracks changes.

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