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Support dataclass serialization in the standard message serializer.

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This commit is contained in:
Fabio Manganiello 2023-04-24 00:43:06 +02:00
parent dc3392c11d
commit 6711b26137
Signed by untrusted user: blacklight
GPG key ID: D90FBA7F76362774
1 changed files with 6 additions and 4 deletions
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10
platypush/message/__init__.py
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@ -1,4 +1,5 @@
from abc import ABC, abstractmethod from abc import ABC, abstractmethod
from dataclasses import asdict, is_dataclass
import decimal import decimal
import datetime import datetime
from enum import Enum from enum import Enum
@ -77,6 +78,9 @@ class Message:
if isinstance(obj, Enum): if isinstance(obj, Enum):
return obj.value return obj.value
if is_dataclass(obj):
obj = asdict(obj)
# Don't serialize I/O wrappers/objects # Don't serialize I/O wrappers/objects
if isinstance(obj, io.IOBase): if isinstance(obj, io.IOBase):
return None return None
@ -85,9 +89,7 @@ class Message:
return super().default(obj) return super().default(obj)
except Exception as e: except Exception as e:
logger.warning( logger.warning(
'Could not serialize object type {}: {}: {}'.format( 'Could not serialize object type %s: %s: %s', type(obj), e, obj
type(obj), str(e), obj
)
) )
def __init__(self, *_, timestamp=None, logging_level=logging.INFO, **__): def __init__(self, *_, timestamp=None, logging_level=logging.INFO, **__):
@ -152,7 +154,7 @@ class Message:
try: try:
msg = json.loads(msg.strip()) msg = json.loads(msg.strip())
except (ValueError, TypeError): except (ValueError, TypeError):
logger.warning('Invalid JSON message: {}'.format(msg)) logger.warning('Invalid JSON message: %s', msg)
assert isinstance(msg, dict) assert isinstance(msg, dict)