Source code for langchain_core.load.dump
import json
from typing import Any
from langchain_core.load.serializable import Serializable, to_json_not_implemented
[docs]def default(obj: Any) -> Any:
"""Return a default value for a Serializable object or
a SerializedNotImplemented object.
Args:
obj: The object to serialize to json if it is a Serializable object.
Returns:
A json serializable object or a SerializedNotImplemented object.
"""
if isinstance(obj, Serializable):
return obj.to_json()
else:
return to_json_not_implemented(obj)
[docs]def dumps(obj: Any, *, pretty: bool = False, **kwargs: Any) -> str:
"""Return a json string representation of an object.
Args:
obj: The object to dump.
pretty: Whether to pretty print the json. If true, the json will be
indented with 2 spaces (if no indent is provided as part of kwargs).
Default is False.
kwargs: Additional arguments to pass to json.dumps
Returns:
A json string representation of the object.
Raises:
ValueError: If `default` is passed as a kwarg.
"""
if "default" in kwargs:
raise ValueError("`default` should not be passed to dumps")
try:
if pretty:
indent = kwargs.pop("indent", 2)
return json.dumps(obj, default=default, indent=indent, **kwargs)
else:
return json.dumps(obj, default=default, **kwargs)
except TypeError:
if pretty:
indent = kwargs.pop("indent", 2)
return json.dumps(to_json_not_implemented(obj), indent=indent, **kwargs)
else:
return json.dumps(to_json_not_implemented(obj), **kwargs)
[docs]def dumpd(obj: Any) -> Any:
"""Return a dict representation of an object.
Note:
Unfortunately this function is not as efficient as it could be
because it first dumps the object to a json string and then loads it
back into a dictionary.
Args:
obj: The object to dump.
Returns:
dictionary that can be serialized to json using json.dumps
"""
return json.loads(dumps(obj))