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import json
import toml
import collections
from fatcat_openapi_client import ApiClient
def entity_to_dict(entity, api_client=None) -> dict:
"""
Hack to take advantage of the code-generated serialization code.
Initializing/destroying ApiClient objects is surprisingly expensive
(because it involves a threadpool), so we allow passing an existing
instance. If you already have a full-on API connection `api`, you can
access the ApiClient object as `api.api_client`. This is such a speed-up
that this argument may become mandatory.
"""
if not api_client:
api_client = ApiClient()
return api_client.sanitize_for_serialization(entity)
def entity_from_json(json_str: str, entity_type, api_client=None):
"""
Hack to take advantage of the code-generated deserialization code
See note on `entity_to_dict()` about api_client argument.
"""
if not api_client:
api_client = ApiClient()
thing = collections.namedtuple('Thing', ['data'])
thing.data = json_str
return api_client.deserialize(thing, entity_type)
def entity_from_dict(obj: dict, entity_type, api_client=None):
json_str = json.dumps(obj)
return entity_from_json(json_str, entity_type, api_client=api_client)
def entity_to_toml(entity, api_client=None, pop_fields=None) -> str:
"""
pop_fields parameter can be used to strip out some fields from the resulting
TOML. Eg, for fields which should not be edited, like the ident.
"""
obj = entity_to_dict(entity, api_client=api_client)
pop_fields = pop_fields or []
for k in pop_fields:
obj.pop(k, None)
return toml.dumps(obj)
def entity_from_toml(toml_str: str, entity_type, api_client=None):
obj = toml.loads(toml_str)
return entity_from_dict(obj, entity_type, api_client=api_client)
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