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from collections.abc import MutableMapping
try:
import simplejson as json
except ImportError:
import json
import geojson
GEO_INTERFACE_MARKER = "__geo_interface__"
def is_mapping(obj):
"""
Checks if the object is an instance of MutableMapping.
:param obj: Object to be checked.
:return: Truth value of whether the object is an instance of
MutableMapping.
:rtype: bool
"""
return isinstance(obj, MutableMapping)
def to_mapping(obj):
mapping = getattr(obj, GEO_INTERFACE_MARKER, None)
if mapping is not None:
return mapping
if is_mapping(obj):
return obj
if isinstance(obj, geojson.GeoJSON):
return dict(obj)
return json.loads(json.dumps(obj))
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