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from fieldy import Util from fieldy.Ent import Ent class Encoder: def __init__(self, schema_manager): self.schema_manager = schema_manager def to_object(self, entry, typename): schema = self.schema_manager.schemas[typename] if type(entry) != dict: raise Exception('Not a dict') for field_name in entry.keys(): field = entry[field_name] if field_name not in schema['fields'].keys(): raise Exception('Field {} not defined in schema'.format(field_name)) obj = Ent() for field_name in schema['fields'].keys(): field = schema['fields'][field_name] field_value = field["default"] if field_name not in entry.keys(): if field["required"]: raise Exception('Missing required field: {}'.field_name) else: field_value = entry[field_name] if field_value == None: if field["required"]: raise Exception('Missing required field: {}'.field_name) setattr(obj, field_name, None) continue field_type = field["type"] if field_type in Util.get_base_types(): if field_type == "string": try: setattr(obj, field_name, str(field_value)) except: raise Exception('Field {} should be a string'.format(field_name)) if field_type == "integer": try: setattr(obj, field_name, int(field_value)) except: raise Exception('Field {} should be a integer'.format(field_name)) if field_type == "float": try: setattr(obj, field_name, float(field_value)) except: raise Exception('Field {} should be a float'.format(field_name)) if field_type == "boolean": try: setattr(obj, field_name, bool(field_value)) except: raise Exception('Field {} should be a boolean'.format(field_name)) else: try: setattr(obj, field_name, self.to_object(field_value, schema['fields'][field_name]['type'])) except Exception as exc: raise Exception('Error on field {}: ({})'.format(field_name, str(exc))) return obj