jsonapi.py

# Standard library imports
import logging
import json

def load_document(string):
	document = None

	try:
		document = json.loads(string)
	except:
		logging.warning('Invalid JSON string supplied!')

	if document:
		if isinstance(document, dict):
			meta = document.get('meta')

			if not meta or isinstance(meta, dict):
				return document
			else:
				logging.warning('Invalid "meta" supplied!')
		else:
			logging.warning('Invalid document supplied!')

class Document:
	def __repr__(self):
		return json.dumps(self.__dict__)

class DataDocument(Document):
	def __init__(self, data, meta={}):
		self.data = data

		if meta:
			self.meta = meta

	@classmethod
	def from_string(this, string):
		document = load_document(string)

		if document:
			data = document.get('data')

			if isinstance(data, dict) or isinstance(data, list):
				return this(data, document.get('meta'))
			else:
				logging.warning('Invalid "data" supplied!')

class ErrorDocument(Document):
	def __init__(self, errors, meta={}):
		self.errors = errors

		if meta:
			self.meta = meta

	@classmethod
	def from_string(this, string):
		document = load_document(string)

		if document:
			errors = document.get('errors')

			if isinstance(errors, dict) or isinstance(errors, list):
				return this(errors, document.get('meta'))
			else:
				logging.warning('Invalid "errors" supplied!')