jsonexporter.py

import json

def jsonizer(obj, specify_object_type = True):
	'''Assists in serializing models to JSON.

	>>> json.dumps(an_artist, default=jsonizer)
	'{"_type" : "Artist", "name" : ...
	'''
	j_dict = {}
	if specify_object_type:
		j_dict['object_type_name'] = obj.__class__.__name__
	j_dict.update(obj.__dict__)
	return j_dict 


class JsonConsoleExporter:
	def __init__(self, params, data_quality=[]):
		self.min_data_quality = data_quality
	
	def good_quality(self, what):
		if len(self.min_data_quality):
			return what.data_quality.lower() in self.min_data_quality
		return True

	def dump(self, what):
		if not self.good_quality(what):
			return
		j = self._store(what)
		print j
		
	def finish(self, completely_done = False):
		pass
	
	def _store(self, what):
		return json.dumps(what, default=jsonizer)

	def storeArtist(self, artist):
		self.dump(artist)
	
	def storeLabel(self, label):
		self.dump(label)

	def storeRelease(self, release):
		self.dump(release)

	def storeMaster(self, master):
		self.dump(master)