Ejemplo n.º 1
0
    def test_data_export(self):
        class SomeEntity(Entity):
            declared_params = {"some_value": "string"}

        obj = SomeEntity()
        self.mapper.register(SomeEntity)
        self.mapper.save(obj)

        data_to_save = [("some key", "ABCDE", None),
                        ("some other key", "ABCDEFGHIJ", "text")]

        for (key, value, mimetype) in data_to_save:
            obj.data[key].put(value)
            if mimetype:
                obj.data[key].mimetype = mimetype

        # we create a named temporary file and just hope
        # there is no conflict with the autodetected folder name
        tmp_name = tempfile.mktemp()

        jio = JsonIO(self.mapper, add_new_types=True)
        jio.write_file(self.mapper.find_roots(), tmp_name)

        # check that file has been written:
        for (data_key, data_value, data_mimetype) in data_to_save:
            data_file = os.path.join(tmp_name + ".data", obj.unique_id, data_key)
            with open(data_file) as df:
                self.assertEqual(df.read(), data_value)

        with open(tmp_name) as tmp_file:
            json_obj = json.load(tmp_file)
        #print json_obj

        jio_2 = JsonIO(self.mapper)
        self.assertRaises(IntegrityError, jio_2.read_file, tmp_name)

        self.mapper.delete(*self.mapper.find_roots())

        jio_2 = JsonIO(self.mapper)
        jio_2.read_file(tmp_name)

        obj_in_db = self.mapper.find_first(SomeEntity)
        for (data_key, data_value, data_mimetype) in data_to_save:
            self.assertEqual(obj_in_db.data[data_key].get_string(), data_value)
            self.assertEqual(obj_in_db.data[data_key].mimetype, data_mimetype)
Ejemplo n.º 2
0
from xdapy import Connection, Mapper, Entity
from xdapy.io import JsonIO

connection = Connection.profile("demo") # use standard profile
connection.create_tables()
#connection.engine.echo = True
m = Mapper(connection)

# We create a new JSON importer.
# add_new_types = True so all defined and declared objects are imported
jio = JsonIO(m, add_new_types=True)
jio.ignore_unknown_attributes = True

with open("demo/detection.json") as f:
    objs = jio.read_file(f)

for cls in m.registered_entities:
    print """class {name}(EntityObject):\n    parameter_types = {types!r}\n""".format(name=cls.__original_class_name__, types=cls.declared_params)

print len(objs), "objects"

print jio.write_string(objs)