Scrython/scrython/symbology/symbology_object.py

import asyncio
import aiohttp
import urllib.parse
from threading import Thread

class SymbologyObject(object):
    """
    The master class for all symbology objects.

    Positional arguments:
        No arguments required.

    Optional arguments:
        format : str ................... The format to return. Defaults to JSON.
        pretty : bool ... Makes the returned JSON prettier. The library may not work properly with this setting.

    Attributes:
        No attributes to call.
    """
    def __init__(self, _url, **kwargs):
        self.params = {'format': kwargs.get('format', 'json'), 'pretty': kwargs.get('pretty', '')}

        self.encodedParams = urllib.parse.urlencode(self.params)
        self._url = 'https://api.scryfall.com/{0}&{1}'.format(_url, self.encodedParams)

        async def getRequest(client, url, **kwargs):
            async with client.get(url, **kwargs) as response:
                return await response.json()

        async def main(loop):
            async with aiohttp.ClientSession(loop=loop) as client:
                self.scryfallJson = await getRequest(client, self._url)

        def do_everything():
            loop = asyncio.new_event_loop()
            asyncio.set_event_loop(loop)
            loop.run_until_complete(main(loop))

        t = Thread(target=do_everything)
        t.run()

        if self.scryfallJson['object'] == 'error':
            raise Exception(self.scryfallJson['details'])

    def _checkForKey(self, key):
        if not key in self.scryfallJson:
            raise KeyError('This object ahs no key \'{}\''.format(key))

    def _checkForTupleKey(self, parent, num, key):
        if not key in self.scryfallJson[parent][num]:
            raise KeyError('This object has no key \'{}\''.format(key))