tea_store.schema.py

#!/usr/bin/env python2

import graphene
import logging

logging.basicConfig(level=logging.ERROR)
logger = logging.getLogger()
logger.addHandler(logging.StreamHandler())

class Tea(graphene.ObjectType):
    name = graphene.String()
    steeping_time = graphene.Int()

TEAS = [
    Tea(name='Earl Grey Blue Star', steeping_time=5),
    Tea(name='Milk Oolong', steeping_time=3),
    Tea(name='Gunpowder Golden Temple', steeping_time=3),
    Tea(name='Assam Hatimara', steeping_time=5),
    Tea(name='Bancha', steeping_time=2),
    Tea(name='Ceylon New Vithanakande', steeping_time=5),
    Tea(name='Golden Tip Yunnan', steeping_time=5),
    Tea(name='Jasmine Phoenix Pearls', steeping_time=3),
    Tea(name='Kenya Milima', steeping_time=5),
    Tea(name='Pu Erh First Grade', steeping_time=4),
    Tea(name='Sencha Makoto', steeping_time=3),
]

class Store(graphene.ObjectType):
    teas = graphene.List(Tea, order_by=graphene.String())

    def resolve_teas(self, args, info):
        print args
        order_by = args.get("order_by")
        if order_by == "steepingTime":
            return sorted(self.teas, key=lambda tea: tea.steeping_time)
        elif order_by == "name":
            return sorted(self.teas, key=lambda tea: tea.name)
        return self.teas

class Query(graphene.ObjectType):
    store = graphene.Field(Store)

    def resolve_store(self, args, info):
        return Store(teas=TEAS)

schema = graphene.Schema(query=Query)

result = schema.execute('''
query {
  store {
    teas(orderBy:"name") {
      name
      steepingTime
    }
  }
}
''')
print 'orderBy', result.data

result = schema.execute('''
query {
  store {
    teas(orderby:"name") {
      name
      steepingTime
    }
  }
}
''')
print 'orderby', result.data


## output:

(tve)mattb@local:~/src $ ./tea_store.schema.py 
<ProxySnakeDict {'order_by': u'name'}>
orderBy OrderedDict([('store', OrderedDict([('teas', [OrderedDict([('name', u'Assam Hatimara'), ('steepingTime', 5)]), OrderedDict([('name', u'Bancha'), ('steepingTime', 2)]), OrderedDict([('name', u'Ceylon New Vithanakande'), ('steepingTime', 5)]), OrderedDict([('name', u'Earl Grey Blue Star'), ('steepingTime', 5)]), OrderedDict([('name', u'Golden Tip Yunnan'), ('steepingTime', 5)]), OrderedDict([('name', u'Gunpowder Golden Temple'), ('steepingTime', 3)]), OrderedDict([('name', u'Jasmine Phoenix Pearls'), ('steepingTime', 3)]), OrderedDict([('name', u'Kenya Milima'), ('steepingTime', 5)]), OrderedDict([('name', u'Milk Oolong'), ('steepingTime', 3)]), OrderedDict([('name', u'Pu Erh First Grade'), ('steepingTime', 4)]), OrderedDict([('name', u'Sencha Makoto'), ('steepingTime', 3)])])]))])
orderby None