V4naBWe5

1try:
2    if (not options['gatewayUrl']) or (not options['clientId']) or (not options['secretKey']):
3        raise ConfigurationException('API connection data not set')
4except KeyError:
5    raise ConfigurationException('API connection data not set')
6	
7chk = set(['gatewayUrl','clientId','secretKey'])
8chk.issubset(set(options)) and all(options.values())
9	
10# значение для ключа "secretKey" не определено
11
12In [178]: options = {'gatewayUrl':'url', 'clientId':'id', 'secretKey':None}
13
14In [179]: chk.issubset(set(options)) and all(options.values())
15Out[179]: False
16
17# все OK
18
19In [180]: options = {'gatewayUrl':'url', 'clientId':'id', 'secretKey':'secret'}
20
21In [181]: chk.issubset(set(options)) and all(options.values())
22Out[181]: True
23
24# отутсвует ключ "secretKey"
25
26In [182]: options = {'gatewayUrl':'url', 'clientId':'id'}
27
28In [183]: chk.issubset(set(options)) and all(options.values())
29Out[183]: False
30	
31keys = ['gatewayUrl', 'clientId', 'secretKey']
32
33options = {'gatewayUrl': '1', 'clientId':'2', 'secretKey':'3'}
34False in [bool(options.get(key)) for key in keys]
35>> False
36
37
38options = {'gatewayUrl': '1', 'clientId':'2', 'secretKey':''}
39False in [bool(options.get(key)) for key in keys]
40>> True
41
42options = {'gatewayUrl': '1', 'clientId':'2'}
43False in [bool(options.get(key)) for key in keys]
44>> True
45	
46if False in [bool(options.get(key)) for key in keys]:
47    raise