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from classes import userexist, PersonalError, r, host, clear, Colors
from listcommands import ListCommands
class Commands(object):
def command(self, what, cmd):
if what == 'clear':
clear()
elif what == 'set':
try:
if cmd[1] == 'user' and cmd[2] is not None:
if len(cmd[2]) > 10: raise PersonalError('lunghezza maggiore del consetito. Max 10')
if userexist(cmd[2]) == True: raise PersonalError('questo nome utente esiste già')
if len(cmd) > ListCommands.info['set'][1]: raise PersonalError(Colors.grey + 'set user' + Colors.red + ' accetta 1 parametro')
if self.user != '': r.zrem('usersname', self.user)
self.user = cmd[2]
r.hset('user:'+host, 'name', self.user)
r.zadd('usersname', self.user, 0)
print('Ok')
elif cmd[1] is not ListCommands.commands['set']:
raise IndexError
except IndexError:
ListCommands.err('wrong')
except PersonalError as e:
ListCommands.err('personal', e.value)
elif what == 'get':
try:
if len(cmd) > 2 and cmd[1] != 'user?': raise PersonalError(Colors.grey + 'get ' + Colors.red + 'accetta 1 parametro')
if cmd[1] == 'user':
if self.user != '':
print(r.hget('user:'+host, 'name').decode('utf-8'))
else:
print('nil')
elif cmd[1] == 'host':
print('localhost')
elif cmd[1] == 'port':
print('6379')
elif cmd[1] == 'user?':
if len(cmd) > 3: raise PersonalError(Colors.grey + 'get user?' + Colors.red + ' accetta 1 parametro')
print(userexist(cmd[2]))
elif cmd[1] not in ListCommands.commands:
raise KeyError
else:
raise IndexError
except IndexError:
ListCommands.err('wrong')
except KeyError:
ListCommands.err('keyword')
except PersonalError as e:
ListCommands.err('personal', e.value)
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