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Adds idempotent switch setter function. #103

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Adds idempotent switch setter function. #103

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f58ed3c
Adds idempotent setter for microwave switch
Apr 20, 2023
37a18f8
Register functions.
Apr 20, 2023
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15 changes: 15 additions & 0 deletions qkit/drivers/switch_client.py
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Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,8 @@ def __init__(self, name, url="tcp://localhost:5000"):
self.add_function('enable')
self.add_function('disable')
self.add_function('switch_to')
self.add_function('is_at_position')
self.add_function('ensure_switch_at')

def close(self):
print("closing zmq socket")
Expand Down Expand Up @@ -74,3 +76,16 @@ def reset(self, switch):
def get_position(self,switch):
self.socket.send_string("get/%i" % switch)
return self.socket.recv_string()

def is_at_position(self, switch, port):
self.socket.send_string("get/%i/%i" % (switch, port))
response = self.socket.recv_string() # This is a string of either "1" or "0", as per server code
return bool(int(response)) # convert string ("1"|"0") to in (1|0) to bool (True|False)

def ensure_switch_at(self, switch, port):
"""
Ensures that the switch is at the specified position.
Idempotent.
"""
if not self.is_at_position(switch, port):
self.switch_to(switch, port)