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Only connect and authenticate once #5

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Only connect and authenticate once #5

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11 changes: 9 additions & 2 deletions mikettle/mikettle.py
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Original file line number Diff line number Diff line change
Expand Up @@ -78,9 +78,13 @@ def __init__(self, mac, product_id, cache_timeout=600, retries=3, iface=None, to
token = MiKettle.generateRandomToken()
self._token = token

self._p = None
self._authenticated = False

def connect(self):
self._p = Peripheral(deviceAddr=self._mac, iface=self._iface)
self._p.setDelegate(self)
if self._p is None:
self._p = Peripheral(deviceAddr=self._mac, iface=self._iface)
self._p.setDelegate(self)

def name(self):
"""Return the name of the device."""
Expand Down Expand Up @@ -175,6 +179,8 @@ def bytes_to_int(bytes):
return result

def auth(self):
if self._authenticated:
return
auth_service = self._p.getServiceByUUID(_UUID_SERVICE_KETTLE)
auth_descriptors = auth_service.getDescriptors()

Expand All @@ -191,6 +197,7 @@ def auth(self):
self._p.writeCharacteristic(_HANDLE_AUTH, MiKettle.cipher(self._token, _KEY2), "true")

self._p.readCharacteristic(_HANDLE_VERSION)
self._authenticated = True

def subscribeToData(self):
controlService = self._p.getServiceByUUID(_UUID_SERVICE_KETTLE_DATA)
Expand Down