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Use old IP address lookup logic as fallback (#275)
On some machines, resolving the local hostname results in a loopback IP
address (127.0.0.0/8). This breaks discovery. In these situations, fall
back to the old IP address lookup logic that was removed on commit 790edb9
.
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@ -64,6 +64,10 @@ def gendevice(devtype, host, mac):
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def discover(timeout=None, local_ip_address=None):
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if local_ip_address is None:
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local_ip_address = socket.gethostbyname(socket.gethostname())
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if local_ip_address.startswith('127.'):
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s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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s.connect(('8.8.8.8', 53)) # connecting to a UDP address doesn't send packets
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local_ip_address = s.getsockname()[0]
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address = local_ip_address.split('.')
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cs = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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cs.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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