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21 lines
617 B
Python
21 lines
617 B
Python
"""Helper functions."""
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import socket
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from .exceptions import exception
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def get_local_ip() -> str:
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"""Try to determine the local IP address of the machine."""
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# Useful for VPNs.
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try:
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local_ip_address = socket.gethostbyname(socket.gethostname())
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if not local_ip_address.startswith('127.'):
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return local_ip_address
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except socket.gaierror:
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raise exception(-4013) # DNS Error
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# Connecting to UDP address does not send packets.
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with socket.socket(socket.AF_INET, socket.SOCK_DGRAM) as s:
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s.connect(('8.8.8.8', 53))
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return s.getsockname()[0]
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