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21 lines
658 B
Python
21 lines
658 B
Python
6 years ago
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import socket
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import tenacity
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@retry(stop=tenacity.stop_after_attempt(100),
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wait=tenacity.wait_random(min=2, max=5))
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def resolve_hostname(hostname):
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""" This function uses system DNS to resolve a hostname.
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It is capable of retrying in case the host is not immediately available
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"""
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return socket.gethostbyname(hostname)
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def resolve_address(address):
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""" This function is identical to ``resolve_host`` but also supports
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resolving an address, i.e. including a port.
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"""
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hostname, *rest = address.resplit(":", 1)
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ip_address = resolve_hostname(hostname)
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return ip_address + "".join(":" + port for port in rest)
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