def inet_pton(address_family, ip_string, encoding="UTF-8"):
addr = sockaddr()
addr.sa_family = address_family
addr_size = c_int(sizeof(addr))
if WSAStringToAddressA(ip_string.encode(encoding), address_family, None,
byref(addr), byref(addr_size)) != 0:
raise socket.error(FormatError())
if address_family == socket.AF_INET:
return string_at(addr.ipv4_addr, 4)
if address_family == socket.AF_INET6:
return string_at(addr.ipv6_addr, 16)
raise socket.error('unknown address family')
def inet_ntop(address_family, packed_ip, encoding="UTF-8"):
addr = sockaddr()
addr.sa_family = address_family
addr_size = c_int(sizeof(addr))
ip_string = create_string_buffer(128)
ip_string_size = c_int(sizeof(addr))
if address_family == socket.AF_INET:
if len(packed_ip) != sizeof(addr.ipv4_addr):
raise socket.error('packed IP wrong length for inet_ntop')
memmove(addr.ipv4_addr, packed_ip, 4)
elif address_family == socket.AF_INET6:
if len(packed_ip) != sizeof(addr.ipv6_addr):
raise socket.error('packed IP wrong length for inet_ntop')
memmove(addr.ipv6_addr, packed_ip, 16)
else:
raise socket.error('unknown address family')
if WSAAddressToStringA(byref(addr), addr_size, None, ip_string,
byref(ip_string_size)) != 0:
raise socket.error(FormatError())
return (ip_string[:ip_string_size.value - 1]).decode(encoding)
def WinError(code=None, descr=None):
if code is None:
code = GetLastError()
if descr is None:
descr = FormatError(code).strip()
return WindowsError(code, descr)
def WinError(code=None, descr=None):
if code is None:
code = GetLastError()
if descr is None:
descr = FormatError(code).strip()
return OSError(None, descr, None, code)
