In article <034ff4bf-e3e4-47ff-9a6c-195412431...@s20g2000yql.googlegroups.com>, Tomas Lidén <tomas.liden.pri...@gmail.com> wrote:
> Basically I was asking about the contract for this method.. hoping > that it is deterministic. The contract for socket.gethostbyname_ex() is described at http://docs.python.org/library/socket.html#socket.gethostbyname_ex. It says: "Translate a host name to IPv4 address format, extended interface. Return a triple (hostname, aliaslist, ipaddrlist) where hostname is the primary host name responding to the given ip_address, aliaslist is a (possibly empty) list of alternative host names for the same address, and ipaddrlist is a list of IPv4 addresses for the same interface on the same host (often but not always a single address). gethostbyname_ex() does not support IPv6 name resolution, and getaddrinfo() should be used instead for IPv4/v6 dual stack support." That's it. It says nothing about ordering, so nothing about ordering should be inferred. > Our testing indicated that the interfaces are returned in a specific > order, but we want to know if this is really the case (on all > platforms). No, it is not.
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