diff options
| -rw-r--r-- | Doc/lib/libsocket.tex | 5 | ||||
| -rw-r--r-- | Doc/libsocket.tex | 5 |
2 files changed, 10 insertions, 0 deletions
diff --git a/Doc/lib/libsocket.tex b/Doc/lib/libsocket.tex index 618c523..baf6373 100644 --- a/Doc/lib/libsocket.tex +++ b/Doc/lib/libsocket.tex @@ -96,6 +96,9 @@ Return a string containing the hostname of the machine where the Python interpreter is currently executing. If you want to know the current machine's IP address, use \code{socket.gethostbyname(socket.gethostname())}. +Note: \code{gethostname()} doesn't always return the fully qualified +domain name; use \code{socket.gethostbyaddr(socket.gethostname())} +(see below). \end{funcdesc} \begin{funcdesc}{gethostbyaddr}{ip_address} @@ -105,6 +108,8 @@ Return a triple \code{(hostname, aliaslist, ipaddrlist)} where alternative host names for the same address, and \code{ipaddrlist} is a list of IP addresses for the same interface on the same host (most likely containing only a single address). +To find the fully qualified domain name, check \var{hostname} and the +items of \var{aliaslist} for an entry containing at least one period. \end{funcdesc} \begin{funcdesc}{getprotobyname}{protocolname} diff --git a/Doc/libsocket.tex b/Doc/libsocket.tex index 618c523..baf6373 100644 --- a/Doc/libsocket.tex +++ b/Doc/libsocket.tex @@ -96,6 +96,9 @@ Return a string containing the hostname of the machine where the Python interpreter is currently executing. If you want to know the current machine's IP address, use \code{socket.gethostbyname(socket.gethostname())}. +Note: \code{gethostname()} doesn't always return the fully qualified +domain name; use \code{socket.gethostbyaddr(socket.gethostname())} +(see below). \end{funcdesc} \begin{funcdesc}{gethostbyaddr}{ip_address} @@ -105,6 +108,8 @@ Return a triple \code{(hostname, aliaslist, ipaddrlist)} where alternative host names for the same address, and \code{ipaddrlist} is a list of IP addresses for the same interface on the same host (most likely containing only a single address). +To find the fully qualified domain name, check \var{hostname} and the +items of \var{aliaslist} for an entry containing at least one period. \end{funcdesc} \begin{funcdesc}{getprotobyname}{protocolname} |