mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-07-23 19:25:40 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 11

Added warning that gethostname() doesn't always return fqdn, and show

Browse source 
how to find it using gethostbyaddr().
This commit is contained in:
Guido van Rossum 1997-01-11 17:04:56 +00:00
parent 5709dcfaec
commit fe27a50847
2 changed files with 10 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

5
Doc/lib/libsocket.tex
View file

@ -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 the Python interpreter is currently executing. If you want to know the
current machine's IP address, use current machine's IP address, use
\code{socket.gethostbyname(socket.gethostname())}. \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} \end{funcdesc}
\begin{funcdesc}{gethostbyaddr}{ip_address} \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 alternative host names for the same address, and \code{ipaddrlist} is
a list of IP addresses for the same interface on the same a list of IP addresses for the same interface on the same
host (most likely containing only a single address). 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} \end{funcdesc}
\begin{funcdesc}{getprotobyname}{protocolname} \begin{funcdesc}{getprotobyname}{protocolname}

5
Doc/libsocket.tex
View file

@ -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 the Python interpreter is currently executing. If you want to know the
current machine's IP address, use current machine's IP address, use
\code{socket.gethostbyname(socket.gethostname())}. \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} \end{funcdesc}
\begin{funcdesc}{gethostbyaddr}{ip_address} \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 alternative host names for the same address, and \code{ipaddrlist} is
a list of IP addresses for the same interface on the same a list of IP addresses for the same interface on the same
host (most likely containing only a single address). 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} \end{funcdesc}
\begin{funcdesc}{getprotobyname}{protocolname} \begin{funcdesc}{getprotobyname}{protocolname}