add hg and python

1 files changed, 63 insertions, 0 deletions

diff --git a/sys/src/cmd/python/Doc/lib/libni.tex b/sys/src/cmd/python/Doc/lib/libni.tex
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+\section{\module{ni} ---
+         None}
+\declaremodule{standard}{ni}
+
+\modulesynopsis{None}
+
+
+\strong{Warning: This module is obsolete.}  As of Python 1.5a4,
+package support (with different semantics for \code{__init__} and no
+support for \code{__domain__} or \code{__}) is built in the
+interpreter.  The ni module is retained only for backward
+compatibility.  As of Python 1.5b2, it has been renamed to \code{ni1}; 
+if you really need it, you can use \code{import ni1}, but the
+recommended approach is to rely on the built-in package support,
+converting existing packages if needed.  Note that mixing \code{ni}
+and the built-in package support doesn't work: once you import
+\code{ni}, all packages use it.
+
+The \code{ni} module defines a new importing scheme, which supports
+packages containing several Python modules.  To enable package
+support, execute \code{import ni} before importing any packages.  Importing
+this module automatically installs the relevant import hooks.  There
+are no publicly-usable functions or variables in the \code{ni} module.
+
+To create a package named \code{spam} containing sub-modules \code{ham}, \code{bacon} and
+\code{eggs}, create a directory \file{spam} somewhere on Python's module search
+path, as given in \code{sys.path}.  Then, create files called \file{ham.py}, \file{bacon.py} and
+\file{eggs.py} inside \file{spam}.
+
+To import module \code{ham} from package \code{spam} and use function
+\code{hamneggs()} from that module, you can use any of the following
+possibilities:
+
+\begin{verbatim}
+import spam.ham		# *not* "import spam" !!!
+spam.ham.hamneggs()
+\end{verbatim}
+%
+\begin{verbatim}
+from spam import ham
+ham.hamneggs()
+\end{verbatim}
+%
+\begin{verbatim}
+from spam.ham import hamneggs
+hamneggs()
+\end{verbatim}
+%
+\code{import spam} creates an
+empty package named \code{spam} if one does not already exist, but it does
+\emph{not} automatically import \code{spam}'s submodules.  
+The only submodule that is guaranteed to be imported is
+\code{spam.__init__}, if it exists; it would be in a file named
+\file{__init__.py} in the \file{spam} directory.  Note that
+\code{spam.__init__} is a submodule of package spam.  It can refer to
+spam's namespace as \code{__} (two underscores):
+
+\begin{verbatim}
+__.spam_inited = 1		# Set a package-level variable
+\end{verbatim}
+%
+Additional initialization code (setting up variables, importing other
+submodules) can be performed in \file{spam/__init__.py}.