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| -rw-r--r-- | Doc/dist/dist.tex | 132 |
1 files changed, 106 insertions, 26 deletions
diff --git a/Doc/dist/dist.tex b/Doc/dist/dist.tex index 6e674d8..8943fdb 100644 --- a/Doc/dist/dist.tex +++ b/Doc/dist/dist.tex @@ -53,7 +53,7 @@ Modules} manual. Using the Distutils is quite simple, both for module developers and for users/administrators installing third-party modules. As a developer, -your responsibilites (apart from writing solid, well-documented and +your responsibilities (apart from writing solid, well-documented and well-tested code, of course!) are: \begin{itemize} \item write a setup script (\file{setup.py} by convention) @@ -148,19 +148,7 @@ python setup.py bdist_wininst will create an executable installer, \file{Foo-1.0.win32.exe}, in the current directory. -\XXX{not implemented yet} -(Another way to create executable installers for Windows is with the -\command{bdist\_wise} command, which uses Wise---the commercial -installer-generator used to create Python's own installer---to create -the installer. Wise-based installers are more appropriate for large, -industrial-strength applications that need the full capabilities of a -``real'' installer. \command{bdist\_wininst} creates a self-extracting -zip file with a minimal user interface, which is enough for small- to -medium-sized module collections. You'll need to have version XXX of -Wise installed on your system for the \command{bdist\_wise} command to -work; it's available from \url{http://foo/bar/baz}.) - -Currently (Distutils 0.9.2), the are only other useful built +Currently (Distutils 0.9.2), the only other useful built distribution format is RPM, implemented by the \command{bdist\_rpm} command. For example, the following command will create an RPM file called \file{Foo-1.0.noarch.rpm}: @@ -192,7 +180,7 @@ following glossary of common Python terms: single \file{.py} file (and possibly associated \file{.pyc} and/or \file{.pyo} files). Sometimes referred to as a ``pure module.'' \item[extension module] a module written in the low-level language of - the Python implemention: C/C++ for Python, Java for JPython. + the Python implementation: C/C++ for Python, Java for JPython. Typically contained in a single dynamically loadable pre-compiled file, e.g. a shared object (\file{.so}) file for Python extensions on \UNIX, a DLL (given the \file{.pyd} extension) for Python extensions @@ -290,6 +278,14 @@ this document are slash-separated (MacOS programmers should keep in mind that the \emph{absence} of a leading slash indicates a relative path, the opposite of the MacOS convention with colons). +This, of course, only applies to pathnames given to Distutils functions. +If you, for example, use standard python functions such as glob.glob +or os.listdir to specify files, you should be careful to write portable +code instead of hardcoding path separators: +\begin{verbatim} + glob.glob(os.path.join('mydir', 'subdir', '*.html')) + os.listdir(os.path.join('mydir', 'subdir')) +\end{verbatim} \subsection{Listing whole packages} \label{listing-packages} @@ -447,8 +443,9 @@ resulting C/C++ file into your extension. On some platforms, you can include non-source files that are processed by the compiler and included in your extension. Currently, this just -means Windows resource files for Visual C++. \XXX{get more detail on - this feature from Thomas Heller!} +means Windows message text (\file{.mc}) files and resource definition +(\file{.rc}) files for Visual C++. These will be compiled to binary resource +(\file{.res}) files and linked into the executable. \subsubsection{Preprocessor options} @@ -550,9 +547,63 @@ Extension(..., (Again, this sort of non-portable construct should be avoided if you intend to distribute your code.) -\XXX{still undocumented: extra\_objects, extra\_compile\_args, - extra\_link\_args, export\_symbols---none of which are frequently - needed, some of which might be completely unnecessary!} +\XXX{Should mention clib libraries here or somewhere else!} + +\subsubsection{Other options} + +There are still some other options which can be used to handle special +cases. + +The \option{extra\_objects} option is a list of object files to be passed +to the linker. These files must not have extensions, as the default +extension for the compiler is used. + +\option{extra\_compile\_args} and \option{extra\_link\_args} can be used +to specify additional command line options for the compiler resp. +the linker command line. + +\option{export\_symbols} is only useful on windows, it can contain a list +of symbols (functions or variables) to be exported. This option +is not needed when building compiled extensions: the \code{initmodule} +function will automatically be added to the exported symbols list +by Distutils. + +\subsection{Listing scripts} +So far we have been dealing with pure and non-pure Python modules, +which are usually not run by themselves but imported by scripts. + +Scripts are files containing Python source code, indended to be started +from the command line. +Distutils doesn't provide much functionality for the scripts: the only +support Distutils gives is to adjust the first line of the script +if it starts with \code{#!} and contains the word ``python'' to refer +to the current interpreter location. + +The \option{scripts} option simply is a list of files to be handled +in this way. + + +\subsection{Listing additional files} +The \option{data\_files} option can be used to specify additional +files needed by the module distribution: configuration files, +data files, anything which does not fit in the previous categories. + +\option{data\_files} specify a sequence of \code{(directory, files)} +pairs in the following way: +\begin{verbatim} +setup(... + data_files=[('bitmaps', ['bm/b1.gif', 'bm/b2.gif']), + ('config', ['cfg/data.cfg'])]) +\end{verbatim} + +Note that you can specify the directory names where the data files +will be installed, but you cannot rename the data files themselves. + +You can specify the \option{data\_files} options as a simple sequence +of files without specifying a target directory, but this is not recommended, +and the \command{install} command will print a warning in this case. +To install data files directly in the target directory, an empty +string should be given as the directory. \section{Writing the Setup Configuration File} @@ -948,8 +999,7 @@ The available formats for built distributions are: \lineiii{zip}{zip file (\file{.zip})}{(4)} \lineiii{rpm}{RPM}{(5)} \lineiii{srpm}{source RPM}{(5) \XXX{to do!}} - \lineiii{wininst}{self-extracting ZIP file for Windows}{(2),(6)} - %\lineiii{wise}{Wise installer for Windows}{(3)} + \lineiii{wininst}{self-extracting ZIP file for Windows}{(2),(4)} \end{tableiii} \noindent Notes: @@ -962,8 +1012,6 @@ The available formats for built distributions are: \module{zipfile} module (not part of the standard Python library) \item[(5)] requires external \program{rpm} utility, version 3.0.4 or better (use \code{rpm --version} to find out which version you have) -\item[(6)] \XXX{requirements for \command{bdist\_wininst}?} -%\item[(3)] not implemented yet \end{description} You don't have to use the \command{bdist} command with the @@ -980,7 +1028,6 @@ each, are: \lineii{bdist\_dumb}{tar, ztar, gztar, zip} \lineii{bdist\_rpm}{rpm, srpm} \lineii{bdist\_wininst}{wininst} - %\lineii{bdist\_wise}{wise} \end{tableii} The following sections give details on the individual \command{bdist\_*} @@ -1093,7 +1140,7 @@ tree,'' in a temporary directory created by \command{bdist\_rpm}.) \XXX{this isn't implemented yet---is it needed?!} You can also specify a custom \file{.spec} file with the -\longprogramopt{spec-file} option; used in conjunctin with +\longprogramopt{spec-file} option; used in conjunction with \longprogramopt{spec-only}, this gives you an opportunity to customize the \file{.spec} file manually: \begin{verbatim} @@ -1110,7 +1157,38 @@ extending the Distutils.) \subsection{Creating Windows installers} \label{creating-wininst} +Executable Windows installers are the natural format for binary +distributions on Windows. They display a nice GUI interface, display +some information of the module distribution to be installed, taken +from the meta-dada in the setup script, let the user select a few +(currently maybe too few) options, and start or cancel the installation. + +Since the meta-data is taken from the setup script, creating +Windows installers is usually as easy as running: +\begin{verbatim} +python setup.py bdist_wininst +\end{verbatim} +or the \command{bdist} command with the \longprogramopt{format} option: +\begin{verbatim} +python setup.py bdist --formats=wininst +\end{verbatim} + +If you have a pure module distribution (only containing pure +Python modules and packages), the resulting installer will be +version independent and have a name like \file{Foo-1.0.win32.exe}. +These installers can even be created on \UNIX{} or MacOS platforms. + +If you have a non-pure distribution, the extensions can only be +created on a Windows platform, and will be Python version dependend. +The installer filename will reflect this and now has the form +\file{Foo-1.0.win32-py2.0.exe}. You have to create a separate installer +for every Python version you want to support. +The installer will try to compile pure modules into bytecode after +installation on the target system in normal and optimizing mode. +If you don't want this to happen for some reason, you can run +the bdist_wininst command with the \longprogramopt{no-target-compile} and/or +the \longprogramopt{no-target-optimize} option. \section{Examples} \label{examples} @@ -1147,6 +1225,8 @@ extending the Distutils.) \subsection{Writing new commands} \label{new-commands} +\XXX{Would an uninstall command be a good example here?} + \section{Reference} |