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Welcome to the "PC" subdirectory of the Python distribution
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***********************************************************
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*** Note: the project files for MS VC++ 6.0 are now in the
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*** PCbuild directory. See the file readme.txt there for build
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*** instructions. There is some information below that might
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*** still be relevant.
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This "PC" subdirectory contains complete project files to make
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several older PC ports of Python, as well as all the PC-specific
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Python source files. It should be located in the root of the
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Python distribution, and there should be directories "Modules",
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"Objects", "Python", etc. in the parent directory of this "PC"
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subdirectory. Be sure to read the documentation in the Python
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distribution.
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Python requires library files such as string.py to be available in
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one or more library directories. The search path of libraries is
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set up when Python starts. To see the current Python library search
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path, start Python and enter "import sys" and "print sys.path".
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All PC ports use this scheme to try to set up a module search path:
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1) The script location; the current directory without script.
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2) The PYTHONPATH variable, if set.
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3) For Win32 platforms (NT/95), paths specified in the Registry.
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4) Default directories lib, lib/win, lib/test, lib/tkinter;
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these are searched relative to the environment variable
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PYTHONHOME, if set, or relative to the executable and its
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ancestors, if a landmark file (Lib/string.py) is found ,
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or the current directory (not useful).
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5) The directory containing the executable.
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The best installation strategy is to put the Python executable (and
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DLL, for Win32 platforms) in some convenient directory such as
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C:/python, and copy all library files and subdirectories (using XCOPY)
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to C:/python/lib. Then you don't need to set PYTHONPATH. Otherwise,
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set the environment variable PYTHONPATH to your Python search path.
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For example,
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set PYTHONPATH=.;d:\python\lib;d:\python\lib\win;d:\python\lib\dos-8x3
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There are several add-in modules to build Python programs which use
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the native Windows operating environment. The ports here just make
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"QuickWin" and DOS Python versions which support a character-mode
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(console) environment. Look in www.python.org for Tkinter, PythonWin,
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WPY and wxPython.
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To make a Python port, start the Integrated Development Environment
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(IDE) of your compiler, and read in the native "project file"
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(or makefile) provided. This will enable you to change any source
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files or build settings so you can make custom builds.
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pyconfig.h An important configuration file specific to PC's.
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config.c The list of C modules to include in the Python PC
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version. Manually edit this file to add or
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remove Python modules.
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testpy.py A Python test program. Run this to test your
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Python port. It should produce copious output,
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ending in a report on how many tests were OK, how many
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failed, and how many were skipped. Don't worry about
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skipped tests (these test unavailable optional features).
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Additional files and subdirectories for 32-bit Windows
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======================================================
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python_nt.rc Resource compiler input for python15.dll.
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dl_nt.c, import_nt.c
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Additional sources used for 32-bit Windows features.
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getpathp.c Default sys.path calculations (for all PC platforms).
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dllbase_nt.txt A (manually maintained) list of base addresses for
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various DLLs, to avoid run-time relocation.
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example_nt A subdirectory showing how to build an extension as a
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DLL.
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IBM VisualAge C/C++ for OS/2
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============================
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See os2vacpp/readme.txt. This platform is supported by Jeff Rush.
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Note for Windows 3.x and DOS users
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==================================
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Neither Windows 3.x nor DOS is supported any more. The last Python
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version that supported these was Python 1.5.2; the support files were
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present in Python 2.0 but weren't updated, and it is not our intention
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to support these platforms for Python 2.x.
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