| 1 | Welcome to the "PC" subdirectory of the Python distribution
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| 2 | ***********************************************************
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| 3 |
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| 4 | *** Note: the project files for MS VC++ 7.1 are now in the
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| 5 | *** PCbuild directory. See the file readme.txt there for build
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| 6 | *** instructions. There is some information below that might
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| 7 | *** still be relevant.
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| 8 |
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| 9 | This "PC" subdirectory contains complete project files to make
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| 10 | several older PC ports of Python, as well as all the PC-specific
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| 11 | Python source files. It should be located in the root of the
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| 12 | Python distribution, and there should be directories "Modules",
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| 13 | "Objects", "Python", etc. in the parent directory of this "PC"
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| 14 | subdirectory. Be sure to read the documentation in the Python
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| 15 | distribution.
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| 16 |
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| 17 | Python requires library files such as string.py to be available in
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| 18 | one or more library directories. The search path of libraries is
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| 19 | set up when Python starts. To see the current Python library search
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| 20 | path, start Python and enter "import sys" and "print sys.path".
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| 21 |
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| 22 | All PC ports use this scheme to try to set up a module search path:
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| 23 |
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| 24 | 1) The script location; the current directory without script.
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| 25 | 2) The PYTHONPATH variable, if set.
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| 26 | 3) For Win32 platforms (NT/95), paths specified in the Registry.
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| 27 | 4) Default directories lib, lib/win, lib/test, lib/tkinter;
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| 28 | these are searched relative to the environment variable
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| 29 | PYTHONHOME, if set, or relative to the executable and its
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| 30 | ancestors, if a landmark file (Lib/string.py) is found ,
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| 31 | or the current directory (not useful).
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| 32 | 5) The directory containing the executable.
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| 33 |
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| 34 | The best installation strategy is to put the Python executable (and
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| 35 | DLL, for Win32 platforms) in some convenient directory such as
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| 36 | C:/python, and copy all library files and subdirectories (using XCOPY)
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| 37 | to C:/python/lib. Then you don't need to set PYTHONPATH. Otherwise,
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| 38 | set the environment variable PYTHONPATH to your Python search path.
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| 39 | For example,
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| 40 | set PYTHONPATH=.;d:\python\lib;d:\python\lib\win;d:\python\lib\dos-8x3
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| 41 |
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| 42 | There are several add-in modules to build Python programs which use
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| 43 | the native Windows operating environment. The ports here just make
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| 44 | "QuickWin" and DOS Python versions which support a character-mode
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| 45 | (console) environment. Look in www.python.org for Tkinter, PythonWin,
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| 46 | WPY and wxPython.
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| 47 |
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| 48 | To make a Python port, start the Integrated Development Environment
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| 49 | (IDE) of your compiler, and read in the native "project file"
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| 50 | (or makefile) provided. This will enable you to change any source
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| 51 | files or build settings so you can make custom builds.
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| 52 |
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| 53 | pyconfig.h An important configuration file specific to PC's.
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| 54 |
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| 55 | config.c The list of C modules to include in the Python PC
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| 56 | version. Manually edit this file to add or
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| 57 | remove Python modules.
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| 58 |
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| 59 | testpy.py A Python test program. Run this to test your
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| 60 | Python port. It should produce copious output,
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| 61 | ending in a report on how many tests were OK, how many
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| 62 | failed, and how many were skipped. Don't worry about
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| 63 | skipped tests (these test unavailable optional features).
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| 64 |
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| 65 |
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| 66 | Additional files and subdirectories for 32-bit Windows
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| 67 | ======================================================
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| 68 |
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| 69 | python_nt.rc Resource compiler input for python15.dll.
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| 70 |
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| 71 | dl_nt.c, import_nt.c
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| 72 | Additional sources used for 32-bit Windows features.
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| 73 |
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| 74 | getpathp.c Default sys.path calculations (for all PC platforms).
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| 75 |
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| 76 | dllbase_nt.txt A (manually maintained) list of base addresses for
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| 77 | various DLLs, to avoid run-time relocation.
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| 78 |
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| 79 | example_nt A subdirectory showing how to build an extension as a
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| 80 | DLL.
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| 81 |
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| 82 | Visual Studio 6.0
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| 83 | =================
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| 84 | The subdirectory VC6 contains Visual Studio 6 project files. These
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| 85 | were originally located in the PCBuild directory, but are no longer
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| 86 | maintained.
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| 87 |
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| 88 |
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| 89 | IBM VisualAge C/C++ for OS/2
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| 90 | ============================
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| 91 |
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| 92 | See os2vacpp/readme.txt. This platform is supported by Jeff Rush.
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| 93 |
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| 94 |
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| 95 | Note for Windows 3.x and DOS users
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| 96 | ==================================
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| 97 |
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| 98 | Neither Windows 3.x nor DOS is supported any more. The last Python
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| 99 | version that supported these was Python 1.5.2; the support files were
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| 100 | present in Python 2.0 but weren't updated, and it is not our intention
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| 101 | to support these platforms for Python 2.x.
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