projects / OpenSPARC-T2-SAM / blame
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| 16 | <title>8. Extending Distutils </title> | |
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| 53 | <H1><A NAME="SECTION008000000000000000000"></A><A NAME="extending"></A> | |
| 54 | <BR> | |
| 55 | 8. Extending Distutils | |
| 56 | </H1> | |
| 57 | ||
| 58 | <P> | |
| 59 | Distutils can be extended in various ways. Most extensions take the | |
| 60 | form of new commands or replacements for existing commands. New | |
| 61 | commands may be written to support new types of platform-specific | |
| 62 | packaging, for example, while replacements for existing commands may | |
| 63 | be made to modify details of how the command operates on a package. | |
| 64 | ||
| 65 | <P> | |
| 66 | Most extensions of the distutils are made within <span class="file">setup.py</span> | |
| 67 | scripts that want to modify existing commands; many simply add a few | |
| 68 | file extensions that should be copied into packages in addition to | |
| 69 | <span class="file">.py</span> files as a convenience. | |
| 70 | ||
| 71 | <P> | |
| 72 | Most distutils command implementations are subclasses of the | |
| 73 | <tt class="class">Command</tt> class from <tt class="module"><a href="module-distutils.cmd.html">distutils.cmd</a></tt>. New commands | |
| 74 | may directly inherit from <tt class="class">Command</tt>, while replacements often | |
| 75 | derive from <tt class="class">Command</tt> indirectly, directly subclassing the | |
| 76 | command they are replacing. Commands are required to derive from | |
| 77 | <tt class="class">Command</tt>. | |
| 78 | ||
| 79 | <P> | |
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| 125 | <span class="release-info">Release 2.4.2, documentation updated on 28 September 2005.</span> | |
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