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| 53 | <H1><A NAME="SECTION002500000000000000000"> |
| 54 | 2.5 Installing Package Data</A> |
| 55 | </H1> |
| 56 | |
| 57 | <P> |
| 58 | Often, additional files need to be installed into a package. These |
| 59 | files are often data that's closely related to the package's |
| 60 | implementation, or text files containing documentation that might be |
| 61 | of interest to programmers using the package. These files are called |
| 62 | <i class="dfn">package data</i>. |
| 63 | |
| 64 | <P> |
| 65 | Package data can be added to packages using the <code>package_data</code> |
| 66 | keyword argument to the <tt class="function">setup()</tt> function. The value must |
| 67 | be a mapping from package name to a list of relative path names that |
| 68 | should be copied into the package. The paths are interpreted as |
| 69 | relative to the directory containing the package (information from the |
| 70 | <code>package_dir</code> mapping is used if appropriate); that is, the files |
| 71 | are expected to be part of the package in the source directories. |
| 72 | They may contain glob patterns as well. |
| 73 | |
| 74 | <P> |
| 75 | The path names may contain directory portions; any necessary |
| 76 | directories will be created in the installation. |
| 77 | |
| 78 | <P> |
| 79 | For example, if a package should contain a subdirectory with several |
| 80 | data files, the files can be arranged like this in the source tree: |
| 81 | |
| 82 | <P> |
| 83 | <div class="verbatim"><pre> |
| 84 | setup.py |
| 85 | src/ |
| 86 | mypkg/ |
| 87 | __init__.py |
| 88 | module.py |
| 89 | data/ |
| 90 | tables.dat |
| 91 | spoons.dat |
| 92 | forks.dat |
| 93 | </pre></div> |
| 94 | |
| 95 | <P> |
| 96 | The corresponding call to <tt class="function">setup()</tt> might be: |
| 97 | |
| 98 | <P> |
| 99 | <div class="verbatim"><pre> |
| 100 | setup(..., |
| 101 | packages=['mypkg'], |
| 102 | package_dir={'mypkg': 'src/mypkg'}, |
| 103 | package_data={'mypkg': ['data/*.dat']}, |
| 104 | ) |
| 105 | </pre></div> |
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| 109 | <span class="versionnote">New in version 2.4.</span> |
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