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| 54 | ||
| 55 | <H1><A NAME="SECTION0020900000000000000000"> | |
| 56 | 18.9 <tt class="module">compileall</tt> -- | |
| 57 | Byte-compile Python libraries</A> | |
| 58 | </H1> | |
| 59 | ||
| 60 | <P> | |
| 61 | <A NAME="module-compileall"></A> | |
| 62 | ||
| 63 | <P> | |
| 64 | This module provides some utility functions to support installing | |
| 65 | Python libraries. These functions compile Python source files in a | |
| 66 | directory tree, allowing users without permission to write to the | |
| 67 | libraries to take advantage of cached byte-code files. | |
| 68 | ||
| 69 | <P> | |
| 70 | The source file for this module may also be used as a script to | |
| 71 | compile Python sources in directories named on the command line or in | |
| 72 | <code>sys.path</code>. | |
| 73 | ||
| 74 | <P> | |
| 75 | <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> | |
| 76 | <td><nobr><b><tt id='l2h-4998' xml:id='l2h-4998' class="function">compile_dir</tt></b>(</nobr></td> | |
| 77 | <td><var>dir</var><big>[</big><var>, maxlevels</var><big>[</big><var>, | |
| 78 | ddir</var><big>[</big><var>, force</var><big>[</big><var>, | |
| 79 | rx</var><big>[</big><var>, quiet</var><big>]</big><var></var><big>]</big><var></var><big>]</big><var></var><big>]</big><var></var><big>]</big><var></var>)</td></tr></table></dt> | |
| 80 | <dd> | |
| 81 | Recursively descend the directory tree named by <var>dir</var>, compiling | |
| 82 | all <span class="file">.py</span> files along the way. The <var>maxlevels</var> parameter | |
| 83 | is used to limit the depth of the recursion; it defaults to | |
| 84 | <code>10</code>. If <var>ddir</var> is given, it is used as the base path from | |
| 85 | which the filenames used in error messages will be generated. If | |
| 86 | <var>force</var> is true, modules are re-compiled even if the timestamps | |
| 87 | are up to date. | |
| 88 | ||
| 89 | <P> | |
| 90 | If <var>rx</var> is given, it specifies a regular expression of file | |
| 91 | names to exclude from the search; that expression is searched for in | |
| 92 | the full path. | |
| 93 | ||
| 94 | <P> | |
| 95 | If <var>quiet</var> is true, nothing is printed to the standard output | |
| 96 | in normal operation. | |
| 97 | </dl> | |
| 98 | ||
| 99 | <P> | |
| 100 | <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> | |
| 101 | <td><nobr><b><tt id='l2h-4999' xml:id='l2h-4999' class="function">compile_path</tt></b>(</nobr></td> | |
| 102 | <td><var></var><big>[</big><var>skip_curdir</var><big>[</big><var>, | |
| 103 | maxlevels</var><big>[</big><var>, force</var><big>]</big><var></var><big>]</big><var></var><big>]</big><var></var>)</td></tr></table></dt> | |
| 104 | <dd> | |
| 105 | Byte-compile all the <span class="file">.py</span> files found along <code>sys.path</code>. | |
| 106 | If <var>skip_curdir</var> is true (the default), the current directory is | |
| 107 | not included in the search. The <var>maxlevels</var> and | |
| 108 | <var>force</var> parameters default to <code>0</code> and are passed to the | |
| 109 | <tt class="function">compile_dir()</tt> function. | |
| 110 | </dl> | |
| 111 | ||
| 112 | <P> | |
| 113 | <div class="seealso"> | |
| 114 | <p class="heading">See Also:</p> | |
| 115 | ||
| 116 | <dl compact="compact" class="seemodule"> | |
| 117 | <dt>Module <b><tt class="module"><a href="module-pycompile.html">py_compile</a></tt>:</b> | |
| 118 | <dd>Byte-compile a single source file. | |
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