Bug 1661: Improve build speed with better caching strategy
Changed the way that the cache is located, so the same code can run on any build machine without any configuration.
Made work around for Bug 419 the only option, as we're not using the alternative anyway, and I don't want to commit completely untested code!
Changed caching algorithm, to improve build times.
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<a href="rom-module.html">Module rom</a> ::
Class Image
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<!-- ==================== CLASS DESCRIPTION ==================== -->
<h1 class="epydoc">Class Image</h1><span class="codelink"><a href="rom-pysrc.html#Image">source code</a></span><br /><br />
An Image object represents a ROM image, or .fpsx file.<br /><br />
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Initialise the Image object.</td>
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<span class="codelink"><a href="rom-pysrc.html#Image.__init__">source code</a></span>
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<td><span class="summary-sig"><a name="build"></a><span class="summary-sig-name">build</span>(<span class="summary-sig-arg">self</span>)</span><br />
Main method that handles the whole sequence of building the rom and
moving all related files to the correct location.</td>
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<span class="codelink"><a href="rom-pysrc.html#Image.build">source code</a></span>
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<td><span class="summary-sig"><a name="_create_destination"></a><span class="summary-sig-name">_create_destination</span>(<span class="summary-sig-arg">self</span>)</span><br />
Creates the destination directory of the ROM files if it does not exist.</td>
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<span class="codelink"><a href="rom-pysrc.html#Image._create_destination">source code</a></span>
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<td><span class="summary-sig"><a name="_process_cmt"></a><span class="summary-sig-name">_process_cmt</span>(<span class="summary-sig-arg">self</span>)</span><br />
Copies the CMT image under epoc32 and to the destination directory of
the ROM image, if the image will include the CMT.</td>
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<span class="codelink"><a href="rom-pysrc.html#Image._process_cmt">source code</a></span>
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<td><span class="summary-sig"><a href="rom.Image-class.html#_write_version" class="summary-sig-name">_write_version</a>(<span class="summary-sig-arg">self</span>)</span><br />
Generates the version text files that define the version of the ROM image.</td>
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<span class="codelink"><a href="rom-pysrc.html#Image._write_version">source code</a></span>
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<td><span class="summary-sig"><a name="_process_my_traces"></a><span class="summary-sig-name">_process_my_traces</span>(<span class="summary-sig-arg">self</span>)</span><br />
Generates a mytraces.txt file under epoc32 based on the <mytraces/>
XML sub-elements defined for the image.</td>
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<td><span class="summary-sig"><a name="_callrommake"></a><span class="summary-sig-name">_callrommake</span>(<span class="summary-sig-arg">self</span>)</span><br />
Calls the make_fpsx.cmd to build a ROM image.</td>
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<span class="codelink"><a href="rom-pysrc.html#Image._callrommake">source code</a></span>
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<td><span class="summary-sig"><a name="_clean_mytraces"></a><span class="summary-sig-name">_clean_mytraces</span>(<span class="summary-sig-arg">self</span>)</span></td>
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<td><span class="summary-sig"><a name="_move_image_files"></a><span class="summary-sig-name">_move_image_files</span>(<span class="summary-sig-arg">self</span>)</span></td>
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<td><span class="summary-sig"><a name="__str__"></a><span class="summary-sig-name">__str__</span>(<span class="summary-sig-arg">self</span>)</span><br />
Returns the filename of the image file once copied to the
*_flash_images directory.</td>
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<span class="codelink"><a href="rom-pysrc.html#Image.__str__">source code</a></span>
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<h3 class="epydoc"><span class="sig"><span class="sig-name">_write_version</span>(<span class="sig-arg">self</span>)</span>
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Generates the version text files that define the version of the ROM image.
These are in UTF16 little endian (Symbian) format.
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