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<title>Coverage for pyPhotoAlbum/mixins/async_loading.py: 98%</title>
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<span class="text">Coverage for </span><b>pyPhotoAlbum<span class="sep">/</span>mixins<span class="sep">/</span>async_loading.py</b>:
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<span class="pc_cov">98%</span>
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<p class="pln"><span class="n"><a id="t1" href="#t1">1</a></span><span class="t"><span class="str">"""</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t2" href="#t2">2</a></span><span class="t"><span class="str">Async loading mixin for non-blocking image loading and PDF generation.</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t3" href="#t3">3</a></span><span class="t"><span class="str">"""</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t4" href="#t4">4</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t5" href="#t5">5</a></span><span class="t"><span class="key">import</span> <span class="nam">os</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t6" href="#t6">6</a></span><span class="t"><span class="key">from</span> <span class="nam">pathlib</span> <span class="key">import</span> <span class="nam">Path</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t7" href="#t7">7</a></span><span class="t"><span class="key">from</span> <span class="nam">typing</span> <span class="key">import</span> <span class="nam">TYPE_CHECKING</span><span class="op">,</span> <span class="nam">Optional</span><span class="op">,</span> <span class="nam">cast</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t8" href="#t8">8</a></span><span class="t"><span class="key">import</span> <span class="nam">logging</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t9" href="#t9">9</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t10" href="#t10">10</a></span><span class="t"><span class="key">from</span> <span class="nam">PyQt6</span><span class="op">.</span><span class="nam">QtCore</span> <span class="key">import</span> <span class="nam">QObject</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t11" href="#t11">11</a></span><span class="t"><span class="key">from</span> <span class="nam">PyQt6</span><span class="op">.</span><span class="nam">QtWidgets</span> <span class="key">import</span> <span class="nam">QProgressDialog</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t12" href="#t12">12</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t13" href="#t13">13</a></span><span class="t"><span class="key">from</span> <span class="nam">pyPhotoAlbum</span><span class="op">.</span><span class="nam">async_backend</span> <span class="key">import</span> <span class="nam">AsyncImageLoader</span><span class="op">,</span> <span class="nam">AsyncPDFGenerator</span><span class="op">,</span> <span class="nam">ImageCache</span><span class="op">,</span> <span class="nam">LoadPriority</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t14" href="#t14">14</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="exc show_exc"><span class="n"><a id="t15" href="#t15">15</a></span><span class="t"><span class="key">if</span> <span class="nam">TYPE_CHECKING</span><span class="op">:</span> </span><span class="r"></span></p>
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<p class="exc show_exc"><span class="n"><a id="t16" href="#t16">16</a></span><span class="t"> <span class="key">from</span> <span class="nam">PyQt6</span><span class="op">.</span><span class="nam">QtWidgets</span> <span class="key">import</span> <span class="nam">QMainWindow</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t17" href="#t17">17</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t18" href="#t18">18</a></span><span class="t"><span class="nam">logger</span> <span class="op">=</span> <span class="nam">logging</span><span class="op">.</span><span class="nam">getLogger</span><span class="op">(</span><span class="nam">__name__</span><span class="op">)</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t19" href="#t19">19</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t20" href="#t20">20</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t21" href="#t21">21</a></span><span class="t"><span class="key">class</span> <span class="nam">AsyncLoadingMixin</span><span class="op">:</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t22" href="#t22">22</a></span><span class="t"> <span class="com"># Type hints for expected attributes from mixing class</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t23" href="#t23">23</a></span><span class="t"> <span class="nam">_pdf_progress_dialog</span><span class="op">:</span> <span class="nam">Optional</span><span class="op">[</span><span class="nam">QProgressDialog</span><span class="op">]</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t24" href="#t24">24</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t25" href="#t25">25</a></span><span class="t"> <span class="key">def</span> <span class="nam">update</span><span class="op">(</span><span class="nam">self</span><span class="op">)</span> <span class="op">-></span> <span class="key">None</span><span class="op">:</span> <span class="com"># type: ignore[empty-body]</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t26" href="#t26">26</a></span><span class="t"> <span class="str">"""Expected from QWidget"""</span> </span><span class="r"></span></p>
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<p class="mis show_mis"><span class="n"><a id="t27" href="#t27">27</a></span><span class="t"> <span class="op">...</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t28" href="#t28">28</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t29" href="#t29">29</a></span><span class="t"> <span class="key">def</span> <span class="nam">window</span><span class="op">(</span><span class="nam">self</span><span class="op">)</span> <span class="op">-></span> <span class="str">"QMainWindow"</span><span class="op">:</span> <span class="com"># type: ignore[empty-body]</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t30" href="#t30">30</a></span><span class="t"> <span class="str">"""Expected from QWidget"""</span> </span><span class="r"></span></p>
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<p class="mis show_mis"><span class="n"><a id="t31" href="#t31">31</a></span><span class="t"> <span class="op">...</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t32" href="#t32">32</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t33" href="#t33">33</a></span><span class="t"> <span class="str">"""</span> </span><span class="r"></span></p>
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<p class="run run2"><span class="n"><a id="t34" href="#t34">34</a></span><span class="t"><span class="str"> Mixin to add async loading capabilities to GLWidget.</span> </span><span class="r"></span></p>
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<p class="run run2"><span class="n"><a id="t35" href="#t35">35</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="run run2"><span class="n"><a id="t36" href="#t36">36</a></span><span class="t"><span class="str"> Provides non-blocking image loading and PDF generation with</span> </span><span class="r"></span></p>
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<p class="run run2"><span class="n"><a id="t37" href="#t37">37</a></span><span class="t"><span class="str"> progressive updates and shared caching.</span> </span><span class="r"></span></p>
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<p class="run run2"><span class="n"><a id="t38" href="#t38">38</a></span><span class="t"><span class="str"> """</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t39" href="#t39">39</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t40" href="#t40">40</a></span><span class="t"> <span class="key">def</span> <span class="nam">_init_async_loading</span><span class="op">(</span><span class="nam">self</span><span class="op">)</span><span class="op">:</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t41" href="#t41">41</a></span><span class="t"> <span class="str">"""Initialize async loading components."""</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t42" href="#t42">42</a></span><span class="t"> <span class="nam">logger</span><span class="op">.</span><span class="nam">info</span><span class="op">(</span><span class="str">"Initializing async loading system..."</span><span class="op">)</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t43" href="#t43">43</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t44" href="#t44">44</a></span><span class="t"> <span class="com"># Create shared image cache (512MB)</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t45" href="#t45">45</a></span><span class="t"> <span class="nam">self</span><span class="op">.</span><span class="nam">image_cache</span> <span class="op">=</span> <span class="nam">ImageCache</span><span class="op">(</span><span class="nam">max_memory_mb</span><span class="op">=</span><span class="num">512</span><span class="op">)</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t46" href="#t46">46</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t47" href="#t47">47</a></span><span class="t"> <span class="com"># Create async image loader</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t48" href="#t48">48</a></span><span class="t"> <span class="nam">self</span><span class="op">.</span><span class="nam">async_image_loader</span> <span class="op">=</span> <span class="nam">AsyncImageLoader</span><span class="op">(</span><span class="nam">cache</span><span class="op">=</span><span class="nam">self</span><span class="op">.</span><span class="nam">image_cache</span><span class="op">,</span> <span class="nam">max_workers</span><span class="op">=</span><span class="num">4</span><span class="op">)</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t49" href="#t49">49</a></span><span class="t"> <span class="nam">self</span><span class="op">.</span><span class="nam">async_image_loader</span><span class="op">.</span><span class="nam">image_loaded</span><span class="op">.</span><span class="nam">connect</span><span class="op">(</span><span class="nam">self</span><span class="op">.</span><span class="nam">_on_image_loaded</span><span class="op">)</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t50" href="#t50">50</a></span><span class="t"> <span class="nam">self</span><span class="op">.</span><span class="nam">async_image_loader</span><span class="op">.</span><span class="nam">load_failed</span><span class="op">.</span><span class="nam">connect</span><span class="op">(</span><span class="nam">self</span><span class="op">.</span><span class="nam">_on_image_load_failed</span><span class="op">)</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t51" href="#t51">51</a></span><span class="t"> <span class="nam">self</span><span class="op">.</span><span class="nam">async_image_loader</span><span class="op">.</span><span class="nam">start</span><span class="op">(</span><span class="op">)</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t52" href="#t52">52</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t53" href="#t53">53</a></span><span class="t"> <span class="com"># Create async PDF generator</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t54" href="#t54">54</a></span><span class="t"> <span class="nam">self</span><span class="op">.</span><span class="nam">async_pdf_generator</span> <span class="op">=</span> <span class="nam">AsyncPDFGenerator</span><span class="op">(</span><span class="nam">image_cache</span><span class="op">=</span><span class="nam">self</span><span class="op">.</span><span class="nam">image_cache</span><span class="op">,</span> <span class="nam">max_workers</span><span class="op">=</span><span class="num">2</span><span class="op">)</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t55" href="#t55">55</a></span><span class="t"> <span class="nam">self</span><span class="op">.</span><span class="nam">async_pdf_generator</span><span class="op">.</span><span class="nam">progress_updated</span><span class="op">.</span><span class="nam">connect</span><span class="op">(</span><span class="nam">self</span><span class="op">.</span><span class="nam">_on_pdf_progress</span><span class="op">)</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t56" href="#t56">56</a></span><span class="t"> <span class="nam">self</span><span class="op">.</span><span class="nam">async_pdf_generator</span><span class="op">.</span><span class="nam">export_complete</span><span class="op">.</span><span class="nam">connect</span><span class="op">(</span><span class="nam">self</span><span class="op">.</span><span class="nam">_on_pdf_complete</span><span class="op">)</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t57" href="#t57">57</a></span><span class="t"> <span class="nam">self</span><span class="op">.</span><span class="nam">async_pdf_generator</span><span class="op">.</span><span class="nam">export_failed</span><span class="op">.</span><span class="nam">connect</span><span class="op">(</span><span class="nam">self</span><span class="op">.</span><span class="nam">_on_pdf_failed</span><span class="op">)</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t58" href="#t58">58</a></span><span class="t"> <span class="nam">self</span><span class="op">.</span><span class="nam">async_pdf_generator</span><span class="op">.</span><span class="nam">start</span><span class="op">(</span><span class="op">)</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t59" href="#t59">59</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t60" href="#t60">60</a></span><span class="t"> <span class="nam">logger</span><span class="op">.</span><span class="nam">info</span><span class="op">(</span><span class="str">"Async loading system initialized"</span><span class="op">)</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t61" href="#t61">61</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t62" href="#t62">62</a></span><span class="t"> <span class="key">def</span> <span class="nam">_cleanup_async_loading</span><span class="op">(</span><span class="nam">self</span><span class="op">)</span><span class="op">:</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t63" href="#t63">63</a></span><span class="t"> <span class="str">"""Cleanup async loading components."""</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t64" href="#t64">64</a></span><span class="t"> <span class="nam">logger</span><span class="op">.</span><span class="nam">info</span><span class="op">(</span><span class="str">"Cleaning up async loading system..."</span><span class="op">)</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t65" href="#t65">65</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t66" href="#t66">66</a></span><span class="t"> <span class="key">if</span> <span class="nam">hasattr</span><span class="op">(</span><span class="nam">self</span><span class="op">,</span> <span class="str">"async_image_loader"</span><span class="op">)</span><span class="op">:</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t67" href="#t67">67</a></span><span class="t"> <span class="nam">self</span><span class="op">.</span><span class="nam">async_image_loader</span><span class="op">.</span><span class="nam">stop</span><span class="op">(</span><span class="op">)</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t68" href="#t68">68</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t69" href="#t69">69</a></span><span class="t"> <span class="key">if</span> <span class="nam">hasattr</span><span class="op">(</span><span class="nam">self</span><span class="op">,</span> <span class="str">"async_pdf_generator"</span><span class="op">)</span><span class="op">:</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t70" href="#t70">70</a></span><span class="t"> <span class="nam">self</span><span class="op">.</span><span class="nam">async_pdf_generator</span><span class="op">.</span><span class="nam">stop</span><span class="op">(</span><span class="op">)</span> </span><span class="r"></span></p>
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|
<p class="pln"><span class="n"><a id="t71" href="#t71">71</a></span><span class="t"> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t72" href="#t72">72</a></span><span class="t"> <span class="key">if</span> <span class="nam">hasattr</span><span class="op">(</span><span class="nam">self</span><span class="op">,</span> <span class="str">"image_cache"</span><span class="op">)</span><span class="op">:</span> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t73" href="#t73">73</a></span><span class="t"> <span class="nam">self</span><span class="op">.</span><span class="nam">image_cache</span><span class="op">.</span><span class="nam">clear</span><span class="op">(</span><span class="op">)</span> </span><span class="r"></span></p>
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|
<p class="pln"><span class="n"><a id="t74" href="#t74">74</a></span><span class="t"> </span><span class="r"></span></p>
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|
<p class="run"><span class="n"><a id="t75" href="#t75">75</a></span><span class="t"> <span class="nam">logger</span><span class="op">.</span><span class="nam">info</span><span class="op">(</span><span class="str">"Async loading system cleaned up"</span><span class="op">)</span> </span><span class="r"></span></p>
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|
<p class="pln"><span class="n"><a id="t76" href="#t76">76</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t77" href="#t77">77</a></span><span class="t"> <span class="key">def</span> <span class="nam">_on_image_loaded</span><span class="op">(</span><span class="nam">self</span><span class="op">,</span> <span class="nam">path</span><span class="op">:</span> <span class="nam">Path</span><span class="op">,</span> <span class="nam">image</span><span class="op">,</span> <span class="nam">user_data</span><span class="op">)</span><span class="op">:</span> </span><span class="r"></span></p>
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|
<p class="pln"><span class="n"><a id="t78" href="#t78">78</a></span><span class="t"> <span class="str">"""</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t79" href="#t79">79</a></span><span class="t"><span class="str"> Handle image loaded callback.</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t80" href="#t80">80</a></span><span class="t"> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t81" href="#t81">81</a></span><span class="t"><span class="str"> Args:</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t82" href="#t82">82</a></span><span class="t"><span class="str"> path: Path to loaded image</span> </span><span class="r"></span></p>
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|
<p class="pln"><span class="n"><a id="t83" href="#t83">83</a></span><span class="t"><span class="str"> image: Loaded PIL Image</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t84" href="#t84">84</a></span><span class="t"><span class="str"> user_data: User data (ImageData element)</span> </span><span class="r"></span></p>
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|
<p class="pln"><span class="n"><a id="t85" href="#t85">85</a></span><span class="t"><span class="str"> """</span> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t86" href="#t86">86</a></span><span class="t"> <span class="nam">logger</span><span class="op">.</span><span class="nam">debug</span><span class="op">(</span><span class="fst">f"</span><span class="fst">Image loaded callback: </span><span class="op">{</span><span class="nam">path</span><span class="op">}</span><span class="fst">"</span><span class="op">)</span> </span><span class="r"></span></p>
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|
<p class="pln"><span class="n"><a id="t87" href="#t87">87</a></span><span class="t"> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t88" href="#t88">88</a></span><span class="t"> <span class="key">if</span> <span class="nam">user_data</span> <span class="key">and</span> <span class="nam">hasattr</span><span class="op">(</span><span class="nam">user_data</span><span class="op">,</span> <span class="str">"_on_async_image_loaded"</span><span class="op">)</span><span class="op">:</span> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t89" href="#t89">89</a></span><span class="t"> <span class="nam">user_data</span><span class="op">.</span><span class="nam">_on_async_image_loaded</span><span class="op">(</span><span class="nam">image</span><span class="op">)</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t90" href="#t90">90</a></span><span class="t"> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t91" href="#t91">91</a></span><span class="t"> <span class="com"># Trigger re-render to show newly loaded image</span> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t92" href="#t92">92</a></span><span class="t"> <span class="nam">self</span><span class="op">.</span><span class="nam">update</span><span class="op">(</span><span class="op">)</span> </span><span class="r"></span></p>
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|
<p class="pln"><span class="n"><a id="t93" href="#t93">93</a></span><span class="t"> </span><span class="r"></span></p>
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|
<p class="run"><span class="n"><a id="t94" href="#t94">94</a></span><span class="t"> <span class="key">def</span> <span class="nam">_on_image_load_failed</span><span class="op">(</span><span class="nam">self</span><span class="op">,</span> <span class="nam">path</span><span class="op">:</span> <span class="nam">Path</span><span class="op">,</span> <span class="nam">error_msg</span><span class="op">:</span> <span class="nam">str</span><span class="op">,</span> <span class="nam">user_data</span><span class="op">)</span><span class="op">:</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t95" href="#t95">95</a></span><span class="t"> <span class="str">"""</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t96" href="#t96">96</a></span><span class="t"><span class="str"> Handle image load failure.</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t97" href="#t97">97</a></span><span class="t"> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t98" href="#t98">98</a></span><span class="t"><span class="str"> Args:</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t99" href="#t99">99</a></span><span class="t"><span class="str"> path: Path that failed to load</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t100" href="#t100">100</a></span><span class="t"><span class="str"> error_msg: Error message</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t101" href="#t101">101</a></span><span class="t"><span class="str"> user_data: User data (ImageData element)</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t102" href="#t102">102</a></span><span class="t"><span class="str"> """</span> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t103" href="#t103">103</a></span><span class="t"> <span class="nam">logger</span><span class="op">.</span><span class="nam">warning</span><span class="op">(</span><span class="fst">f"</span><span class="fst">Image load failed: </span><span class="op">{</span><span class="nam">path</span><span class="op">}</span><span class="fst"> - </span><span class="op">{</span><span class="nam">error_msg</span><span class="op">}</span><span class="fst">"</span><span class="op">)</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t104" href="#t104">104</a></span><span class="t"> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t105" href="#t105">105</a></span><span class="t"> <span class="key">if</span> <span class="nam">user_data</span> <span class="key">and</span> <span class="nam">hasattr</span><span class="op">(</span><span class="nam">user_data</span><span class="op">,</span> <span class="str">"_on_async_image_load_failed"</span><span class="op">)</span><span class="op">:</span> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t106" href="#t106">106</a></span><span class="t"> <span class="nam">user_data</span><span class="op">.</span><span class="nam">_on_async_image_load_failed</span><span class="op">(</span><span class="nam">error_msg</span><span class="op">)</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t107" href="#t107">107</a></span><span class="t"> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t108" href="#t108">108</a></span><span class="t"> <span class="key">def</span> <span class="nam">_on_pdf_progress</span><span class="op">(</span><span class="nam">self</span><span class="op">,</span> <span class="nam">current</span><span class="op">:</span> <span class="nam">int</span><span class="op">,</span> <span class="nam">total</span><span class="op">:</span> <span class="nam">int</span><span class="op">,</span> <span class="nam">message</span><span class="op">:</span> <span class="nam">str</span><span class="op">)</span><span class="op">:</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t109" href="#t109">109</a></span><span class="t"> <span class="str">"""</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t110" href="#t110">110</a></span><span class="t"><span class="str"> Handle PDF export progress updates.</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t111" href="#t111">111</a></span><span class="t"> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t112" href="#t112">112</a></span><span class="t"><span class="str"> Args:</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t113" href="#t113">113</a></span><span class="t"><span class="str"> current: Current progress (pages completed)</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t114" href="#t114">114</a></span><span class="t"><span class="str"> total: Total pages</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t115" href="#t115">115</a></span><span class="t"><span class="str"> message: Progress message</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t116" href="#t116">116</a></span><span class="t"><span class="str"> """</span> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t117" href="#t117">117</a></span><span class="t"> <span class="nam">logger</span><span class="op">.</span><span class="nam">debug</span><span class="op">(</span><span class="fst">f"</span><span class="fst">PDF progress: </span><span class="op">{</span><span class="nam">current</span><span class="op">}</span><span class="fst">/</span><span class="op">{</span><span class="nam">total</span><span class="op">}</span><span class="fst"> - </span><span class="op">{</span><span class="nam">message</span><span class="op">}</span><span class="fst">"</span><span class="op">)</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t118" href="#t118">118</a></span><span class="t"> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t119" href="#t119">119</a></span><span class="t"> <span class="com"># Update progress dialog if it exists</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t120" href="#t120">120</a></span><span class="t"> <span class="com"># Use local reference to avoid race condition</span> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t121" href="#t121">121</a></span><span class="t"> <span class="nam">dialog</span> <span class="op">=</span> <span class="nam">getattr</span><span class="op">(</span><span class="nam">self</span><span class="op">,</span> <span class="str">"_pdf_progress_dialog"</span><span class="op">,</span> <span class="key">None</span><span class="op">)</span> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t122" href="#t122">122</a></span><span class="t"> <span class="key">if</span> <span class="nam">dialog</span> <span class="key">is</span> <span class="key">not</span> <span class="key">None</span><span class="op">:</span> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t123" href="#t123">123</a></span><span class="t"> <span class="nam">dialog</span><span class="op">.</span><span class="nam">setValue</span><span class="op">(</span><span class="nam">current</span><span class="op">)</span> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t124" href="#t124">124</a></span><span class="t"> <span class="nam">dialog</span><span class="op">.</span><span class="nam">setLabelText</span><span class="op">(</span><span class="nam">message</span><span class="op">)</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t125" href="#t125">125</a></span><span class="t"> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t126" href="#t126">126</a></span><span class="t"> <span class="key">def</span> <span class="nam">_on_pdf_complete</span><span class="op">(</span><span class="nam">self</span><span class="op">,</span> <span class="nam">success</span><span class="op">:</span> <span class="nam">bool</span><span class="op">,</span> <span class="nam">warnings</span><span class="op">:</span> <span class="nam">list</span><span class="op">)</span><span class="op">:</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t127" href="#t127">127</a></span><span class="t"> <span class="str">"""</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t128" href="#t128">128</a></span><span class="t"><span class="str"> Handle PDF export completion.</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t129" href="#t129">129</a></span><span class="t"> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t130" href="#t130">130</a></span><span class="t"><span class="str"> Args:</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t131" href="#t131">131</a></span><span class="t"><span class="str"> success: Whether export succeeded</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t132" href="#t132">132</a></span><span class="t"><span class="str"> warnings: List of warning messages</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t133" href="#t133">133</a></span><span class="t"><span class="str"> """</span> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t134" href="#t134">134</a></span><span class="t"> <span class="nam">logger</span><span class="op">.</span><span class="nam">info</span><span class="op">(</span><span class="fst">f"</span><span class="fst">PDF export complete: success=</span><span class="op">{</span><span class="nam">success</span><span class="op">}</span><span class="fst">, warnings=</span><span class="op">{</span><span class="nam">len</span><span class="op">(</span><span class="nam">warnings</span><span class="op">)</span><span class="op">}</span><span class="fst">"</span><span class="op">)</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t135" href="#t135">135</a></span><span class="t"> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t136" href="#t136">136</a></span><span class="t"> <span class="com"># Close progress dialog</span> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t137" href="#t137">137</a></span><span class="t"> <span class="key">if</span> <span class="nam">hasattr</span><span class="op">(</span><span class="nam">self</span><span class="op">,</span> <span class="str">"_pdf_progress_dialog"</span><span class="op">)</span> <span class="key">and</span> <span class="nam">self</span><span class="op">.</span><span class="nam">_pdf_progress_dialog</span><span class="op">:</span> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t138" href="#t138">138</a></span><span class="t"> <span class="nam">self</span><span class="op">.</span><span class="nam">_pdf_progress_dialog</span><span class="op">.</span><span class="nam">close</span><span class="op">(</span><span class="op">)</span> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t139" href="#t139">139</a></span><span class="t"> <span class="nam">self</span><span class="op">.</span><span class="nam">_pdf_progress_dialog</span> <span class="op">=</span> <span class="key">None</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t140" href="#t140">140</a></span><span class="t"> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t141" href="#t141">141</a></span><span class="t"> <span class="com"># Show completion message</span> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t142" href="#t142">142</a></span><span class="t"> <span class="nam">main_window</span> <span class="op">=</span> <span class="nam">self</span><span class="op">.</span><span class="nam">window</span><span class="op">(</span><span class="op">)</span> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t143" href="#t143">143</a></span><span class="t"> <span class="key">if</span> <span class="nam">hasattr</span><span class="op">(</span><span class="nam">main_window</span><span class="op">,</span> <span class="str">"show_status"</span><span class="op">)</span><span class="op">:</span> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t144" href="#t144">144</a></span><span class="t"> <span class="key">if</span> <span class="nam">success</span><span class="op">:</span> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t145" href="#t145">145</a></span><span class="t"> <span class="key">if</span> <span class="nam">warnings</span><span class="op">:</span> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t146" href="#t146">146</a></span><span class="t"> <span class="nam">main_window</span><span class="op">.</span><span class="nam">show_status</span><span class="op">(</span><span class="fst">f"</span><span class="fst">PDF exported successfully with </span><span class="op">{</span><span class="nam">len</span><span class="op">(</span><span class="nam">warnings</span><span class="op">)</span><span class="op">}</span><span class="fst"> warnings</span><span class="fst">"</span><span class="op">,</span> <span class="num">5000</span><span class="op">)</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t147" href="#t147">147</a></span><span class="t"> <span class="key">else</span><span class="op">:</span> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t148" href="#t148">148</a></span><span class="t"> <span class="nam">main_window</span><span class="op">.</span><span class="nam">show_status</span><span class="op">(</span><span class="str">"PDF exported successfully"</span><span class="op">,</span> <span class="num">3000</span><span class="op">)</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t149" href="#t149">149</a></span><span class="t"> <span class="key">else</span><span class="op">:</span> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t150" href="#t150">150</a></span><span class="t"> <span class="nam">main_window</span><span class="op">.</span><span class="nam">show_status</span><span class="op">(</span><span class="str">"PDF export failed"</span><span class="op">,</span> <span class="num">5000</span><span class="op">)</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t151" href="#t151">151</a></span><span class="t"> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t152" href="#t152">152</a></span><span class="t"> <span class="key">def</span> <span class="nam">_on_pdf_failed</span><span class="op">(</span><span class="nam">self</span><span class="op">,</span> <span class="nam">error_msg</span><span class="op">:</span> <span class="nam">str</span><span class="op">)</span><span class="op">:</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t153" href="#t153">153</a></span><span class="t"> <span class="str">"""</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t154" href="#t154">154</a></span><span class="t"><span class="str"> Handle PDF export failure.</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t155" href="#t155">155</a></span><span class="t"> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t156" href="#t156">156</a></span><span class="t"><span class="str"> Args:</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t157" href="#t157">157</a></span><span class="t"><span class="str"> error_msg: Error message</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t158" href="#t158">158</a></span><span class="t"><span class="str"> """</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t159" href="#t159">159</a></span><span class="t"> <span class="nam">logger</span><span class="op">.</span><span class="nam">error</span><span class="op">(</span><span class="fst">f"</span><span class="fst">PDF export failed: </span><span class="op">{</span><span class="nam">error_msg</span><span class="op">}</span><span class="fst">"</span><span class="op">)</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t160" href="#t160">160</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t161" href="#t161">161</a></span><span class="t"> <span class="com"># Close progress dialog</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t162" href="#t162">162</a></span><span class="t"> <span class="key">if</span> <span class="nam">hasattr</span><span class="op">(</span><span class="nam">self</span><span class="op">,</span> <span class="str">"_pdf_progress_dialog"</span><span class="op">)</span> <span class="key">and</span> <span class="nam">self</span><span class="op">.</span><span class="nam">_pdf_progress_dialog</span><span class="op">:</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t163" href="#t163">163</a></span><span class="t"> <span class="nam">self</span><span class="op">.</span><span class="nam">_pdf_progress_dialog</span><span class="op">.</span><span class="nam">close</span><span class="op">(</span><span class="op">)</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t164" href="#t164">164</a></span><span class="t"> <span class="nam">self</span><span class="op">.</span><span class="nam">_pdf_progress_dialog</span> <span class="op">=</span> <span class="key">None</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t165" href="#t165">165</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t166" href="#t166">166</a></span><span class="t"> <span class="com"># Show error message</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t167" href="#t167">167</a></span><span class="t"> <span class="nam">main_window</span> <span class="op">=</span> <span class="nam">self</span><span class="op">.</span><span class="nam">window</span><span class="op">(</span><span class="op">)</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t168" href="#t168">168</a></span><span class="t"> <span class="key">if</span> <span class="nam">hasattr</span><span class="op">(</span><span class="nam">main_window</span><span class="op">,</span> <span class="str">"show_status"</span><span class="op">)</span><span class="op">:</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t169" href="#t169">169</a></span><span class="t"> <span class="nam">main_window</span><span class="op">.</span><span class="nam">show_status</span><span class="op">(</span><span class="fst">f"</span><span class="fst">PDF export failed: </span><span class="op">{</span><span class="nam">error_msg</span><span class="op">}</span><span class="fst">"</span><span class="op">,</span> <span class="num">5000</span><span class="op">)</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t170" href="#t170">170</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t171" href="#t171">171</a></span><span class="t"> <span class="key">def</span> <span class="nam">request_image_load</span><span class="op">(</span><span class="nam">self</span><span class="op">,</span> <span class="nam">image_data</span><span class="op">,</span> <span class="nam">priority</span><span class="op">:</span> <span class="nam">LoadPriority</span> <span class="op">=</span> <span class="nam">LoadPriority</span><span class="op">.</span><span class="nam">NORMAL</span><span class="op">)</span><span class="op">:</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t172" href="#t172">172</a></span><span class="t"> <span class="str">"""</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t173" href="#t173">173</a></span><span class="t"><span class="str"> Request async load for an ImageData element.</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t174" href="#t174">174</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t175" href="#t175">175</a></span><span class="t"><span class="str"> Args:</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t176" href="#t176">176</a></span><span class="t"><span class="str"> image_data: ImageData element to load</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t177" href="#t177">177</a></span><span class="t"><span class="str"> priority: Load priority level</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t178" href="#t178">178</a></span><span class="t"><span class="str"> """</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t179" href="#t179">179</a></span><span class="t"> <span class="key">if</span> <span class="key">not</span> <span class="nam">hasattr</span><span class="op">(</span><span class="nam">self</span><span class="op">,</span> <span class="str">"async_image_loader"</span><span class="op">)</span><span class="op">:</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t180" href="#t180">180</a></span><span class="t"> <span class="nam">logger</span><span class="op">.</span><span class="nam">warning</span><span class="op">(</span><span class="str">"Async image loader not initialized"</span><span class="op">)</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t181" href="#t181">181</a></span><span class="t"> <span class="key">return</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t182" href="#t182">182</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t183" href="#t183">183</a></span><span class="t"> <span class="key">if</span> <span class="key">not</span> <span class="nam">image_data</span><span class="op">.</span><span class="nam">image_path</span><span class="op">:</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t184" href="#t184">184</a></span><span class="t"> <span class="key">return</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t185" href="#t185">185</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t186" href="#t186">186</a></span><span class="t"> <span class="com"># Security: only load images from the assets folder</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t187" href="#t187">187</a></span><span class="t"> <span class="key">if</span> <span class="key">not</span> <span class="nam">image_data</span><span class="op">.</span><span class="nam">image_path</span><span class="op">.</span><span class="nam">startswith</span><span class="op">(</span><span class="str">"assets/"</span><span class="op">)</span><span class="op">:</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t188" href="#t188">188</a></span><span class="t"> <span class="nam">logger</span><span class="op">.</span><span class="nam">warning</span><span class="op">(</span><span class="fst">f"</span><span class="fst">Skipping path not in assets folder (needs healing): </span><span class="op">{</span><span class="nam">image_data</span><span class="op">.</span><span class="nam">image_path</span><span class="op">}</span><span class="fst">"</span><span class="op">)</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t189" href="#t189">189</a></span><span class="t"> <span class="key">return</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t190" href="#t190">190</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t191" href="#t191">191</a></span><span class="t"> <span class="com"># Use ImageData's path resolution (delegates to project layer)</span> </span><span class="r"></span></p>
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|
<p class="run"><span class="n"><a id="t192" href="#t192">192</a></span><span class="t"> <span class="nam">image_full_path</span> <span class="op">=</span> <span class="nam">image_data</span><span class="op">.</span><span class="nam">resolve_image_path</span><span class="op">(</span><span class="op">)</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t193" href="#t193">193</a></span><span class="t"> <span class="key">if</span> <span class="key">not</span> <span class="nam">image_full_path</span><span class="op">:</span> </span><span class="r"></span></p>
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|
<p class="run"><span class="n"><a id="t194" href="#t194">194</a></span><span class="t"> <span class="nam">logger</span><span class="op">.</span><span class="nam">warning</span><span class="op">(</span><span class="fst">f"</span><span class="fst">Image not found (needs healing): </span><span class="op">{</span><span class="nam">image_data</span><span class="op">.</span><span class="nam">image_path</span><span class="op">}</span><span class="fst">"</span><span class="op">)</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t195" href="#t195">195</a></span><span class="t"> <span class="key">return</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t196" href="#t196">196</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t197" href="#t197">197</a></span><span class="t"> <span class="com"># Calculate target size (max 2048px like original)</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t198" href="#t198">198</a></span><span class="t"> <span class="nam">target_size</span> <span class="op">=</span> <span class="op">(</span><span class="num">2048</span><span class="op">,</span> <span class="num">2048</span><span class="op">)</span> <span class="com"># Will be downsampled if larger</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t199" href="#t199">199</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t200" href="#t200">200</a></span><span class="t"> <span class="com"># Request load</span> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t201" href="#t201">201</a></span><span class="t"> <span class="nam">self</span><span class="op">.</span><span class="nam">async_image_loader</span><span class="op">.</span><span class="nam">request_load</span><span class="op">(</span> </span><span class="r"></span></p>
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<p class="run run2"><span class="n"><a id="t202" href="#t202">202</a></span><span class="t"> <span class="nam">Path</span><span class="op">(</span><span class="nam">image_full_path</span><span class="op">)</span><span class="op">,</span> </span><span class="r"></span></p>
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|
<p class="run run2"><span class="n"><a id="t203" href="#t203">203</a></span><span class="t"> <span class="nam">priority</span><span class="op">=</span><span class="nam">priority</span><span class="op">,</span> </span><span class="r"></span></p>
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<p class="run run2"><span class="n"><a id="t204" href="#t204">204</a></span><span class="t"> <span class="nam">target_size</span><span class="op">=</span><span class="nam">target_size</span><span class="op">,</span> </span><span class="r"></span></p>
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|
<p class="run run2"><span class="n"><a id="t205" href="#t205">205</a></span><span class="t"> <span class="nam">user_data</span><span class="op">=</span><span class="nam">image_data</span><span class="op">,</span> <span class="com"># Pass element for callback</span> </span><span class="r"></span></p>
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<p class="run run2"><span class="n"><a id="t206" href="#t206">206</a></span><span class="t"> <span class="op">)</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t207" href="#t207">207</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t208" href="#t208">208</a></span><span class="t"> <span class="key">def</span> <span class="nam">export_pdf_async</span><span class="op">(</span><span class="nam">self</span><span class="op">,</span> <span class="nam">project</span><span class="op">,</span> <span class="nam">output_path</span><span class="op">:</span> <span class="nam">str</span><span class="op">,</span> <span class="nam">export_dpi</span><span class="op">:</span> <span class="nam">int</span> <span class="op">=</span> <span class="num">300</span><span class="op">)</span><span class="op">:</span> </span><span class="r"></span></p>
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|
<p class="pln"><span class="n"><a id="t209" href="#t209">209</a></span><span class="t"> <span class="str">"""</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t210" href="#t210">210</a></span><span class="t"><span class="str"> Export PDF asynchronously without blocking UI.</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t211" href="#t211">211</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t212" href="#t212">212</a></span><span class="t"><span class="str"> Args:</span> </span><span class="r"></span></p>
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|
<p class="pln"><span class="n"><a id="t213" href="#t213">213</a></span><span class="t"><span class="str"> project: Project to export</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t214" href="#t214">214</a></span><span class="t"><span class="str"> output_path: Output PDF file path</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t215" href="#t215">215</a></span><span class="t"><span class="str"> export_dpi: Export DPI (default 300)</span> </span><span class="r"></span></p>
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|
<p class="pln"><span class="n"><a id="t216" href="#t216">216</a></span><span class="t"><span class="str"> """</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t217" href="#t217">217</a></span><span class="t"> <span class="key">if</span> <span class="key">not</span> <span class="nam">hasattr</span><span class="op">(</span><span class="nam">self</span><span class="op">,</span> <span class="str">"async_pdf_generator"</span><span class="op">)</span><span class="op">:</span> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t218" href="#t218">218</a></span><span class="t"> <span class="nam">logger</span><span class="op">.</span><span class="nam">warning</span><span class="op">(</span><span class="str">"Async PDF generator not initialized"</span><span class="op">)</span> </span><span class="r"></span></p>
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|
<p class="run"><span class="n"><a id="t219" href="#t219">219</a></span><span class="t"> <span class="key">return</span> <span class="key">False</span> </span><span class="r"></span></p>
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|
<p class="pln"><span class="n"><a id="t220" href="#t220">220</a></span><span class="t"> </span><span class="r"></span></p>
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|
<p class="pln"><span class="n"><a id="t221" href="#t221">221</a></span><span class="t"> <span class="com"># Create progress dialog</span> </span><span class="r"></span></p>
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|
<p class="run"><span class="n"><a id="t222" href="#t222">222</a></span><span class="t"> <span class="key">from</span> <span class="nam">PyQt6</span><span class="op">.</span><span class="nam">QtWidgets</span> <span class="key">import</span> <span class="nam">QProgressDialog</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t223" href="#t223">223</a></span><span class="t"> <span class="key">from</span> <span class="nam">PyQt6</span><span class="op">.</span><span class="nam">QtCore</span> <span class="key">import</span> <span class="nam">Qt</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t224" href="#t224">224</a></span><span class="t"> </span><span class="r"></span></p>
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|
<p class="run"><span class="n"><a id="t225" href="#t225">225</a></span><span class="t"> <span class="nam">total_pages</span> <span class="op">=</span> <span class="nam">sum</span><span class="op">(</span><span class="num">1</span> <span class="key">if</span> <span class="nam">page</span><span class="op">.</span><span class="nam">is_cover</span> <span class="key">else</span> <span class="op">(</span><span class="num">2</span> <span class="key">if</span> <span class="nam">page</span><span class="op">.</span><span class="nam">is_double_spread</span> <span class="key">else</span> <span class="num">1</span><span class="op">)</span> <span class="key">for</span> <span class="nam">page</span> <span class="key">in</span> <span class="nam">project</span><span class="op">.</span><span class="nam">pages</span><span class="op">)</span> </span><span class="r"></span></p>
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|
<p class="pln"><span class="n"><a id="t226" href="#t226">226</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t227" href="#t227">227</a></span><span class="t"> <span class="key">from</span> <span class="nam">PyQt6</span><span class="op">.</span><span class="nam">QtWidgets</span> <span class="key">import</span> <span class="nam">QWidget</span> </span><span class="r"></span></p>
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|
<p class="pln"><span class="n"><a id="t228" href="#t228">228</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t229" href="#t229">229</a></span><span class="t"> <span class="nam">self</span><span class="op">.</span><span class="nam">_pdf_progress_dialog</span> <span class="op">=</span> <span class="nam">QProgressDialog</span><span class="op">(</span><span class="str">"Exporting to PDF..."</span><span class="op">,</span> <span class="str">"Cancel"</span><span class="op">,</span> <span class="num">0</span><span class="op">,</span> <span class="nam">total_pages</span><span class="op">,</span> <span class="nam">cast</span><span class="op">(</span><span class="nam">QWidget</span><span class="op">,</span> <span class="nam">self</span><span class="op">)</span><span class="op">)</span> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t230" href="#t230">230</a></span><span class="t"> <span class="nam">self</span><span class="op">.</span><span class="nam">_pdf_progress_dialog</span><span class="op">.</span><span class="nam">setWindowModality</span><span class="op">(</span><span class="nam">Qt</span><span class="op">.</span><span class="nam">WindowModality</span><span class="op">.</span><span class="nam">WindowModal</span><span class="op">)</span> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t231" href="#t231">231</a></span><span class="t"> <span class="nam">self</span><span class="op">.</span><span class="nam">_pdf_progress_dialog</span><span class="op">.</span><span class="nam">setWindowTitle</span><span class="op">(</span><span class="str">"PDF Export"</span><span class="op">)</span> </span><span class="r"></span></p>
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|
<p class="run"><span class="n"><a id="t232" href="#t232">232</a></span><span class="t"> <span class="nam">self</span><span class="op">.</span><span class="nam">_pdf_progress_dialog</span><span class="op">.</span><span class="nam">canceled</span><span class="op">.</span><span class="nam">connect</span><span class="op">(</span><span class="nam">self</span><span class="op">.</span><span class="nam">_on_pdf_cancel</span><span class="op">)</span> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t233" href="#t233">233</a></span><span class="t"> <span class="nam">self</span><span class="op">.</span><span class="nam">_pdf_progress_dialog</span><span class="op">.</span><span class="nam">show</span><span class="op">(</span><span class="op">)</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t234" href="#t234">234</a></span><span class="t"> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t235" href="#t235">235</a></span><span class="t"> <span class="com"># Start async export</span> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t236" href="#t236">236</a></span><span class="t"> <span class="key">return</span> <span class="nam">self</span><span class="op">.</span><span class="nam">async_pdf_generator</span><span class="op">.</span><span class="nam">export_pdf</span><span class="op">(</span><span class="nam">project</span><span class="op">,</span> <span class="nam">output_path</span><span class="op">,</span> <span class="nam">export_dpi</span><span class="op">)</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t237" href="#t237">237</a></span><span class="t"> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t238" href="#t238">238</a></span><span class="t"> <span class="key">def</span> <span class="nam">_on_pdf_cancel</span><span class="op">(</span><span class="nam">self</span><span class="op">)</span><span class="op">:</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t239" href="#t239">239</a></span><span class="t"> <span class="str">"""Handle PDF export cancellation."""</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t240" href="#t240">240</a></span><span class="t"> <span class="nam">logger</span><span class="op">.</span><span class="nam">info</span><span class="op">(</span><span class="str">"User requested PDF export cancellation"</span><span class="op">)</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t241" href="#t241">241</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t242" href="#t242">242</a></span><span class="t"> <span class="key">if</span> <span class="nam">hasattr</span><span class="op">(</span><span class="nam">self</span><span class="op">,</span> <span class="str">"async_pdf_generator"</span><span class="op">)</span><span class="op">:</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t243" href="#t243">243</a></span><span class="t"> <span class="nam">self</span><span class="op">.</span><span class="nam">async_pdf_generator</span><span class="op">.</span><span class="nam">cancel_export</span><span class="op">(</span><span class="op">)</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t244" href="#t244">244</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t245" href="#t245">245</a></span><span class="t"> <span class="key">def</span> <span class="nam">get_async_stats</span><span class="op">(</span><span class="nam">self</span><span class="op">)</span> <span class="op">-></span> <span class="nam">dict</span><span class="op">:</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t246" href="#t246">246</a></span><span class="t"> <span class="str">"""Get async loading system statistics."""</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t247" href="#t247">247</a></span><span class="t"> <span class="nam">stats</span> <span class="op">=</span> <span class="op">{</span><span class="op">}</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t248" href="#t248">248</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t249" href="#t249">249</a></span><span class="t"> <span class="key">if</span> <span class="nam">hasattr</span><span class="op">(</span><span class="nam">self</span><span class="op">,</span> <span class="str">"async_image_loader"</span><span class="op">)</span><span class="op">:</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t250" href="#t250">250</a></span><span class="t"> <span class="nam">stats</span><span class="op">[</span><span class="str">"image_loader"</span><span class="op">]</span> <span class="op">=</span> <span class="nam">self</span><span class="op">.</span><span class="nam">async_image_loader</span><span class="op">.</span><span class="nam">get_stats</span><span class="op">(</span><span class="op">)</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t251" href="#t251">251</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t252" href="#t252">252</a></span><span class="t"> <span class="key">if</span> <span class="nam">hasattr</span><span class="op">(</span><span class="nam">self</span><span class="op">,</span> <span class="str">"async_pdf_generator"</span><span class="op">)</span><span class="op">:</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t253" href="#t253">253</a></span><span class="t"> <span class="nam">stats</span><span class="op">[</span><span class="str">"pdf_generator"</span><span class="op">]</span> <span class="op">=</span> <span class="nam">self</span><span class="op">.</span><span class="nam">async_pdf_generator</span><span class="op">.</span><span class="nam">get_stats</span><span class="op">(</span><span class="op">)</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t254" href="#t254">254</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t255" href="#t255">255</a></span><span class="t"> <span class="key">return</span> <span class="nam">stats</span> </span><span class="r"></span></p>
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