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<p><strong>Quick guide to install all libraries for handling multiple document formats.</strong></p>
<hr/>
<h2 class="anchor anchorTargetStickyNavbar_Vzrq" id=-quick-install>🚀 QUICK INSTALL<a href=#-quick-install class=hash-link aria-label="Direct link to 🚀 QUICK INSTALL" title="Direct link to 🚀 QUICK INSTALL" translate=no></a></h2>
<div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-bash codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token plain">cd /home/developer/projects/open-navigator</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">source venv/bin/activate</span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"># Install all document processing libraries</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">pip install PyPDF2 pdfplumber python-pptx python-docx openpyxl</span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"># Optional: OCR for scanned documents (requires tesseract)</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">pip install pytesseract Pillow</span><br/></div></code></pre></div></div>
<hr/>
<h2 class="anchor anchorTargetStickyNavbar_Vzrq" id=-what-gets-installed>📋 WHAT GETS INSTALLED<a href=#-what-gets-installed class=hash-link aria-label="Direct link to 📋 WHAT GETS INSTALLED" title="Direct link to 📋 WHAT GETS INSTALLED" translate=no></a></h2>
<table><thead><tr><th>Library<th>Purpose<th>Size<tbody><tr><td><strong>PyPDF2</strong><td>Extract text from PDFs<td>~500 KB<tr><td><strong>pdfplumber</strong><td>Advanced PDF extraction (tables)<td>~2 MB<tr><td><strong>python-pptx</strong><td>Extract text from PowerPoint<td>~500 KB<tr><td><strong>python-docx</strong><td>Extract text from Word documents<td>~300 KB<tr><td><strong>openpyxl</strong><td>Extract text from Excel<td>~2 MB<tr><td><strong>pytesseract</strong><td>OCR for scanned documents (optional)<td>~100 KB<tr><td><strong>Pillow</strong><td>Image processing for OCR<td>~3 MB</table>
<p><strong>Total: ~8 MB</strong> (very lightweight!)</p>
<hr/>
<h2 class="anchor anchorTargetStickyNavbar_Vzrq" id=-optional-ocr-support>🔧 OPTIONAL: OCR SUPPORT<a href=#-optional-ocr-support class=hash-link aria-label="Direct link to 🔧 OPTIONAL: OCR SUPPORT" title="Direct link to 🔧 OPTIONAL: OCR SUPPORT" translate=no></a></h2>
<p><strong>For scanned PDFs and images, install Tesseract OCR engine:</strong></p>
<h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=ubuntudebian>Ubuntu/Debian:<a href=#ubuntudebian class=hash-link aria-label="Direct link to Ubuntu/Debian:" title="Direct link to Ubuntu/Debian:" translate=no></a></h3>
<div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-bash codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token plain">sudo apt-get update</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">sudo apt-get install tesseract-ocr</span><br/></div></code></pre></div></div>
<h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=macos>macOS:<a href=#macos class=hash-link aria-label="Direct link to macOS:" title="Direct link to macOS:" translate=no></a></h3>
<div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-bash codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token plain">brew install tesseract</span><br/></div></code></pre></div></div>
<h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=windows>Windows:<a href=#windows class=hash-link aria-label="Direct link to Windows:" title="Direct link to Windows:" translate=no></a></h3>
<p>Download installer from: <a href=https://github.com/UB-Mannheim/tesseract/wiki target=_blank rel="noopener noreferrer" class="">https://github.com/UB-Mannheim/tesseract/wiki</a></p>
<hr/>
<h2 class="anchor anchorTargetStickyNavbar_Vzrq" id=-verify-installation>✅ VERIFY INSTALLATION<a href=#-verify-installation class=hash-link aria-label="Direct link to ✅ VERIFY INSTALLATION" title="Direct link to ✅ VERIFY INSTALLATION" translate=no></a></h2>
<div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-bash codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token plain"># Test all libraries</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">python -c "</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">import PyPDF2</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">import pdfplumber</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">from pptx import Presentation</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">from docx import Document</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">import openpyxl</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">print('✅ All document libraries installed!')</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">"</span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"># Test OCR (optional)</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">python -c "</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">import pytesseract</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">from PIL import Image</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">print('✅ OCR libraries installed!')</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">print(f'Tesseract version: {pytesseract.get_tesseract_version()}')</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">"</span><br/></div></code></pre></div></div>
<hr/>
<h2 class="anchor anchorTargetStickyNavbar_Vzrq" id=-test-with-real-document>🎯 TEST WITH REAL DOCUMENT<a href=#-test-with-real-document class=hash-link aria-label="Direct link to 🎯 TEST WITH REAL DOCUMENT" title="Direct link to 🎯 TEST WITH REAL DOCUMENT" translate=no></a></h2>
<div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-bash codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token plain"># Test PDF extraction</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">python extraction/universal_extractor.py https://example.com/document.pdf</span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"># Test PowerPoint extraction</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">python extraction/universal_extractor.py https://example.com/presentation.pptx</span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"># Test Word extraction</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">python extraction/universal_extractor.py https://example.com/document.docx</span><br/></div></code></pre></div></div>
<hr/>
<h2 class="anchor anchorTargetStickyNavbar_Vzrq" id=-troubleshooting>🆘 TROUBLESHOOTING<a href=#-troubleshooting class=hash-link aria-label="Direct link to 🆘 TROUBLESHOOTING" title="Direct link to 🆘 TROUBLESHOOTING" translate=no></a></h2>
<h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=no-module-named-pypdf2>"No module named 'PyPDF2'"<a href=#no-module-named-pypdf2 class=hash-link aria-label="Direct link to &quot;No module named 'PyPDF2'&quot;" title="Direct link to &quot;No module named 'PyPDF2'&quot;" translate=no></a></h3>
<div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-bash codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token plain">pip install PyPDF2</span><br/></div></code></pre></div></div>
<h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=pytesseract-is-not-installed>"pytesseract is not installed"<a href=#pytesseract-is-not-installed class=hash-link aria-label='Direct link to "pytesseract is not installed"' title='Direct link to "pytesseract is not installed"' translate=no></a></h3>
<div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-bash codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token plain"># Install Python package</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">pip install pytesseract</span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"># Install system package (Ubuntu)</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">sudo apt-get install tesseract-ocr</span><br/></div></code></pre></div></div>
<h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=tesseractnotfounderror>"TesseractNotFoundError"<a href=#tesseractnotfounderror class=hash-link aria-label='Direct link to "TesseractNotFoundError"' title='Direct link to "TesseractNotFoundError"' translate=no></a></h3>
<div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-bash codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token plain"># On Ubuntu/Debian</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">sudo apt-get install tesseract-ocr</span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"># On macOS</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">brew install tesseract</span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"># On Windows</span><br/></div><div class=token-line style=color:#393A34><span class="token plain"># Download from: https://github.com/UB-Mannheim/tesseract/wiki</span><br/></div><div class=token-line style=color:#393A34><span class="token plain"># Add to PATH after installation</span><br/></div></code></pre></div></div>
<h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=permission-denied>"Permission denied"<a href=#permission-denied class=hash-link aria-label='Direct link to "Permission denied"' title='Direct link to "Permission denied"' translate=no></a></h3>
<div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-bash codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token plain"># Make sure you're in virtual environment</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">source venv/bin/activate</span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"># Then retry installation</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">pip install -r requirements.txt</span><br/></div></code></pre></div></div>
<hr/>
<h2 class="anchor anchorTargetStickyNavbar_Vzrq" id=-storage-impact>📊 STORAGE IMPACT<a href=#-storage-impact class=hash-link aria-label="Direct link to 📊 STORAGE IMPACT" title="Direct link to 📊 STORAGE IMPACT" translate=no></a></h2>
<p><strong>Even with all libraries installed:</strong></p>
<ul>
<li class="">Virtual environment size: ~500 MB (unchanged)</li>
<li class="">Libraries add: ~8 MB</li>
<li class=""><strong>Total: Still under 1 GB</strong> ✅</li>
</ul>
<p><strong>Processing impact:</strong></p>
<ul>
<li class="">Extract text from 1000 PDFs: ~50 MB local storage (temporary)</li>
<li class="">Store in Parquet: ~5 MB (compressed)</li>
<li class=""><strong>Save 90% storage vs storing original files</strong> ✅</li>
</ul>
<hr/>
<h2 class="anchor anchorTargetStickyNavbar_Vzrq" id=-done>✅ DONE!<a href=#-done class=hash-link aria-label="Direct link to ✅ DONE!" title="Direct link to ✅ DONE!" translate=no></a></h2>
<p><strong>You can now extract text from:</strong></p>
<ul>
<li class="">✅ PDF documents</li>
<li class="">✅ PowerPoint presentations</li>
<li class="">✅ Word documents</li>
<li class="">✅ Excel spreadsheets</li>
<li class="">✅ HTML pages</li>
<li class="">✅ Scanned documents (with OCR)</li>
</ul>
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href=#windows class="table-of-contents__link toc-highlight">Windows:</a></ul><li><a href=#-verify-installation class="table-of-contents__link toc-highlight">✅ VERIFY INSTALLATION</a><li><a href=#-test-with-real-document class="table-of-contents__link toc-highlight">🎯 TEST WITH REAL DOCUMENT</a><li><a href=#-troubleshooting class="table-of-contents__link toc-highlight">🆘 TROUBLESHOOTING</a><ul><li><a href=#no-module-named-pypdf2 class="table-of-contents__link toc-highlight">"No module named 'PyPDF2'"</a><li><a href=#pytesseract-is-not-installed class="table-of-contents__link toc-highlight">"pytesseract is not installed"</a><li><a href=#tesseractnotfounderror class="table-of-contents__link toc-highlight">"TesseractNotFoundError"</a><li><a href=#permission-denied class="table-of-contents__link toc-highlight">"Permission denied"</a></ul><li><a href=#-storage-impact class="table-of-contents__link toc-highlight">📊 STORAGE IMPACT</a><li><a href=#-done class="table-of-contents__link toc-highlight">✅ DONE!</a></ul></div></div></div></div></main></div></div></div><footer class="theme-layout-footer footer footer--dark"><div class="container container-fluid"><div class="row footer__links"><div class="theme-layout-footer-column col footer__col"><div class=footer__title>Documentation</div><ul class="footer__items clean-list"><li class=footer__item><a class=footer__link-item href=/docs/intro>Getting Started</a><li class=footer__item><a class=footer__link-item href=/docs/data-sources/citations>Citations & Data Sources</a><li class=footer__item><a class=footer__link-item href=/docs/data-sources/overview>Data Sources</a><li class=footer__item><a class=footer__link-item href=/docs/for-developers>For Developers</a></ul></div><div class="theme-layout-footer-column col footer__col"><div class=footer__title>Resources</div><ul class="footer__items clean-list"><li class=footer__item><a href=https://www.communityone.com target=_blank rel="noopener noreferrer" 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