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.claude/skills/skill-creator/agents/analyzer.md new file: .claude/skills/skill-creator/agents/comparator.md new file: .claude/skills/skill-creator/agents/grader.md new file: .claude/skills/skill-creator/assets/eval_review.html new file: .claude/skills/skill-creator/eval-viewer/generate_review.py new file: .claude/skills/skill-creator/eval-viewer/viewer.html new file: .claude/skills/skill-creator/references/schemas.md new file: .claude/skills/skill-creator/scripts/__init__.py new file: .claude/skills/skill-creator/scripts/aggregate_benchmark.py new file: .claude/skills/skill-creator/scripts/generate_report.py new file: .claude/skills/skill-creator/scripts/improve_description.py new file: .claude/skills/skill-creator/scripts/package_skill.py new file: .claude/skills/skill-creator/scripts/quick_validate.py new file: .claude/skills/skill-creator/scripts/run_eval.py new file: .claude/skills/skill-creator/scripts/run_loop.py new file: .claude/skills/skill-creator/scripts/utils.py new file: .claude/skills/slack-gif-creator/.openskills.json new file: .claude/skills/slack-gif-creator/LICENSE.txt new file: .claude/skills/slack-gif-creator/SKILL.md new file: .claude/skills/slack-gif-creator/core/easing.py new file: .claude/skills/slack-gif-creator/core/frame_composer.py new file: .claude/skills/slack-gif-creator/core/gif_builder.py new file: .claude/skills/slack-gif-creator/core/validators.py new file: .claude/skills/slack-gif-creator/requirements.txt new file: .claude/skills/template/.openskills.json new file: .claude/skills/template/SKILL.md new file: .claude/skills/theme-factory/.openskills.json new file: .claude/skills/theme-factory/LICENSE.txt new file: .claude/skills/theme-factory/SKILL.md new file: .claude/skills/theme-factory/theme-showcase.pdf new file: .claude/skills/theme-factory/themes/arctic-frost.md new file: .claude/skills/theme-factory/themes/botanical-garden.md new file: .claude/skills/theme-factory/themes/desert-rose.md new file: .claude/skills/theme-factory/themes/forest-canopy.md new file: .claude/skills/theme-factory/themes/golden-hour.md new file: .claude/skills/theme-factory/themes/midnight-galaxy.md new file: .claude/skills/theme-factory/themes/modern-minimalist.md new file: .claude/skills/theme-factory/themes/ocean-depths.md new file: .claude/skills/theme-factory/themes/sunset-boulevard.md new file: .claude/skills/theme-factory/themes/tech-innovation.md new file: .claude/skills/web-artifacts-builder/.openskills.json new file: .claude/skills/web-artifacts-builder/LICENSE.txt new file: .claude/skills/web-artifacts-builder/SKILL.md new file: .claude/skills/web-artifacts-builder/scripts/bundle-artifact.sh new file: .claude/skills/web-artifacts-builder/scripts/init-artifact.sh new file: .claude/skills/web-artifacts-builder/scripts/shadcn-components.tar.gz new file: .claude/skills/webapp-testing/.openskills.json new file: .claude/skills/webapp-testing/LICENSE.txt new file: .claude/skills/webapp-testing/SKILL.md new file: .claude/skills/webapp-testing/examples/console_logging.py new file: .claude/skills/webapp-testing/examples/element_discovery.py new file: .claude/skills/webapp-testing/examples/static_html_automation.py new file: .claude/skills/webapp-testing/scripts/with_server.py new file: .claude/skills/xlsx/.openskills.json new file: .claude/skills/xlsx/LICENSE.txt new file: .claude/skills/xlsx/SKILL.md new file: .claude/skills/xlsx/scripts/office/helpers/__init__.py new file: .claude/skills/xlsx/scripts/office/helpers/merge_runs.py new file: .claude/skills/xlsx/scripts/office/helpers/simplify_redlines.py new file: .claude/skills/xlsx/scripts/office/pack.py new file: .claude/skills/xlsx/scripts/office/schemas/ISO-IEC29500-4_2016/dml-chart.xsd new file: .claude/skills/xlsx/scripts/office/schemas/ISO-IEC29500-4_2016/dml-chartDrawing.xsd new file: .claude/skills/xlsx/scripts/office/schemas/ISO-IEC29500-4_2016/dml-diagram.xsd new file: .claude/skills/xlsx/scripts/office/schemas/ISO-IEC29500-4_2016/dml-lockedCanvas.xsd new file: .claude/skills/xlsx/scripts/office/schemas/ISO-IEC29500-4_2016/dml-main.xsd new file: .claude/skills/xlsx/scripts/office/schemas/ISO-IEC29500-4_2016/dml-picture.xsd new file: .claude/skills/xlsx/scripts/office/schemas/ISO-IEC29500-4_2016/dml-spreadsheetDrawing.xsd new file: .claude/skills/xlsx/scripts/office/schemas/ISO-IEC29500-4_2016/dml-wordprocessingDrawing.xsd new file: .claude/skills/xlsx/scripts/office/schemas/ISO-IEC29500-4_2016/pml.xsd new file: .claude/skills/xlsx/scripts/office/schemas/ISO-IEC29500-4_2016/shared-additionalCharacteristics.xsd new file: .claude/skills/xlsx/scripts/office/schemas/ISO-IEC29500-4_2016/shared-bibliography.xsd new file: .claude/skills/xlsx/scripts/office/schemas/ISO-IEC29500-4_2016/shared-commonSimpleTypes.xsd new file: .claude/skills/xlsx/scripts/office/schemas/ISO-IEC29500-4_2016/shared-customXmlDataProperties.xsd new file: .claude/skills/xlsx/scripts/office/schemas/ISO-IEC29500-4_2016/shared-customXmlSchemaProperties.xsd new file: .claude/skills/xlsx/scripts/office/schemas/ISO-IEC29500-4_2016/shared-documentPropertiesCustom.xsd new file: .claude/skills/xlsx/scripts/office/schemas/ISO-IEC29500-4_2016/shared-documentPropertiesExtended.xsd new file: .claude/skills/xlsx/scripts/office/schemas/ISO-IEC29500-4_2016/shared-documentPropertiesVariantTypes.xsd new file: .claude/skills/xlsx/scripts/office/schemas/ISO-IEC29500-4_2016/shared-math.xsd new file: .claude/skills/xlsx/scripts/office/schemas/ISO-IEC29500-4_2016/shared-relationshipReference.xsd new file: .claude/skills/xlsx/scripts/office/schemas/ISO-IEC29500-4_2016/sml.xsd new file: .claude/skills/xlsx/scripts/office/schemas/ISO-IEC29500-4_2016/vml-main.xsd new file: .claude/skills/xlsx/scripts/office/schemas/ISO-IEC29500-4_2016/vml-officeDrawing.xsd new file: .claude/skills/xlsx/scripts/office/schemas/ISO-IEC29500-4_2016/vml-presentationDrawing.xsd new file: .claude/skills/xlsx/scripts/office/schemas/ISO-IEC29500-4_2016/vml-spreadsheetDrawing.xsd new file: .claude/skills/xlsx/scripts/office/schemas/ISO-IEC29500-4_2016/vml-wordprocessingDrawing.xsd new file: .claude/skills/xlsx/scripts/office/schemas/ISO-IEC29500-4_2016/wml.xsd new file: .claude/skills/xlsx/scripts/office/schemas/ISO-IEC29500-4_2016/xml.xsd new file: .claude/skills/xlsx/scripts/office/schemas/ecma/fouth-edition/opc-contentTypes.xsd new file: .claude/skills/xlsx/scripts/office/schemas/ecma/fouth-edition/opc-coreProperties.xsd new file: .claude/skills/xlsx/scripts/office/schemas/ecma/fouth-edition/opc-digSig.xsd new file: .claude/skills/xlsx/scripts/office/schemas/ecma/fouth-edition/opc-relationships.xsd new file: .claude/skills/xlsx/scripts/office/schemas/mce/mc.xsd new file: .claude/skills/xlsx/scripts/office/schemas/microsoft/wml-2010.xsd new file: .claude/skills/xlsx/scripts/office/schemas/microsoft/wml-2012.xsd new file: .claude/skills/xlsx/scripts/office/schemas/microsoft/wml-2018.xsd new file: .claude/skills/xlsx/scripts/office/schemas/microsoft/wml-cex-2018.xsd new file: .claude/skills/xlsx/scripts/office/schemas/microsoft/wml-cid-2016.xsd new file: .claude/skills/xlsx/scripts/office/schemas/microsoft/wml-sdtdatahash-2020.xsd new file: .claude/skills/xlsx/scripts/office/schemas/microsoft/wml-symex-2015.xsd new file: .claude/skills/xlsx/scripts/office/soffice.py new file: .claude/skills/xlsx/scripts/office/unpack.py new file: .claude/skills/xlsx/scripts/office/validate.py new file: .claude/skills/xlsx/scripts/office/validators/__init__.py new file: .claude/skills/xlsx/scripts/office/validators/base.py new file: .claude/skills/xlsx/scripts/office/validators/docx.py new file: .claude/skills/xlsx/scripts/office/validators/pptx.py new file: .claude/skills/xlsx/scripts/office/validators/redlining.py new file: .claude/skills/xlsx/scripts/recalc.py new file: .env.example new file: .gitignore new file: config/mcp.json new file: config/models.json new file: config/personalities.json new file: docs/AGENTS.md new file: docs/AI_IMPLEMENTATION.md new file: docs/AI_INTEGRATION_COMPLETE.md new file: docs/AI_QUICKSTART.md new file: docs/AI_SUMMARY.md new file: docs/CHANGELOG.md new file: docs/CONFIG_GUIDE.md new file: docs/FIXES.md new file: docs/PROJECT_REFACTOR.md new file: docs/README.md new file: docs/README_INDEX.md new file: examples/ai_example.py new file: main.py new file: pytest.ini new file: requirements.txt new file: scripts/migrate_to_vector_db.py new file: skills/cmd_zip_skill/README.md new file: skills/cmd_zip_skill/__init__.py new file: skills/cmd_zip_skill/main.py new file: skills/cmd_zip_skill/skill.json new file: skills/cmd_zip_skill_1772465404375/README.md new file: skills/cmd_zip_skill_1772465404375/__init__.py new file: skills/cmd_zip_skill_1772465404375/main.py new file: skills/cmd_zip_skill_1772465404375/skill.json new file: skills/cmd_zip_skill_1772465434774/README.md new file: skills/cmd_zip_skill_1772465434774/__init__.py new file: skills/cmd_zip_skill_1772465434774/main.py new file: skills/cmd_zip_skill_1772465434774/skill.json new file: skills/cmd_zip_skill_1772465467809/README.md new file: skills/cmd_zip_skill_1772465467809/__init__.py new file: skills/cmd_zip_skill_1772465467809/main.py new file: skills/cmd_zip_skill_1772465467809/skill.json new file: skills/cmd_zip_skill_1772465652075/README.md new file: skills/cmd_zip_skill_1772465652075/__init__.py new file: skills/cmd_zip_skill_1772465652075/main.py new file: skills/cmd_zip_skill_1772465652075/skill.json new file: skills/cmd_zip_skill_1772465685352/README.md new file: skills/cmd_zip_skill_1772465685352/__init__.py new file: skills/cmd_zip_skill_1772465685352/main.py new file: skills/cmd_zip_skill_1772465685352/skill.json new file: skills/cmd_zip_skill_1772465936294/README.md new file: skills/cmd_zip_skill_1772465936294/__init__.py new file: skills/cmd_zip_skill_1772465936294/main.py new file: skills/cmd_zip_skill_1772465936294/skill.json new file: skills/cmd_zip_skill_1772465966322/README.md new file: skills/cmd_zip_skill_1772465966322/__init__.py new file: skills/cmd_zip_skill_1772465966322/main.py new file: skills/cmd_zip_skill_1772465966322/skill.json new file: skills/cmd_zip_skill_1772466071278/README.md new file: skills/cmd_zip_skill_1772466071278/__init__.py new file: skills/cmd_zip_skill_1772466071278/main.py new file: skills/cmd_zip_skill_1772466071278/skill.json new file: skills/skills_creator/README.md new file: skills/skills_creator/__init__.py new file: skills/skills_creator/main.py new file: skills/skills_creator/skill.json new file: src/__init__.py new file: src/ai/__init__.py new file: src/ai/base.py new file: src/ai/client.py new file: src/ai/docs/README.md new file: src/ai/mcp/__init__.py new file: src/ai/mcp/base.py new file: src/ai/mcp/servers/__init__.py new file: src/ai/mcp/servers/filesystem.py new file: src/ai/memory.py new file: src/ai/models/__init__.py new file: src/ai/models/anthropic_model.py new file: src/ai/models/openai_model.py new file: src/ai/personality.py new file: src/ai/skills/__init__.py new file: src/ai/skills/base.py new file: src/ai/task_manager.py new file: src/ai/vector_store/__init__.py new file: src/ai/vector_store/base.py new file: src/ai/vector_store/chroma_store.py new file: src/ai/vector_store/json_store.py new file: src/core/__init__.py new file: src/core/bot.py new file: src/core/config.py new file: src/handlers/__init__.py new file: src/handlers/message_handler.py new file: src/handlers/message_handler_ai.py new file: src/utils/__init__.py new file: src/utils/logger.py new file: start.bat new file: tests/test_ai.py
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# PDF Processing Advanced Reference
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This document contains advanced PDF processing features, detailed examples, and additional libraries not covered in the main skill instructions.
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## pypdfium2 Library (Apache/BSD License)
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### Overview
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pypdfium2 is a Python binding for PDFium (Chromium's PDF library). It's excellent for fast PDF rendering, image generation, and serves as a PyMuPDF replacement.
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### Render PDF to Images
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```python
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import pypdfium2 as pdfium
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from PIL import Image
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# Load PDF
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pdf = pdfium.PdfDocument("document.pdf")
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# Render page to image
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page = pdf[0] # First page
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bitmap = page.render(
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scale=2.0, # Higher resolution
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rotation=0 # No rotation
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)
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# Convert to PIL Image
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img = bitmap.to_pil()
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img.save("page_1.png", "PNG")
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# Process multiple pages
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for i, page in enumerate(pdf):
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bitmap = page.render(scale=1.5)
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img = bitmap.to_pil()
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img.save(f"page_{i+1}.jpg", "JPEG", quality=90)
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```
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### Extract Text with pypdfium2
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```python
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import pypdfium2 as pdfium
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pdf = pdfium.PdfDocument("document.pdf")
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for i, page in enumerate(pdf):
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text = page.get_text()
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print(f"Page {i+1} text length: {len(text)} chars")
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```
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## JavaScript Libraries
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### pdf-lib (MIT License)
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pdf-lib is a powerful JavaScript library for creating and modifying PDF documents in any JavaScript environment.
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#### Load and Manipulate Existing PDF
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```javascript
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import { PDFDocument } from 'pdf-lib';
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import fs from 'fs';
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async function manipulatePDF() {
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// Load existing PDF
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const existingPdfBytes = fs.readFileSync('input.pdf');
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const pdfDoc = await PDFDocument.load(existingPdfBytes);
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// Get page count
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const pageCount = pdfDoc.getPageCount();
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console.log(`Document has ${pageCount} pages`);
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// Add new page
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const newPage = pdfDoc.addPage([600, 400]);
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newPage.drawText('Added by pdf-lib', {
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x: 100,
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y: 300,
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size: 16
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});
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// Save modified PDF
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const pdfBytes = await pdfDoc.save();
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fs.writeFileSync('modified.pdf', pdfBytes);
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}
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```
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#### Create Complex PDFs from Scratch
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```javascript
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import { PDFDocument, rgb, StandardFonts } from 'pdf-lib';
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import fs from 'fs';
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async function createPDF() {
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const pdfDoc = await PDFDocument.create();
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// Add fonts
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const helveticaFont = await pdfDoc.embedFont(StandardFonts.Helvetica);
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const helveticaBold = await pdfDoc.embedFont(StandardFonts.HelveticaBold);
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// Add page
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const page = pdfDoc.addPage([595, 842]); // A4 size
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const { width, height } = page.getSize();
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// Add text with styling
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page.drawText('Invoice #12345', {
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x: 50,
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y: height - 50,
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size: 18,
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font: helveticaBold,
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color: rgb(0.2, 0.2, 0.8)
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});
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// Add rectangle (header background)
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page.drawRectangle({
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x: 40,
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y: height - 100,
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width: width - 80,
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height: 30,
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color: rgb(0.9, 0.9, 0.9)
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});
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// Add table-like content
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const items = [
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['Item', 'Qty', 'Price', 'Total'],
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['Widget', '2', '$50', '$100'],
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['Gadget', '1', '$75', '$75']
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];
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let yPos = height - 150;
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items.forEach(row => {
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let xPos = 50;
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row.forEach(cell => {
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page.drawText(cell, {
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x: xPos,
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y: yPos,
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size: 12,
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font: helveticaFont
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});
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xPos += 120;
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});
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yPos -= 25;
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});
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const pdfBytes = await pdfDoc.save();
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fs.writeFileSync('created.pdf', pdfBytes);
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}
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```
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#### Advanced Merge and Split Operations
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```javascript
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import { PDFDocument } from 'pdf-lib';
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import fs from 'fs';
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async function mergePDFs() {
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// Create new document
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const mergedPdf = await PDFDocument.create();
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// Load source PDFs
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const pdf1Bytes = fs.readFileSync('doc1.pdf');
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const pdf2Bytes = fs.readFileSync('doc2.pdf');
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const pdf1 = await PDFDocument.load(pdf1Bytes);
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const pdf2 = await PDFDocument.load(pdf2Bytes);
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// Copy pages from first PDF
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const pdf1Pages = await mergedPdf.copyPages(pdf1, pdf1.getPageIndices());
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pdf1Pages.forEach(page => mergedPdf.addPage(page));
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// Copy specific pages from second PDF (pages 0, 2, 4)
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const pdf2Pages = await mergedPdf.copyPages(pdf2, [0, 2, 4]);
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pdf2Pages.forEach(page => mergedPdf.addPage(page));
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const mergedPdfBytes = await mergedPdf.save();
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fs.writeFileSync('merged.pdf', mergedPdfBytes);
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}
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```
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### pdfjs-dist (Apache License)
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PDF.js is Mozilla's JavaScript library for rendering PDFs in the browser.
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#### Basic PDF Loading and Rendering
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```javascript
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import * as pdfjsLib from 'pdfjs-dist';
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// Configure worker (important for performance)
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pdfjsLib.GlobalWorkerOptions.workerSrc = './pdf.worker.js';
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async function renderPDF() {
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// Load PDF
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const loadingTask = pdfjsLib.getDocument('document.pdf');
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const pdf = await loadingTask.promise;
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console.log(`Loaded PDF with ${pdf.numPages} pages`);
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// Get first page
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const page = await pdf.getPage(1);
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const viewport = page.getViewport({ scale: 1.5 });
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// Render to canvas
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const canvas = document.createElement('canvas');
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const context = canvas.getContext('2d');
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canvas.height = viewport.height;
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canvas.width = viewport.width;
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const renderContext = {
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canvasContext: context,
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viewport: viewport
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};
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await page.render(renderContext).promise;
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document.body.appendChild(canvas);
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}
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```
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#### Extract Text with Coordinates
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```javascript
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import * as pdfjsLib from 'pdfjs-dist';
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async function extractText() {
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const loadingTask = pdfjsLib.getDocument('document.pdf');
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const pdf = await loadingTask.promise;
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let fullText = '';
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// Extract text from all pages
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for (let i = 1; i <= pdf.numPages; i++) {
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const page = await pdf.getPage(i);
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const textContent = await page.getTextContent();
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const pageText = textContent.items
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.map(item => item.str)
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.join(' ');
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fullText += `\n--- Page ${i} ---\n${pageText}`;
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// Get text with coordinates for advanced processing
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const textWithCoords = textContent.items.map(item => ({
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text: item.str,
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x: item.transform[4],
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y: item.transform[5],
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width: item.width,
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height: item.height
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}));
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}
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|
||||
console.log(fullText);
|
||||
return fullText;
|
||||
}
|
||||
```
|
||||
|
||||
#### Extract Annotations and Forms
|
||||
```javascript
|
||||
import * as pdfjsLib from 'pdfjs-dist';
|
||||
|
||||
async function extractAnnotations() {
|
||||
const loadingTask = pdfjsLib.getDocument('annotated.pdf');
|
||||
const pdf = await loadingTask.promise;
|
||||
|
||||
for (let i = 1; i <= pdf.numPages; i++) {
|
||||
const page = await pdf.getPage(i);
|
||||
const annotations = await page.getAnnotations();
|
||||
|
||||
annotations.forEach(annotation => {
|
||||
console.log(`Annotation type: ${annotation.subtype}`);
|
||||
console.log(`Content: ${annotation.contents}`);
|
||||
console.log(`Coordinates: ${JSON.stringify(annotation.rect)}`);
|
||||
});
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
## Advanced Command-Line Operations
|
||||
|
||||
### poppler-utils Advanced Features
|
||||
|
||||
#### Extract Text with Bounding Box Coordinates
|
||||
```bash
|
||||
# Extract text with bounding box coordinates (essential for structured data)
|
||||
pdftotext -bbox-layout document.pdf output.xml
|
||||
|
||||
# The XML output contains precise coordinates for each text element
|
||||
```
|
||||
|
||||
#### Advanced Image Conversion
|
||||
```bash
|
||||
# Convert to PNG images with specific resolution
|
||||
pdftoppm -png -r 300 document.pdf output_prefix
|
||||
|
||||
# Convert specific page range with high resolution
|
||||
pdftoppm -png -r 600 -f 1 -l 3 document.pdf high_res_pages
|
||||
|
||||
# Convert to JPEG with quality setting
|
||||
pdftoppm -jpeg -jpegopt quality=85 -r 200 document.pdf jpeg_output
|
||||
```
|
||||
|
||||
#### Extract Embedded Images
|
||||
```bash
|
||||
# Extract all embedded images with metadata
|
||||
pdfimages -j -p document.pdf page_images
|
||||
|
||||
# List image info without extracting
|
||||
pdfimages -list document.pdf
|
||||
|
||||
# Extract images in their original format
|
||||
pdfimages -all document.pdf images/img
|
||||
```
|
||||
|
||||
### qpdf Advanced Features
|
||||
|
||||
#### Complex Page Manipulation
|
||||
```bash
|
||||
# Split PDF into groups of pages
|
||||
qpdf --split-pages=3 input.pdf output_group_%02d.pdf
|
||||
|
||||
# Extract specific pages with complex ranges
|
||||
qpdf input.pdf --pages input.pdf 1,3-5,8,10-end -- extracted.pdf
|
||||
|
||||
# Merge specific pages from multiple PDFs
|
||||
qpdf --empty --pages doc1.pdf 1-3 doc2.pdf 5-7 doc3.pdf 2,4 -- combined.pdf
|
||||
```
|
||||
|
||||
#### PDF Optimization and Repair
|
||||
```bash
|
||||
# Optimize PDF for web (linearize for streaming)
|
||||
qpdf --linearize input.pdf optimized.pdf
|
||||
|
||||
# Remove unused objects and compress
|
||||
qpdf --optimize-level=all input.pdf compressed.pdf
|
||||
|
||||
# Attempt to repair corrupted PDF structure
|
||||
qpdf --check input.pdf
|
||||
qpdf --fix-qdf damaged.pdf repaired.pdf
|
||||
|
||||
# Show detailed PDF structure for debugging
|
||||
qpdf --show-all-pages input.pdf > structure.txt
|
||||
```
|
||||
|
||||
#### Advanced Encryption
|
||||
```bash
|
||||
# Add password protection with specific permissions
|
||||
qpdf --encrypt user_pass owner_pass 256 --print=none --modify=none -- input.pdf encrypted.pdf
|
||||
|
||||
# Check encryption status
|
||||
qpdf --show-encryption encrypted.pdf
|
||||
|
||||
# Remove password protection (requires password)
|
||||
qpdf --password=secret123 --decrypt encrypted.pdf decrypted.pdf
|
||||
```
|
||||
|
||||
## Advanced Python Techniques
|
||||
|
||||
### pdfplumber Advanced Features
|
||||
|
||||
#### Extract Text with Precise Coordinates
|
||||
```python
|
||||
import pdfplumber
|
||||
|
||||
with pdfplumber.open("document.pdf") as pdf:
|
||||
page = pdf.pages[0]
|
||||
|
||||
# Extract all text with coordinates
|
||||
chars = page.chars
|
||||
for char in chars[:10]: # First 10 characters
|
||||
print(f"Char: '{char['text']}' at x:{char['x0']:.1f} y:{char['y0']:.1f}")
|
||||
|
||||
# Extract text by bounding box (left, top, right, bottom)
|
||||
bbox_text = page.within_bbox((100, 100, 400, 200)).extract_text()
|
||||
```
|
||||
|
||||
#### Advanced Table Extraction with Custom Settings
|
||||
```python
|
||||
import pdfplumber
|
||||
import pandas as pd
|
||||
|
||||
with pdfplumber.open("complex_table.pdf") as pdf:
|
||||
page = pdf.pages[0]
|
||||
|
||||
# Extract tables with custom settings for complex layouts
|
||||
table_settings = {
|
||||
"vertical_strategy": "lines",
|
||||
"horizontal_strategy": "lines",
|
||||
"snap_tolerance": 3,
|
||||
"intersection_tolerance": 15
|
||||
}
|
||||
tables = page.extract_tables(table_settings)
|
||||
|
||||
# Visual debugging for table extraction
|
||||
img = page.to_image(resolution=150)
|
||||
img.save("debug_layout.png")
|
||||
```
|
||||
|
||||
### reportlab Advanced Features
|
||||
|
||||
#### Create Professional Reports with Tables
|
||||
```python
|
||||
from reportlab.platypus import SimpleDocTemplate, Table, TableStyle, Paragraph
|
||||
from reportlab.lib.styles import getSampleStyleSheet
|
||||
from reportlab.lib import colors
|
||||
|
||||
# Sample data
|
||||
data = [
|
||||
['Product', 'Q1', 'Q2', 'Q3', 'Q4'],
|
||||
['Widgets', '120', '135', '142', '158'],
|
||||
['Gadgets', '85', '92', '98', '105']
|
||||
]
|
||||
|
||||
# Create PDF with table
|
||||
doc = SimpleDocTemplate("report.pdf")
|
||||
elements = []
|
||||
|
||||
# Add title
|
||||
styles = getSampleStyleSheet()
|
||||
title = Paragraph("Quarterly Sales Report", styles['Title'])
|
||||
elements.append(title)
|
||||
|
||||
# Add table with advanced styling
|
||||
table = Table(data)
|
||||
table.setStyle(TableStyle([
|
||||
('BACKGROUND', (0, 0), (-1, 0), colors.grey),
|
||||
('TEXTCOLOR', (0, 0), (-1, 0), colors.whitesmoke),
|
||||
('ALIGN', (0, 0), (-1, -1), 'CENTER'),
|
||||
('FONTNAME', (0, 0), (-1, 0), 'Helvetica-Bold'),
|
||||
('FONTSIZE', (0, 0), (-1, 0), 14),
|
||||
('BOTTOMPADDING', (0, 0), (-1, 0), 12),
|
||||
('BACKGROUND', (0, 1), (-1, -1), colors.beige),
|
||||
('GRID', (0, 0), (-1, -1), 1, colors.black)
|
||||
]))
|
||||
elements.append(table)
|
||||
|
||||
doc.build(elements)
|
||||
```
|
||||
|
||||
## Complex Workflows
|
||||
|
||||
### Extract Figures/Images from PDF
|
||||
|
||||
#### Method 1: Using pdfimages (fastest)
|
||||
```bash
|
||||
# Extract all images with original quality
|
||||
pdfimages -all document.pdf images/img
|
||||
```
|
||||
|
||||
#### Method 2: Using pypdfium2 + Image Processing
|
||||
```python
|
||||
import pypdfium2 as pdfium
|
||||
from PIL import Image
|
||||
import numpy as np
|
||||
|
||||
def extract_figures(pdf_path, output_dir):
|
||||
pdf = pdfium.PdfDocument(pdf_path)
|
||||
|
||||
for page_num, page in enumerate(pdf):
|
||||
# Render high-resolution page
|
||||
bitmap = page.render(scale=3.0)
|
||||
img = bitmap.to_pil()
|
||||
|
||||
# Convert to numpy for processing
|
||||
img_array = np.array(img)
|
||||
|
||||
# Simple figure detection (non-white regions)
|
||||
mask = np.any(img_array != [255, 255, 255], axis=2)
|
||||
|
||||
# Find contours and extract bounding boxes
|
||||
# (This is simplified - real implementation would need more sophisticated detection)
|
||||
|
||||
# Save detected figures
|
||||
# ... implementation depends on specific needs
|
||||
```
|
||||
|
||||
### Batch PDF Processing with Error Handling
|
||||
```python
|
||||
import os
|
||||
import glob
|
||||
from pypdf import PdfReader, PdfWriter
|
||||
import logging
|
||||
|
||||
logging.basicConfig(level=logging.INFO)
|
||||
logger = logging.getLogger(__name__)
|
||||
|
||||
def batch_process_pdfs(input_dir, operation='merge'):
|
||||
pdf_files = glob.glob(os.path.join(input_dir, "*.pdf"))
|
||||
|
||||
if operation == 'merge':
|
||||
writer = PdfWriter()
|
||||
for pdf_file in pdf_files:
|
||||
try:
|
||||
reader = PdfReader(pdf_file)
|
||||
for page in reader.pages:
|
||||
writer.add_page(page)
|
||||
logger.info(f"Processed: {pdf_file}")
|
||||
except Exception as e:
|
||||
logger.error(f"Failed to process {pdf_file}: {e}")
|
||||
continue
|
||||
|
||||
with open("batch_merged.pdf", "wb") as output:
|
||||
writer.write(output)
|
||||
|
||||
elif operation == 'extract_text':
|
||||
for pdf_file in pdf_files:
|
||||
try:
|
||||
reader = PdfReader(pdf_file)
|
||||
text = ""
|
||||
for page in reader.pages:
|
||||
text += page.extract_text()
|
||||
|
||||
output_file = pdf_file.replace('.pdf', '.txt')
|
||||
with open(output_file, 'w', encoding='utf-8') as f:
|
||||
f.write(text)
|
||||
logger.info(f"Extracted text from: {pdf_file}")
|
||||
|
||||
except Exception as e:
|
||||
logger.error(f"Failed to extract text from {pdf_file}: {e}")
|
||||
continue
|
||||
```
|
||||
|
||||
### Advanced PDF Cropping
|
||||
```python
|
||||
from pypdf import PdfWriter, PdfReader
|
||||
|
||||
reader = PdfReader("input.pdf")
|
||||
writer = PdfWriter()
|
||||
|
||||
# Crop page (left, bottom, right, top in points)
|
||||
page = reader.pages[0]
|
||||
page.mediabox.left = 50
|
||||
page.mediabox.bottom = 50
|
||||
page.mediabox.right = 550
|
||||
page.mediabox.top = 750
|
||||
|
||||
writer.add_page(page)
|
||||
with open("cropped.pdf", "wb") as output:
|
||||
writer.write(output)
|
||||
```
|
||||
|
||||
## Performance Optimization Tips
|
||||
|
||||
### 1. For Large PDFs
|
||||
- Use streaming approaches instead of loading entire PDF in memory
|
||||
- Use `qpdf --split-pages` for splitting large files
|
||||
- Process pages individually with pypdfium2
|
||||
|
||||
### 2. For Text Extraction
|
||||
- `pdftotext -bbox-layout` is fastest for plain text extraction
|
||||
- Use pdfplumber for structured data and tables
|
||||
- Avoid `pypdf.extract_text()` for very large documents
|
||||
|
||||
### 3. For Image Extraction
|
||||
- `pdfimages` is much faster than rendering pages
|
||||
- Use low resolution for previews, high resolution for final output
|
||||
|
||||
### 4. For Form Filling
|
||||
- pdf-lib maintains form structure better than most alternatives
|
||||
- Pre-validate form fields before processing
|
||||
|
||||
### 5. Memory Management
|
||||
```python
|
||||
# Process PDFs in chunks
|
||||
def process_large_pdf(pdf_path, chunk_size=10):
|
||||
reader = PdfReader(pdf_path)
|
||||
total_pages = len(reader.pages)
|
||||
|
||||
for start_idx in range(0, total_pages, chunk_size):
|
||||
end_idx = min(start_idx + chunk_size, total_pages)
|
||||
writer = PdfWriter()
|
||||
|
||||
for i in range(start_idx, end_idx):
|
||||
writer.add_page(reader.pages[i])
|
||||
|
||||
# Process chunk
|
||||
with open(f"chunk_{start_idx//chunk_size}.pdf", "wb") as output:
|
||||
writer.write(output)
|
||||
```
|
||||
|
||||
## Troubleshooting Common Issues
|
||||
|
||||
### Encrypted PDFs
|
||||
```python
|
||||
# Handle password-protected PDFs
|
||||
from pypdf import PdfReader
|
||||
|
||||
try:
|
||||
reader = PdfReader("encrypted.pdf")
|
||||
if reader.is_encrypted:
|
||||
reader.decrypt("password")
|
||||
except Exception as e:
|
||||
print(f"Failed to decrypt: {e}")
|
||||
```
|
||||
|
||||
### Corrupted PDFs
|
||||
```bash
|
||||
# Use qpdf to repair
|
||||
qpdf --check corrupted.pdf
|
||||
qpdf --replace-input corrupted.pdf
|
||||
```
|
||||
|
||||
### Text Extraction Issues
|
||||
```python
|
||||
# Fallback to OCR for scanned PDFs
|
||||
import pytesseract
|
||||
from pdf2image import convert_from_path
|
||||
|
||||
def extract_text_with_ocr(pdf_path):
|
||||
images = convert_from_path(pdf_path)
|
||||
text = ""
|
||||
for i, image in enumerate(images):
|
||||
text += pytesseract.image_to_string(image)
|
||||
return text
|
||||
```
|
||||
|
||||
## License Information
|
||||
|
||||
- **pypdf**: BSD License
|
||||
- **pdfplumber**: MIT License
|
||||
- **pypdfium2**: Apache/BSD License
|
||||
- **reportlab**: BSD License
|
||||
- **poppler-utils**: GPL-2 License
|
||||
- **qpdf**: Apache License
|
||||
- **pdf-lib**: MIT License
|
||||
- **pdfjs-dist**: Apache License
|
||||
Reference in New Issue
Block a user