c.drawString(50, 750, "សួស្តី! នេះជាឯកសារ PDF ដែលបានផ្ទៀងផ្ទាត់។") c.save()
from fpdf import FPDF class KhmerPDF(FPDF): def header(self): self.set_font('KhmerOS', '', 12) self.cell(0, 10, 'ឯកសារគំរូ (Sample Document)', 0, 1, 'C') # Initialize PDF with UTF-8 support pdf = KhmerPDF() pdf.add_page() # Register the Khmer Unicode font (Ensure the .ttf file is in your project directory) # You can download 'KhmerOS_battambang.ttf' from open-source font repositories pdf.add_font('KhmerOS', '', 'KhmerOS_battambang.ttf', uni=True) pdf.set_font('KhmerOS', '', 16) # Add Khmer text content khmer_text = "សួស្តីពិភពលោក! នេះគឺជាឯកសារ PDF ដែលបង្កើតឡើងដោយប្រើប្រាស់ភាសា Python។" pdf.multi_cell(0, 10, txt=khmer_text) # Save the document pdf.output("khmer_document.pdf") print("PDF generated successfully.") Use code with caution. Implementing Digital Verification
To add a cryptographic signature, use pyHanko . You will need a digital certificate ( .pfx or .pem file). pip install pyhanko Use code with caution.
c = canvas.Canvas("khmer_verified_document.pdf", pagesize=A4)
When mixing scripts, sometimes the "guess" for script direction fails. You can manually set the script by passing script="Khmr" to the text methods if needed. Chapter 3: Fonts - ReportLab Docs
: A professional-grade engine, though it requires more manual setup for complex shaping. Step-by-Step Guide: Creating Khmer PDFs with fpdf2 1. Install Requirements
If you need me to adjust the article for a specific use case (e.g., focus on OCR, legal document extraction, or machine learning datasets), let me know.
Finding verified Python resources in Khmer (Cambodian) often involves navigating through official documentation wikis and local educational platforms. While comprehensive books are rarer than English versions, several community-vetted resources exist. Verified Python Resources in Khmer Python Wiki (Khmer Language) : The official Python Wiki
ReportLab is the industry standard for PDF generation in Python. While standard ReportLab struggles with complex scripts, using it alongside an external layout engine or utilizing its standard TrueType font registration allows for accurate rendering. Step 1: Install Required Libraries pip install reportlab Use code with caution. Step 2: Source code for Verified Khmer Generation
To successfully generate a PDF with correctly shaped Khmer text, the most reliable Python library is . It compiles HTML and CSS into a PDF while utilizing system-level font shaping (Pango/HarfBuzz), ensuring flawless Khmer script layouts. 1. Environment Setup
What do you require? (e.g., verifying a digital signature, checking visual layout integrity, or extracting text to verify content?)
Searching for "Python Khmer PDF" typically leads to resources for Natural Language Processing (NLP) or dataset processing specifically for the Khmer language. Verified Python Khmer PDF Resources Khmer Education PDF Dataset : A verified dataset on Hugging Face
from reportlab.lib.pagesizes import letter from reportlab.platypus import SimpleDocTemplate, Paragraph, Spacer from reportlab.lib.styles import getSampleStyleSheet, ParagraphStyle from reportlab.pdfbase import pdfmetrics from reportlab.pdfbase.ttfonts import TTFont def create_khmer_pdf(filename, text_content): # 1. Register the Khmer Unicode Font # Replace 'KhmerOS_battambang.ttf' with the actual path to your font file try: pdfmetrics.registerFont(TTFont('KhmerOS', 'KhmerOS_battambang.ttf')) except Exception as e: print(f"Error loading font: e") return # 2. Setup Document Layout doc = SimpleDocTemplate(filename, pagesize=letter) story = [] # 3. Define Styles using the Registered Font styles = getSampleStyleSheet() khmer_style = ParagraphStyle( 'KhmerNormal', parent=styles['Normal'], fontName='KhmerOS', fontSize=12, leading=18 # Extra line spacing is crucial for stacked Khmer glyphs ) # 4. Build Content story.append(Paragraph("របាយការណ៍ដែលបានផ្ទៀងផ្ទាត់ (Verified Report)", khmer_style)) story.append(Spacer(1, 20)) story.append(Paragraph(text_content, khmer_style)) # 5. Save PDF doc.build(story) print(f"PDF successfully generated: filename") # Sample verified Khmer string khmer_text = "ភាសាខ្មែរគឺជាភាសាផ្លូវការរបស់ប្រទេសកម្ពុជា។ ការបង្ហាញអក្សរនេះត្រូវតែត្រឹមត្រូវ។" create_khmer_pdf("verified_khmer_output.pdf", khmer_text) Use code with caution.