Files
Kemono-Downloader/src/ui/dialogs/SinglePDF.py
Yuvi9587 fbdae61b80 Commit
2025-07-19 03:28:32 -07:00

108 lines
3.7 KiB
Python

import os
import re
try:
from fpdf import FPDF
FPDF_AVAILABLE = True
except ImportError:
FPDF_AVAILABLE = False
def strip_html_tags(text):
if not text:
return ""
clean = re.compile('<.*?>')
return re.sub(clean, '', text)
class PDF(FPDF):
"""Custom PDF class to handle headers and footers."""
def header(self):
pass
def footer(self):
self.set_y(-15)
if self.font_family:
self.set_font(self.font_family, '', 8)
else:
self.set_font('Arial', '', 8)
self.cell(0, 10, 'Page ' + str(self.page_no()), 0, 0, 'C')
def create_single_pdf_from_content(posts_data, output_filename, font_path, logger=print):
"""
Creates a single, continuous PDF, correctly formatting both descriptions and comments.
"""
if not FPDF_AVAILABLE:
logger("❌ PDF Creation failed: 'fpdf2' library is not installed. Please run: pip install fpdf2")
return False
if not posts_data:
logger(" No text content was collected to create a PDF.")
return False
pdf = PDF()
default_font_family = 'DejaVu'
bold_font_path = ""
if font_path:
bold_font_path = font_path.replace("DejaVuSans.ttf", "DejaVuSans-Bold.ttf")
try:
if not os.path.exists(font_path): raise RuntimeError(f"Font file not found: {font_path}")
if not os.path.exists(bold_font_path): raise RuntimeError(f"Bold font file not found: {bold_font_path}")
pdf.add_font('DejaVu', '', font_path, uni=True)
pdf.add_font('DejaVu', 'B', bold_font_path, uni=True)
except Exception as font_error:
logger(f" ⚠️ Could not load DejaVu font: {font_error}. Falling back to Arial.")
default_font_family = 'Arial'
pdf.add_page()
logger(f" Starting continuous PDF creation with content from {len(posts_data)} posts...")
for i, post in enumerate(posts_data):
if i > 0:
if 'content' in post:
pdf.add_page()
elif 'comments' in post:
pdf.ln(10)
pdf.cell(0, 0, '', border='T')
pdf.ln(10)
pdf.set_font(default_font_family, 'B', 16)
pdf.multi_cell(w=0, h=10, text=post.get('title', 'Untitled Post'), align='L')
pdf.ln(5)
if 'comments' in post and post['comments']:
comments_list = post['comments']
for comment_index, comment in enumerate(comments_list):
user = comment.get('commenter_name', 'Unknown User')
timestamp = comment.get('published', 'No Date')
body = strip_html_tags(comment.get('content', ''))
pdf.set_font(default_font_family, '', 10)
pdf.write(8, "Comment by: ")
if user is not None:
pdf.set_font(default_font_family, 'B', 10)
pdf.write(8, str(user))
pdf.set_font(default_font_family, '', 10)
pdf.write(8, f" on {timestamp}")
pdf.ln(10)
pdf.set_font(default_font_family, '', 11)
pdf.multi_cell(0, 7, body)
if comment_index < len(comments_list) - 1:
pdf.ln(3)
pdf.cell(w=0, h=0, border='T')
pdf.ln(3)
elif 'content' in post:
pdf.set_font(default_font_family, '', 12)
pdf.multi_cell(w=0, h=7, text=post.get('content', 'No Content'))
try:
pdf.output(output_filename)
logger(f"✅ Successfully created single PDF: '{os.path.basename(output_filename)}'")
return True
except Exception as e:
logger(f"❌ A critical error occurred while saving the final PDF: {e}")
return False