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feat: Add support for Chinese characters in PDF generation

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hongdongjian
2025-09-04 14:37:35 +08:00
parent 8d170e52c8
commit 7e5e691650
1 changed files with 18 additions and 0 deletions
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18
raganything/parser.py
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@@ -261,6 +261,21 @@ class Parser:
from reportlab.lib.styles import getSampleStyleSheet, ParagraphStyle
from reportlab.lib.units import inch
from reportlab.pdfbase import pdfmetrics
from reportlab.pdfbase.ttfonts import TTFont
support_chinese = True
try:
if 'WenQuanYi' not in pdfmetrics.getRegisteredFontNames():
if not Path('/usr/share/fonts/wqy-microhei/wqy-microhei.ttc').exists():
support_chinese = False
logging.warning(
"WenQuanYi font not found at /usr/share/fonts/wqy-microhei/wqy-microhei.ttc. Chinese characters may not render correctly.")
else:
pdfmetrics.registerFont(
TTFont('WenQuanYi', '/usr/share/fonts/wqy-microhei/wqy-microhei.ttc'))
except Exception as e:
support_chinese = False
logging.warning(
f"Failed to register WenQuanYi font: {e}. Chinese characters may not render correctly.")
# Create PDF document
doc = SimpleDocTemplate(
@@ -276,6 +291,9 @@ class Parser:
styles = getSampleStyleSheet()
normal_style = styles["Normal"]
heading_style = styles["Heading1"]
if support_chinese:
normal_style.fontName = 'WenQuanYi'
heading_style.fontName = 'WenQuanYi'
# Try to register a font that supports Chinese characters
try: