60 lines
1.9 KiB
Python
60 lines
1.9 KiB
Python
import pdfkit
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from md_pdf.consts import TEMPLATES_DIR, STATIC_DIR
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from md_pdf.build.templates import FILE_NAME_FORMAT
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from md_pdf.exceptions import PDFRenderException
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import os
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import logging
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logger = logging.getLogger(__file__)
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DEFAULT_MARGIN_VERTICAL = '1.5cm'
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DEFAULT_MARGIN_HORIZONTAL = '2.5cm'
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STYLE_FILE = os.path.join(STATIC_DIR, 'style.css')
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HEADER_FILE = FILE_NAME_FORMAT.format('header')
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FOOTER_FILE = FILE_NAME_FORMAT.format('footer')
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TOC_OPTIONS = {
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'xsl-style-sheet': os.path.join(TEMPLATES_DIR, 'toc.xsl')
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}
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PDF_OPTIONS = {
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"no-pdf-compression": "",
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"enable-internal-links": "",
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"header-html": HEADER_FILE,
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"footer-html": FOOTER_FILE,
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"footer-spacing": 5,
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"header-spacing": 5,
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"user-style-sheet": STYLE_FILE
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}
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def export_pdf(content: str, config: dict) -> dict:
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if logger.getEffectiveLevel() > logging.DEBUG:
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PDF_OPTIONS['quiet'] = ""
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PDF_OPTIONS['title'] = config.get('title', 'Output')
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context = config.get('context', {})
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PDF_OPTIONS['replace'] = [(key, str(value)) for key, value in context.items()]
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PDF_OPTIONS['margin-top'] = context.get('margin_vertical', DEFAULT_MARGIN_VERTICAL)
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PDF_OPTIONS['margin-bottom'] = context.get('margin_vertical', DEFAULT_MARGIN_VERTICAL)
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PDF_OPTIONS['margin-left'] = context.get('margin_horizontal', DEFAULT_MARGIN_HORIZONTAL)
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PDF_OPTIONS['margin-right'] = context.get('margin_horizontal', DEFAULT_MARGIN_HORIZONTAL)
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logger.info("Rendering PDF...")
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try:
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pdfkit.from_string(
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content,
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os.path.join(os.path.abspath(config['output_dir']), 'output.pdf'),
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options=PDF_OPTIONS,
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cover=FILE_NAME_FORMAT.format('cover'),
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toc=TOC_OPTIONS if config.get('toc') else {},
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cover_first=True
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)
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except OSError as e:
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raise PDFRenderException('Failed to render PDF. ' + str(e))
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return PDF_OPTIONS # mostly for testing
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