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2.4 KiB
Python

import subprocess
import tempfile
import os.path
basepath = os.path.abspath(os.path.dirname(__file__))
paged_bin = 'node_modules/pagedjs-cli/bin/paged'
def run_pagedjs (path_html, path_pdf, cwd=None, extra_scripts=[]):
args = [
paged_bin
]
for script in extra_scripts:
args.extend([
'--additional-script',
script
])
args.extend([
'-o', path_pdf,
path_html
])
try:
return subprocess.check_output(args, cwd=cwd, stderr=subprocess.STDOUT).decode()
except subprocess.CalledProcessError as e:
return 'Error:\n{}'.format(e.output.decode())
"""
Generate a PDF based on provided HTML using pagedjs and returns the contents of
the generated PDF.
If optional path_out is provided the PDF is written there and the function returns the path.
Optional extra_scripts is a list of strings with javascript.
Scripts are sent in the same order to paged.js
"""
def make_pdf (html, path_out=None, extra_scripts=[]):
with tempfile.TemporaryDirectory(prefix='algoliterary_publishing_house_') as tempdir:
with tempfile.NamedTemporaryFile(dir=tempdir, mode='w', suffix='.html', delete=False) as temphtml:
# Store html in a temporary file
temphtml.write(html)
temphtml.close()
name_in = temphtml.name
extra_scripts_tmp = []
for script in extra_scripts:
with tempfile.NamedTemporaryFile(dir=tempdir, mode='w', suffix='.js', delete=False) as tempjs:
tempjs.write(script)
tempjs.close()
extra_scripts_tmp.append(tempjs.name)
# Make a temporary file for the generated PDF
with tempfile.NamedTemporaryFile(dir=tempdir, mode='w', suffix='.pdf', delete=False) as temppdf:
temppdf.close()
name_out = temppdf.name
# Make the pdf
run_pagedjs(name_in, name_out, cwd=basepath, extra_scripts=extra_scripts_tmp)
if path_out:
import shutil
shutil.copy(name_out, path_out)
return path_out
else:
with open(name_out) as generated_pdf:
return generated_pdf.read()
if __name__ == '__main__':
with open(os.path.join(basepath, 'index.html'), 'r') as file_input:
html = file_input.read()
with open(os.path.join(basepath, 'delayedLoading.js'), 'r') as js_input:
js = js_input.read()
make_pdf(html, os.path.join(basepath, 'generated.pdf'), [ js ])