mirror of
https://github.com/nanoy42/coope
synced 2024-05-01 23:22:24 +00:00
50 lines
1.8 KiB
Python
50 lines
1.8 KiB
Python
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import os
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from subprocess import PIPE, run
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import tempfile
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from django.template.loader import get_template
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from django_tex.exceptions import TexError
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from django.conf import settings
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DEFAULT_INTERPRETER = 'lualatex'
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def run_tex(source):
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"""
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Copy the source to temp dict and run latex.
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"""
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with tempfile.TemporaryDirectory() as tempdir:
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filename = os.path.join(tempdir, 'texput.tex')
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with open(filename, 'x', encoding='utf-8') as f:
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f.write(source)
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latex_interpreter = getattr(settings, 'LATEX_INTERPRETER', DEFAULT_INTERPRETER)
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latex_command = 'cd "{tempdir}" && {latex_interpreter} -interaction=batchmode {path}'.format(tempdir=tempdir, latex_interpreter=latex_interpreter, path=os.path.basename(filename))
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process = run(latex_command, shell=True, stdout=PIPE, stderr=PIPE)
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try:
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if process.returncode == 1:
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with open(os.path.join(tempdir, 'texput.log'), encoding='utf8') as f:
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log = f.read()
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raise TexError(log=log, source=source)
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with open(os.path.join(tempdir, 'texput.pdf'), 'rb') as pdf_file:
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pdf = pdf_file.read()
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except FileNotFoundError:
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if process.stderr:
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raise Exception(process.stderr.decode('utf-8'))
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raise
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return pdf
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def compile_template_to_pdf(template_name, context):
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"""
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Compile the source with :func:`~django_tex.core.render_template_with_context` and :func:`~django_tex.core.run_tex`.
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"""
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source = render_template_with_context(template_name, context)
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return run_tex(source)
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def render_template_with_context(template_name, context):
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"""
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Render the template
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"""
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template = get_template(template_name, using='tex')
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return template.render(context)
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