mirror of
https://github.com/nanoy42/coope
synced 2024-11-25 22:22:27 +00:00
50 lines
1.8 KiB
Python
50 lines
1.8 KiB
Python
|
|
import os
|
|
from subprocess import PIPE, run
|
|
import tempfile
|
|
|
|
from django.template.loader import get_template
|
|
|
|
from django_tex.exceptions import TexError
|
|
from django.conf import settings
|
|
|
|
DEFAULT_INTERPRETER = 'pdflatex'
|
|
|
|
def run_tex(source):
|
|
"""
|
|
Copy the source to temp dict and run latex.
|
|
"""
|
|
with tempfile.TemporaryDirectory() as tempdir:
|
|
filename = os.path.join(tempdir, 'texput.tex')
|
|
with open(filename, 'x', encoding='utf-8') as f:
|
|
f.write(source)
|
|
print(source)
|
|
latex_interpreter = getattr(settings, 'LATEX_INTERPRETER', DEFAULT_INTERPRETER)
|
|
latex_command = 'cd "{tempdir}" && {latex_interpreter} -interaction=batchmode {path}'.format(tempdir=tempdir, latex_interpreter=latex_interpreter, path=os.path.basename(filename))
|
|
process = run(latex_command, shell=True, stdout=PIPE, stderr=PIPE)
|
|
try:
|
|
if process.returncode == 1:
|
|
with open(os.path.join(tempdir, 'texput.log'), encoding='utf8') as f:
|
|
log = f.read()
|
|
raise TexError(log=log, source=source)
|
|
with open(os.path.join(tempdir, 'texput.pdf'), 'rb') as pdf_file:
|
|
pdf = pdf_file.read()
|
|
except FileNotFoundError:
|
|
if process.stderr:
|
|
raise Exception(process.stderr.decode('utf-8'))
|
|
raise
|
|
return pdf
|
|
|
|
def compile_template_to_pdf(template_name, context):
|
|
"""
|
|
Compile the source with :func:`~django_tex.core.render_template_with_context` and :func:`~django_tex.core.run_tex`.
|
|
"""
|
|
source = render_template_with_context(template_name, context)
|
|
return run_tex(source)
|
|
|
|
def render_template_with_context(template_name, context):
|
|
"""
|
|
Render the template
|
|
"""
|
|
template = get_template(template_name, using='tex')
|
|
return template.render(context)
|