tex.py 2.26 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
# Re2o est un logiciel d'administration développé initiallement au rezometz. Il
# se veut agnostique au réseau considéré, de manière à être installable en
# quelques clics.
#
# Copyright © 2017  Gabriel Détraz
# Copyright © 2017  Goulven Kermarec
# Copyright © 2017  Augustin Lemesle
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

chirac's avatar
chirac committed
23 24 25 26 27 28 29
from django.template.loader import get_template
from django.template import TemplateDoesNotExist, Context
from django.http import HttpResponse, Http404, HttpResponseNotModified
from django.core.cache import cache
from django.conf import settings
from django.shortcuts import redirect

Dalahro's avatar
Dalahro committed
30 31
import tempfile
from subprocess import Popen, PIPE
chirac's avatar
chirac committed
32 33 34 35 36 37 38 39 40 41
import os
import shutil
from hashlib import md5


TEMP_PREFIX = getattr(settings, 'TEX_TEMP_PREFIX', 'render_tex-')
CACHE_PREFIX = getattr(settings, 'TEX_CACHE_PREFIX', 'render-tex')
CACHE_TIMEOUT = getattr(settings, 'TEX_CACHE_TIMEOUT', 86400)  # 1 day


Dalahro's avatar
Dalahro committed
42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60
def render_tex(request,tmp, ctx={}):
    context = Context(ctx)
    template = get_template('cotisations/factures.tex')
    rendered_tpl = template.render(context).encode('utf-8')
    
    with tempfile.TemporaryDirectory() as tempdir:
        for i in range(2):
            process = Popen(
                ['pdflatex', '-output-directory', tempdir],
                stdin = PIPE,
                stdout = PIPE,
            )
            process.communicate(rendered_tpl)
        with open(os.path.join(tempdir, 'texput.pdf'), 'rb') as f:
            pdf = f.read()
    r = HttpResponse(content_type='application/pdf')
    #r['Content-Disposition'] = 'attachement; filename=texput.pdf' 
    r.write(pdf)
    return r