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re2o/cotisations/tex.py
2017-11-14 20:00:24 +01:00

69 lines
2.5 KiB
Python

# 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.
from django.template.loader import get_template
from django.template import Context
from django.http import HttpResponse
from django.conf import settings
from django.utils.text import slugify
import tempfile
from subprocess import Popen, PIPE
import os
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
def render_invoice(request, ctx={}):
filename = '_'.join([
'invoice',
slugify(ctx['asso_name']),
slugify(ctx['dest'].pseudo),
str(ctx['DATE'].year),
str(ctx['DATE'].month),
str(ctx['DATE'].day),
])
r = render_tex(request, 'cotisations/factures.tex', ctx)
r['Content-Disposition'] = ''.join(['attachment; filename="',filename,'.pdf"'])
return r
def render_tex(request, template, ctx={}):
context = Context(ctx)
template = get_template(template)
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.write(pdf)
return r