You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
kompass/jdav_web/members/pdf.py

61 lines
1.8 KiB
Python

from datetime import datetime
import unicodedata
import os
import subprocess
import time
import glob
from django.template.loader import get_template
from django.conf import settings
from django.http import HttpResponse, HttpResponseRedirect
from wsgiref.util import FileWrapper
def media_path(fp):
return os.path.join(os.path.join(settings.MEDIA_MEMBERLISTS, "memberlists"), fp)
def media_dir():
return os.path.join(settings.MEDIA_MEMBERLISTS, "memberlists")
def render_tex(name, template_path, context):
filename = name + "_" + datetime.today().strftime("%d_%m_%Y")
filename = filename.replace(' ', '_').replace('&', '').replace('/', '_')
# drop umlauts, accents etc.
filename = unicodedata.normalize('NFKD', filename).encode('ASCII', 'ignore').decode()
filename_tex = filename + '.tex'
filename_pdf = filename + '.pdf'
tmpl = get_template(template_path)
res = tmpl.render(dict(context, creation_date=datetime.today().strftime('%d.%m.%Y')))
if not os.path.exists(media_dir()):
os.makedirs(media_dir())
with open(media_path(filename_tex), 'w', encoding='utf-8') as f:
f.write(res)
# compile using pdflatex
oldwd = os.getcwd()
os.chdir(media_dir())
subprocess.call(['pdflatex', '-halt-on-error',filename_tex])
time.sleep(1)
# do some cleanup
for f in glob.glob('*.log'):
os.remove(f)
for f in glob.glob('*.aux'):
os.remove(f)
#os.remove(filename_tex)
#os.remove(filename_table)
os.chdir(oldwd)
# provide the user with the resulting pdf file
with open(media_path(filename_pdf), 'rb') as pdf:
response = HttpResponse(FileWrapper(pdf))#, content='application/pdf')
response['Content-Type'] = 'application/pdf'
response['Content-Disposition'] = 'attachment; filename='+filename_pdf
return response