save_local_pdf.py

@shared_task
def generate_pdf(user_id, body):
    user = User.objects.get(id=user_id)

    files = body['new_files']

    tabs = {}
    for pic in files:
        file = FileDetail.objects.get(filename=pic['filename'])
        tab = file.story_set.get().channel.tab_set.first()
        logger.info('channel {}'.format(file.story_set.get().channel))
        file.channel = file.story_set.get().channel.name
        if tab.name not in tabs.keys():
            tabs[tab.name] = []
        tabs[tab.name].append(file)

    html_string = render_to_string('pdf.html', {
        'tabs': tabs,
        'title': body['title']
    })
    html = HTML(string=html_string)
    html.write_pdf(target='/tmp/file.pdf')

    fs = FileSystemStorage('/tmp')
    
    with fs.open('file.pdf') as pdf:
        path = default_storage.save('tmp/' + str(pdf), ContentFile(pdf.read()))
        tmp_file_path = os.path.join(settings.MEDIA_ROOT, path)