OpenSlides/openslides/utils/pdf.py
Emanuel Schuetze 71ac7a1cdb New feature: qr-code for system url on participants password pdf.
(Note: New dependency! Run 'pip install qrcode')

Fixed pep8 issues. Create qr-code image for system url one time only.

New feature: qr-code for system url on participants password pdf.
(Note: New dependency! Run 'pip install qrcode')

Fixed pep8 issues. Create qr-code image for system url one time only.

Print qrcode image from StringIO stream.
Adapted table stylesheet for better integration of reportlab's Image object.

Fixed pep8 issue.

Made qrcode import as optional feature. Fixed pep8 issue.
2013-03-22 14:35:40 +01:00

257 lines
7.8 KiB
Python
Executable File

#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
openslides.utils.pdf
~~~~~~~~~~~~~~~~~~~~
Additional definitions for creating PDF documents.
:copyright: 2011, 2012 by OpenSlides team, see AUTHORS.
:license: GNU GPL, see LICENSE for more details.
"""
from datetime import datetime
from os.path import join as path_join
from reportlab.lib.styles import StyleSheet1, ParagraphStyle
from reportlab.lib.units import cm
from reportlab.pdfbase import pdfmetrics
from reportlab.pdfbase.ttfonts import TTFont
from reportlab.rl_config import defaultPageSize
from django.conf import settings
from django.utils import formats
from django.utils.translation import ugettext as _
from openslides.config.models import config
# register new truetype fonts
pdfmetrics.registerFont(TTFont(
'Ubuntu', path_join(settings.SITE_ROOT, 'static/fonts/Ubuntu-R.ttf')))
pdfmetrics.registerFont(TTFont(
'Ubuntu-Bold', path_join(settings.SITE_ROOT, 'static/fonts/Ubuntu-B.ttf')))
pdfmetrics.registerFont(TTFont(
'Ubuntu-Italic', path_join(settings.SITE_ROOT, 'static/fonts/Ubuntu-RI.ttf')))
# set style information
PAGE_HEIGHT = defaultPageSize[1]
PAGE_WIDTH = defaultPageSize[0]
# set custom stylesheets
stylesheet = StyleSheet1()
stylesheet.add(ParagraphStyle(
name='Normal',
fontName='Ubuntu',
fontSize=10,
leading=12,
))
stylesheet.add(ParagraphStyle(
name='Paragraph',
parent=stylesheet['Normal'],
leading=14,
spaceAfter=15
))
stylesheet.add(ParagraphStyle(
name='Small',
parent=stylesheet['Normal'],
fontSize=8
))
stylesheet.add(ParagraphStyle(
name='Italic',
parent=stylesheet['Normal'],
fontName='Ubuntu-Italic',
spaceAfter=5
))
stylesheet.add(ParagraphStyle(
name='Bold',
parent=stylesheet['Normal'],
fontName='Ubuntu-Bold',
))
stylesheet.add(ParagraphStyle(
name='Heading1',
parent=stylesheet['Bold'],
fontSize=24,
leading=30,
spaceAfter=6,
), alias='h1')
stylesheet.add(ParagraphStyle(
name='Heading2',
parent=stylesheet['Bold'],
fontSize=14,
leading=24,
spaceAfter=10,
), alias='h2')
stylesheet.add(ParagraphStyle(
name='Heading3',
parent=stylesheet['Bold'],
fontSize=12,
leading=20,
), alias='h3')
stylesheet.add(ParagraphStyle(
name='Heading4',
parent=stylesheet['Bold'],
fontSize=10,
leading=20,
))
stylesheet.add(ParagraphStyle(
name='Item',
parent=stylesheet['Normal'],
fontSize=14,
leading=14,
leftIndent=0,
spaceAfter=15,
))
stylesheet.add(ParagraphStyle(
name='Subitem',
parent=stylesheet['Normal'],
fontSize=10,
leading=10,
leftIndent=20,
spaceAfter=15))
stylesheet.add(ParagraphStyle(
name='Tablecell',
parent=stylesheet['Normal'],
fontSize=9))
stylesheet.add(ParagraphStyle(name='Signaturefield',
parent=stylesheet['Normal'],
spaceBefore=15)
)
# Ballot stylesheets
stylesheet.add(ParagraphStyle(name='Ballot_title',
parent=stylesheet['Bold'],
fontSize=12,
leading=14,
leftIndent=30),
)
stylesheet.add(ParagraphStyle(name='Ballot_subtitle',
parent=stylesheet['Normal'],
fontSize=10,
leading=12,
leftIndent=30,
rightIndent=20,
spaceAfter=5),
)
stylesheet.add(ParagraphStyle(name='Ballot_description',
parent=stylesheet['Normal'],
fontSize=7,
leading=10,
leftIndent=30),
)
stylesheet.add(ParagraphStyle(name='Ballot_option',
parent=stylesheet['Normal'],
fontSize=12,
leading=24,
leftIndent=30),
)
stylesheet.add(ParagraphStyle(name='Ballot_option_name',
parent=stylesheet['Normal'],
fontSize=12,
leading=15,
leftIndent=30),
)
stylesheet.add(ParagraphStyle(name='Ballot_option_group',
parent=stylesheet['Normal'],
fontSize=8,
leading=15,
leftIndent=30),
)
stylesheet.add(ParagraphStyle(name='Ballot_option_YNA',
parent=stylesheet['Normal'],
fontSize=12,
leading=15,
leftIndent=49,
spaceAfter=18),
)
stylesheet.add(ParagraphStyle(name='Ballot_option_group_right',
parent=stylesheet['Normal'],
fontSize=8,
leading=16,
leftIndent=49),
)
# Password paper stylesheets
stylesheet.add(ParagraphStyle(name='Password_title',
parent=stylesheet['Ballot_title'],
leftIndent=0),
)
stylesheet.add(ParagraphStyle(name='Password_subtitle',
parent=stylesheet['Ballot_subtitle'],
leftIndent=0),
)
stylesheet.add(ParagraphStyle(name='Monotype',
parent=stylesheet['Normal'],
fontName='Courier',
fontSize=12,
leading=24,
leftIndent=0),
)
stylesheet.add(ParagraphStyle(name='Badge_title',
parent=stylesheet['Bold'],
fontSize=16,
leading=22,
leftIndent=30),
)
stylesheet.add(ParagraphStyle(name='Badge_subtitle',
parent=stylesheet['Normal'],
fontSize=12,
leading=24,
leftIndent=30),
)
stylesheet.add(ParagraphStyle(
name='Badge_italic',
parent=stylesheet['Italic'],
fontSize=12,
leading=24,
leftIndent=30,
))
stylesheet.add(ParagraphStyle(
name='Badge_qrcode',
fontSize=12,
leftIndent=190,
))
def firstPage(canvas, doc):
canvas.saveState()
# page header (with event information)
canvas.setFont('Ubuntu', 10)
canvas.setFillGray(0.4)
title_line = u"%s | %s" % (config["event_name"],
config["event_description"])
if len(title_line) > 75:
title_line = "%s ..." % title_line[:70]
canvas.drawString(2.75 * cm, 28 * cm, title_line)
if config["event_date"] and config["event_location"]:
canvas.drawString(2.75 * cm, 27.6 * cm, u"%s, %s"
% (config["event_date"], config["event_location"]))
# time
canvas.setFont('Ubuntu', 7)
time = formats.date_format(datetime.now(), 'DATETIME_FORMAT')
canvas.drawString(15 * cm, 28 * cm, _("As of: %s") % time)
# title
if doc.title:
canvas.setFont('Ubuntu-Bold', 24)
canvas.setFillGray(0)
canvas.drawString(2.75 * cm, PAGE_HEIGHT - 108, doc.title)
# footer (with page number)
canvas.setFont('Ubuntu', 8)
canvas.setFillGray(0.4)
canvas.drawString(10 * cm, 1 * cm, _("Page %s") % doc.page)
canvas.restoreState()
def laterPages(canvas, doc):
canvas.saveState()
# footer (with page number)
canvas.setFont('Ubuntu', 7)
canvas.setFillGray(0.4)
canvas.drawString(10 * cm, 1 * cm, _("Page %s") % doc.page)
canvas.restoreState()