OpenSlides/openslides/utils/pdf.py

545 lines
23 KiB
Python
Executable File

#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
openslides.utils.pdf
~~~~~~~~~~~~~~~~~~~~
Print PDF functions for all OpenSlides apps.
:copyright: 2011 by the OpenSlides team, see AUTHORS.
:license: GNU GPL, see LICENSE for more details.
"""
from datetime import datetime
import os
from django.http import HttpResponse, HttpResponseNotFound
from django.shortcuts import render_to_response
from django.template import RequestContext
from django.utils.translation import ugettext as _
from django.utils.translation import ungettext
from django.contrib.auth.models import User
from reportlab.pdfgen.canvas import Canvas
from reportlab.lib import colors
from reportlab.lib.pagesizes import A4
from reportlab.lib.units import cm
from reportlab.lib.styles import ParagraphStyle as PS
from reportlab.lib.styles import StyleSheet1, ParagraphStyle
from reportlab.platypus import SimpleDocTemplate, Paragraph, Frame, PageBreak, Spacer, Table, LongTable, TableStyle, Image
from reportlab.platypus.doctemplate import SimpleDocTemplate
from reportlab.rl_config import defaultPageSize
from reportlab.pdfbase import pdfmetrics
from reportlab.pdfbase.ttfonts import TTFont
from openslides.agenda.models import Item
from openslides.application.models import Application
from openslides.assignment.models import Assignment
from openslides.participant.models import Profile
from config.models import config
from openslides.settings import SITE_ROOT
from openslides.utils.utils import permission_required
# register new truetype fonts
pdfmetrics.registerFont(TTFont('Ubuntu', os.path.join(SITE_ROOT, 'static/fonts/Ubuntu-R.ttf')))
pdfmetrics.registerFont(TTFont('Ubuntu-Bold', os.path.join(SITE_ROOT, 'static/fonts/Ubuntu-B.ttf')))
pdfmetrics.registerFont(TTFont('Ubuntu-Italic', os.path.join(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),
)
def firstPage(canvas, doc):
canvas.saveState()
# page header (with event information)
canvas.setFont('Ubuntu', 10)
canvas.setFillGray(0.4)
canvas.drawString(2.75*cm, 28*cm, "%s | %s" % (config["event_name"], config["event_description"]))
if config["event_date"] and config["event_location"]:
canvas.drawString(2.75 * cm, 27.6 * cm, "%s, %s" % (config["event_date"], config["event_location"]))
# time
canvas.setFont('Ubuntu', 7)
time = datetime.now().strftime(str(_("%Y-%m-%d %H:%Mh")))
canvas.drawString(15 * cm, 28 * cm, _("Printed") + ": %s" % time)
# title
if doc.title:
canvas.setFont('Ubuntu-Bold', 24)
canvas.setFillGray(0)
#canvas.drawCentredString(PAGE_WIDTH/2.0, PAGE_HEIGHT-108, doc.title)
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()
@permission_required('participant.can_see_participant')
def print_userlist(request):
response = HttpResponse(mimetype='application/pdf')
filename = u'filename=%s.pdf;' % _("Participant-list")
response['Content-Disposition'] = filename.encode('utf-8')
doc = SimpleDocTemplate(response)
story = [Spacer(1,2*cm)]
doc.title = _("List of Participants")
# Table
data= [['#', _('Last Name'), _('First Name'), _('Group'), _('Type'), _('Committee')]]
sort = 'last_name'
counter = 0
for user in User.objects.all().order_by(sort):
try:
counter += 1
user.get_profile()
data.append([counter,
Paragraph(user.last_name, stylesheet['Tablecell']),
Paragraph(user.first_name, stylesheet['Tablecell']),
Paragraph(user.profile.group, stylesheet['Tablecell']),
Paragraph(user.profile.get_type_display(), stylesheet['Tablecell']),
Paragraph(user.profile.committee, stylesheet['Tablecell']),
])
except Profile.DoesNotExist:
counter -= 1
pass
t=LongTable(data,
style=[
('VALIGN',(0,0),(-1,-1), 'TOP'),
('LINEABOVE',(0,0),(-1,0),2,colors.black),
('LINEABOVE',(0,1),(-1,1),1,colors.black),
('LINEBELOW',(0,-1),(-1,-1),2,colors.black),
('ROWBACKGROUNDS', (0, 1), (-1, -1), (colors.white, (.9, .9, .9))),
])
t._argW[0]=0.75*cm
story.append(t)
doc.build(story, onFirstPage=firstPage, onLaterPages=laterPages)
return response
@permission_required('participant.can_manage_participant')
def print_passwords(request):
response = HttpResponse(mimetype='application/pdf')
filename = u'filename=%s.pdf;' % _("passwords")
response['Content-Disposition'] = filename.encode('utf-8')
doc = SimpleDocTemplate(response, pagesize=A4, topMargin=-6, bottomMargin=-6, leftMargin=0, rightMargin=0, showBoundary=False)
story = [Spacer(0,0*cm)]
data= []
system_url = config["system_url"]
system_welcometext = config["system_welcometext"]
for user in User.objects.all().order_by('last_name'):
try:
user.get_profile()
cell = []
cell.append(Spacer(0,0.8*cm))
cell.append(Paragraph(_("Your Account for OpenSlides"), stylesheet['Ballot_title']))
cell.append(Paragraph(_("for %s") % (user.profile), stylesheet['Ballot_subtitle']))
cell.append(Spacer(0,0.5*cm))
cell.append(Paragraph(_("User: %s") % (user.username), stylesheet['Ballot_option']))
cell.append(Paragraph(_("Password: %s") % (user.profile.firstpassword), stylesheet['Ballot_option']))
cell.append(Spacer(0,0.5*cm))
cell.append(Paragraph(_("URL: %s") % (system_url), stylesheet['Ballot_option']))
cell.append(Spacer(0,0.5*cm))
cell2 = []
cell2.append(Spacer(0,0.8*cm))
if system_welcometext is not None:
cell2.append(Paragraph(system_welcometext.replace('\r\n','<br/>'), stylesheet['Ballot_subtitle']))
data.append([cell,cell2])
except Profile.DoesNotExist:
pass
t=Table(data, 10.5*cm, 7.42*cm)
t.setStyle(TableStyle([ ('LINEBELOW', (0,0), (-1,0), 0.25, colors.grey),
('LINEBELOW', (0,1), (-1,1), 0.25, colors.grey),
('LINEBELOW', (0,1), (-1,-1), 0.25, colors.grey),
('VALIGN', (0,0), (-1,-1), 'TOP'),
]))
story.append(t)
doc.build(story)
return response
def get_assignment_votes(assignment):
votes = []
for candidate in assignment.candidates:
tmplist = [[candidate, assignment.is_elected(candidate)], []]
for poll in assignment.poll_set.all():
if poll.published:
if candidate in poll.options_values:
option = Option.objects.filter(poll=poll).filter(user=candidate)[0]
if poll.optiondecision:
tmplist[1].append([option.yes, option.no, option.undesided])
else:
tmplist[1].append(option.yes)
else:
tmplist[1].append("-")
elif len(tmplist[1]) == 0:
return votes
votes.append(tmplist)
return votes
def get_assignment(assignment, story):
# title
story.append(Paragraph(_("Election")+": %s" % assignment.name, stylesheet['Heading1']))
story.append(Spacer(0,0.5*cm))
# posts
cell1a = []
cell1a.append(Paragraph("<font name='Ubuntu-Bold'>%s:</font>" % _("Number of available posts"), stylesheet['Bold']))
cell1b = []
cell1b.append(Paragraph(str(assignment.posts), stylesheet['Paragraph']))
# candidates
cell2a = []
cell2a.append(Paragraph("<font name='Ubuntu-Bold'>%s:</font><seqreset id='counter'>" % _("Candidates"), stylesheet['Heading4']))
cell2b = []
for c in assignment.profile.all():
cell2b.append(Paragraph("<seq id='counter'/>.&nbsp; %s" % unicode(c), stylesheet['Signaturefield']))
if assignment.status == "sea":
for x in range(0,2*assignment.posts):
cell2b.append(Paragraph("<seq id='counter'/>.&nbsp; __________________________________________",stylesheet['Signaturefield']))
cell2b.append(Spacer(0,0.2*cm))
# vote results
table_votes = []
results = get_assignment_votes(assignment)
cell3a = []
cell3a.append(Paragraph("%s:" % (_("Vote results")), stylesheet['Heading4']))
if len(results) > 0:
if len(results[0]) >= 1:
cell3a.append(Paragraph("%s %s" % (len(results[0][1]), _("ballots")), stylesheet['Normal']))
if len(results[0][1]) > 0:
data_votes = []
# add table head row
headrow = []
headrow.append(_("Candidates"))
for i in range (0,len(results[0][1])):
headrow.append("%s." %(str(i+1)))
data_votes.append(headrow)
# add result rows
for candidate in results:
row = []
if candidate[0][1]:
elected = "* "
else:
elected = ""
c = str(candidate[0][0]).split("(",1)
if len(c) > 1:
row.append(elected+c[0]+"\n"+"("+c[1])
else:
row.append(elected+str(candidate[0][0]))
for votes in candidate[1]:
if type(votes) == type(list()):
tmp = _("Y")+": "+str(votes[0])+"\n"
tmp += _("N")+": "+str(votes[1])+"\n"
tmp += _("A")+": "+str(votes[2])
row.append(tmp)
else:
row.append(str(votes))
data_votes.append(row)
polls = []
for poll in assignment.poll_set.filter(assignment=assignment):
polls.append(poll)
# votes invalid
row = []
row.append(_("Invalid votes"))
for p in polls:
if p.published:
row.append(p.votesinvalidf)
data_votes.append(row)
# votes cast
row = []
row.append(_("Votes cast"))
for p in polls:
if p.published:
row.append(p.votescastf)
data_votes.append(row)
table_votes=Table(data_votes)
table_votes.setStyle( TableStyle([
('GRID', (0,0), (-1,-1), 0.5, colors.grey),
('VALIGN',(0,0),(-1,-1), 'TOP'),
('LINEABOVE',(0,0),(-1,0),2,colors.black),
('LINEABOVE',(0,1),(-1,1),1,colors.black),
('LINEBELOW',(0,-1),(-1,-1),2,colors.black),
('ROWBACKGROUNDS', (0, 1), (-1, -1), (colors.white, (.9, .9, .9))),
]))
# table
data = []
data.append([cell1a,cell1b])
if table_votes:
data.append([cell3a,table_votes])
data.append(['','* = '+_('elected')])
else:
data.append([cell2a,cell2b])
data.append([Spacer(0,0.2*cm),''])
t=Table(data)
t._argW[0]=4.5*cm
t._argW[1]=11*cm
t.setStyle(TableStyle([ ('BOX', (0,0), (-1,-1), 1, colors.black),
('VALIGN', (0,0), (-1,-1), 'TOP'),
]))
story.append(t)
story.append(Spacer(0,1*cm))
# text
story.append(Paragraph("%s" % assignment.description.replace('\r\n','<br/>'), stylesheet['Paragraph']))
return story
@permission_required('application.can_see_application')
def print_assignment(request, assignment_id=None):
response = HttpResponse(mimetype='application/pdf')
filename = u'filename=%s.pdf;' % _("Elections")
response['Content-Disposition'] = filename.encode('utf-8')
doc = SimpleDocTemplate(response)
doc.title = None
story = []
if assignment_id is None: #print all applications
title = config["assignment_pdf_title"]
story.append(Paragraph(title, stylesheet['Heading1']))
preamble = config["assignment_pdf_preamble"]
if preamble:
story.append(Paragraph("%s" % preamble.replace('\r\n','<br/>'), stylesheet['Paragraph']))
story.append(Spacer(0,0.75*cm))
# List of assignments
for assignment in Assignment.objects.order_by('name'):
story.append(Paragraph(assignment.name, stylesheet['Heading3']))
# Assignment details (each assignment on single page)
for assignment in Assignment.objects.order_by('name'):
story.append(PageBreak())
story = get_assignment(assignment, story)
else: # print selected assignment
assignment = Assignment.objects.get(id=assignment_id)
filename = u'filename=%s-%s.pdf;' % (_("Assignment"), assignment.name.replace(' ','_'))
response['Content-Disposition'] = filename.encode('utf-8')
story = get_assignment(assignment, story)
doc.build(story, onFirstPage=firstPage, onLaterPages=firstPage)
return response
@permission_required('application.can_manage_application')
def print_assignment_poll(request, poll_id=None):
poll = Poll.objects.get(id=poll_id)
response = HttpResponse(mimetype='application/pdf')
filename = u'filename=%s-%s-#%s.pdf;' % (_("Election"), poll.assignment.name.replace(' ','_'), poll.ballot)
response['Content-Disposition'] = filename.encode('utf-8')
doc = SimpleDocTemplate(response, pagesize=A4, topMargin=-6, bottomMargin=-6, leftMargin=0, rightMargin=0, showBoundary=False)
story = [Spacer(0,0*cm)]
imgpath = os.path.join(SITE_ROOT, 'static/images/circle.png')
circle = "<img src='%s' width='15' height='15'/>&nbsp;&nbsp;" % imgpath
cell = []
cell.append(Spacer(0,0.8*cm))
cell.append(Paragraph(_("Election") + ": " + poll.assignment.name, stylesheet['Ballot_title']))
cell.append(Paragraph(poll.description, stylesheet['Ballot_subtitle']))
options = poll.get_options().order_by('user__user__first_name')
cell.append(Paragraph(str(poll.ballot)+". "+_("ballot")+", "+str(len(options))+" "+ ungettext("candidate", "candidates", len(options))+", "+str(poll.assignment.posts)+" "+_("available posts"), stylesheet['Ballot_description']))
cell.append(Spacer(0,0.4*cm))
data= []
# get ballot papers config values
number = 1
ballot_papers_selection = config["assignment_pdf_ballot_papers_selection"]
ballot_papers_number = config["assignment_pdf_ballot_papers_number"]
if poll.optiondecision:
for option in options:
o = str(option).split("(",1)
cell.append(Paragraph(o[0], stylesheet['Ballot_option_name']))
if len(o) > 1:
cell.append(Paragraph("("+o[1], stylesheet['Ballot_option_group']))
else:
cell.append(Paragraph("&nbsp;", stylesheet['Ballot_option_group']))
cell.append(Paragraph(circle+_("Yes")+"&nbsp; &nbsp; &nbsp; "+circle+_("No")+"&nbsp; &nbsp; &nbsp; "+circle+_("Abstention"), stylesheet['Ballot_option_YNA']))
# set number of ballot papers
if ballot_papers_selection == "1":
number = User.objects.filter(profile__type__iexact="delegate").count()
if ballot_papers_selection == "2":
number = int(User.objects.count() - 1)
if ballot_papers_selection == "0":
number = int(ballot_papers_number)
# print ballot papers
for user in xrange(number/2):
data.append([cell,cell])
rest = number % 2
if rest:
data.append([cell,''])
if len(options) <= 2:
t=Table(data, 10.5*cm, 7.42*cm)
elif len(options) <= 5:
t=Table(data, 10.5*cm, 14.84*cm)
else:
t=Table(data, 10.5*cm, 29.7*cm)
else:
for option in options:
o = str(option).split("(",1)
cell.append(Paragraph(circle+o[0], stylesheet['Ballot_option_name']))
if len(o) > 1:
cell.append(Paragraph("("+o[1], stylesheet['Ballot_option_group_right']))
else:
cell.append(Paragraph("&nbsp;", stylesheet['Ballot_option_group_right']))
# set number of ballot papers
if ballot_papers_selection == "1":
number = User.objects.filter(profile__type__iexact="delegate").count()
if ballot_papers_selection == "2":
number = int(User.objects.count() - 1)
if ballot_papers_selection == "0":
number = int(ballot_papers_number)
# print ballot papers
for user in xrange(number/2):
data.append([cell,cell])
rest = number % 2
if rest:
data.append([cell,''])
if len(options) <= 4:
t=Table(data, 10.5*cm, 7.42*cm)
elif len(options) <= 8:
t=Table(data, 10.5*cm, 14.84*cm)
else:
t=Table(data, 10.5*cm, 29.7*cm)
t.setStyle(TableStyle([ ('GRID', (0,0), (-1,-1), 0.25, colors.grey),
('VALIGN', (0,0), (-1,-1), 'TOP'),
]))
story.append(t)
doc.build(story)
return response