OpenSlides/openslides/motion/pdf.py

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from operator import attrgetter
import random
from bs4 import BeautifulSoup
from django.utils.translation import ugettext as _
from natsort import natsorted
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from reportlab.lib import colors
from reportlab.lib.units import cm
from reportlab.platypus import PageBreak, Paragraph, Spacer, Table, TableStyle
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from openslides.config.api import config
from openslides.users.models import Group, User # TODO: remove this line
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from openslides.utils.pdf import stylesheet
from .models import Category, Motion
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# Needed to count the delegates
# TODO: find another way to do this.
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def motions_to_pdf(pdf):
"""
Create a PDF with all motions.
"""
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motions = Motion.objects.all()
motions = natsorted(motions, key=attrgetter('identifier'))
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all_motion_cover(pdf, motions)
for motion in motions:
pdf.append(PageBreak())
motion_to_pdf(pdf, motion)
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def motion_to_pdf(pdf, motion):
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"""
Create a PDF for one motion.
"""
identifier = ''
if motion.identifier:
identifier = ' %s' % motion.identifier
pdf.append(Paragraph('%s%s: %s' % (_('Motion'), identifier, motion.title), stylesheet['Heading1']))
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motion_data = []
# submitter
cell1a = []
cell1a.append(Spacer(0, 0.2 * cm))
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cell1a.append(Paragraph("<font name='Ubuntu-Bold'>%s:</font>" % _("Submitter"),
stylesheet['Heading4']))
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cell1b = []
cell1b.append(Spacer(0, 0.2 * cm))
for submitter in motion.submitter.all():
cell1b.append(Paragraph(str(submitter), stylesheet['Normal']))
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motion_data.append([cell1a, cell1b])
# TODO: choose this in workflow
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if motion.state.allow_submitter_edit:
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# Cell for the signature
cell2a = []
cell2b = []
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cell2a.append(Paragraph("<font name='Ubuntu-Bold'>%s:</font>" %
_("Signature"), stylesheet['Heading4']))
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cell2b.append(Paragraph(42 * "_", stylesheet['Signaturefield']))
cell2b.append(Spacer(0, 0.1 * cm))
cell2b.append(Spacer(0, 0.2 * cm))
motion_data.append([cell2a, cell2b])
# supporters
if config['motion_min_supporters']:
cell3a = []
cell3b = []
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cell3a.append(Paragraph("<font name='Ubuntu-Bold'>%s:</font><seqreset id='counter'>"
% _("Supporters"), stylesheet['Heading4']))
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supporters = motion.supporter.all()
for supporter in supporters:
cell3b.append(Paragraph("<seq id='counter'/>.&nbsp; %s" % str(supporter),
stylesheet['Normal']))
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cell3b.append(Spacer(0, 0.2 * cm))
motion_data.append([cell3a, cell3b])
# Motion state
cell4a = []
cell4b = []
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cell4a.append(Paragraph("<font name='Ubuntu-Bold'>%s:</font>" % _("State"),
stylesheet['Heading4']))
cell4b.append(Paragraph(_(motion.state.name), stylesheet['Normal']))
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motion_data.append([cell4a, cell4b])
# Version number
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if motion.versions.count() > 1:
version = motion.get_active_version()
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cell5a = []
cell5b = []
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cell5a.append(Paragraph("<font name='Ubuntu-Bold'>%s:</font>" % _("Version"),
stylesheet['Heading4']))
cell5b.append(Paragraph("%s" % version.version_number, stylesheet['Normal']))
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motion_data.append([cell5a, cell5b])
# voting result
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polls = []
for poll in motion.polls.all():
if not poll.has_votes():
continue
polls.append(poll)
if polls:
cell6a = []
cell6b = []
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cell6a.append(Paragraph("<font name='Ubuntu-Bold'>%s:</font>" %
_("Vote result"), stylesheet['Heading4']))
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ballotcounter = 0
for poll in polls:
ballotcounter += 1
option = poll.get_options()[0]
yes, no, abstain = (option['Yes'], option['No'], option['Abstain'])
valid, invalid, votescast = ('', '', '')
if poll.votesvalid is not None:
valid = "<br/>%s: %s" % (_("Valid votes"), poll.print_votesvalid())
if poll.votesinvalid is not None:
invalid = "<br/>%s: %s" % (_("Invalid votes"), poll.print_votesinvalid())
if poll.votescast is not None:
votescast = "<br/>%s: %s" % (_("Votes cast"), poll.print_votescast())
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if len(polls) > 1:
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cell6b.append(Paragraph("%s. %s" % (ballotcounter, _("Vote")),
stylesheet['Bold']))
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cell6b.append(Paragraph(
"%s: %s <br/> %s: %s <br/> %s: %s <br/> %s %s %s" %
(_("Yes"), yes, _("No"), no, _("Abstention"), abstain, valid, invalid, votescast),
stylesheet['Normal']))
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cell6b.append(Spacer(0, 0.2 * cm))
motion_data.append([cell6a, cell6b])
# Creating Table
table = Table(motion_data)
table._argW[0] = 4.5 * cm
table._argW[1] = 11 * cm
table.setStyle(TableStyle([('BOX', (0, 0), (-1, -1), 1, colors.black),
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('VALIGN', (0, 0), (-1, -1), 'TOP')]))
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pdf.append(table)
pdf.append(Spacer(0, 1 * cm))
# motion title
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pdf.append(Paragraph(motion.title, stylesheet['Heading3']))
# motion text
convert_html_to_reportlab(pdf, motion.text)
pdf.append(Spacer(0, 1 * cm))
# motion reason
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if motion.reason:
pdf.append(Paragraph(_("Reason") + ":", stylesheet['Heading3']))
convert_html_to_reportlab(pdf, motion.reason)
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return pdf
def convert_html_to_reportlab(pdf, text):
# parsing and replacing not supported html tags for reportlab...
soup = BeautifulSoup(text)
# read all list elements...
for element in soup.find_all('li'):
# ... and replace ul list elements with <para><bullet>&bull;</bullet>...<para>
if element.parent.name == "ul":
# nested lists
if element.ul or element.ol:
for i in element.find_all('li'):
element.insert_before(i)
element.clear()
else:
element.name = "para"
bullet_tag = soup.new_tag("bullet")
bullet_tag.string = u""
element.insert(0, bullet_tag)
# ... and replace ol list elements with <para><bullet><seq id="%id"></seq>.</bullet>...</para>
if element.parent.name == "ol":
# set list id if element is the first of numbered list
if not element.find_previous_sibling():
id = random.randrange(0, 101)
# nested lists
if element.ul or element.ol:
for i in element.find_all('li'):
element.insert_before(i)
element.clear()
else:
element.name = "para"
element.insert(0, soup.new_tag("bullet"))
element.bullet.insert(0, soup.new_tag("seq"))
element.bullet.seq['id'] = id
element.bullet.insert(1, ".")
# remove tags which are not supported by reportlab (replace tags with their children tags)
for tag in soup.find_all('ul'):
tag.unwrap()
for tag in soup.find_all('ol'):
tag.unwrap()
for tag in soup.find_all('li'):
tag.unwrap()
for tag in soup.find_all('span'):
tag.unwrap()
# print paragraphs with numbers
text = soup.body.contents
paragraph_number = 1
for paragraph in text:
paragraph = str(paragraph)
# ignore empty paragraphs (created by newlines/tabs of ckeditor)
if paragraph == '\n' or paragraph == '\n\n' or paragraph == '\n\t':
continue
if "<pre>" in paragraph:
txt = paragraph.replace('\n', '<br/>').replace(' ', '&nbsp;')
if config["motion_pdf_paragraph_numbering"]:
pdf.append(Paragraph(txt, stylesheet['InnerMonotypeParagraph'], str(paragraph_number)))
paragraph_number += 1
else:
pdf.append(Paragraph(txt, stylesheet['InnerMonotypeParagraph']))
elif "<para>" in paragraph:
pdf.append(Paragraph(paragraph, stylesheet['InnerListParagraph']))
elif "<seqreset" in paragraph:
pass
elif "<h1>" in paragraph:
pdf.append(Paragraph(paragraph, stylesheet['InnerH1Paragraph']))
elif "<h2>" in paragraph:
pdf.append(Paragraph(paragraph, stylesheet['InnerH2Paragraph']))
elif "<h3>" in paragraph:
pdf.append(Paragraph(paragraph, stylesheet['InnerH3Paragraph']))
else:
if config["motion_pdf_paragraph_numbering"]:
pdf.append(Paragraph(paragraph, stylesheet['InnerParagraph'], str(paragraph_number)))
paragraph_number += 1
else:
pdf.append(Paragraph(paragraph, stylesheet['InnerParagraph']))
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def all_motion_cover(pdf, motions):
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"""
Create a coverpage for all motions.
"""
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pdf.append(Paragraph(config["motion_pdf_title"], stylesheet['Heading1']))
preamble = config["motion_pdf_preamble"]
if preamble:
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pdf.append(Paragraph("%s" % preamble.replace('\r\n', '<br/>'), stylesheet['Paragraph']))
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pdf.append(Spacer(0, 0.75 * cm))
# list of categories
categories = False
for i, category in enumerate(Category.objects.all()):
categories = True
if i == 0:
pdf.append(Paragraph(_("Categories"), stylesheet['Heading2']))
pdf.append(Paragraph("%s &nbsp;&nbsp; %s" % (category.prefix, category.name), stylesheet['Paragraph']))
if categories:
pdf.append(PageBreak())
# list of motions
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if not motions:
pdf.append(Paragraph(_("No motions available."), stylesheet['Heading3']))
else:
for motion in motions:
identifier = ''
if motion.identifier:
identifier = ' %s' % motion.identifier
pdf.append(Paragraph('%s%s: %s' % (_('Motion'), identifier, motion.title), stylesheet['Heading3']))
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def motion_poll_to_pdf(pdf, poll):
circle = "*" # = Unicode Character 'HEAVY LARGE CIRCLE' (U+2B55)
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cell = []
cell.append(Spacer(0, 0.8 * cm))
cell.append(Paragraph(_("Motion No. %s") % poll.motion.identifier, stylesheet['Ballot_title']))
cell.append(Paragraph(poll.motion.title, stylesheet['Ballot_subtitle']))
cell.append(Paragraph(_("%d. Vote") % poll.poll_number, stylesheet['Ballot_description']))
cell.append(Spacer(0, 0.5 * cm))
cell.append(Paragraph("<font name='circlefont' size='15'>%s</font> <font name='Ubuntu'>%s</font>"
% (circle, _("Yes")), stylesheet['Ballot_option']))
cell.append(Paragraph("<font name='circlefont' size='15'>%s</font> <font name='Ubuntu'>%s</font>"
% (circle, _("No")), stylesheet['Ballot_option']))
cell.append(Paragraph("<font name='circlefont' size='15'>%s</font> <font name='Ubuntu'>%s</font>"
% (circle, _("Abstention")), stylesheet['Ballot_option']))
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data = []
# get ballot papers config values
ballot_papers_selection = config["motion_pdf_ballot_papers_selection"]
ballot_papers_number = config["motion_pdf_ballot_papers_number"]
# set number of ballot papers
if ballot_papers_selection == "NUMBER_OF_DELEGATES":
# TODO: get this number from users
try:
if Group.objects.get(pk=3): # TODO: Find a better way
number = User.objects.filter(groups__pk=3).count()
except Group.DoesNotExist:
number = 0
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elif ballot_papers_selection == "NUMBER_OF_ALL_PARTICIPANTS":
# TODO: get the number from the persons
number = int(User.objects.count())
else: # ballot_papers_selection == "CUSTOM_NUMBER"
number = int(ballot_papers_number)
number = max(1, number)
# print ballot papers
if number > 0:
# TODO: try [cell, cell] * (number / 2)
for user in range(number / 2):
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data.append([cell, cell])
rest = number % 2
if rest:
data.append([cell, ''])
t = Table(data, 10.5 * cm, 7.42 * cm)
t.setStyle(TableStyle(
[('GRID', (0, 0), (-1, -1), 0.25, colors.grey),
('VALIGN', (0, 0), (-1, -1), 'TOP')]))
pdf.append(t)