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source: main/waeup.kofa/trunk/src/waeup/kofa/students/utils.py @ 16327

Last change on this file since 16327 was 16291, checked in by Henrik Bettermann, 4 years ago
Insert pagebreak before signature tables if necessary (not tested in base package).
Property svn:keywords set to `Id`
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1	## $Id: utils.py 16291 2020-10-30 12:30:21Z henrik $
2	##
3	## Copyright (C) 2011 Uli Fouquet & Henrik Bettermann
4	## This program is free software; you can redistribute it and/or modify
5	## it under the terms of the GNU General Public License as published by
6	## the Free Software Foundation; either version 2 of the License, or
7	## (at your option) any later version.
8	##
9	## This program is distributed in the hope that it will be useful,
10	## but WITHOUT ANY WARRANTY; without even the implied warranty of
11	## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12	## GNU General Public License for more details.
13	##
14	## You should have received a copy of the GNU General Public License
15	## along with this program; if not, write to the Free Software
16	## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17	##
18	"""General helper functions and utilities for the students section.
19	"""
20	import grok
21	import textwrap
22	from copy import deepcopy
23	from cgi import escape
24	from time import time
25	from cStringIO import StringIO
26	from PyPDF2 import PdfFileMerger, PdfFileReader, PdfFileWriter
27	from reportlab.lib import colors
28	from reportlab.lib.units import cm
29	from reportlab.lib.pagesizes import A4
30	from reportlab.lib.styles import getSampleStyleSheet
31	from reportlab.platypus import Paragraph, Image, Table, Spacer
32	from reportlab.platypus.doctemplate import LayoutError
33	from reportlab.platypus.flowables import PageBreak
34	from zope.event import notify
35	from zope.schema.interfaces import ConstraintNotSatisfied
36	from zope.component import getUtility, createObject, queryUtility
37	from zope.catalog.interfaces import ICatalog
38	from zope.formlib.form import setUpEditWidgets
39	from zope.i18n import translate
40	from waeup.kofa.interfaces import (
41	IExtFileStore, IKofaUtils, RETURNING, PAID, CLEARED, GRADUATED,
42	academic_sessions_vocab, IFileStoreNameChooser)
43	from waeup.kofa.interfaces import MessageFactory as _
44	from waeup.kofa.students.interfaces import IStudentsUtils
45	from waeup.kofa.students.workflow import ADMITTED
46	from waeup.kofa.students.vocabularies import StudyLevelSource, MatNumNotInSource
47	from waeup.kofa.browser.pdf import (
48	ENTRY1_STYLE, format_html, NOTE_STYLE, HEADING_STYLE,
49	get_signature_tables, get_qrcode)
50	from waeup.kofa.browser.interfaces import IPDFCreator
51	from waeup.kofa.utils.helpers import to_timezone
52
53	SLIP_STYLE = [
54	('VALIGN',(0,0),(-1,-1),'TOP'),
55	#('FONT', (0,0), (-1,-1), 'Helvetica', 11),
56	]
57
58	CONTENT_STYLE = [
59	('VALIGN',(0,0),(-1,-1),'TOP'),
60	#('FONT', (0,0), (-1,-1), 'Helvetica', 8),
61	#('TEXTCOLOR',(0,0),(-1,0),colors.white),
62	#('BACKGROUND',(0,0),(-1,0),colors.black),
63	('INNERGRID', (0,0), (-1,-1), 0.25, colors.black),
64	('BOX', (0,0), (-1,-1), 1, colors.black),
65	]
66
67	FONT_SIZE = 10
68	FONT_COLOR = 'black'
69
70	def trans(text, lang):
71	# shortcut
72	return translate(text, 'waeup.kofa', target_language=lang)
73
74	def formatted_text(text, color=FONT_COLOR, lang='en'):
75	"""Turn `text`, `color` and `size` into an HTML snippet.
76
77	The snippet is suitable for use with reportlab and generating PDFs.
78	Wraps the `text` into a ``<font>`` tag with passed attributes.
79
80	Also non-strings are converted. Raw strings are expected to be
81	utf-8 encoded (usually the case for widgets etc.).
82
83	Finally, a br tag is added if widgets contain div tags
84	which are not supported by reportlab.
85
86	The returned snippet is unicode type.
87	"""
88	if not isinstance(text, unicode):
89	if isinstance(text, basestring):
90	text = text.decode('utf-8')
91	else:
92	text = unicode(text)
93	if text == 'None':
94	text = ''
95	# Very long matriculation numbers need to be wrapped
96	if text.find(' ') == -1 and len(text.split('/')) > 6:
97	text = '/'.join(text.split('/')[:5]) + \
98	'/ ' + '/'.join(text.split('/')[5:])
99	# Mainly for boolean values we need our customized
100	# localisation of the zope domain
101	text = translate(text, 'zope', target_language=lang)
102	text = text.replace('</div>', '<br /></div>')
103	tag1 = u'<font color="%s">' % (color)
104	return tag1 + u'%s</font>' % text
105
106	def generate_student_id():
107	students = grok.getSite()['students']
108	new_id = students.unique_student_id
109	return new_id
110
111	def set_up_widgets(view, ignore_request=False):
112	view.adapters = {}
113	view.widgets = setUpEditWidgets(
114	view.form_fields, view.prefix, view.context, view.request,
115	adapters=view.adapters, for_display=True,
116	ignore_request=ignore_request
117	)
118
119	def render_student_data(studentview, context, omit_fields=(),
120	lang='en', slipname=None, no_passport=False):
121	"""Render student table for an existing frame.
122	"""
123	width, height = A4
124	set_up_widgets(studentview, ignore_request=True)
125	data_left = []
126	data_middle = []
127	style = getSampleStyleSheet()
128	img = getUtility(IExtFileStore).getFileByContext(
129	studentview.context, attr='passport.jpg')
130	if img is None:
131	from waeup.kofa.browser import DEFAULT_PASSPORT_IMAGE_PATH
132	img = open(DEFAULT_PASSPORT_IMAGE_PATH, 'rb')
133	doc_img = Image(img.name, width=4cm, height=4cm, kind='bound')
134	data_left.append([doc_img])
135	#data.append([Spacer(1, 12)])
136
137	f_label = trans(_('Name:'), lang)
138	f_label = Paragraph(f_label, ENTRY1_STYLE)
139	f_text = formatted_text(studentview.context.display_fullname)
140	f_text = Paragraph(f_text, ENTRY1_STYLE)
141	data_middle.append([f_label,f_text])
142
143	for widget in studentview.widgets:
144	if 'name' in widget.name:
145	continue
146	f_label = translate(
147	widget.label.strip(), 'waeup.kofa',
148	target_language=lang)
149	f_label = Paragraph('%s:' % f_label, ENTRY1_STYLE)
150	f_text = formatted_text(widget(), lang=lang)
151	f_text = Paragraph(f_text, ENTRY1_STYLE)
152	data_middle.append([f_label,f_text])
153	if not 'date_of_birth' in omit_fields:
154	f_label = trans(_('Date of Birth:'), lang)
155	f_label = Paragraph(f_label, ENTRY1_STYLE)
156	date_of_birth = studentview.context.date_of_birth
157	tz = getUtility(IKofaUtils).tzinfo
158	date_of_birth = to_timezone(date_of_birth, tz)
159	if date_of_birth is not None:
160	date_of_birth = date_of_birth.strftime("%d/%m/%Y")
161	f_text = formatted_text(date_of_birth)
162	f_text = Paragraph(f_text, ENTRY1_STYLE)
163	data_middle.append([f_label,f_text])
164	if getattr(studentview.context, 'certcode', None):
165	if not 'certificate' in omit_fields:
166	f_label = trans(_('Study Course:'), lang)
167	f_label = Paragraph(f_label, ENTRY1_STYLE)
168	f_text = formatted_text(
169	studentview.context['studycourse'].certificate.longtitle)
170	f_text = Paragraph(f_text, ENTRY1_STYLE)
171	data_middle.append([f_label,f_text])
172	if not 'department' in omit_fields:
173	f_label = trans(_('Department:'), lang)
174	f_label = Paragraph(f_label, ENTRY1_STYLE)
175	f_text = formatted_text(
176	studentview.context[
177	'studycourse'].certificate.__parent__.__parent__.longtitle,
178	)
179	f_text = Paragraph(f_text, ENTRY1_STYLE)
180	data_middle.append([f_label,f_text])
181	if not 'faculty' in omit_fields:
182	f_label = trans(_('Faculty:'), lang)
183	f_label = Paragraph(f_label, ENTRY1_STYLE)
184	f_text = formatted_text(
185	studentview.context[
186	'studycourse'].certificate.__parent__.__parent__.__parent__.longtitle,
187	)
188	f_text = Paragraph(f_text, ENTRY1_STYLE)
189	data_middle.append([f_label,f_text])
190	if not 'current_mode' in omit_fields:
191	studymodes_dict = getUtility(IKofaUtils).STUDY_MODES_DICT
192	sm = studymodes_dict[studentview.context.current_mode]
193	f_label = trans(_('Study Mode:'), lang)
194	f_label = Paragraph(f_label, ENTRY1_STYLE)
195	f_text = formatted_text(sm)
196	f_text = Paragraph(f_text, ENTRY1_STYLE)
197	data_middle.append([f_label,f_text])
198	if not 'entry_session' in omit_fields:
199	f_label = trans(_('Entry Session:'), lang)
200	f_label = Paragraph(f_label, ENTRY1_STYLE)
201	entry_session = studentview.context.entry_session
202	try:
203	entry_session = academic_sessions_vocab.getTerm(
204	entry_session).title
205	except LookupError:
206	entry_session = _('void')
207	f_text = formatted_text(entry_session)
208	f_text = Paragraph(f_text, ENTRY1_STYLE)
209	data_middle.append([f_label,f_text])
210	# Requested by Uniben, does not really make sense
211	if not 'current_level' in omit_fields:
212	f_label = trans(_('Current Level:'), lang)
213	f_label = Paragraph(f_label, ENTRY1_STYLE)
214	current_level = studentview.context['studycourse'].current_level
215	studylevelsource = StudyLevelSource().factory
216	current_level = studylevelsource.getTitle(
217	studentview.context, current_level)
218	f_text = formatted_text(current_level)
219	f_text = Paragraph(f_text, ENTRY1_STYLE)
220	data_middle.append([f_label,f_text])
221
222	if no_passport:
223	table = Table(data_middle,style=SLIP_STYLE)
224	table.hAlign = 'LEFT'
225	return table
226
227	# append QR code to the right
228	if slipname:
229	url = studentview.url(context, slipname)
230	data_right = [[get_qrcode(url, width=70.0)]]
231	table_right = Table(data_right,style=SLIP_STYLE)
232	else:
233	table_right = None
234
235	table_left = Table(data_left,style=SLIP_STYLE)
236	table_middle = Table(data_middle,style=SLIP_STYLE, colWidths=[5cm, 5cm])
237	table = Table([[table_left, table_middle, table_right],],style=SLIP_STYLE)
238	return table
239
240	def render_table_data(tableheader, tabledata, lang='en'):
241	"""Render children table for an existing frame.
242	"""
243	data = []
244	#data.append([Spacer(1, 12)])
245	line = []
246	style = getSampleStyleSheet()
247	for element in tableheader:
248	field = '<strong>%s</strong>' % formatted_text(element[0], lang=lang)
249	field = Paragraph(field, style["Normal"])
250	line.append(field)
251	data.append(line)
252	for ticket in tabledata:
253	line = []
254	for element in tableheader:
255	field = formatted_text(getattr(ticket,element[1],u' '))
256	field = Paragraph(field, style["Normal"])
257	line.append(field)
258	data.append(line)
259	table = Table(data,colWidths=[
260	element[2]*cm for element in tableheader], style=CONTENT_STYLE)
261	return table
262
263	def render_transcript_data(view, tableheader, levels_data, lang='en'):
264	"""Render children table for an existing frame.
265	"""
266	data = []
267	style = getSampleStyleSheet()
268	format_float = getUtility(IKofaUtils).format_float
269	for level in levels_data:
270	level_obj = level['level']
271	tickets = level['tickets_1'] + level['tickets_2'] + level['tickets_3']
272	headerline = []
273	tabledata = []
274	if 'evel' in view.level_dict.get('ticket.level', str(level_obj.level)):
275	subheader = '%s %s, %s' % (
276	trans(_('Session'), lang),
277	view.session_dict[level_obj.level_session],
278	view.level_dict.get('ticket.level', str(level_obj.level)))
279	else:
280	subheader = '%s %s, %s %s' % (
281	trans(_('Session'), lang),
282	view.session_dict[level_obj.level_session],
283	trans(_('Level'), lang),
284	view.level_dict.get(level_obj.level, str(level_obj.level)))
285	data.append(Paragraph(subheader, HEADING_STYLE))
286	for element in tableheader:
287	field = '<strong>%s</strong>' % formatted_text(element[0])
288	field = Paragraph(field, style["Normal"])
289	headerline.append(field)
290	tabledata.append(headerline)
291	for ticket in tickets:
292	ticketline = []
293	for element in tableheader:
294	field = formatted_text(getattr(ticket,element[1],u' '))
295	field = Paragraph(field, style["Normal"])
296	ticketline.append(field)
297	tabledata.append(ticketline)
298	table = Table(tabledata,colWidths=[
299	element[2]*cm for element in tableheader], style=CONTENT_STYLE)
300	data.append(table)
301	sgpa = format_float(level['sgpa'], 2)
302	sgpa = '%s: %s' % (trans('Sessional GPA (rectified)', lang), sgpa)
303	#sgpa = '%s: %.2f' % (trans('Sessional GPA (rectified)', lang), level['sgpa'])
304	data.append(Paragraph(sgpa, style["Normal"]))
305	if getattr(level_obj, 'transcript_remark', None):
306	remark = '%s: %s' % (
307	trans('Transcript Remark', lang),
308	getattr(level_obj, 'transcript_remark'))
309	data.append(Paragraph(remark, style["Normal"]))
310	return data
311
312	def docs_as_flowables(view, lang='en'):
313	"""Create reportlab flowables out of scanned docs.
314	"""
315	# XXX: fix circular import problem
316	from waeup.kofa.browser.fileviewlets import FileManager
317	from waeup.kofa.browser import DEFAULT_IMAGE_PATH
318	style = getSampleStyleSheet()
319	data = []
320
321	# Collect viewlets
322	fm = FileManager(view.context, view.request, view)
323	fm.update()
324	if fm.viewlets:
325	sc_translation = trans(_('Scanned Documents'), lang)
326	data.append(Paragraph(sc_translation, HEADING_STYLE))
327	# Insert list of scanned documents
328	table_data = []
329	for viewlet in fm.viewlets:
330	if viewlet.file_exists:
331	# Show viewlet only if file exists
332	f_label = Paragraph(trans(viewlet.label, lang), ENTRY1_STYLE)
333	img_path = getattr(getUtility(IExtFileStore).getFileByContext(
334	view.context, attr=viewlet.download_name), 'name', None)
335	#f_text = Paragraph(trans(_('(not provided)'),lang), ENTRY1_STYLE)
336	if img_path is None:
337	pass
338	elif not img_path[-4:] in ('.jpg', '.JPG'):
339	# reportlab requires jpg images, I think.
340	f_text = Paragraph('%s (not displayable)' % (
341	viewlet.title,), ENTRY1_STYLE)
342	else:
343	f_text = Image(img_path, width=2cm, height=1cm, kind='bound')
344	table_data.append([f_label, f_text])
345	if table_data:
346	# safety belt; empty tables lead to problems.
347	data.append(Table(table_data, style=SLIP_STYLE))
348	return data
349
350	class StudentsUtils(grok.GlobalUtility):
351	"""A collection of methods subject to customization.
352	"""
353	grok.implements(IStudentsUtils)
354
355	def getReturningData(self, student):
356	""" Define what happens after school fee payment
357	depending on the student's senate verdict.
358	In the base configuration current level is always increased
359	by 100 no matter which verdict has been assigned.
360	"""
361	new_level = student['studycourse'].current_level + 100
362	new_session = student['studycourse'].current_session + 1
363	return new_session, new_level
364
365	def setReturningData(self, student):
366	""" Define what happens after school fee payment
367	depending on the student's senate verdict.
368	This method folllows the same algorithm as `getReturningData` but
369	it also sets the new values.
370	"""
371	new_session, new_level = self.getReturningData(student)
372	try:
373	student['studycourse'].current_level = new_level
374	except ConstraintNotSatisfied:
375	# Do not change level if level exceeds the
376	# certificate's end_level.
377	pass
378	student['studycourse'].current_session = new_session
379	verdict = student['studycourse'].current_verdict
380	student['studycourse'].current_verdict = '0'
381	student['studycourse'].previous_verdict = verdict
382	return
383
384	def _getSessionConfiguration(self, session):
385	try:
386	return grok.getSite()['configuration'][str(session)]
387	except KeyError:
388	return None
389
390	def _isPaymentDisabled(self, p_session, category, student):
391	academic_session = self._getSessionConfiguration(p_session)
392	if category == 'schoolfee' and \
393	'sf_all' in academic_session.payment_disabled:
394	return True
395	return False
396
397	def samePaymentMade(self, student, category, p_item, p_session):
398	for key in student['payments'].keys():
399	ticket = student['payments'][key]
400	if ticket.p_state == 'paid' and\
401	ticket.p_category == category and \
402	ticket.p_item != 'Balance' and \
403	ticket.p_item == p_item and \
404	ticket.p_session == p_session:
405	return True
406	return False
407
408	def setPaymentDetails(self, category, student,
409	previous_session=None, previous_level=None, combi=[]):
410	"""Create a payment ticket and set the payment data of a
411	student for the payment category specified.
412	"""
413	p_item = u''
414	amount = 0.0
415	if previous_session:
416	if previous_session < student['studycourse'].entry_session:
417	return _('The previous session must not fall below '
418	'your entry session.'), None
419	if category == 'schoolfee':
420	# School fee is always paid for the following session
421	if previous_session > student['studycourse'].current_session:
422	return _('This is not a previous session.'), None
423	else:
424	if previous_session > student['studycourse'].current_session - 1:
425	return _('This is not a previous session.'), None
426	p_session = previous_session
427	p_level = previous_level
428	p_current = False
429	else:
430	p_session = student['studycourse'].current_session
431	p_level = student['studycourse'].current_level
432	p_current = True
433	academic_session = self._getSessionConfiguration(p_session)
434	if academic_session == None:
435	return _(u'Session configuration object is not available.'), None
436	# Determine fee.
437	if category == 'schoolfee':
438	try:
439	certificate = student['studycourse'].certificate
440	p_item = certificate.code
441	except (AttributeError, TypeError):
442	return _('Study course data are incomplete.'), None
443	if previous_session:
444	# Students can pay for previous sessions in all
445	# workflow states. Fresh students are excluded by the
446	# update method of the PreviousPaymentAddFormPage.
447	if previous_level == 100:
448	amount = getattr(certificate, 'school_fee_1', 0.0)
449	else:
450	amount = getattr(certificate, 'school_fee_2', 0.0)
451	else:
452	if student.state == CLEARED:
453	amount = getattr(certificate, 'school_fee_1', 0.0)
454	elif student.state == RETURNING:
455	# In case of returning school fee payment the
456	# payment session and level contain the values of
457	# the session the student has paid for. Payment
458	# session is always next session.
459	p_session, p_level = self.getReturningData(student)
460	academic_session = self._getSessionConfiguration(p_session)
461	if academic_session == None:
462	return _(
463	u'Session configuration object is not available.'
464	), None
465	amount = getattr(certificate, 'school_fee_2', 0.0)
466	elif student.is_postgrad and student.state == PAID:
467	# Returning postgraduate students also pay for the
468	# next session but their level always remains the
469	# same.
470	p_session += 1
471	academic_session = self._getSessionConfiguration(p_session)
472	if academic_session == None:
473	return _(
474	u'Session configuration object is not available.'
475	), None
476	amount = getattr(certificate, 'school_fee_2', 0.0)
477	elif category == 'clearance':
478	try:
479	p_item = student['studycourse'].certificate.code
480	except (AttributeError, TypeError):
481	return _('Study course data are incomplete.'), None
482	amount = academic_session.clearance_fee
483	elif category == 'bed_allocation':
484	p_item = self.getAccommodationDetails(student)['bt']
485	amount = academic_session.booking_fee
486	elif category == 'hostel_maintenance':
487	amount = 0.0
488	bedticket = student['accommodation'].get(
489	str(student.current_session), None)
490	if bedticket is not None and bedticket.bed is not None:
491	p_item = bedticket.bed_coordinates
492	if bedticket.bed.__parent__.maint_fee > 0:
493	amount = bedticket.bed.__parent__.maint_fee
494	else:
495	# fallback
496	amount = academic_session.maint_fee
497	else:
498	return _(u'No bed allocated.'), None
499	elif category == 'combi' and combi:
500	categories = getUtility(IKofaUtils).COMBI_PAYMENT_CATEGORIES
501	for cat in combi:
502	fee_name = cat + '_fee'
503	cat_amount = getattr(academic_session, fee_name, 0.0)
504	if not cat_amount:
505	return _('%s undefined.' % categories[cat]), None
506	amount += cat_amount
507	p_item += u'%s + ' % categories[cat]
508	p_item = p_item.strip(' + ')
509	else:
510	fee_name = category + '_fee'
511	amount = getattr(academic_session, fee_name, 0.0)
512	if amount in (0.0, None):
513	return _('Amount could not be determined.'), None
514	if self.samePaymentMade(student, category, p_item, p_session):
515	return _('This type of payment has already been made.'), None
516	if self._isPaymentDisabled(p_session, category, student):
517	return _('This category of payments has been disabled.'), None
518	payment = createObject(u'waeup.StudentOnlinePayment')
519	timestamp = ("%d" % int(time()*10000))[1:]
520	payment.p_id = "p%s" % timestamp
521	payment.p_category = category
522	payment.p_item = p_item
523	payment.p_session = p_session
524	payment.p_level = p_level
525	payment.p_current = p_current
526	payment.amount_auth = amount
527	payment.p_combi = combi
528	return None, payment
529
530	def setBalanceDetails(self, category, student,
531	balance_session, balance_level, balance_amount):
532	"""Create a balance payment ticket and set the payment data
533	as selected by the student.
534	"""
535	p_item = u'Balance'
536	p_session = balance_session
537	p_level = balance_level
538	p_current = False
539	amount = balance_amount
540	academic_session = self._getSessionConfiguration(p_session)
541	if academic_session == None:
542	return _(u'Session configuration object is not available.'), None
543	if amount in (0.0, None) or amount < 0:
544	return _('Amount must be greater than 0.'), None
545	payment = createObject(u'waeup.StudentOnlinePayment')
546	timestamp = ("%d" % int(time()*10000))[1:]
547	payment.p_id = "p%s" % timestamp
548	payment.p_category = category
549	payment.p_item = p_item
550	payment.p_session = p_session
551	payment.p_level = p_level
552	payment.p_current = p_current
553	payment.amount_auth = amount
554	return None, payment
555
556	def increaseMatricInteger(self, student):
557	"""Increase counter for matric numbers.
558	This counter can be a centrally stored attribute or an attribute of
559	faculties, departments or certificates. In the base package the counter
560	is as an attribute of the site configuration container.
561	"""
562	grok.getSite()['configuration'].next_matric_integer += 1
563	return
564
565	def constructMatricNumber(self, student):
566	"""Fetch the matric number counter which fits the student and
567	construct the new matric number of the student.
568	In the base package the counter is returned which is as an attribute
569	of the site configuration container.
570	"""
571	next_integer = grok.getSite()['configuration'].next_matric_integer
572	if next_integer == 0:
573	return _('Matriculation number cannot be set.'), None
574	return None, unicode(next_integer)
575
576	def setMatricNumber(self, student):
577	"""Set matriculation number of student. If the student's matric number
578	is unset a new matric number is
579	constructed according to the matriculation number construction rules
580	defined in the `constructMatricNumber` method. The new matric number is
581	set, the students catalog updated. The corresponding matric number
582	counter is increased by one.
583
584	This method is tested but not used in the base package. It can
585	be used in custom packages by adding respective views
586	and by customizing `increaseMatricInteger` and `constructMatricNumber`
587	according to the university's matriculation number construction rules.
588
589	The method can be disabled by setting the counter to zero.
590	"""
591	if student.matric_number is not None:
592	return _('Matriculation number already set.'), None
593	if student.certcode is None:
594	return _('No certificate assigned.'), None
595	error, matric_number = self.constructMatricNumber(student)
596	if error:
597	return error, None
598	try:
599	student.matric_number = matric_number
600	except MatNumNotInSource:
601	return _('Matriculation number %s exists.' % matric_number), None
602	notify(grok.ObjectModifiedEvent(student))
603	self.increaseMatricInteger(student)
604	return None, matric_number
605
606	def getAccommodationDetails(self, student):
607	"""Determine the accommodation data of a student.
608	"""
609	d = {}
610	d['error'] = u''
611	hostels = grok.getSite()['hostels']
612	d['booking_session'] = hostels.accommodation_session
613	d['allowed_states'] = hostels.accommodation_states
614	d['startdate'] = hostels.startdate
615	d['enddate'] = hostels.enddate
616	d['expired'] = hostels.expired
617	# Determine bed type
618	studycourse = student['studycourse']
619	certificate = getattr(studycourse,'certificate',None)
620	entry_session = studycourse.entry_session
621	current_level = studycourse.current_level
622	if None in (entry_session, current_level, certificate):
623	return d
624	end_level = certificate.end_level
625	if current_level == 10:
626	bt = 'pr'
627	elif entry_session == grok.getSite()['hostels'].accommodation_session:
628	bt = 'fr'
629	elif current_level >= end_level:
630	bt = 'fi'
631	else:
632	bt = 're'
633	if student.sex == 'f':
634	sex = 'female'
635	else:
636	sex = 'male'
637	special_handling = 'regular'
638	d['bt'] = u'%s_%s_%s' % (special_handling,sex,bt)
639	return d
640
641	def checkAccommodationRequirements(self, student, acc_details):
642	if acc_details.get('expired', False):
643	startdate = acc_details.get('startdate')
644	enddate = acc_details.get('enddate')
645	if startdate and enddate:
646	tz = getUtility(IKofaUtils).tzinfo
647	startdate = to_timezone(
648	startdate, tz).strftime("%d/%m/%Y %H:%M:%S")
649	enddate = to_timezone(
650	enddate, tz).strftime("%d/%m/%Y %H:%M:%S")
651	return _("Outside booking period: ${a} - ${b}",
652	mapping = {'a': startdate, 'b': enddate})
653	else:
654	return _("Outside booking period.")
655	if not acc_details.get('bt'):
656	return _("Your data are incomplete.")
657	if not student.state in acc_details['allowed_states']:
658	return _("You are in the wrong registration state.")
659	if student['studycourse'].current_session != acc_details[
660	'booking_session']:
661	return _('Your current session does not '
662	'match accommodation session.')
663	bsession = str(acc_details['booking_session'])
664	if bsession in student['accommodation'].keys() \
665	and not 'booking expired' in \
666	student['accommodation'][bsession].bed_coordinates:
667	return _('You already booked a bed space in '
668	'current accommodation session.')
669	return
670
671	def selectBed(self, available_beds):
672	"""Select a bed from a filtered list of available beds.
673	In the base configuration beds are sorted by the sort id
674	of the hostel and the bed number. The first bed found in
675	this sorted list is taken.
676	"""
677	sorted_beds = sorted(available_beds,
678	key=lambda bed: 1000 * bed.__parent__.sort_id + bed.bed_number)
679	return sorted_beds[0]
680
681	def GPABoundaries(self, faccode=None, depcode=None, certcode=None):
682	return ((1, 'Fail'),
683	(1.5, 'Pass'),
684	(2.4, '3rd Class'),
685	(3.5, '2nd Class Lower'),
686	(4.5, '2nd Class Upper'),
687	(5, '1st Class'))
688
689	def getClassFromCGPA(self, gpa, student):
690	"""Determine the class of degree. In some custom packages
691	this class depends on e.g. the entry session of the student. In the
692	base package, it does not.
693	"""
694	if gpa < self.GPABoundaries()[0][0]:
695	return 0, self.GPABoundaries()[0][1]
696	if gpa < self.GPABoundaries()[1][0]:
697	return 1, self.GPABoundaries()[1][1]
698	if gpa < self.GPABoundaries()[2][0]:
699	return 2, self.GPABoundaries()[2][1]
700	if gpa < self.GPABoundaries()[3][0]:
701	return 3, self.GPABoundaries()[3][1]
702	if gpa < self.GPABoundaries()[4][0]:
703	return 4, self.GPABoundaries()[4][1]
704	if gpa <= self.GPABoundaries()[5][0]:
705	return 5, self.GPABoundaries()[5][1]
706	return
707
708	def getDegreeClassNumber(self, level_obj):
709	"""Get degree class number (used for SessionResultsPresentation
710	reports).
711	"""
712	if level_obj.gpa_params[1] == 0:
713	# No credits weighted
714	return 6
715	return self.getClassFromCGPA(
716	level_obj.cumulative_params[0], level_obj.student)[0]
717
718	def _saveTranscriptPDF(self, student, transcript):
719	"""Create a transcript PDF file and store it in student folder.
720	"""
721	file_store = getUtility(IExtFileStore)
722	file_id = IFileStoreNameChooser(student).chooseName(
723	attr="final_transcript.pdf")
724	file_store.createFile(file_id, StringIO(transcript))
725	return
726
727	def warnCreditsOOR(self, studylevel, course=None):
728	"""Return message if credits are out of range. In the base
729	package only maximum credits is set.
730	"""
731	if course and studylevel.total_credits + course.credits > 50:
732	return _('Maximum credits exceeded.')
733	elif studylevel.total_credits > 50:
734	return _('Maximum credits exceeded.')
735	return
736
737	def warnCourseAlreadyPassed(self, studylevel, course):
738	"""Return message if course has already been passed at
739	previous levels.
740	"""
741	for slevel in studylevel.__parent__.values():
742	for cticket in slevel.values():
743	if cticket.code == course.code \
744	and cticket.total_score >= cticket.passmark:
745	return _('Course has already been passed at previous level.')
746	return False
747
748	def getBedCoordinates(self, bedticket):
749	"""Return descriptive bed coordinates.
750	This method can be used to customize the `display_coordinates`
751	property method in order to display a
752	customary description of the bed space.
753	"""
754	return bedticket.bed_coordinates
755
756	def clearance_disabled_message(self, student):
757	"""Render message if clearance is disabled.
758	"""
759	try:
760	session_config = grok.getSite()[
761	'configuration'][str(student.current_session)]
762	except KeyError:
763	return _('Session configuration object is not available.')
764	if not session_config.clearance_enabled:
765	return _('Clearance is disabled for this session.')
766	return None
767
768	def getPDFCreator(self, context):
769	"""Get a pdf creator suitable for `context`.
770	The default implementation always returns the default creator.
771	"""
772	return getUtility(IPDFCreator)
773
774	def _mergeFiles(self, mergefiles, watermark, pdf_stream):
775	merger = PdfFileMerger()
776	merger.append(StringIO(pdf_stream))
777	for file in mergefiles:
778	if watermark:
779	# Pass through all pages of each file
780	# and merge with watermark page. Paint
781	# watermark first to make it transparent.
782	marked_file = PdfFileWriter()
783	orig_file = PdfFileReader(file)
784	num_pages = orig_file.getNumPages()
785	for num in range(num_pages):
786	watermark_file = PdfFileReader(watermark)
787	page = watermark_file.getPage(0)
788	page.mergePage(orig_file.getPage(num))
789	marked_file.addPage(page)
790	# Save into a file-like object
791	tmp1 = StringIO()
792	marked_file.write(tmp1)
793	# Append the file-like object
794	merger.append(tmp1)
795	else:
796	# Just append the file object
797	merger.append(file)
798	# Save into a file-like object
799	tmp2 = StringIO()
800	merger.write(tmp2)
801	return tmp2.getvalue()
802
803	def renderPDF(self, view, filename='slip.pdf', student=None,
804	studentview=None,
805	tableheader=[], tabledata=[],
806	note=None, signatures=None, sigs_in_footer=(),
807	show_scans=True, topMargin=1.5,
808	omit_fields=(),
809	mergefiles=None, watermark=None,
810	pagebreak=False):
811	"""Render pdf slips for various pages (also some pages
812	in the applicants module).
813	"""
814	portal_language = getUtility(IKofaUtils).PORTAL_LANGUAGE
815	# XXX: tell what the different parameters mean
816	style = getSampleStyleSheet()
817	creator = self.getPDFCreator(student)
818	data = []
819	doc_title = view.label
820	author = '%s (%s)' % (view.request.principal.title,
821	view.request.principal.id)
822	footer_text = view.label.split('\n')
823	if len(footer_text) > 2:
824	# We can add a department in first line, second line is used
825	footer_text = footer_text[1]
826	else:
827	# Only the first line is used for the footer
828	footer_text = footer_text[0]
829	if getattr(student, 'student_id', None) is not None:
830	footer_text = "%s - %s - " % (student.student_id, footer_text)
831
832	# Insert student data table
833	if student is not None:
834	if view.form_fields:
835	bd_translation = trans(_('Base Data'), portal_language)
836	data.append(Paragraph(bd_translation, HEADING_STYLE))
837	data.append(render_student_data(
838	studentview, view.context, omit_fields, lang=portal_language,
839	slipname=filename))
840
841	# Insert widgets
842	if view.form_fields:
843	data.append(Paragraph(view.title, HEADING_STYLE))
844	separators = getattr(self, 'SEPARATORS_DICT', {})
845	table = creator.getWidgetsTable(
846	view.form_fields, view.context, None, lang=portal_language,
847	separators=separators)
848	data.append(table)
849
850	# Insert scanned docs
851	if show_scans:
852	data.extend(docs_as_flowables(view, portal_language))
853
854	# Insert history
855	if filename == 'clearance_slip.pdf':
856	hist_translation = trans(_('Workflow History'), portal_language)
857	data.append(Paragraph(hist_translation, HEADING_STYLE))
858	data.extend(creator.fromStringList(student.history.messages))
859
860	# Insert content tables (optionally on second page)
861	if hasattr(view, 'tabletitle'):
862	for i in range(len(view.tabletitle)):
863	if tabledata[i] and tableheader[i]:
864	tabletitle = view.tabletitle[i]
865	if tabletitle.startswith('_PB_'):
866	data.append(PageBreak())
867	tabletitle = view.tabletitle[i].strip('_PB_')
868	#data.append(Spacer(1, 20))
869	data.append(Paragraph(tabletitle, HEADING_STYLE))
870	data.append(Spacer(1, 8))
871	contenttable = render_table_data(tableheader[i],tabledata[i])
872	data.append(contenttable)
873
874	# Insert signatures
875	# XXX: We are using only sigs_in_footer in waeup.kofa, so we
876	# do not have a test for the following lines.
877	if signatures and not sigs_in_footer:
878	# Insert page break if necessary, else some space
879	if pagebreak:
880	data.append(PageBreak())
881	else:
882	data.append(Spacer(1, 20))
883	# Render one signature table per signature to
884	# get date and signature in line.
885	for signature in signatures:
886	signaturetables = get_signature_tables(signature)
887	data.append(signaturetables[0])
888
889	view.response.setHeader(
890	'Content-Type', 'application/pdf')
891	try:
892	pdf_stream = creator.create_pdf(
893	data, None, doc_title, author=author, footer=footer_text,
894	note=note, sigs_in_footer=sigs_in_footer, topMargin=topMargin)
895	except IOError:
896	view.flash('Error in image file.')
897	return view.redirect(view.url(view.context))
898	except LayoutError, err:
899	view.flash(
900	'PDF file could not be created. Reportlab error message: %s'
901	% escape(err.message),
902	type="danger")
903	return view.redirect(view.url(view.context))
904	if mergefiles:
905	return self._mergeFiles(mergefiles, watermark, pdf_stream)
906	return pdf_stream
907
908	def _admissionText(self, student, portal_language):
909	inst_name = grok.getSite()['configuration'].name
910	text = trans(_(
911	'This is to inform you that you have been provisionally'
912	' admitted into ${a} as follows:', mapping = {'a': inst_name}),
913	portal_language)
914	return text
915
916	def renderPDFAdmissionLetter(self, view, student=None, omit_fields=(),
917	pre_text=None, post_text=None,
918	topMargin = 1.5,
919	letterhead_path=None,
920	mergefiles=None, watermark=None):
921	"""Render pdf admission letter.
922	"""
923	if student is None:
924	return
925	style = getSampleStyleSheet()
926	if letterhead_path:
927	creator = getUtility(IPDFCreator, name='letter')
928	else:
929	creator = self.getPDFCreator(student)
930	portal_language = getUtility(IKofaUtils).PORTAL_LANGUAGE
931	data = []
932	doc_title = view.label
933	author = '%s (%s)' % (view.request.principal.title,
934	view.request.principal.id)
935	footer_text = view.label.split('\n')
936	if len(footer_text) > 2:
937	# We can add a department in first line
938	footer_text = footer_text[1]
939	else:
940	# Only the first line is used for the footer
941	footer_text = footer_text[0]
942	if getattr(student, 'student_id', None) is not None:
943	footer_text = "%s - %s - " % (student.student_id, footer_text)
944
945	# Text before student data
946	if pre_text is None:
947	html = format_html(self._admissionText(student, portal_language))
948	else:
949	html = format_html(pre_text)
950	if html:
951	data.append(Paragraph(html, NOTE_STYLE))
952	data.append(Spacer(1, 20))
953
954	# Student data
955	data.append(render_student_data(view, student,
956	omit_fields, lang=portal_language,
957	slipname='admission_slip.pdf'))
958
959	# Text after student data
960	data.append(Spacer(1, 20))
961	if post_text is None:
962	datelist = student.history.messages[0].split()[0].split('-')
963	creation_date = u'%s/%s/%s' % (datelist[2], datelist[1], datelist[0])
964	post_text = trans(_(
965	'Your Kofa student record was created on ${a}.',
966	mapping = {'a': creation_date}),
967	portal_language)
968	#html = format_html(post_text)
969	#data.append(Paragraph(html, NOTE_STYLE))
970
971	# Create pdf stream
972	view.response.setHeader(
973	'Content-Type', 'application/pdf')
974	pdf_stream = creator.create_pdf(
975	data, None, doc_title, author=author, footer=footer_text,
976	note=post_text, topMargin=topMargin,
977	letterhead_path=letterhead_path)
978	if mergefiles:
979	return self._mergeFiles(mergefiles, watermark, pdf_stream)
980	return pdf_stream
981
982	def renderPDFTranscript(self, view, filename='transcript.pdf',
983	student=None,
984	studentview=None,
985	note=None,
986	signatures=(),
987	sigs_in_footer=(),
988	digital_sigs=(),
989	show_scans=True, topMargin=1.5,
990	omit_fields=(),
991	tableheader=None,
992	no_passport=False,
993	save_file=False):
994	"""Render pdf slip of a transcripts.
995	"""
996	portal_language = getUtility(IKofaUtils).PORTAL_LANGUAGE
997	# XXX: tell what the different parameters mean
998	style = getSampleStyleSheet()
999	creator = self.getPDFCreator(student)
1000	data = []
1001	doc_title = view.label
1002	author = '%s (%s)' % (view.request.principal.title,
1003	view.request.principal.id)
1004	footer_text = view.label.split('\n')
1005	if len(footer_text) > 2:
1006	# We can add a department in first line
1007	footer_text = footer_text[1]
1008	else:
1009	# Only the first line is used for the footer
1010	footer_text = footer_text[0]
1011	if getattr(student, 'student_id', None) is not None:
1012	footer_text = "%s - %s - " % (student.student_id, footer_text)
1013
1014	# Insert student data table
1015	if student is not None:
1016	#bd_translation = trans(_('Base Data'), portal_language)
1017	#data.append(Paragraph(bd_translation, HEADING_STYLE))
1018	data.append(render_student_data(
1019	studentview, view.context,
1020	omit_fields, lang=portal_language,
1021	slipname=filename,
1022	no_passport=no_passport))
1023
1024	transcript_data = view.context.getTranscriptData()
1025	levels_data = transcript_data[0]
1026
1027	contextdata = []
1028	f_label = trans(_('Course of Study:'), portal_language)
1029	f_label = Paragraph(f_label, ENTRY1_STYLE)
1030	f_text = formatted_text(view.context.certificate.longtitle)
1031	f_text = Paragraph(f_text, ENTRY1_STYLE)
1032	contextdata.append([f_label,f_text])
1033
1034	f_label = trans(_('Faculty:'), portal_language)
1035	f_label = Paragraph(f_label, ENTRY1_STYLE)
1036	f_text = formatted_text(
1037	view.context.certificate.__parent__.__parent__.__parent__.longtitle)
1038	f_text = Paragraph(f_text, ENTRY1_STYLE)
1039	contextdata.append([f_label,f_text])
1040
1041	f_label = trans(_('Department:'), portal_language)
1042	f_label = Paragraph(f_label, ENTRY1_STYLE)
1043	f_text = formatted_text(
1044	view.context.certificate.__parent__.__parent__.longtitle)
1045	f_text = Paragraph(f_text, ENTRY1_STYLE)
1046	contextdata.append([f_label,f_text])
1047
1048	f_label = trans(_('Entry Session:'), portal_language)
1049	f_label = Paragraph(f_label, ENTRY1_STYLE)
1050	f_text = formatted_text(
1051	view.session_dict.get(view.context.entry_session))
1052	f_text = Paragraph(f_text, ENTRY1_STYLE)
1053	contextdata.append([f_label,f_text])
1054
1055	f_label = trans(_('Entry Mode:'), portal_language)
1056	f_label = Paragraph(f_label, ENTRY1_STYLE)
1057	f_text = formatted_text(view.studymode_dict.get(
1058	view.context.entry_mode))
1059	f_text = Paragraph(f_text, ENTRY1_STYLE)
1060	contextdata.append([f_label,f_text])
1061
1062	f_label = trans(_('Cumulative GPA:'), portal_language)
1063	f_label = Paragraph(f_label, ENTRY1_STYLE)
1064	format_float = getUtility(IKofaUtils).format_float
1065	cgpa = format_float(transcript_data[1], 3)
1066	if student.state == GRADUATED:
1067	f_text = formatted_text('%s (%s)' % (
1068	cgpa, self.getClassFromCGPA(transcript_data[1], student)[1]))
1069	else:
1070	f_text = formatted_text('%s' % cgpa)
1071	f_text = Paragraph(f_text, ENTRY1_STYLE)
1072	contextdata.append([f_label,f_text])
1073
1074	contexttable = Table(contextdata,style=SLIP_STYLE)
1075	data.append(contexttable)
1076
1077	transcripttables = render_transcript_data(
1078	view, tableheader, levels_data, lang=portal_language)
1079	data.extend(transcripttables)
1080
1081	# Insert signatures
1082	# XXX: We are using only sigs_in_footer in waeup.kofa, so we
1083	# do not have a test for the following lines.
1084	if signatures and not sigs_in_footer:
1085	data.append(Spacer(1, 20))
1086	# Render one signature table per signature to
1087	# get date and signature in line.
1088	for signature in signatures:
1089	signaturetables = get_signature_tables(signature)
1090	data.append(signaturetables[0])
1091
1092	# Insert digital signatures
1093	if digital_sigs:
1094	data.append(Spacer(1, 20))
1095	sigs = digital_sigs.split('\n')
1096	for sig in sigs:
1097	data.append(Paragraph(sig, NOTE_STYLE))
1098
1099	view.response.setHeader(
1100	'Content-Type', 'application/pdf')
1101	try:
1102	pdf_stream = creator.create_pdf(
1103	data, None, doc_title, author=author, footer=footer_text,
1104	note=note, sigs_in_footer=sigs_in_footer, topMargin=topMargin)
1105	except IOError:
1106	view.flash(_('Error in image file.'))
1107	return view.redirect(view.url(view.context))
1108	if save_file:
1109	self._saveTranscriptPDF(student, pdf_stream)
1110	return
1111	return pdf_stream
1112
1113	def renderPDFCourseticketsOverview(
1114	self, view, name, session, data, lecturers, orientation,
1115	title_length, note):
1116	"""Render pdf slip of course tickets for a lecturer.
1117	"""
1118	filename = '%s_%s_%s_%s.pdf' % (
1119	name, view.context.code, session, view.request.principal.id)
1120	try:
1121	session = academic_sessions_vocab.getTerm(session).title
1122	except LookupError:
1123	session = _('void')
1124	creator = getUtility(IPDFCreator, name=orientation)
1125	style = getSampleStyleSheet()
1126	pdf_data = []
1127	pdf_data += [Paragraph(
1128	translate(_('<b>Lecturer(s): ${a}</b>',
1129	mapping = {'a':lecturers})), style["Normal"]),]
1130	pdf_data += [Paragraph(
1131	translate(_('<b>Credits: ${a}</b>',
1132	mapping = {'a':view.context.credits})), style["Normal"]),]
1133	# Not used in base package.
1134	if data[1]:
1135	pdf_data += [Paragraph(
1136	translate(_('<b>${a}</b>',
1137	mapping = {'a':data[1][0]})), style["Normal"]),]
1138	pdf_data += [Paragraph(
1139	translate(_('<b>${a}</b>',
1140	mapping = {'a':data[1][1]})), style["Normal"]),]
1141	pdf_data += [Paragraph(
1142	translate(_('<b>Total Students: ${a}</b>',
1143	mapping = {'a':data[1][2]})), style["Normal"]),]
1144	pdf_data += [Paragraph(
1145	translate(_('<b>Total Pass: ${a} (${b}%)</b>',
1146	mapping = {'a':data[1][3],'b':data[1][4]})), style["Normal"]),]
1147	pdf_data += [Paragraph(
1148	translate(_('<b>Total Fail: ${a} (${b}%)</b>',
1149	mapping = {'a':data[1][5],'b':data[1][6]})), style["Normal"]),]
1150	grade_stats = []
1151	for item in sorted(data[1][7].items()):
1152	grade_stats.append(('%s=%s' % (item[0], item[1])))
1153	grade_stats_string = ', '.join(grade_stats)
1154	pdf_data += [Paragraph(
1155	translate(_('<b>${a}</b>',
1156	mapping = {'a':grade_stats_string})), style["Normal"]),]
1157	pdf_data.append(Spacer(1, 20))
1158	colWidths = [None] * len(data[0][0])
1159	pdf_data += [Table(data[0], colWidths=colWidths, style=CONTENT_STYLE,
1160	repeatRows=1)]
1161	# Process title if too long
1162	title = " ".join(view.context.title.split())
1163	ct = textwrap.fill(title, title_length)
1164	ft = "" # title
1165	#if len(textwrap.wrap(title, title_length)) > 1:
1166	# ft = textwrap.wrap(title, title_length)[0] + ' ...'
1167	doc_title = translate(_('${a} (${b})\nAcademic Session ${d}',
1168	mapping = {'a':ct,
1169	'b':view.context.code,
1170	'd':session}))
1171	if name == 'attendance':
1172	doc_title += '\n' + translate(_('Attendance Sheet'))
1173	if name == 'coursetickets':
1174	doc_title += '\n' + translate(_('Course Tickets Overview'))
1175	#footer_title = translate(_('${a} (${b}) - ${d}',
1176	# mapping = {'a':ft,
1177	# 'b':view.context.code,
1178	# 'd':session}))
1179	footer_title = translate(_('${b} - ${d}',
1180	mapping = {'b':view.context.code,
1181	'd':session}))
1182	author = '%s (%s)' % (view.request.principal.title,
1183	view.request.principal.id)
1184	view.response.setHeader(
1185	'Content-Type', 'application/pdf')
1186	view.response.setHeader(
1187	'Content-Disposition:', 'attachment; filename="%s' % filename)
1188	pdf_stream = creator.create_pdf(
1189	pdf_data, None, doc_title, author, footer_title + ' -', note
1190	)
1191	return pdf_stream
1192
1193	def updateCourseTickets(self, course):
1194	"""Udate course tickets if course attributes were changed.
1195	"""
1196	current_academic_session = grok.getSite()[
1197	'configuration'].current_academic_session
1198	if not current_academic_session:
1199	return
1200	cat = queryUtility(ICatalog, name='coursetickets_catalog')
1201	coursetickets = cat.searchResults(
1202	code=(course.code, course.code),
1203	session=(current_academic_session,current_academic_session))
1204	number = 0
1205	ob_class = self.__implemented__.__name__.replace('waeup.kofa.', '')
1206	for ticket in coursetickets:
1207	if ticket.credits == course.credits:
1208	continue
1209	if ticket.student.current_session != current_academic_session:
1210	continue
1211	if ticket.student.state not in (PAID,):
1212	continue
1213	number += 1
1214	ticket.student.__parent__.logger.info(
1215	'%s - %s %s/%s credits updated (%s->%s)' % (
1216	ob_class, ticket.student.student_id,
1217	ticket.level, ticket.code, course.credits,
1218	ticket.credits))
1219	ticket.credits = course.credits
1220	return number
1221
1222	#: A dictionary which maps widget names to headlines. The headline
1223	#: is rendered in forms and on pdf slips above the respective
1224	#: display or input widget. There are no separating headlines
1225	#: in the base package.
1226	SEPARATORS_DICT = {}
1227
1228	#: A tuple containing names of file upload viewlets which are not shown
1229	#: on the `StudentClearanceManageFormPage`. Nothing is being skipped
1230	#: in the base package. This attribute makes only sense, if intermediate
1231	#: custom packages are being used, like we do for all Nigerian portals.
1232	SKIP_UPLOAD_VIEWLETS = ()
1233
1234	#: A tuple containing the names of registration states in which changing of
1235	#: passport pictures is allowed.
1236	PORTRAIT_CHANGE_STATES = (ADMITTED,)
1237
1238	#: A tuple containing all exporter names referring to students or
1239	#: subobjects thereof.
1240	STUDENT_EXPORTER_NAMES = (
1241	'students',
1242	'studentstudycourses',
1243	'studentstudylevels',
1244	'coursetickets',
1245	'studentpayments',
1246	'bedtickets',
1247	'trimmed',
1248	'outstandingcourses',
1249	'unpaidpayments',
1250	'sfpaymentsoverview',
1251	'sessionpaymentsoverview',
1252	'studylevelsoverview',
1253	'combocard',
1254	'bursary',
1255	'accommodationpayments',
1256	'transcriptdata',
1257	'trimmedpayments',
1258	)
1259
1260	#: A tuple containing all exporter names needed for backing
1261	#: up student data
1262	STUDENT_BACKUP_EXPORTER_NAMES = ('students', 'studentstudycourses',
1263	'studentstudylevels', 'coursetickets',
1264	'studentpayments', 'bedtickets')
1265
1266	# Maximum size of upload files in kB
1267	MAX_KB = 250
1268
1269	#: A prefix used when generating new student ids. Each student id will
1270	#: start with this string. The default is 'K' for Kofa.
1271	STUDENT_ID_PREFIX = u'K'

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