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source: main/waeup.kofa/trunk/src/waeup/kofa/students/utils.py @ 17176

Last change on this file since 17176 was 17176, checked in by Henrik Bettermann, 22 months ago
Allow students to book accommodation also if they are in previous sessions (not activated in base package).
Property svn:keywords set to `Id`
File size: 54.6 KB

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1	## $Id: utils.py 17176 2022-11-25 11:54:59Z 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	# Uniben wants a second picture. We add this picture here.
136	img2 = getUtility(IExtFileStore).getFileByContext(
137	studentview.context, attr='passport2.jpg')
138	if img2 is not None:
139	doc_img2 = Image(img2.name, width=4cm, height=4cm, kind='bound')
140	data_left.append([doc_img2])
141	#data.append([Spacer(1, 12)])
142
143	f_label = trans(_('Name:'), lang)
144	f_label = Paragraph(f_label, ENTRY1_STYLE)
145	f_text = formatted_text(studentview.context.display_fullname)
146	f_text = Paragraph(f_text, ENTRY1_STYLE)
147	data_middle.append([f_label,f_text])
148
149	for widget in studentview.widgets:
150	if 'name' in widget.name:
151	continue
152	f_label = translate(
153	widget.label.strip(), 'waeup.kofa',
154	target_language=lang)
155	f_label = Paragraph('%s:' % f_label, ENTRY1_STYLE)
156	f_text = formatted_text(widget(), lang=lang)
157	f_text = Paragraph(f_text, ENTRY1_STYLE)
158	data_middle.append([f_label,f_text])
159	if not 'date_of_birth' in omit_fields:
160	f_label = trans(_('Date of Birth:'), lang)
161	f_label = Paragraph(f_label, ENTRY1_STYLE)
162	date_of_birth = studentview.context.date_of_birth
163	tz = getUtility(IKofaUtils).tzinfo
164	date_of_birth = to_timezone(date_of_birth, tz)
165	if date_of_birth is not None:
166	date_of_birth = date_of_birth.strftime("%d/%m/%Y")
167	f_text = formatted_text(date_of_birth)
168	f_text = Paragraph(f_text, ENTRY1_STYLE)
169	data_middle.append([f_label,f_text])
170	if getattr(studentview.context, 'certcode', None):
171	if not 'certificate' in omit_fields:
172	f_label = trans(_('Study Course:'), lang)
173	f_label = Paragraph(f_label, ENTRY1_STYLE)
174	f_text = formatted_text(
175	studentview.context['studycourse'].certificate.longtitle)
176	f_text = Paragraph(f_text, ENTRY1_STYLE)
177	data_middle.append([f_label,f_text])
178	if not 'department' in omit_fields:
179	f_label = trans(_('Department:'), lang)
180	f_label = Paragraph(f_label, ENTRY1_STYLE)
181	f_text = formatted_text(
182	studentview.context[
183	'studycourse'].certificate.__parent__.__parent__.longtitle,
184	)
185	f_text = Paragraph(f_text, ENTRY1_STYLE)
186	data_middle.append([f_label,f_text])
187	if not 'faculty' in omit_fields:
188	f_label = trans(_('Faculty:'), lang)
189	f_label = Paragraph(f_label, ENTRY1_STYLE)
190	f_text = formatted_text(
191	studentview.context[
192	'studycourse'].certificate.__parent__.__parent__.__parent__.longtitle,
193	)
194	f_text = Paragraph(f_text, ENTRY1_STYLE)
195	data_middle.append([f_label,f_text])
196	if not 'current_mode' in omit_fields:
197	studymodes_dict = getUtility(IKofaUtils).STUDY_MODES_DICT
198	sm = studymodes_dict[studentview.context.current_mode]
199	f_label = trans(_('Study Mode:'), lang)
200	f_label = Paragraph(f_label, ENTRY1_STYLE)
201	f_text = formatted_text(sm)
202	f_text = Paragraph(f_text, ENTRY1_STYLE)
203	data_middle.append([f_label,f_text])
204	if not 'entry_session' in omit_fields:
205	f_label = trans(_('Entry Session:'), lang)
206	f_label = Paragraph(f_label, ENTRY1_STYLE)
207	entry_session = studentview.context.entry_session
208	try:
209	entry_session = academic_sessions_vocab.getTerm(
210	entry_session).title
211	except LookupError:
212	entry_session = _('void')
213	f_text = formatted_text(entry_session)
214	f_text = Paragraph(f_text, ENTRY1_STYLE)
215	data_middle.append([f_label,f_text])
216	# Requested by Uniben, does not really make sense
217	if not 'current_level' in omit_fields:
218	f_label = trans(_('Current Level:'), lang)
219	f_label = Paragraph(f_label, ENTRY1_STYLE)
220	current_level = studentview.context['studycourse'].current_level
221	studylevelsource = StudyLevelSource().factory
222	current_level = studylevelsource.getTitle(
223	studentview.context, current_level)
224	f_text = formatted_text(current_level)
225	f_text = Paragraph(f_text, ENTRY1_STYLE)
226	data_middle.append([f_label,f_text])
227
228	if no_passport:
229	table = Table(data_middle,style=SLIP_STYLE)
230	table.hAlign = 'LEFT'
231	return table
232
233	# append QR code to the right
234	if slipname:
235	url = studentview.url(context, slipname)
236	data_right = [[get_qrcode(url, width=70.0)]]
237	table_right = Table(data_right,style=SLIP_STYLE)
238	else:
239	table_right = None
240
241	table_left = Table(data_left,style=SLIP_STYLE)
242	table_middle = Table(data_middle,style=SLIP_STYLE, colWidths=[5cm, 5cm])
243	table = Table([[table_left, table_middle, table_right],],style=SLIP_STYLE)
244	return table
245
246	def render_table_data(tableheader, tabledata, lang='en'):
247	"""Render children table for an existing frame.
248	"""
249	data = []
250	#data.append([Spacer(1, 12)])
251	line = []
252	style = getSampleStyleSheet()
253	for element in tableheader:
254	field = '<strong>%s</strong>' % formatted_text(element[0], lang=lang)
255	field = Paragraph(field, style["Normal"])
256	line.append(field)
257	data.append(line)
258	for ticket in tabledata:
259	line = []
260	for element in tableheader:
261	field = formatted_text(getattr(ticket,element[1],u' '))
262	field = Paragraph(field, style["Normal"])
263	line.append(field)
264	data.append(line)
265	table = Table(data,colWidths=[
266	element[2]*cm for element in tableheader], style=CONTENT_STYLE)
267	return table
268
269	def render_transcript_data(view, tableheader, levels_data, lang='en'):
270	"""Render children table for an existing frame.
271	"""
272	data = []
273	style = getSampleStyleSheet()
274	format_float = getUtility(IKofaUtils).format_float
275	for level in levels_data:
276	level_obj = level['level']
277	tickets = level['tickets_1'] + level['tickets_2'] + level['tickets_3']
278	if not tickets:
279	continue
280	headerline = []
281	tabledata = []
282	if 'evel' in view.level_dict.get('ticket.level', str(level_obj.level)):
283	subheader = '%s %s, %s' % (
284	trans(_('Session'), lang),
285	view.session_dict[level_obj.level_session],
286	view.level_dict.get('ticket.level', str(level_obj.level)))
287	else:
288	subheader = '%s %s, %s %s' % (
289	trans(_('Session'), lang),
290	view.session_dict[level_obj.level_session],
291	trans(_('Level'), lang),
292	view.level_dict.get(level_obj.level, str(level_obj.level)))
293	data.append(Paragraph(subheader, HEADING_STYLE))
294	for element in tableheader:
295	field = '<strong>%s</strong>' % formatted_text(element[0])
296	field = Paragraph(field, style["Normal"])
297	headerline.append(field)
298	tabledata.append(headerline)
299	for ticket in tickets:
300	ticketline = []
301	for element in tableheader:
302	field = formatted_text(getattr(ticket,element[1],u' '))
303	field = Paragraph(field, style["Normal"])
304	ticketline.append(field)
305	tabledata.append(ticketline)
306	table = Table(tabledata,colWidths=[
307	element[2]*cm for element in tableheader], style=CONTENT_STYLE)
308	data.append(table)
309	sgpa = format_float(level['sgpa'], 2)
310	sgpa = '%s: %s' % (trans('Sessional GPA (rectified)', lang), sgpa)
311	#sgpa = '%s: %.2f' % (trans('Sessional GPA (rectified)', lang), level['sgpa'])
312	data.append(Paragraph(sgpa, style["Normal"]))
313	if getattr(level_obj, 'transcript_remark', None):
314	remark = '%s: %s' % (
315	trans('Transcript Remark', lang),
316	getattr(level_obj, 'transcript_remark'))
317	data.append(Paragraph(remark, style["Normal"]))
318	return data
319
320	def docs_as_flowables(view, lang='en'):
321	"""Create reportlab flowables out of scanned docs.
322	"""
323	# XXX: fix circular import problem
324	from waeup.kofa.browser.fileviewlets import FileManager
325	from waeup.kofa.browser import DEFAULT_IMAGE_PATH
326	style = getSampleStyleSheet()
327	data = []
328
329	# Collect viewlets
330	fm = FileManager(view.context, view.request, view)
331	fm.update()
332	if fm.viewlets:
333	sc_translation = trans(_('Scanned Documents'), lang)
334	data.append(Paragraph(sc_translation, HEADING_STYLE))
335	# Insert list of scanned documents
336	table_data = []
337	for viewlet in fm.viewlets:
338	if viewlet.file_exists:
339	# Show viewlet only if file exists
340	f_label = Paragraph(trans(viewlet.label, lang), ENTRY1_STYLE)
341	img_path = getattr(getUtility(IExtFileStore).getFileByContext(
342	view.context, attr=viewlet.download_name), 'name', None)
343	#f_text = Paragraph(trans(_('(not provided)'),lang), ENTRY1_STYLE)
344	if img_path is None:
345	pass
346	elif not img_path[-4:] in ('.jpg', '.JPG'):
347	# reportlab requires jpg images, I think.
348	f_text = Paragraph('%s (not displayable)' % (
349	viewlet.title,), ENTRY1_STYLE)
350	else:
351	f_text = Image(img_path, width=2cm, height=1cm, kind='bound')
352	table_data.append([f_label, f_text])
353	if table_data:
354	# safety belt; empty tables lead to problems.
355	data.append(Table(table_data, style=SLIP_STYLE))
356	return data
357
358	class StudentsUtils(grok.GlobalUtility):
359	"""A collection of methods subject to customization.
360	"""
361	grok.implements(IStudentsUtils)
362
363	def getReturningData(self, student):
364	""" Define what happens after school fee payment
365	depending on the student's senate verdict.
366	In the base configuration current level is always increased
367	by 100 no matter which verdict has been assigned.
368	"""
369	new_level = student['studycourse'].current_level + 100
370	new_session = student['studycourse'].current_session + 1
371	return new_session, new_level
372
373	def setReturningData(self, student):
374	""" Define what happens after school fee payment
375	depending on the student's senate verdict.
376	This method follows the same algorithm as `getReturningData` but
377	it also sets the new values.
378	"""
379	new_session, new_level = self.getReturningData(student)
380	try:
381	student['studycourse'].current_level = new_level
382	except ConstraintNotSatisfied:
383	# Do not change level if level exceeds the
384	# certificate's end_level.
385	pass
386	student['studycourse'].current_session = new_session
387	verdict = student['studycourse'].current_verdict
388	student['studycourse'].current_verdict = '0'
389	student['studycourse'].previous_verdict = verdict
390	return
391
392	def _getSessionConfiguration(self, session):
393	try:
394	return grok.getSite()['configuration'][str(session)]
395	except KeyError:
396	return None
397
398	def _isPaymentDisabled(self, p_session, category, student):
399	academic_session = self._getSessionConfiguration(p_session)
400	if category == 'schoolfee' and \
401	'sf_all' in academic_session.payment_disabled:
402	return True
403	return False
404
405	def samePaymentMade(self, student, category, p_item, p_session):
406	for key in student['payments'].keys():
407	ticket = student['payments'][key]
408	if ticket.p_state == 'paid' and\
409	ticket.p_category == category and \
410	ticket.p_item != 'Balance' and \
411	ticket.p_item == p_item and \
412	ticket.p_session == p_session:
413	return True
414	return False
415
416	def setPaymentDetails(self, category, student,
417	previous_session=None, previous_level=None, combi=[]):
418	"""Create a payment ticket and set the payment data of a
419	student for the payment category specified.
420	"""
421	p_item = u''
422	amount = 0.0
423	if previous_session:
424	if previous_session < student['studycourse'].entry_session:
425	return _('The previous session must not fall below '
426	'your entry session.'), None
427	if category == 'schoolfee':
428	# School fee is always paid for the following session
429	if previous_session > student['studycourse'].current_session:
430	return _('This is not a previous session.'), None
431	else:
432	if previous_session > student['studycourse'].current_session - 1:
433	return _('This is not a previous session.'), None
434	p_session = previous_session
435	p_level = previous_level
436	p_current = False
437	else:
438	p_session = student['studycourse'].current_session
439	p_level = student['studycourse'].current_level
440	p_current = True
441	academic_session = self._getSessionConfiguration(p_session)
442	if academic_session == None:
443	return _(u'Session configuration object is not available.'), None
444	# Determine fee.
445	if category == 'schoolfee':
446	try:
447	certificate = student['studycourse'].certificate
448	p_item = certificate.code
449	except (AttributeError, TypeError):
450	return _('Study course data are incomplete.'), None
451	if previous_session:
452	# Students can pay for previous sessions in all
453	# workflow states. Fresh students are excluded by the
454	# update method of the PreviousPaymentAddFormPage.
455	if previous_level == 100:
456	amount = getattr(certificate, 'school_fee_1', 0.0)
457	else:
458	amount = getattr(certificate, 'school_fee_2', 0.0)
459	else:
460	if student.state == CLEARED:
461	amount = getattr(certificate, 'school_fee_1', 0.0)
462	elif student.state == RETURNING:
463	# In case of returning school fee payment the
464	# payment session and level contain the values of
465	# the session the student has paid for. Payment
466	# session is always next session.
467	p_session, p_level = self.getReturningData(student)
468	academic_session = self._getSessionConfiguration(p_session)
469	if academic_session == None:
470	return _(
471	u'Session configuration object is not available.'
472	), None
473	amount = getattr(certificate, 'school_fee_2', 0.0)
474	elif student.is_postgrad and student.state == PAID:
475	# Returning postgraduate students also pay for the
476	# next session but their level always remains the
477	# same.
478	p_session += 1
479	academic_session = self._getSessionConfiguration(p_session)
480	if academic_session == None:
481	return _(
482	u'Session configuration object is not available.'
483	), None
484	amount = getattr(certificate, 'school_fee_2', 0.0)
485	elif category == 'clearance':
486	try:
487	p_item = student['studycourse'].certificate.code
488	except (AttributeError, TypeError):
489	return _('Study course data are incomplete.'), None
490	amount = academic_session.clearance_fee
491	elif category == 'bed_allocation':
492	p_item = self.getAccommodationDetails(student)['bt']
493	amount = academic_session.booking_fee
494	elif category == 'hostel_maintenance':
495	amount = 0.0
496	bedticket = student['accommodation'].get(
497	str(student.current_session), None)
498	if bedticket is not None and bedticket.bed is not None:
499	p_item = bedticket.bed_coordinates
500	if bedticket.bed.__parent__.maint_fee > 0:
501	amount = bedticket.bed.__parent__.maint_fee
502	else:
503	# fallback
504	amount = academic_session.maint_fee
505	else:
506	return _(u'No bed allocated.'), None
507	elif category == 'combi' and combi:
508	categories = getUtility(IKofaUtils).COMBI_PAYMENT_CATEGORIES
509	for cat in combi:
510	fee_name = cat + '_fee'
511	cat_amount = getattr(academic_session, fee_name, 0.0)
512	if not cat_amount:
513	return _('%s undefined.' % categories[cat]), None
514	amount += cat_amount
515	p_item += u'%s + ' % categories[cat]
516	p_item = p_item.strip(' + ')
517	else:
518	fee_name = category + '_fee'
519	amount = getattr(academic_session, fee_name, 0.0)
520	if amount in (0.0, None):
521	return _('Amount could not be determined.'), None
522	if self.samePaymentMade(student, category, p_item, p_session):
523	return _('This type of payment has already been made.'), None
524	if self._isPaymentDisabled(p_session, category, student):
525	return _('This category of payments has been disabled.'), None
526	payment = createObject(u'waeup.StudentOnlinePayment')
527	timestamp = ("%d" % int(time()*10000))[1:]
528	payment.p_id = "p%s" % timestamp
529	payment.p_category = category
530	payment.p_item = p_item
531	payment.p_session = p_session
532	payment.p_level = p_level
533	payment.p_current = p_current
534	payment.amount_auth = amount
535	payment.p_combi = combi
536	return None, payment
537
538	def setBalanceDetails(self, category, student,
539	balance_session, balance_level, balance_amount):
540	"""Create a balance payment ticket and set the payment data
541	as selected by the student.
542	"""
543	p_item = u'Balance'
544	p_session = balance_session
545	p_level = balance_level
546	p_current = False
547	amount = balance_amount
548	academic_session = self._getSessionConfiguration(p_session)
549	if academic_session == None:
550	return _(u'Session configuration object is not available.'), None
551	if amount in (0.0, None) or amount < 0:
552	return _('Amount must be greater than 0.'), None
553	payment = createObject(u'waeup.StudentOnlinePayment')
554	timestamp = ("%d" % int(time()*10000))[1:]
555	payment.p_id = "p%s" % timestamp
556	payment.p_category = category
557	payment.p_item = p_item
558	payment.p_session = p_session
559	payment.p_level = p_level
560	payment.p_current = p_current
561	payment.amount_auth = amount
562	return None, payment
563
564	def increaseMatricInteger(self, student):
565	"""Increase counter for matric numbers.
566	This counter can be a centrally stored attribute or an attribute of
567	faculties, departments or certificates. In the base package the counter
568	is as an attribute of the site configuration container.
569	"""
570	grok.getSite()['configuration'].next_matric_integer += 1
571	return
572
573	def constructMatricNumber(self, student):
574	"""Fetch the matric number counter which fits the student and
575	construct the new matric number of the student.
576	In the base package the counter is returned which is as an attribute
577	of the site configuration container.
578	"""
579	next_integer = grok.getSite()['configuration'].next_matric_integer
580	if next_integer == 0:
581	return _('Matriculation number cannot be set.'), None
582	return None, unicode(next_integer)
583
584	def setMatricNumber(self, student):
585	"""Set matriculation number of student. If the student's matric number
586	is unset a new matric number is
587	constructed according to the matriculation number construction rules
588	defined in the `constructMatricNumber` method. The new matric number is
589	set, the students catalog updated. The corresponding matric number
590	counter is increased by one.
591
592	This method is tested but not used in the base package. It can
593	be used in custom packages by adding respective views
594	and by customizing `increaseMatricInteger` and `constructMatricNumber`
595	according to the university's matriculation number construction rules.
596
597	The method can be disabled by setting the counter to zero.
598	"""
599	if student.matric_number is not None:
600	return _('Matriculation number already set.'), None
601	if student.certcode is None:
602	return _('No certificate assigned.'), None
603	error, matric_number = self.constructMatricNumber(student)
604	if error:
605	return error, None
606	try:
607	student.matric_number = matric_number
608	except MatNumNotInSource:
609	return _('Matriculation number %s exists.' % matric_number), None
610	notify(grok.ObjectModifiedEvent(student))
611	self.increaseMatricInteger(student)
612	return None, matric_number
613
614	def allowPortraitChange(self, student):
615	"""Check if student is allowed to change the portrait file.
616	"""
617	if student.state not in self.PORTRAIT_CHANGE_STATES:
618	return False
619	return True
620
621	def getAccommodationDetails(self, student):
622	"""Determine the accommodation data of a student.
623	"""
624	d = {}
625	d['error'] = u''
626	hostels = grok.getSite()['hostels']
627	d['booking_session'] = hostels.accommodation_session
628	d['allowed_states'] = hostels.accommodation_states
629	d['startdate'] = hostels.startdate
630	d['enddate'] = hostels.enddate
631	d['expired'] = hostels.expired
632	# Determine bed type
633	studycourse = student['studycourse']
634	certificate = getattr(studycourse,'certificate',None)
635	entry_session = studycourse.entry_session
636	current_level = studycourse.current_level
637	if None in (entry_session, current_level, certificate):
638	return d
639	end_level = certificate.end_level
640	if current_level == 10:
641	bt = 'pr'
642	elif entry_session == grok.getSite()['hostels'].accommodation_session:
643	bt = 'fr'
644	elif current_level >= end_level:
645	bt = 'fi'
646	else:
647	bt = 're'
648	if student.sex == 'f':
649	sex = 'female'
650	else:
651	sex = 'male'
652	special_handling = 'regular'
653	d['bt'] = u'%s_%s_%s' % (special_handling,sex,bt)
654	return d
655
656	ACCOMMODATION_SPAN = 0
657
658	def checkAccommodationRequirements(self, student, acc_details):
659	if acc_details.get('expired', False):
660	startdate = acc_details.get('startdate')
661	enddate = acc_details.get('enddate')
662	if startdate and enddate:
663	tz = getUtility(IKofaUtils).tzinfo
664	startdate = to_timezone(
665	startdate, tz).strftime("%d/%m/%Y %H:%M:%S")
666	enddate = to_timezone(
667	enddate, tz).strftime("%d/%m/%Y %H:%M:%S")
668	return _("Outside booking period: ${a} - ${b}",
669	mapping = {'a': startdate, 'b': enddate})
670	else:
671	return _("Outside booking period.")
672	if not acc_details.get('bt'):
673	return _("Your data are incomplete.")
674	if not student.state in acc_details['allowed_states']:
675	return _("You are in the wrong registration state.")
676	if acc_details['booking_session'] - student[
677	'studycourse'].current_session > self.ACCOMMODATION_SPAN:
678	return _('Your current session does not allow ' + \
679	'to book accommodation.')
680	bsession = str(acc_details['booking_session'])
681	if bsession in student['accommodation'].keys() \
682	and not 'booking expired' in \
683	student['accommodation'][bsession].bed_coordinates:
684	return _('You already booked a bed space in '
685	'current accommodation session.')
686	return
687
688	def selectBed(self, available_beds):
689	"""Select a bed from a filtered list of available beds.
690	In the base configuration beds are sorted by the sort id
691	of the hostel and the bed number. The first bed found in
692	this sorted list is taken.
693	"""
694	sorted_beds = sorted(available_beds,
695	key=lambda bed: 1000 * bed.__parent__.sort_id + bed.bed_number)
696	return sorted_beds[0]
697
698	def GPABoundaries(self, faccode=None, depcode=None, certcode=None):
699	return ((1, 'Fail'),
700	(1.5, 'Pass'),
701	(2.4, '3rd Class'),
702	(3.5, '2nd Class Lower'),
703	(4.5, '2nd Class Upper'),
704	(5, '1st Class'))
705
706	def getClassFromCGPA(self, gpa, student):
707	"""Determine the class of degree. In some custom packages
708	this class depends on e.g. the entry session of the student. In the
709	base package, it does not.
710	"""
711	if gpa < self.GPABoundaries()[0][0]:
712	return 0, self.GPABoundaries()[0][1]
713	if gpa < self.GPABoundaries()[1][0]:
714	return 1, self.GPABoundaries()[1][1]
715	if gpa < self.GPABoundaries()[2][0]:
716	return 2, self.GPABoundaries()[2][1]
717	if gpa < self.GPABoundaries()[3][0]:
718	return 3, self.GPABoundaries()[3][1]
719	if gpa < self.GPABoundaries()[4][0]:
720	return 4, self.GPABoundaries()[4][1]
721	if gpa <= self.GPABoundaries()[5][0]:
722	return 5, self.GPABoundaries()[5][1]
723	return
724
725	def getDegreeClassNumber(self, level_obj):
726	"""Get degree class number (used for SessionResultsPresentation
727	reports).
728	"""
729	if level_obj.gpa_params[1] == 0:
730	# No credits weighted
731	return 6
732	return self.getClassFromCGPA(
733	level_obj.cumulative_params[0], level_obj.student)[0]
734
735	def _saveTranscriptPDF(self, student, transcript):
736	"""Create a transcript PDF file and store it in student folder.
737	"""
738	file_store = getUtility(IExtFileStore)
739	file_id = IFileStoreNameChooser(student).chooseName(
740	attr="final_transcript.pdf")
741	file_store.createFile(file_id, StringIO(transcript))
742	return
743
744	def warnCreditsOOR(self, studylevel, course=None):
745	"""Return message if credits are out of range. In the base
746	package only maximum credits is set.
747	"""
748	if course and studylevel.total_credits + course.credits > 50:
749	return _('Maximum credits exceeded.')
750	elif studylevel.total_credits > 50:
751	return _('Maximum credits exceeded.')
752	return
753
754	def warnCourseAlreadyPassed(self, studylevel, course):
755	"""Return message if course has already been passed at
756	previous levels.
757	"""
758	for slevel in studylevel.__parent__.values():
759	for cticket in slevel.values():
760	if cticket.code == course.code \
761	and cticket.total_score >= cticket.passmark:
762	return _('Course has already been passed at previous level.')
763	return False
764
765	def getBedCoordinates(self, bedticket):
766	"""Return descriptive bed coordinates.
767	This method can be used to customize the `display_coordinates`
768	property method in order to display a
769	customary description of the bed space.
770	"""
771	return bedticket.bed_coordinates
772
773	def clearance_disabled_message(self, student):
774	"""Render message if clearance is disabled.
775	"""
776	try:
777	session_config = grok.getSite()[
778	'configuration'][str(student.current_session)]
779	except KeyError:
780	return _('Session configuration object is not available.')
781	if not session_config.clearance_enabled:
782	return _('Clearance is disabled for this session.')
783	return None
784
785	def getPDFCreator(self, context):
786	"""Get a pdf creator suitable for `context`.
787	The default implementation always returns the default creator.
788	"""
789	return getUtility(IPDFCreator)
790
791	def _mergeFiles(self, mergefiles, watermark, pdf_stream):
792	merger = PdfFileMerger()
793	merger.append(StringIO(pdf_stream))
794	for file in mergefiles:
795	if watermark:
796	# Pass through all pages of each file
797	# and merge with watermark page. Paint
798	# watermark first to make it transparent.
799	marked_file = PdfFileWriter()
800	orig_file = PdfFileReader(file)
801	num_pages = orig_file.getNumPages()
802	for num in range(num_pages):
803	watermark_file = PdfFileReader(watermark)
804	page = watermark_file.getPage(0)
805	page.mergePage(orig_file.getPage(num))
806	marked_file.addPage(page)
807	# Save into a file-like object
808	tmp1 = StringIO()
809	marked_file.write(tmp1)
810	# Append the file-like object
811	merger.append(tmp1)
812	else:
813	# Just append the file object
814	merger.append(file)
815	# Save into a file-like object
816	tmp2 = StringIO()
817	merger.write(tmp2)
818	return tmp2.getvalue()
819
820	def renderPDF(self, view, filename='slip.pdf', student=None,
821	studentview=None,
822	tableheader=[], tabledata=[],
823	note=None, signatures=None, sigs_in_footer=(),
824	show_scans=True, topMargin=1.5,
825	omit_fields=(),
826	mergefiles=None, watermark=None,
827	pagebreak=False):
828	"""Render pdf slips for various pages (also some pages
829	in the applicants module).
830	"""
831	portal_language = getUtility(IKofaUtils).PORTAL_LANGUAGE
832	# XXX: tell what the different parameters mean
833	style = getSampleStyleSheet()
834	creator = self.getPDFCreator(student)
835	data = []
836	doc_title = view.label
837	author = '%s (%s)' % (view.request.principal.title,
838	view.request.principal.id)
839	footer_text = view.label.split('\n')
840	if len(footer_text) > 2:
841	# We can add a department in first line, second line is used
842	footer_text = footer_text[1]
843	else:
844	# Only the first line is used for the footer
845	footer_text = footer_text[0]
846	if getattr(student, 'student_id', None) is not None:
847	footer_text = "%s - %s - " % (student.student_id, footer_text)
848
849	# Insert student data table
850	if student is not None:
851	if view.form_fields:
852	bd_translation = trans(_('Base Data'), portal_language)
853	data.append(Paragraph(bd_translation, HEADING_STYLE))
854	data.append(render_student_data(
855	studentview, view.context, omit_fields, lang=portal_language,
856	slipname=filename))
857
858	# Insert widgets
859	if view.form_fields:
860	data.append(Paragraph(view.title, HEADING_STYLE))
861	separators = getattr(self, 'SEPARATORS_DICT', {})
862	table = creator.getWidgetsTable(
863	view.form_fields, view.context, None, lang=portal_language,
864	separators=separators)
865	data.append(table)
866
867	# Insert scanned docs
868	if show_scans:
869	data.extend(docs_as_flowables(view, portal_language))
870
871	# Insert history
872	if filename == 'clearance_slip.pdf':
873	hist_translation = trans(_('Workflow History'), portal_language)
874	data.append(Paragraph(hist_translation, HEADING_STYLE))
875	data.extend(creator.fromStringList(student.history.messages))
876
877	# Insert content tables (optionally on second page)
878	if hasattr(view, 'tabletitle'):
879	for i in range(len(view.tabletitle)):
880	if tabledata[i] and tableheader[i]:
881	tabletitle = view.tabletitle[i]
882	if tabletitle.startswith('_PB_'):
883	data.append(PageBreak())
884	tabletitle = view.tabletitle[i].strip('_PB_')
885	#data.append(Spacer(1, 20))
886	data.append(Paragraph(tabletitle, HEADING_STYLE))
887	data.append(Spacer(1, 8))
888	contenttable = render_table_data(tableheader[i],tabledata[i])
889	data.append(contenttable)
890
891	# Insert signatures
892	# XXX: We are using only sigs_in_footer in waeup.kofa, so we
893	# do not have a test for the following lines.
894	if signatures and not sigs_in_footer:
895	# Insert page break if necessary, else some space
896	if pagebreak:
897	data.append(PageBreak())
898	else:
899	data.append(Spacer(1, 20))
900	# Render one signature table per signature to
901	# get date and signature in line.
902	for signature in signatures:
903	signaturetables = get_signature_tables(signature)
904	data.append(signaturetables[0])
905
906	view.response.setHeader(
907	'Content-Type', 'application/pdf')
908	try:
909	pdf_stream = creator.create_pdf(
910	data, None, doc_title, author=author, footer=footer_text,
911	note=note, sigs_in_footer=sigs_in_footer, topMargin=topMargin)
912	except IOError:
913	view.flash('Error in image file.')
914	return view.redirect(view.url(view.context))
915	except LayoutError, err:
916	view.flash(
917	'PDF file could not be created. Reportlab error message: %s'
918	% escape(err.message),
919	type="danger")
920	return view.redirect(view.url(view.context))
921	if mergefiles:
922	return self._mergeFiles(mergefiles, watermark, pdf_stream)
923	return pdf_stream
924
925	def _admissionText(self, student, portal_language):
926	inst_name = grok.getSite()['configuration'].name
927	text = trans(_(
928	'This is to inform you that you have been provisionally'
929	' admitted into ${a} as follows:', mapping = {'a': inst_name}),
930	portal_language)
931	return text
932
933	def renderPDFAdmissionLetter(self, view, student=None, omit_fields=(),
934	pre_text=None, post_text=None,
935	topMargin = 1.5,
936	letterhead_path=None,
937	mergefiles=None, watermark=None):
938	"""Render pdf admission letter.
939	"""
940	if student is None:
941	return
942	style = getSampleStyleSheet()
943	if letterhead_path:
944	creator = getUtility(IPDFCreator, name='letter')
945	else:
946	creator = self.getPDFCreator(student)
947	portal_language = getUtility(IKofaUtils).PORTAL_LANGUAGE
948	data = []
949	doc_title = view.label
950	author = '%s (%s)' % (view.request.principal.title,
951	view.request.principal.id)
952	footer_text = view.label.split('\n')
953	if len(footer_text) > 2:
954	# We can add a department in first line
955	footer_text = footer_text[1]
956	else:
957	# Only the first line is used for the footer
958	footer_text = footer_text[0]
959	if getattr(student, 'student_id', None) is not None:
960	footer_text = "%s - %s - " % (student.student_id, footer_text)
961
962	# Text before student data
963	if pre_text is None:
964	html = format_html(self._admissionText(student, portal_language))
965	else:
966	html = format_html(pre_text)
967	if html:
968	data.append(Paragraph(html, NOTE_STYLE))
969	data.append(Spacer(1, 20))
970
971	# Student data
972	data.append(render_student_data(view, student,
973	omit_fields, lang=portal_language,
974	slipname='admission_slip.pdf'))
975
976	# Text after student data
977	data.append(Spacer(1, 20))
978	if post_text is None:
979	datelist = student.history.messages[0].split()[0].split('-')
980	creation_date = u'%s/%s/%s' % (datelist[2], datelist[1], datelist[0])
981	post_text = trans(_(
982	'Your Kofa student record was created on ${a}.',
983	mapping = {'a': creation_date}),
984	portal_language)
985	#html = format_html(post_text)
986	#data.append(Paragraph(html, NOTE_STYLE))
987
988	# Create pdf stream
989	view.response.setHeader(
990	'Content-Type', 'application/pdf')
991	pdf_stream = creator.create_pdf(
992	data, None, doc_title, author=author, footer=footer_text,
993	note=post_text, topMargin=topMargin,
994	letterhead_path=letterhead_path)
995	if mergefiles:
996	return self._mergeFiles(mergefiles, watermark, pdf_stream)
997	return pdf_stream
998
999	def renderPDFTranscript(self, view, filename='transcript.pdf',
1000	student=None,
1001	studentview=None,
1002	note=None,
1003	signatures=(),
1004	sigs_in_footer=(),
1005	digital_sigs=(),
1006	show_scans=True, topMargin=1.5,
1007	omit_fields=(),
1008	tableheader=None,
1009	no_passport=False,
1010	save_file=False):
1011	"""Render pdf slip of a transcripts.
1012	"""
1013	portal_language = getUtility(IKofaUtils).PORTAL_LANGUAGE
1014	# XXX: tell what the different parameters mean
1015	style = getSampleStyleSheet()
1016	creator = self.getPDFCreator(student)
1017	data = []
1018	doc_title = view.label
1019	author = '%s (%s)' % (view.request.principal.title,
1020	view.request.principal.id)
1021	footer_text = view.label.split('\n')
1022	if len(footer_text) > 2:
1023	# We can add a department in first line
1024	footer_text = footer_text[1]
1025	else:
1026	# Only the first line is used for the footer
1027	footer_text = footer_text[0]
1028	if getattr(student, 'student_id', None) is not None:
1029	footer_text = "%s - %s - " % (student.student_id, footer_text)
1030
1031	# Insert student data table
1032	if student is not None:
1033	#bd_translation = trans(_('Base Data'), portal_language)
1034	#data.append(Paragraph(bd_translation, HEADING_STYLE))
1035	data.append(render_student_data(
1036	studentview, view.context,
1037	omit_fields, lang=portal_language,
1038	slipname=filename,
1039	no_passport=no_passport))
1040
1041	transcript_data = view.context.getTranscriptData()
1042	levels_data = transcript_data[0]
1043
1044	contextdata = []
1045	f_label = trans(_('Course of Study:'), portal_language)
1046	f_label = Paragraph(f_label, ENTRY1_STYLE)
1047	f_text = formatted_text(view.context.certificate.longtitle)
1048	f_text = Paragraph(f_text, ENTRY1_STYLE)
1049	contextdata.append([f_label,f_text])
1050
1051	f_label = trans(_('Faculty:'), portal_language)
1052	f_label = Paragraph(f_label, ENTRY1_STYLE)
1053	f_text = formatted_text(
1054	view.context.certificate.__parent__.__parent__.__parent__.longtitle)
1055	f_text = Paragraph(f_text, ENTRY1_STYLE)
1056	contextdata.append([f_label,f_text])
1057
1058	f_label = trans(_('Department:'), portal_language)
1059	f_label = Paragraph(f_label, ENTRY1_STYLE)
1060	f_text = formatted_text(
1061	view.context.certificate.__parent__.__parent__.longtitle)
1062	f_text = Paragraph(f_text, ENTRY1_STYLE)
1063	contextdata.append([f_label,f_text])
1064
1065	f_label = trans(_('Entry Session:'), portal_language)
1066	f_label = Paragraph(f_label, ENTRY1_STYLE)
1067	f_text = formatted_text(
1068	view.session_dict.get(view.context.entry_session))
1069	f_text = Paragraph(f_text, ENTRY1_STYLE)
1070	contextdata.append([f_label,f_text])
1071
1072	f_label = trans(_('Entry Mode:'), portal_language)
1073	f_label = Paragraph(f_label, ENTRY1_STYLE)
1074	f_text = formatted_text(view.studymode_dict.get(
1075	view.context.entry_mode))
1076	f_text = Paragraph(f_text, ENTRY1_STYLE)
1077	contextdata.append([f_label,f_text])
1078
1079	f_label = trans(_('Cumulative GPA:'), portal_language)
1080	f_label = Paragraph(f_label, ENTRY1_STYLE)
1081	format_float = getUtility(IKofaUtils).format_float
1082	cgpa = format_float(transcript_data[1], 3)
1083	if student.state == GRADUATED:
1084	f_text = formatted_text('%s (%s)' % (
1085	cgpa, self.getClassFromCGPA(transcript_data[1], student)[1]))
1086	else:
1087	f_text = formatted_text('%s' % cgpa)
1088	f_text = Paragraph(f_text, ENTRY1_STYLE)
1089	contextdata.append([f_label,f_text])
1090
1091	contexttable = Table(contextdata,style=SLIP_STYLE)
1092	data.append(contexttable)
1093
1094	transcripttables = render_transcript_data(
1095	view, tableheader, levels_data, lang=portal_language)
1096	data.extend(transcripttables)
1097
1098	# Insert signatures
1099	# XXX: We are using only sigs_in_footer in waeup.kofa, so we
1100	# do not have a test for the following lines.
1101	if signatures and not sigs_in_footer:
1102	data.append(Spacer(1, 20))
1103	# Render one signature table per signature to
1104	# get date and signature in line.
1105	for signature in signatures:
1106	signaturetables = get_signature_tables(signature)
1107	data.append(signaturetables[0])
1108
1109	# Insert digital signatures
1110	if digital_sigs:
1111	data.append(Spacer(1, 20))
1112	sigs = digital_sigs.split('\n')
1113	for sig in sigs:
1114	data.append(Paragraph(sig, NOTE_STYLE))
1115
1116	view.response.setHeader(
1117	'Content-Type', 'application/pdf')
1118	try:
1119	pdf_stream = creator.create_pdf(
1120	data, None, doc_title, author=author, footer=footer_text,
1121	note=note, sigs_in_footer=sigs_in_footer, topMargin=topMargin,
1122	view=view)
1123	except IOError:
1124	view.flash(_('Error in image file.'))
1125	return view.redirect(view.url(view.context))
1126	if save_file:
1127	self._saveTranscriptPDF(student, pdf_stream)
1128	return
1129	return pdf_stream
1130
1131	def renderPDFCourseticketsOverview(
1132	self, view, name, session, data, lecturers, orientation,
1133	title_length, note):
1134	"""Render pdf slip of course tickets for a lecturer.
1135	"""
1136	filename = '%s_%s_%s_%s.pdf' % (
1137	name, view.context.code, session, view.request.principal.id)
1138	try:
1139	session = academic_sessions_vocab.getTerm(session).title
1140	except LookupError:
1141	session = _('void')
1142	creator = getUtility(IPDFCreator, name=orientation)
1143	style = getSampleStyleSheet()
1144	pdf_data = []
1145	pdf_data += [Paragraph(
1146	translate(_('<b>Lecturer(s): ${a}</b>',
1147	mapping = {'a':lecturers})), style["Normal"]),]
1148	pdf_data += [Paragraph(
1149	translate(_('<b>Credits: ${a}</b>',
1150	mapping = {'a':view.context.credits})), style["Normal"]),]
1151	# Not used in base package.
1152	if data[1]:
1153	pdf_data += [Paragraph(
1154	translate(_('<b>${a}</b>',
1155	mapping = {'a':data[1][0]})), style["Normal"]),]
1156	pdf_data += [Paragraph(
1157	translate(_('<b>${a}</b>',
1158	mapping = {'a':data[1][1]})), style["Normal"]),]
1159	pdf_data += [Paragraph(
1160	translate(_('<b>Total Students: ${a}</b>',
1161	mapping = {'a':data[1][2]})), style["Normal"]),]
1162	pdf_data += [Paragraph(
1163	translate(_('<b>Total Pass: ${a} (${b}%)</b>',
1164	mapping = {'a':data[1][3],'b':data[1][4]})), style["Normal"]),]
1165	pdf_data += [Paragraph(
1166	translate(_('<b>Total Fail: ${a} (${b}%)</b>',
1167	mapping = {'a':data[1][5],'b':data[1][6]})), style["Normal"]),]
1168	grade_stats = []
1169	for item in sorted(data[1][7].items()):
1170	grade_stats.append(('%s=%s' % (item[0], item[1])))
1171	grade_stats_string = ', '.join(grade_stats)
1172	pdf_data += [Paragraph(
1173	translate(_('<b>${a}</b>',
1174	mapping = {'a':grade_stats_string})), style["Normal"]),]
1175	pdf_data.append(Spacer(1, 20))
1176	colWidths = [None] * len(data[0][0])
1177	pdf_data += [Table(data[0], colWidths=colWidths, style=CONTENT_STYLE,
1178	repeatRows=1)]
1179	# Process title if too long
1180	title = " ".join(view.context.title.split())
1181	ct = textwrap.fill(title, title_length)
1182	ft = "" # title
1183	#if len(textwrap.wrap(title, title_length)) > 1:
1184	# ft = textwrap.wrap(title, title_length)[0] + ' ...'
1185	doc_title = translate(_('${a} (${b})\nAcademic Session ${d}',
1186	mapping = {'a':ct,
1187	'b':view.context.code,
1188	'd':session}))
1189	if name == 'attendance':
1190	doc_title += '\n' + translate(_('Attendance Sheet'))
1191	if name == 'coursetickets':
1192	doc_title += '\n' + translate(_('Course Tickets Overview'))
1193	#footer_title = translate(_('${a} (${b}) - ${d}',
1194	# mapping = {'a':ft,
1195	# 'b':view.context.code,
1196	# 'd':session}))
1197	footer_title = translate(_('${b} - ${d}',
1198	mapping = {'b':view.context.code,
1199	'd':session}))
1200	author = '%s (%s)' % (view.request.principal.title,
1201	view.request.principal.id)
1202	view.response.setHeader(
1203	'Content-Type', 'application/pdf')
1204	view.response.setHeader(
1205	'Content-Disposition:', 'attachment; filename="%s' % filename)
1206	pdf_stream = creator.create_pdf(
1207	pdf_data, None, doc_title, author, footer_title + ' -', note
1208	)
1209	return pdf_stream
1210
1211	def updateCourseTickets(self, course):
1212	"""Udate course tickets if course attributes were changed.
1213	"""
1214	current_academic_session = grok.getSite()[
1215	'configuration'].current_academic_session
1216	if not current_academic_session:
1217	return
1218	cat = queryUtility(ICatalog, name='coursetickets_catalog')
1219	coursetickets = cat.searchResults(
1220	code=(course.code, course.code),
1221	session=(current_academic_session,current_academic_session))
1222	number = 0
1223	ob_class = self.__implemented__.__name__.replace('waeup.kofa.', '')
1224	for ticket in coursetickets:
1225	if ticket.credits == course.credits:
1226	continue
1227	if ticket.student.current_session != current_academic_session:
1228	continue
1229	if ticket.student.state not in (PAID,):
1230	continue
1231	number += 1
1232	ticket.student.__parent__.logger.info(
1233	'%s - %s %s/%s credits updated (%s->%s)' % (
1234	ob_class, ticket.student.student_id,
1235	ticket.level, ticket.code, course.credits,
1236	ticket.credits))
1237	ticket.credits = course.credits
1238	return number
1239
1240	#: A dictionary which maps widget names to headlines. The headline
1241	#: is rendered in forms and on pdf slips above the respective
1242	#: display or input widget. There are no separating headlines
1243	#: in the base package.
1244	SEPARATORS_DICT = {}
1245
1246	#: A tuple containing names of file upload viewlets which are not shown
1247	#: on the `StudentClearanceManageFormPage`. Nothing is being skipped
1248	#: in the base package. This attribute makes only sense, if intermediate
1249	#: custom packages are being used, like we do for all Nigerian portals.
1250	SKIP_UPLOAD_VIEWLETS = ()
1251
1252	#: A tuple containing the names of registration states in which changing of
1253	#: passport pictures is allowed.
1254	PORTRAIT_CHANGE_STATES = (ADMITTED,)
1255
1256	#: A tuple containing the names of registration states in which changing of
1257	#: scanned signatures is allowed.
1258	SIGNATURE_CHANGE_STATES = ()
1259
1260	#: A tuple containing all exporter names referring to students or
1261	#: subobjects thereof.
1262	STUDENT_EXPORTER_NAMES = (
1263	'students',
1264	'studentstudycourses',
1265	'studentstudycourses_1',
1266	#'studentstudycourses_2',
1267	'studentstudylevels',
1268	#'studentstudylevels_1',
1269	#'studentstudylevels_2',
1270	'coursetickets',
1271	#'coursetickets_1',
1272	#'coursetickets_2',
1273	'studentpayments',
1274	'bedtickets',
1275	'trimmed',
1276	'outstandingcourses',
1277	'unpaidpayments',
1278	'sfpaymentsoverview',
1279	'sessionpaymentsoverview',
1280	'studylevelsoverview',
1281	'combocard',
1282	'bursary',
1283	'accommodationpayments',
1284	'transcriptdata',
1285	'trimmedpayments',
1286	)
1287
1288	#: A tuple containing all exporter names needed for backing
1289	#: up student data
1290	STUDENT_BACKUP_EXPORTER_NAMES = (
1291	'students',
1292	'studentstudycourses',
1293	'studentstudycourses_1',
1294	'studentstudycourses_2',
1295	'studentstudylevels',
1296	'studentstudylevels_1',
1297	'studentstudylevels_2',
1298	'coursetickets',
1299	'coursetickets_1',
1300	'coursetickets_2',
1301	'studentpayments',
1302	'bedtickets')
1303
1304	# Maximum size of upload files in kB
1305	MAX_KB = 250
1306
1307	#: A prefix used when generating new student ids. Each student id will
1308	#: start with this string. The default is 'K' for Kofa.
1309	STUDENT_ID_PREFIX = u'K'

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