+# -*- coding: utf-8 -*-
+#
+# This file is part of Librarian, licensed under GNU Affero GPLv3 or later.
+# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
+#
+import os
+import shutil
+from tempfile import mkdtemp, NamedTemporaryFile
+
+from lxml import etree
+from subprocess import call
+
+from librarian import IOFile, Format, ParseError, get_resource
+from xmlutils import Xmill, tag, tagged, ifoption, tag_open_close
+from librarian import functions
+import re
+import random
+from copy import deepcopy
+
+IMAGE_THUMB_WIDTH = 300
+
+
+class EduModule(Xmill):
+ def __init__(self, options=None):
+ super(EduModule, self).__init__(options)
+ self.activity_counter = 0
+ self.activity_last = None
+ self.exercise_counter = 0
+
+ # text filters
+ def swap_endlines(txt):
+ if self.options['strofa']:
+ txt = txt.replace("/\n", "<br/>\n")
+ return txt
+ self.register_text_filter(functions.substitute_entities)
+ self.register_escaped_text_filter(swap_endlines)
+
+ @tagged('div', 'stanza')
+ def handle_strofa(self, element):
+ self.options = {'strofa': True}
+ return "", ""
+
+ def handle_powiesc(self, element):
+ return u"""<!DOCTYPE html>
+<html>
+ <head>
+ <meta http-equiv="content-type" content="text/html; charset=UTF-8">
+ <title>Edukacja medialna</title>
+ <link href="weasy.css" rel="stylesheet" type="text/css">
+ <meta charset="UTF-8">
+ </head>
+ <body id="body">
+ <div class="module" id="book-text">
+""", u"""
+ </div>
+ </body>
+</html>"""
+
+ handle_autor_utworu = tag("span", "author")
+ handle_dzielo_nadrzedne = tag("span", "collection")
+ handle_podtytul = tag("span", "subtitle")
+ handle_naglowek_akt = handle_naglowek_czesc = handle_srodtytul = tag("h2")
+ handle_naglowek_scena = tag('h2')
+ handle_naglowek_osoba = tag('h3')
+ handle_akap = handle_akap_dialog = handle_akap_cd = tag('p', 'paragraph')
+
+ handle_wyroznienie = tag('em')
+ handle_tytul_dziela = tag('em', 'title')
+ handle_slowo_obce = tag('em', 'foreign')
+
+ def naglowek_to_anchor(self, naglowek):
+ return self.options['urlmapper'].naglowek_to_anchor(naglowek)
+
+ def handle_nazwa_utworu(self, element):
+ return "<h1 class='title' id='top'>", "</h1>"
+
+ def handle_naglowek_rozdzial(self, element):
+ return tag_open_close("h2", id=self.naglowek_to_anchor(element))
+
+ def handle_naglowek_podrozdzial(self, element):
+ self.activity_counter = 0
+ if element.text.strip() == u'Przebieg zajęć':
+ return tag('h3', 'activities-header')(self, element)
+ return tag('h3')(self, element)
+
+ def handle_uwaga(self, _e):
+ return None
+
+ def handle_aktywnosc(self, element):
+ self.activity_counter += 1
+ parity = 'odd' if self.activity_counter % 2 == 1 else 'even'
+ if self.activity_counter == 1:
+ parity += ' first'
+ self.options = {
+ 'activity': True,
+ 'activity_counter': self.activity_counter,
+ }
+ submill = EduModule(dict(self.options.items() + {'sub_gen': True}.items()))
+
+ if element.xpath('opis'):
+ opis = submill.generate(element.xpath('opis')[0])
+ else:
+ opis = ''
+
+ n = element.xpath('wskazowki')
+ if n:
+ wskazowki = submill.generate(n[0])
+ else:
+ wskazowki = ''
+
+ n = element.xpath('pomoce')
+ if n:
+ pomoce = submill.generate(n[0])
+ else:
+ pomoce = ''
+
+ forma = ''.join(element.xpath('forma/text()'))
+ get_forma_url = self.options['urlmapper'].get_forma_url
+ forms = []
+ for form_name in forma.split(','):
+ name = form_name.strip()
+ url = get_forma_url(name)
+ if url:
+ forms.append("<a href='%s'>%s</a>" % (url, name))
+ else:
+ forms.append(name)
+ forma = ', '.join(forms)
+ if forma:
+ forma = '<tr class="infobox kind"><th>Metoda</th><td><p>%s</p></td></tr>' % forma
+
+ czas = ''.join(element.xpath('czas/text()'))
+ if czas:
+ czas = '<tr class="infobox time"><th>Czas</th><td><p>%s min</p></td></tr>' % czas
+
+ counter = self.activity_counter
+
+ if element.getnext().tag == 'aktywnosc' or (len(self.activity_last) and self.activity_last.getnext() == element):
+ counter_html = """<span class="act_counter">%(counter)d.</span>""" % {'counter': counter}
+ else:
+ counter_html = ''
+
+ self.activity_last = element
+
+ return (
+ u"""
+<div class="activity %(parity)s">
+ <div class="text">
+ <div class="description">
+ %(counter_html)s
+ %(opis)s""" % {'counter_html': counter_html, 'opis': opis, 'parity': parity},
+ u"""%(wskazowki)s
+ </div>
+ </div>
+ <table class="info">
+ %(czas)s
+ %(forma)s
+ %(pomoce)s
+ </table>
+ <div class="clearboth"></div>
+</div>
+""" % {'wskazowki': wskazowki, 'czas': czas, 'forma': forma, 'pomoce': pomoce})
+
+ handle_opis = ifoption(sub_gen=True)(tag('div', 'desc'))
+ handle_wskazowki = ifoption(sub_gen=True)(tag('div', ('hints', 'teacher')))
+
+ @ifoption(sub_gen=True)
+ @tagged('tr', 'infobox materials')
+ def handle_pomoce(self, _):
+ return """<th>Pomoce</th><td>""", "</td>"
+
+ def handle_czas(self, *_):
+ return
+
+ def handle_forma(self, *_):
+ return
+
+ def handle_cwiczenie(self, element):
+ exercise_handlers = {
+ 'wybor': Wybor,
+ 'uporzadkuj': Uporzadkuj,
+ 'luki': Luki,
+ 'zastap': Zastap,
+ 'przyporzadkuj': Przyporzadkuj,
+ 'prawdafalsz': PrawdaFalsz
+ }
+
+ typ = element.attrib['typ']
+ self.exercise_counter += 1
+ self.options = {'exercise_counter': self.exercise_counter}
+ handler = exercise_handlers[typ](self.options)
+ return handler.generate(element)
+
+ # Lists
+ def handle_lista(self, element, attrs=None):
+ if attrs is None:
+ attrs = {}
+ ltype = element.attrib.get('typ', 'punkt')
+ if not element.findall("punkt"):
+ if ltype == 'czytelnia':
+ return '<p>W przygotowaniu.</p>'
+ else:
+ return None
+ if ltype == 'slowniczek':
+ surl = element.attrib.get('src', None)
+ if surl is None:
+ # print '** missing src on <slowniczek>, setting default'
+ surl = 'http://edukacjamedialna.edu.pl/lekcje/slowniczek/'
+ sxml = etree.fromstring(self.options['provider'].by_uri(surl).get_string())
+
+ self.options = {'slowniczek': True, 'slowniczek_xml': sxml}
+ return '<div class="slowniczek"><dl>', '</dl></div>'
+
+ listtag = {
+ 'num': 'ol',
+ 'punkt': 'ul',
+ 'alfa': 'ul',
+ 'czytelnia': 'ul'}[ltype]
+
+ classes = attrs.get('class', '')
+ if classes:
+ del attrs['class']
+
+ attrs_s = ' '.join(['%s="%s"' % kv for kv in attrs.items()])
+ if attrs_s:
+ attrs_s = ' ' + attrs_s
+
+ return '<%s class="lista %s %s"%s>' % (listtag, ltype, classes, attrs_s), '</%s>' % listtag
+
+ def handle_punkt(self, element):
+ if self.options['slowniczek']:
+ return '', ''
+ else:
+ return '<li>', '</li>'
+
+ def handle_definiendum(self, element):
+ nxt = element.getnext()
+ definiens_s = ''
+
+ if not element.text:
+ print "!! Empty <definiendum/>"
+ return None
+
+ # let's pull definiens from another document
+ if self.options['slowniczek_xml'] is not None and (nxt is None or nxt.tag != 'definiens'):
+ sxml = self.options['slowniczek_xml']
+ if "'" in (element.text or ''):
+ defloc = sxml.xpath("//definiendum[text()=\"%s\"]" % (element.text or '').strip())
+ else:
+ defloc = sxml.xpath("//definiendum[text()='%s']" % (element.text or '').strip())
+ if defloc:
+ definiens = defloc[0].getnext()
+ if definiens.tag == 'definiens':
+ subgen = EduModule(self.options)
+ definiens_s = subgen.generate(definiens)
+ else:
+ print ("!! Missing definiendum in source: '%s'" % element.text).encode('utf-8')
+
+ return u"<dt id='%s'>" % self.naglowek_to_anchor(element), u"</dt>" + definiens_s
+
+ def handle_definiens(self, element):
+ return u"<dd>", u"</dd>"
+
+ def handle_podpis(self, element):
+ return u"""<div class="caption">""", u"</div>"
+
+ def handle_tabela(self, element):
+ has_frames = int(element.attrib.get("ramki", "0"))
+ frames_c = "framed" if has_frames else ""
+ return u"""<table class="%s">""" % frames_c, u"</table>"
+
+ def handle_wiersz(self, element):
+ return u"<tr>", u"</tr>"
+
+ def handle_kol(self, element):
+ return u"<td>", u"</td>"
+
+ def handle_rdf__RDF(self, _):
+ # ustal w opcjach rzeczy :D
+ return
+
+ def handle_link(self, element):
+ if 'url' in element.attrib:
+ return tag('a', href=element.attrib['url'])(self, element)
+ elif 'material' in element.attrib:
+ material_err = u' [BRAKUJĄCY MATERIAŁ]'
+ slug = element.attrib['material']
+
+ def make_url(f):
+ return self.options['urlmapper'].url_for_material(slug, f)
+
+ formats = self.options['urlmapper'].materials(slug)
+
+ try:
+ def_href = make_url(formats[0][0])
+ def_err = u""
+ except (IndexError, self.options['urlmapper'].MaterialNotFound):
+ def_err = material_err
+ def_href = u""
+ fmt_links = []
+ for f in formats[1:]:
+ try:
+ fmt_links.append(u'<a href="%s">%s</a>' % (make_url(f[0]), f[0].upper()))
+ except self.options['urlmapper'].MaterialNotFound:
+ fmt_links.append(u'<a>%s%s</a>' % (f[0].upper(), material_err))
+ more_links = u' (%s)' % u', '.join(fmt_links) if fmt_links else u''
+
+ return u"<a href='%s'>" % def_href, u'%s</a>%s' % (def_err, more_links)
+
+ def handle_obraz(self, element):
+ format = self.options['urlmapper']
+ name = element.attrib.get('nazwa', '').strip()
+ if not name:
+ print '!! <obraz> missing "nazwa"'
+ return
+ alt = element.attrib.get('alt', '')
+ if not alt:
+ print '** <obraz> missing "alt"'
+ slug, ext = name.rsplit('.', 1)
+ image = format.image(slug, ext)
+ name = image.name.rsplit('/', 1)[-1]
+ e = etree.Element("a", attrib={"class": "image"})
+ e.append(etree.Element("img", attrib={
+ "src": name,
+ "alt": alt,
+ "width": str(IMAGE_THUMB_WIDTH)}))
+ format.attachments[name] = self.options['media_root'] + image.name
+ return etree.tostring(e, encoding=unicode), u""
+
+ def handle_video(self, element):
+ url = element.attrib.get('url')
+ if not url:
+ print '!! <video> missing url'
+ return
+ m = re.match(r'(?:https?://)?(?:www.)?youtube.com/watch\?(?:.*&)?v=([^&]+)(?:$|&)', url)
+ if not m:
+ print '!! unknown <video> url scheme:', url
+ return
+ return """<iframe width="630" height="384" src="http://www.youtube.com/embed/%s"
+ frameborder="0" allowfullscreen></iframe>""" % m.group(1), ""
+
+
+class Exercise(EduModule):
+ INSTRUCTION = ""
+
+ def __init__(self, *args, **kw):
+ self.question_counter = 0
+ super(Exercise, self).__init__(*args, **kw)
+ self.instruction_printed = False
+ self.piece_counter = None
+
+ @tagged('div', 'description')
+ def handle_opis(self, element):
+ return "", self.get_instruction()
+
+ def handle_rozw_kom(self, element):
+ return u"""<div style="display:none" class="comment">""", u"""</div>"""
+
+ def extra_attributes(self):
+ return {}
+
+ def handle_cwiczenie(self, element):
+ self.options = {'exercise': element.attrib['typ']}
+ self.question_counter = 0
+ self.piece_counter = 0
+
+ extra_attrs = self.extra_attributes()
+
+ pre = u"""
+<div class="exercise %(typ)s" data-type="%(typ)s"%(extra_attrs)s>
+<h3>Zadanie %(exercies_counter)d</h3>
+""" % {
+ 'exercies_counter': self.options['exercise_counter'],
+ 'typ': element.attrib['typ'],
+ 'extra_attrs': ' ' + ' '.join(
+ 'data-%s="%s"' % item for item in extra_attrs.iteritems()) if extra_attrs else '',
+ }
+ post = u"""
+</div>
+"""
+ # Add a single <pytanie> tag if it's not there
+ if not element.xpath(".//pytanie"):
+ qpre, qpost = self.handle_pytanie(element)
+ pre += qpre
+ post = qpost + post
+ return pre, post
+
+ def handle_pytanie(self, element):
+ """This will handle <cwiczenie> element, when there is no <pytanie>
+ """
+ add_class = ""
+ self.question_counter += 1
+ self.piece_counter = 0
+ solution = element.attrib.get('rozw', None)
+ solution_s = ' data-solution="%s"' % solution if solution else ''
+
+ handles = element.attrib.get('uchwyty', None)
+ if handles:
+ add_class += ' handles handles-%s' % handles
+ self.options = {'handles': handles}
+
+ minimum = element.attrib.get('min', None)
+ minimum_s = ' data-minimum="%d"' % int(minimum) if minimum else ''
+
+ return '<div class="question%s" data-no="%d" %s>' %\
+ (add_class, self.question_counter, solution_s + minimum_s), \
+ "</div>"
+
+ def get_instruction(self):
+ if not self.instruction_printed:
+ self.instruction_printed = True
+ if self.INSTRUCTION:
+ return u'<span class="instruction">%s</span>' % self.INSTRUCTION
+ else:
+ return ""
+ else:
+ return ""
+
+
+class Wybor(Exercise):
+ def extra_attributes(self):
+ return {'subtype': 'single' if self.options['single'] else 'multiple'}
+
+ def handle_cwiczenie(self, element):
+ is_single_choice = True
+ pytania = element.xpath(".//pytanie")
+ if not pytania:
+ pytania = [element]
+ for p in pytania:
+ solutions = p.xpath(".//punkt[@rozw='prawda']")
+ if len(solutions) != 1:
+ is_single_choice = False
+ break
+
+ self.options = {'single': is_single_choice}
+ return super(Wybor, self).handle_cwiczenie(element)
+
+ def handle_punkt(self, element):
+ if self.options['exercise'] and element.attrib.get('rozw', None):
+ qc = self.question_counter
+ self.piece_counter += 1
+ no = self.piece_counter
+ eid = "q%(qc)d_%(no)d" % locals()
+ sol = element.attrib.get('rozw', None)
+ params = {'qc': qc, 'no': no, 'sol': sol, 'eid': eid}
+ if self.options['single']:
+ input_tag = u'<input type="radio" name="q%(qc)d" id="%(eid)s" value="%(eid)s" />'
+ else:
+ input_tag = u'<input type="checkbox" name="%(eid)s" id="%(eid)s" />'
+ return (u"""
+<li class="question-piece" data-qc="%(qc)d" data-no="%(no)d" data-sol="%(sol)s">
+ """ + input_tag + u"""
+<label for="%(eid)s">""") % params, u"</label></li>"
+ else:
+ return super(Wybor, self).handle_punkt(element)
+
+
+class Uporzadkuj(Exercise):
+ INSTRUCTION = u"Kliknij wybraną odpowiedź i przeciągnij w nowe miejsce."
+
+ def handle_pytanie(self, element):
+ """
+Overrides the returned content default handle_pytanie
+ """
+ # we ignore the result, returning our own
+ super(Uporzadkuj, self).handle_pytanie(element)
+ order_items = element.xpath(".//punkt/@rozw")
+
+ return u"""<div class="question" data-original="%s" data-no="%s">""" % \
+ (','.join(order_items), self.question_counter), \
+ u"""</div>"""
+
+ def handle_punkt(self, element):
+ return """<li class="question-piece" data-pos="%(rozw)s">""" \
+ % element.attrib,\
+ "</li>"
+
+
+class Luki(Exercise):
+ INSTRUCTION = u"Przeciągnij odpowiedzi i upuść w wybranym polu."
+
+ def find_pieces(self, question):
+ return question.xpath(".//luka")
+
+ def solution_html(self, piece):
+ piece = deepcopy(piece)
+ piece.tail = None
+ sub = EduModule()
+ return sub.generate(piece)
+
+ def handle_pytanie(self, element):
+ qpre, qpost = super(Luki, self).handle_pytanie(element)
+
+ luki = list(enumerate(self.find_pieces(element)))
+ luki_html = ""
+ random.shuffle(luki)
+ for (i, luka) in luki:
+ i += 1
+ luka_html = self.solution_html(luka)
+ luki_html += u'<span class="draggable question-piece" data-no="%d">%s</span>' % (i, luka_html)
+ self.words_html = '<div class="words">%s</div>' % luki_html
+
+ return qpre, qpost
+
+ def handle_opis(self, element):
+ return '', self.words_html
+
+ def handle_luka(self, element):
+ self.piece_counter += 1
+ return '<span class="placeholder" data-solution="%d"></span>' % self.piece_counter
+
+
+class Zastap(Luki):
+ INSTRUCTION = u"Przeciągnij odpowiedzi i upuść je na słowie lub wyrażeniu, które chcesz zastąpić."
+
+ def find_pieces(self, question):
+ return question.xpath(".//zastap")
+
+ def solution_html(self, piece):
+ return piece.attrib.get('rozw', '')
+
+ def handle_zastap(self, element):
+ self.piece_counter += 1
+ return '<span class="placeholder zastap question-piece" data-solution="%d">' \
+ % self.piece_counter, '</span>'
+
+
+class Przyporzadkuj(Exercise):
+ INSTRUCTION = [u"Przeciągnij odpowiedzi i upuść w wybranym polu.",
+ u"Kliknij numer odpowiedzi, przeciągnij i upuść w wybranym polu."]
+
+ def get_instruction(self):
+ if not self.instruction_printed:
+ self.instruction_printed = True
+ return u'<span class="instruction">%s</span>' % self.INSTRUCTION[self.options['handles'] and 1 or 0]
+ else:
+ return ""
+
+ def handle_cwiczenie(self, element):
+ pre, post = super(Przyporzadkuj, self).handle_cwiczenie(element)
+ lista_with_handles = element.xpath(".//*[@uchwyty]")
+ if lista_with_handles:
+ self.options = {'handles': True}
+ return pre, post
+
+ def handle_pytanie(self, element):
+ pre, post = super(Przyporzadkuj, self).handle_pytanie(element)
+ minimum = element.attrib.get("min", None)
+ if minimum:
+ self.options = {"min": int(minimum)}
+ return pre, post
+
+ def handle_lista(self, lista):
+ if 'nazwa' in lista.attrib:
+ attrs = {
+ 'data-name': lista.attrib['nazwa'],
+ 'class': 'predicate'
+ }
+ self.options = {'predicate': True}
+ elif 'cel' in lista.attrib:
+ attrs = {
+ 'data-target': lista.attrib['cel'],
+ 'class': 'subject'
+ }
+ if lista.attrib.get('krotkie'):
+ self.options = {'short': True}
+ self.options = {'subject': True}
+ else:
+ attrs = {}
+ pre, post = super(Przyporzadkuj, self).handle_lista(lista, attrs)
+ return pre, post + '<br class="clearboth"/>'
+
+ def handle_punkt(self, element):
+ if self.options['subject']:
+ self.piece_counter += 1
+ if self.options['handles']:
+ return (
+ '<li><span data-solution="%s" data-no="%s" '
+ 'class="question-piece draggable handle add-li">%s</span>' % (
+ element.attrib.get('rozw', ''),
+ self.piece_counter,
+ self.piece_counter),
+ '</li>')
+ else:
+ extra_class = ""
+ if self.options['short']:
+ extra_class += ' short'
+ return '<li data-solution="%s" data-no="%s" class="question-piece draggable%s">' % (
+ element.attrib.get('rozw', ''),
+ self.piece_counter, extra_class), '</li>'
+
+ elif self.options['predicate']:
+ if self.options['min']:
+ placeholders = u'<li class="placeholder"></li>' * self.options['min']
+ else:
+ placeholders = u'<li class="placeholder multiple"></li>'
+ return (
+ '<li data-predicate="%s">' % element.attrib.get('nazwa', ''),
+ '<ul class="subjects">' + placeholders + '</ul></li>')
+
+ else:
+ return super(Przyporzadkuj, self).handle_punkt(element)
+
+
+class PrawdaFalsz(Exercise):
+ def handle_punkt(self, element):
+ if 'rozw' in element.attrib:
+ return u'''<li data-solution="%s" class="question-piece">
+ <span class="buttons">
+ <a data-value="true" class="true">Prawda</a>
+ <a data-value="false" class="false">Fałsz</a>
+ </span>
+ <span class="question-piece-text">''' % {
+ 'prawda': 'true',
+ 'falsz': 'false'
+ }[element.attrib['rozw']], '</span></li>'
+ else:
+ return super(PrawdaFalsz, self).handle_punkt(element)
+
+
+class EduModuleWeasyFormat(Format):
+ PRIMARY_MATERIAL_FORMATS = ('pdf', 'odt')
+
+ class MaterialNotFound(BaseException):
+ pass
+
+ def __init__(self, wldoc, media_root='', **kwargs):
+ super(EduModuleWeasyFormat, self).__init__(wldoc, **kwargs)
+ self.media_root = media_root
+ self.materials_by_slug = None
+ self.attachments = {}
+
+ def get_html(self):
+ self.attachments = {}
+ edumod = EduModule({
+ 'provider': self.wldoc.provider,
+ 'urlmapper': self,
+ 'wldoc': self.wldoc,
+ 'media_root': self.media_root,
+ })
+ return edumod.generate(self.wldoc.edoc.getroot())
+
+ def get_weasy_dir(self):
+ html = self.get_html()
+ temp = mkdtemp('-weasy')
+ # Save TeX file
+ html_path = os.path.join(temp, 'doc.html')
+ with open(html_path, 'w') as fout:
+ fout.write(html.encode('utf-8'))
+ # Copy style
+ weasy_dir = os.path.join(os.path.dirname(__file__), 'weasy')
+ for filename in os.listdir(weasy_dir):
+ shutil.copy(get_resource('weasy/%s' % filename), temp)
+ for name, path in self.attachments.items():
+ shutil.copy(path, os.path.join(temp, name))
+ return temp
+
+ def get_pdf(self):
+ temp = self.get_weasy_dir()
+ html_path = os.path.join(temp, 'doc.html')
+ pdf_path = os.path.join(temp, 'doc.pdf')
+ try:
+ cwd = os.getcwd()
+ except OSError:
+ cwd = None
+ os.chdir(temp)
+
+ WEASY_COMMAND = '/home/janek/Desktop/weasy-test/bin/weasyprint'
+
+ p = call([WEASY_COMMAND, html_path, pdf_path])
+ if p:
+ raise ParseError("Error parsing .html file: %s" % html_path)
+
+ if cwd is not None:
+ os.chdir(cwd)
+
+ output_file = NamedTemporaryFile(prefix='librarian', suffix='.pdf', delete=False)
+ shutil.move(pdf_path, output_file.name)
+ # shutil.rmtree(temp)
+ return IOFile.from_filename(output_file.name)
+
+ def build(self):
+ # Sort materials by slug.
+ self.materials_by_slug = {}
+ for name, att in self.wldoc.source.attachments.items():
+ parts = name.rsplit('.', 1)
+ if len(parts) == 1:
+ continue
+ slug, ext = parts
+ if slug not in self.materials_by_slug:
+ self.materials_by_slug[slug] = {}
+ self.materials_by_slug[slug][ext] = att
+ return self.get_pdf()
+
+ def materials(self, slug):
+ """Returns a list of pairs: (ext, iofile)."""
+ order = {pmf: i for (i, pmf) in enumerate(self.PRIMARY_MATERIAL_FORMATS)}
+ mats = self.materials_by_slug.get(slug, {}).items()
+ if not mats:
+ print ("!! Material missing: '%s'" % slug).encode('utf-8')
+ return sorted(mats, key=lambda (x, y): order.get(x, x))
+
+ def url_for_material(self, slug, fmt):
+ return "%s.%s" % (slug, fmt)
+
+ def url_for_image(self, slug, fmt, width=None):
+ return self.url_for_material(slug, fmt)
+
+ def text_to_anchor(self, text):
+ return re.sub(r" +", " ", text)
+
+ def naglowek_to_anchor(self, naglowek):
+ return self.text_to_anchor(naglowek.text.strip())
+
+ def get_forma_url(self, forma):
+ return None
+
+ def get_help_url(self, naglowek):
+ return None
+
+
+def transform(wldoc, stylesheet='edumed', options=None, flags=None, verbose=None):
+ """Transforms the WL document to XHTML.
+
+ If output_filename is None, returns an XML,
+ otherwise returns True if file has been written,False if it hasn't.
+ File won't be written if it has no content.
+ """
+ edumodfor = EduModuleWeasyFormat(wldoc)
+ return edumodfor.build()