apps/catalogue/management/commands/make_master.py

   1 # -*- coding: utf-8 -*-
   2
   3 from django.core.management.base import BaseCommand
   4 from django.core.management.color import color_style
   5 from catalogue.management.prompt import confirm
   6 from catalogue.models import Book
   7 from optparse import make_option
   8 from datetime import date
   9 import re
  10 from slughifi import slughifi
  11
  12
  13 dc_fixed = {
  14     'description': u'Publikacja zrealizowana w ramach projektu Cyfrowa Przyszłość (http://edukacjamedialna.edu.pl).',
  15     'rights': u'Creative Commons Uznanie autorstwa - Na tych samych warunkach 3.0',
  16     'rights_license': u'http://creativecommons.org/licenses/by-sa/3.0/',
  17     }
  18
  19
  20 class Command(BaseCommand):
  21     option_list = BaseCommand.option_list + (
  22         make_option('-s', '--slug', dest='slug', help="Slug for master module"),
  23         make_option('-F', '--file', dest='slugs_file', help="file with child module slugs per line"),
  24         make_option('-t', '--title', dest='title', default='', help="title of master module"),
  25         make_option('-l', '--level', dest='audience', default='', help='Audience level'),
  26     )
  27     help = 'Create a master module skeleton'
  28
  29     def looks_like_syntetic(self, slug):
  30         if re.match(r"^(gim|lic) \d[.]? ", slug):
  31             return True
  32         return False
  33
  34     def gen_xml(self, options, syntetic_modules=[], course_modules=[], project_modules=[]):
  35         holder = {}
  36         holder['xml'] = u""
  37
  38         def p(t):
  39             holder['xml'] += u"%s\n" % t
  40
  41         def dc(k, v):
  42             p(u'<dc:%s xml:lang="pl" xmlns:dc="http://purl.org/dc/elements/1.1/">%s</dc:%s>' % (k, v, k))
  43
  44         def t(tag, ct):
  45             p(u'<%s>%s</%s>' % (tag, ct, tag))
  46
  47         def slug_url(slug):
  48             return u"http://edukacjamedialna/%s/" % slug
  49
  50         p("<utwor>")
  51         p(u'<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">')
  52         p(u'<rdf:Description rdf:about="http://redakcja.edukacjamedialna.edu.pl/documents/">')
  53
  54         dc(u'title', options['title'])
  55         for slug in syntetic_modules:
  56             dc(u'relation.hasChild.syntetic', slug_url(slug))
  57         for slug in course_modules:
  58             dc(u'relation.hasChild.course', slug_url(slug))
  59         for slug in project_modules:
  60             dc(u'relation.hasChild.project', slug_url(slug))
  61         dc(u'publisher', u'Fundacja Nowoczesna Polska')
  62         #        dc(u'subject.competence', meta.get(u'Wybrana kompetencja z Katalogu', u''))
  63         #        dc(u'subject.curriculum', meta.get(u'Odniesienie do podstawy programowej', u''))
  64         ## for keyword in meta.get(u'Słowa kluczowe', u'').split(u','):
  65         ##     keyword = keyword.strip()
  66         ##     dc(u'subject', keyword)
  67         dc(u'description', dc_fixed['description'])
  68         dc(u'identifier.url', u'http://edukacjamedialna.edu.pl/%s' % options['slug'])
  69         dc(u'rights', dc_fixed['rights'])
  70         dc(u'rights.license', dc_fixed['rights_license'])
  71         dc(u'format', u'syntetic, course, project')
  72         dc(u'type', u'text')
  73         dc(u'date', date.strftime(date.today(), "%Y-%m-%d"))
  74         dc(u'audience', options['audience'])
  75         dc(u'language', u'pol')
  76         p(u'</rdf:Description>')
  77         p(u'</rdf:RDF>')
  78
  79         return holder['xml']
  80
  81     def handle(self, *args, **options):
  82         slug = options['slug']
  83         if not slug:
  84             slug = slughifi(options['title'])
  85         existing = Book.objects.filter(slug=slug)
  86
  87         master = None
  88         if existing:
  89             overwrite = confirm("%s exists. Overwrite?" % slug, True)
  90             if not overwrite:
  91                 return
  92             master = existing[0]
  93         else:
  94             master = Book()
  95         master.slug = slug
  96         master.title = options['title']
  97         master.save()
  98
  99         if len(master) == 0:
 100             master.add(slug, options['title'])
 101
 102         syntetic_modules = []
 103         course_modules = []
 104         if 'slugs_file' in options:
 105             f = open(options['slugs_file'], 'r')
 106             try:
 107                 titles = [l.strip() for l in f.readlines()]
 108
 109                 for t in titles:
 110                     if not t: continue
 111                     try:
 112                         b = Book.objects.get(title=t)
 113                     except Book.DoesNotExist:
 114                         print "Book for title %s does not exist" % t
 115                         continue
 116                     if self.looks_like_syntetic(t):
 117                         syntetic_modules.append(b.slug)
 118                     else:
 119                         course_modules.append(b.slug)
 120             except Exception, e:
 121                 print "Error getting slug list (file %s): %s" % (options['slugs_file'], e)
 122
 123         print "syntetic: %s" % syntetic_modules
 124         print "course: %s" % course_modules
 125
 126         xml = self.gen_xml(options, syntetic_modules, course_modules)
 127
 128         print xml
 129
 130         #        master.save()