-
- def repl(m):
- l = m.group()
- return u"(%s)" % '|'.join(names[l])
-
- return re.sub(u'[%s]' % (u''.join(names.keys())), repl, query)
-
-
-def unicode_re_escape(query):
- """ Unicode-friendly version of re.escape """
- return re.sub(r'(?u)(\W)', r'\\\1', query)
-
-
-def _word_starts_with(name, prefix):
- """returns a Q object getting models having `name` contain a word
- starting with `prefix`
-
- We define word characters as alphanumeric and underscore, like in JS.
-
- Works for MySQL, PostgreSQL, Oracle.
- For SQLite, _sqlite* version is substituted for this.
- """
- kwargs = {}
-
- prefix = _no_diacritics_regexp(unicode_re_escape(prefix))
- # can't use [[:<:]] (word start),
- # but we want both `xy` and `(xy` to catch `(xyz)`
- kwargs['%s__iregex' % name] = u"(^|[^[:alnum:]_])%s" % prefix
-
- return Q(**kwargs)
-
-
-def _word_starts_with_regexp(prefix):
- prefix = _no_diacritics_regexp(unicode_re_escape(prefix))
- return ur"(^|(?<=[^\wąćęłńóśźżĄĆĘŁŃÓŚŹŻ]))%s" % prefix
-
-
-def _sqlite_word_starts_with(name, prefix):
- """ version of _word_starts_with for SQLite
-
- SQLite in Django uses Python re module
- """
- kwargs = {'%s__iregex' % name: _word_starts_with_regexp(prefix)}
- return Q(**kwargs)
-
-
-if hasattr(settings, 'DATABASES'):
- if settings.DATABASES['default']['ENGINE'] == 'django.db.backends.sqlite3':
- _word_starts_with = _sqlite_word_starts_with
-elif settings.DATABASE_ENGINE == 'sqlite3':
- _word_starts_with = _sqlite_word_starts_with
-
-
-class App:
- def __init__(self, name, view):
- self.name = name
- self._view = view
- self.lower = name.lower()
- self.category = 'application'
-
- def view(self):
- return reverse(*self._view)
-
-_apps = (
- App(u'Leśmianator', (u'lesmianator', )),
- )
-
-
-def _tags_starting_with(prefix, user=None):
- prefix = prefix.lower()
- # PD counter
- book_stubs = pdcounter_models.BookStub.objects.filter(_word_starts_with('title', prefix))
- authors = pdcounter_models.Author.objects.filter(_word_starts_with('name', prefix))
-
- books = models.Book.objects.filter(_word_starts_with('title', prefix))
- tags = models.Tag.objects.filter(_word_starts_with('name', prefix))
- if user and user.is_authenticated():
- tags = tags.filter(~Q(category='set') | Q(user=user))
- else:
- tags = tags.exclude(category='set')
-
- prefix_regexp = re.compile(_word_starts_with_regexp(prefix))
- return list(books) + list(tags) + [app for app in _apps if prefix_regexp.search(app.lower)] + list(book_stubs) + \
- list(authors)
-
-
-def _get_result_link(match, tag_list):
- if isinstance(match, models.Tag):
- return reverse('catalogue.views.tagged_object_list',
- kwargs={'tags': '/'.join(tag.url_chunk for tag in tag_list + [match])})
- elif isinstance(match, App):
- return match.view()
fnp / wolnelektury.git / blobdiff