def testSimpleSplitterOnQuery(self):
# The simple splitter strips punctuation. Thus foo.bar becomes foobar.
I = Index(fields=('text', ), languages=('en', ))
I.index_object(Mock('en', text=u'foo.bar baz'), 1)
lexicon = I.getLexicon()
self.assertEquals(['baz', 'foobar'], lexicon.getWordsForLanguage('en'))
self._test(I, u'foo.bar', 'en', (1, ), 'text')
def testIndexAndUnindex(self):
I = Index(fields=('text', 'author'), languages=('de', 'fr', 'en'))
I.index_object(
Mock('de',
text=unicode(de1, 'iso-8859-15'),
author=u'Andreas Jung'), 1)
I.index_object(
Mock('de', text=unicode(de2, 'iso-8859-15'),
author=u'Andrea Jung'), 2)
I.index_object(
Mock('de', text=unicode(de3, 'iso-8859-15'),
author=u'der Nasbär'), 3)
self._test(I, u'andreas jung', 'de', (1, ), 'author')
I.unindex_object(1)
I.unindex_object(2)
I.unindex_object(3)
I.unindex_object(9999)
self._test(I, u'andreas jung', 'de', (), 'author')
I.index_object(
Mock('de',
text=unicode(de1, 'iso-8859-15'),
author=u'Andreas Jung'), 1)
self._test(I, u'andreas jung', 'de', (1, ), 'author')
self._test(I, u'andreas jung', 'de', (), 'text')
self._test(I, u'das opfer wird', 'de', (1, ), 'text')
I.index_object(
Mock('de', text=unicode(de2, 'iso-8859-15'),
author=u'Andrea Jung'), 1)
self._test(I, u'andrea jung', 'de', (1, ), 'author')
def testSimpleSplitterOnQuery(self):
# The simple splitter strips punctuation. Thus foo.bar becomes foobar.
I = Index(fields=('text',), languages=('en',))
I.index_object(Mock('en', text=u'foo.bar baz'), 1)
lexicon = I.getLexicon()
self.assertEquals(['baz', 'foobar'],
lexicon.getWordsForLanguage('en'))
self._test(I, u'foo.bar', 'en', (1,), 'text')
def testSplitterWithAdditionalChars(self):
I = Index(fields=('text',), languages=('en',),
splitter_additional_chars='.-+')
I.index_object(Mock('en', text=u'c++x hello-world algol68'), 1)
lexicon = I.getLexicon()
self.assertEquals(['algol68', 'cx', 'hello-world'],
lexicon.getWordsForLanguage('en'))
self._test(I, u'c++x OR xyz', 'en', (1,), 'text')
self._test(I, u'c++x', 'en', (1,), 'text')
def testSplitterWithAdditionalChars(self):
I = Index(fields=('text', ),
languages=('en', ),
splitter_additional_chars='.-+')
I.index_object(Mock('en', text=u'c++x hello-world algol68'), 1)
lexicon = I.getLexicon()
self.assertEquals(['algol68', 'cx', 'hello-world'],
lexicon.getWordsForLanguage('en'))
self._test(I, u'c++x OR xyz', 'en', (1, ), 'text')
self._test(I, u'c++x', 'en', (1, ), 'text')
def testDE(self):
I = Index(fields=('text', ),
languages=('de', ),
index_unknown_languages=False)
I.index_object(Mock('de', text=unicode(de1, 'iso-8859-15')), 1)
# this raises an exception because the index does not know about 'fr' or 'en'
self.assertRaises(ValueError, I.index_object,
Mock('fr', text=unicode(fr1, 'iso-8859-15')), 4)
self.assertRaises(ValueError, I.index_object,
Mock('en', text=unicode(en1, 'iso-8859-15')), 5)
def testIndexWithOneLanguage(self):
o1 = Mock(text=u'The quick brown fox', language='en')
o2 = Mock(text=u'der schnelle braune fuchs', language='de')
o3 = Mock(text=u'je ne sais pas', language='fr')
I = Index(fields=('text',), dedicated_storage=True, languages=('en',), index_unknown_languages=False)
I.index_object(o1, 1)
self.assertRaises(ValueError, I.index_object, o2, 2)
self.assertRaises(ValueError, I.index_object, o2, 3)
en_words = I._lexicon.getWordsForLanguage('en')
en_words.sort()
self.assertEqual(en_words, ['brown', 'fox', 'quick', 'the'])
def testIndexWithOneLanguage(self):
o1 = Mock(text=u'The quick brown fox', language='en')
o2 = Mock(text=u'der schnelle braune fuchs', language='de')
o3 = Mock(text=u'je ne sais pas', language='fr')
I = Index(fields=('text', ),
dedicated_storage=True,
languages=('en', ),
index_unknown_languages=False)
I.index_object(o1, 1)
self.assertRaises(ValueError, I.index_object, o2, 2)
self.assertRaises(ValueError, I.index_object, o2, 3)
en_words = I._lexicon.getWordsForLanguage('en')
en_words.sort()
self.assertEqual(en_words, ['brown', 'fox', 'quick', 'the'])
def testSearchAllFields(self):
o1 = Mock('en', text=u'The quick brown fox', title=u'Fox')
o2 = Mock('en', text=u'Mary had a little lamb.', title=u'Quick Mary')
o3 = Mock('en', text=u'Pop goes the weasel!', title=u'Weasel')
I = Index(fields=('title', 'text'), languages=('en',))
I.index_object(o1, 1)
I.index_object(o2, 2)
I.index_object(o3, 3)
res = I.search(u'quick')
self.assertEquals([2], list(res.getDocids()))
res = I.search(u'quick', search_all_fields=True)
self.assertEquals([1, 2], list(res.getDocids()))
self.assertRaises(
ValueError,
I.search, u'quick', field='text', search_all_fields=True)
def testSplitterOnQueryWithDefaultSplitter(self):
from zopyx.txng3.core.splitter import SplitterFactory
provideUtility(SplitterFactory, zope.component.interfaces.IFactory,
name='txng.splitters.default')
I = Index(fields=('text',), languages=('en',),
splitter_additional_chars='-',
splitter='txng.splitters.default')
I.index_object(Mock('en', text=u'asdf abc.de-Efgh bla bla fasel'), 1)
I.index_object(Mock('en', text=u'asdf abc de-Efgh bla bla fasel'), 2)
I.index_object(Mock('en', text=u'asdf abc'), 3)
lexicon = I.getLexicon()
self._test(I, u'abc.de-Efgh', 'en', (1, 2), 'text')
# Test with a more complex query
self._test(I, u'sth OR abc.de-Efgh', 'en', (1, 2), 'text')
# Test with a "not" query
self._test(I, u'asdf AND NOT abc.de-Efgh', 'en', (3,), 'text')
def testIndexAndUnindex(self):
I = Index(fields=('text','author'), languages=('de', 'fr', 'en'))
I.index_object(Mock('de', text=unicode(de1, 'iso-8859-15'), author=u'Andreas Jung'), 1)
I.index_object(Mock('de', text=unicode(de2, 'iso-8859-15'), author=u'Andrea Jung'), 2)
I.index_object(Mock('de', text=unicode(de3, 'iso-8859-15'), author=u'der Nasbär'), 3)
self._test(I, u'andreas jung', 'de', (1,), 'author')
I.unindex_object(1)
I.unindex_object(2)
I.unindex_object(3)
I.unindex_object(9999)
self._test(I, u'andreas jung', 'de', (), 'author')
I.index_object(Mock('de', text=unicode(de1, 'iso-8859-15'), author=u'Andreas Jung'), 1)
self._test(I, u'andreas jung', 'de', (1,), 'author')
self._test(I, u'andreas jung', 'de', (), 'text')
self._test(I, u'das opfer wird', 'de', (1,), 'text')
I.index_object(Mock('de', text=unicode(de2, 'iso-8859-15'), author=u'Andrea Jung'), 1)
self._test(I, u'andrea jung', 'de', (1,), 'author')
def testSearchAllFields(self):
o1 = Mock('en', text=u'The quick brown fox', title=u'Fox')
o2 = Mock('en', text=u'Mary had a little lamb.', title=u'Quick Mary')
o3 = Mock('en', text=u'Pop goes the weasel!', title=u'Weasel')
I = Index(fields=('title', 'text'), languages=('en', ))
I.index_object(o1, 1)
I.index_object(o2, 2)
I.index_object(o3, 3)
res = I.search(u'quick')
self.assertEquals([2], list(res.getDocids()))
res = I.search(u'quick', search_all_fields=True)
self.assertEquals([1, 2], list(res.getDocids()))
self.assertRaises(ValueError,
I.search,
u'quick',
field='text',
search_all_fields=True)
def testSplitterOnQueryWithDefaultSplitter(self):
from zopyx.txng3.core.splitter import SplitterFactory
provideUtility(SplitterFactory,
zope.component.interfaces.IFactory,
name='txng.splitters.default')
I = Index(fields=('text', ),
languages=('en', ),
splitter_additional_chars='-',
splitter='txng.splitters.default')
I.index_object(Mock('en', text=u'asdf abc.de-Efgh bla bla fasel'), 1)
I.index_object(Mock('en', text=u'asdf abc de-Efgh bla bla fasel'), 2)
I.index_object(Mock('en', text=u'asdf abc'), 3)
lexicon = I.getLexicon()
self._test(I, u'abc.de-Efgh', 'en', (1, 2), 'text')
# Test with a more complex query
self._test(I, u'sth OR abc.de-Efgh', 'en', (1, 2), 'text')
# Test with a "not" query
self._test(I, u'asdf AND NOT abc.de-Efgh', 'en', (3, ), 'text')
def testMultipleFieldsMultipleLanguages(self):
I = Index(fields=('text','author'), languages=('de', 'fr', 'en'))
I.index_object(Mock('de', text=unicode(de1, 'iso-8859-15'), author=u'Andreas Jung'), 1)
I.index_object(Mock('de', text=unicode(de2, 'iso-8859-15'), author=u'Andrea Jung'), 2)
I.index_object(Mock('de', text=unicode(de3, 'iso-8859-15'), author=u'der Nasbär'), 3)
self._test(I, u'andreas jung', 'en', ())
self._test(I, u'andreas jung', 'de', ())
self._test(I, u'andreas jung', 'de', (1,), 'author')
self._test(I, u'jung andreas', 'de', (1,), 'author')
self._test(I, u'"jung andreas"', 'de', (), 'author')
self._test(I, u'"andreas jung"', 'de', (1,), 'author')
self._test(I, u'andrea jung', 'de', (2,), 'author')
self._test(I, u'andreas jung', 'de', (1,), 'author')
self._test(I, u'na*', 'de', (3,), 'author')
def testMultipleFieldsMultipleLanguages(self):
I = Index(fields=('text', 'author'), languages=('de', 'fr', 'en'))
I.index_object(
Mock('de',
text=unicode(de1, 'iso-8859-15'),
author=u'Andreas Jung'), 1)
I.index_object(
Mock('de', text=unicode(de2, 'iso-8859-15'),
author=u'Andrea Jung'), 2)
I.index_object(
Mock('de', text=unicode(de3, 'iso-8859-15'),
author=u'der Nasbär'), 3)
self._test(I, u'andreas jung', 'en', ())
self._test(I, u'andreas jung', 'de', ())
self._test(I, u'andreas jung', 'de', (1, ), 'author')
self._test(I, u'jung andreas', 'de', (1, ), 'author')
self._test(I, u'"jung andreas"', 'de', (), 'author')
self._test(I, u'"andreas jung"', 'de', (1, ), 'author')
self._test(I, u'andrea jung', 'de', (2, ), 'author')
self._test(I, u'andreas jung', 'de', (1, ), 'author')
self._test(I, u'na*', 'de', (3, ), 'author')
class TextIndexNG3(SimpleItem, PropertyManager):
implements(ITextIndexNG3, IPluggableIndex)
meta_type = 'TextIndexNG3'
default_encoding = 'iso-8859-15' # I think we don't need this anymore
management_page_charset = 'utf-8' # needed for several ZMI methods
manage_options = ( {'label' : 'Index', 'action': 'manage_workspace'},
{'label' : 'Vocabulary', 'action' : 'vocabularyform'},
{'label' : 'Test', 'action' : 'queryform'},
{'label' : 'Converters', 'action' : 'converters'},
{'label' : 'Thesaurus', 'action' : 'thesaurus'},
{'label' : 'Adapters', 'action' : 'adapters'},
) +\
SimpleItem.manage_options + \
PropertyManager.manage_options
query_options = ('query', 'encoding', 'parser', 'language', 'field',
'autoexpand', 'similarity_ratio', 'ranking',
'ranking_maxhits', 'thesaurus', 'search_all_fields')
def __init__(self, id, extra, caller):
self.id = id
self.title = id
# fields
fields = [id] # default
if get(extra, 'fields', []):
fields = get(extra, 'fields')
self.index = Index(
fields=fields,
lexicon=get(extra, 'lexicon', DEFAULT_LEXICON),
storage=get(extra, 'storage', DEFAULT_STORAGE),
splitter=get(extra, 'splitter', DEFAULT_SPLITTER),
autoexpand=get(extra, 'autoexpand', 'off'),
autoexpand_limit=get(extra, 'autoexpand_limit', 4),
query_parser=get(extra, 'query_parser', 'txng.parsers.en'),
use_stemmer=get(extra, 'use_stemmer', False),
languages=get(extra, 'languages', ('en', )),
use_stopwords=bool(get(extra, 'use_stopwords')),
default_encoding=get(extra, 'default_encoding', DEFAULT_ENCODING),
use_normalizer=bool(get(extra, 'use_normalizer')),
dedicated_storage=bool(get(extra, 'dedicated_storage')),
splitter_casefolding=bool(get(extra, 'splitter_casefolding',
True)),
splitter_additional_chars=get(extra, 'splitter_additional_chars',
DEFAULT_ADDITIONAL_CHARS),
index_unknown_languages=bool(
get(extra, 'index_unknown_languages', True)),
ranking=bool(get(extra, 'ranking')),
ranking_method=(get(extra, 'ranking_method', DEFAULT_RANKING)),
)
def clear(self):
""" clear the index """
self.index.clear()
def index_object(self, docid, obj, threshold=None):
result = self.index.index_object(obj, docid)
return int(result)
def unindex_object(self, docid):
self.index.unindex_object(docid)
return 1
def getIndexSourceNames(self):
""" return indexed fields """
return self.index.fields
def getIndexQueryNames(self):
""" Return queryable parameters """
return [self.id]
def indexSize(self):
return len(self.index.getLexicon())
def getEntryForObject(self, docid, default=None):
"""Get all information contained for 'docid'.
Returns a string representing a mapping field -> list of indexed words
for dedicated storages or a list of indexed words for shared storage.
"""
getWord = self.index.getLexicon().getWord
d = {}
for field in self.index.fields:
try:
wids = self.index.getStorage(field).getWordIdsForDocId(docid)
except StorageException:
wids = ()
words = [getWord(wid) for wid in wids]
d[field] = words
if not self.index.dedicated_storage:
return repr(d[self.index.fields[0]])
return repr(d)
def _apply_index(self, request, cid=''):
# parse the query options
record = parseIndexRequest(request, self.getId(), self.query_options)
if record.keys is None:
return None
# prepare query (must be unicode string)
query = record.keys[0]
if not isinstance(query, str):
query = str(query,
record.get('encoding', self.index.default_encoding),
'ignore')
if not query:
return None
# options
options = {}
for k in ('parser', 'language', 'field', 'autoexpand',
'similarity_ratio', 'thesaurus', 'ranking',
'ranking_maxhits', 'search_all_fields'):
v = getattr(record, k, marker)
if v is not marker:
options[k] = v
result = self.index.search(query, **options)
ranked_resultset = result.getRankedResults()
if ranked_resultset:
return ranked_resultset, self.id
else:
return result.getDocids(), self.id
def __len__(self):
return len(self.index)
numObjects = __len__
def manage_workspace(self, REQUEST):
""" redirect to manage since we can not override manage_workspace
through a Five browser view
"""
from zope.component import getMultiAdapter
view = getMultiAdapter((self, REQUEST), name='manageform')
return view()
def testReindex2(self):
I = Index(fields=('text',), languages=('de',))
I.index_object(Mock('de', text=u'foo bar'), 1)
I.index_object(Mock('de', text=u'foo'), 1)
self._test(I, u'bar', 'de', (), 'text')
self._test(I, u'foo', 'de', (1,), 'text')
def testReindex2(self):
I = Index(fields=('text', ), languages=('de', ))
I.index_object(Mock('de', text=u'foo bar'), 1)
I.index_object(Mock('de', text=u'foo'), 1)
self._test(I, u'bar', 'de', (), 'text')
self._test(I, u'foo', 'de', (1, ), 'text')
def testDE(self):
I = Index(fields=('text',), languages=('de', ), index_unknown_languages=False)
I.index_object(Mock('de', text=unicode(de1, 'iso-8859-15')), 1)
# this raises an exception because the index does not know about 'fr' or 'en'
self.assertRaises(ValueError, I.index_object, Mock('fr', text=unicode(fr1, 'iso-8859-15')), 4)
self.assertRaises(ValueError, I.index_object, Mock('en', text=unicode(en1, 'iso-8859-15')), 5)
class TingIndex(zope.catalog.text.TextIndex,
persistent.Persistent):
zope.interface.implements(
zope.index.interfaces.IInjection,
zope.index.interfaces.IStatistics,
zope.index.interfaces.IIndexSearch,
ITingIndex)
def __init__(self,
field_name=None,
interface=None,
field_callable=False,
use_stemmer=defaults['use_stemmer'],
dedicated_storage=defaults['dedicated_storage'],
ranking=defaults['ranking'],
use_normalizer=defaults['use_normalizer'],
languages=defaults['languages'],
use_stopwords=defaults['use_stopwords'],
autoexpand_limit=defaults['autoexpand_limit'],
splitter=defaults['splitter'],
index_unknown_languages=defaults['index_unknown_languages'],
query_parser=defaults['query_parser'],
lexicon=defaults['lexicon'],
splitter_additional_chars=defaults['splitter_add_chars'],
storage=defaults['storage'],
splitter_casefolding=defaults['splitter_casefolding'],
asIFSet=True):
if ranking:
util = createObject(storage)
if not IStorageWithTermFrequency.providedBy(util):
raise ValueError("This storage cannot be used for ranking")
if isinstance(field_name, basestring):
_fields = field_name.split(' ')
else:
_fields = field_name
zope.catalog.attribute.AttributeIndex.__init__(
self, _fields[0], interface, field_callable)
if len(_fields) < 2:
dedicated_storage = False
_default_fields = [_fields[0]]
self._index = Index(
fields=_fields,
languages=languages.split(' '),
use_stemmer=use_stemmer,
dedicated_storage=dedicated_storage,
ranking=ranking,
use_normalizer=use_normalizer,
use_stopwords=use_stopwords,
storage=storage,
autoexpand_limit=autoexpand_limit,
splitter=splitter,
lexicon=lexicon,
index_unknown_languages=index_unknown_languages,
query_parser=query_parser,
splitter_additional_chars=splitter_additional_chars,
splitter_casefolding=splitter_casefolding
)
self.languages=languages
self.use_stemmer=use_stemmer
self.dedicated_storage=dedicated_storage
self.ranking=ranking
self.use_normalizer=use_normalizer
self.use_stopwords=use_stopwords
self.interface = interface
self.storage=storage
self.autoexpand_limit=autoexpand_limit
self.default_fields=_default_fields
self._fields=_fields
self.splitter=splitter
self.lexicon=lexicon
self.index_unknown_languages=index_unknown_languages
self.query_parser=query_parser
self.splitter_additional_chars=splitter_additional_chars
self.splitter_casefolding=splitter_casefolding
self._asIFSet = asIFSet
def clear(self):
self._index.clear()
def documentCount(self):
"""See interface IStatistics
"""
return len(self._index.getStorage(self.default_fields[0]))
def wordCount(self):
"""See interface IStatistics
"""
return len(self._index.getLexicon())
def index_doc(self, docid, value):
"""See interface IInjection
"""
if value is not None:
self._index.index_object(value, docid)
def unindex_doc(self, docid):
"""See interface IInjection
"""
self._index.unindex_object(docid)
def apply(self, query):
kw = dict()
if isinstance(query, dict):
kw.update(query)
query = kw['query']
del kw['query']
res = self._index.search(query, **kw).getDocids()
if self._asIFSet:
return BTrees.IFBTree.IFSet(res)
return res
class TextIndexNG3(SimpleItem, PropertyManager):
implements(ITextIndexNG3, IPluggableIndex)
meta_type = 'TextIndexNG3'
default_encoding = 'iso-8859-15' # I think we don't need this anymore
management_page_charset = 'utf-8' # needed for several ZMI methods
manage_options = ( {'label' : 'Index', 'action': 'manage_workspace'},
{'label' : 'Vocabulary', 'action' : 'vocabularyform'},
{'label' : 'Test', 'action' : 'queryform'},
{'label' : 'Converters', 'action' : 'converters'},
{'label' : 'Thesaurus', 'action' : 'thesaurus'},
{'label' : 'Adapters', 'action' : 'adapters'},
) +\
SimpleItem.manage_options + \
PropertyManager.manage_options
query_options = ('query', 'encoding', 'parser', 'language', 'field',
'autoexpand', 'similarity_ratio',
'ranking', 'ranking_maxhits', 'thesaurus',
'search_all_fields')
def __init__(self, id, extra, caller):
self.id = id
self.title = id
# fields
fields = [id] # default
if get(extra, 'fields', []):
fields = get(extra, 'fields')
self.index = Index(fields=fields,
lexicon=get(extra, 'lexicon', DEFAULT_LEXICON),
storage=get(extra, 'storage', DEFAULT_STORAGE),
splitter=get(extra, 'splitter', DEFAULT_SPLITTER),
autoexpand=get(extra, 'autoexpand', 'off'),
autoexpand_limit=get(extra, 'autoexpand_limit', 4),
query_parser=get(extra, 'query_parser', 'txng.parsers.en'),
use_stemmer=get(extra, 'use_stemmer', False),
languages=get(extra, 'languages', ('en',)),
use_stopwords=bool(get(extra, 'use_stopwords')),
default_encoding=get(extra, 'default_encoding', DEFAULT_ENCODING),
use_normalizer=bool(get(extra, 'use_normalizer')),
dedicated_storage=bool(get(extra, 'dedicated_storage')),
splitter_casefolding=bool(get(extra, 'splitter_casefolding', True)),
splitter_additional_chars=get(extra, 'splitter_additional_chars', DEFAULT_ADDITIONAL_CHARS),
index_unknown_languages=bool(get(extra, 'index_unknown_languages', True)),
ranking=bool(get(extra, 'ranking')),
ranking_method=(get(extra, 'ranking_method', DEFAULT_RANKING)),
)
def clear(self):
""" clear the index """
self.index.clear()
def index_object(self, docid, obj, threshold=None):
result = self.index.index_object(obj, docid)
return int(result)
def unindex_object(self, docid):
self.index.unindex_object(docid)
return 1
def getIndexSourceNames(self):
""" return indexed fields """
return self.index.fields
def indexSize(self):
return len(self.index.getLexicon())
def getEntryForObject(self, docid, default=None):
"""Get all information contained for 'docid'.
Returns a string representing a mapping field -> list of indexed words
for dedicated storages or a list of indexed words for shared storage.
"""
getWord = self.index.getLexicon().getWord
d = {}
for field in self.index.fields:
try:
wids = self.index.getStorage(field).getWordIdsForDocId(docid)
except StorageException:
wids = ()
words = [getWord(wid) for wid in wids]
d[field] = words
if not self.index.dedicated_storage:
return repr(d[self.index.fields[0]])
return repr(d)
def _apply_index(self, request, cid=''):
# parse the query options
record = parseIndexRequest(request, self.getId(), self.query_options)
if record.keys is None:
return None
# prepare query (must be unicode string)
query = record.keys[0]
if not isinstance(query, unicode):
query = unicode(query, record.get('encoding', self.index.default_encoding), 'ignore')
if not query:
return None
# options
options = {}
for k in ('parser', 'language', 'field', 'autoexpand',
'similarity_ratio', 'thesaurus', 'ranking',
'ranking_maxhits', 'search_all_fields'):
v = getattr(record, k, marker)
if v is not marker:
options[k] = v
result = self.index.search(query, **options)
ranked_resultset = result.getRankedResults()
if ranked_resultset:
return ranked_resultset, self.id
else:
return result.getDocids(), self.id
def __len__(self):
return len(self.index)
numObjects = __len__
def manage_workspace(self, REQUEST):
""" redirect to manage since we can not override manage_workspace
through a Five browser view
"""
from zope.component import getMultiAdapter
view = getMultiAdapter((self, REQUEST), name='manageform')
return view()
class TingIndex(zope.catalog.text.TextIndex, persistent.Persistent):
zope.interface.implements(zope.index.interfaces.IInjection,
zope.index.interfaces.IStatistics,
zope.index.interfaces.IIndexSearch, ITingIndex)
def __init__(self,
field_name=None,
interface=None,
field_callable=False,
use_stemmer=defaults['use_stemmer'],
dedicated_storage=defaults['dedicated_storage'],
ranking=defaults['ranking'],
use_normalizer=defaults['use_normalizer'],
languages=defaults['languages'],
use_stopwords=defaults['use_stopwords'],
autoexpand_limit=defaults['autoexpand_limit'],
splitter=defaults['splitter'],
index_unknown_languages=defaults['index_unknown_languages'],
query_parser=defaults['query_parser'],
lexicon=defaults['lexicon'],
splitter_additional_chars=defaults['splitter_add_chars'],
storage=defaults['storage'],
splitter_casefolding=defaults['splitter_casefolding'],
asIFSet=True):
if ranking:
util = createObject(storage)
if not IStorageWithTermFrequency.providedBy(util):
raise ValueError("This storage cannot be used for ranking")
if isinstance(field_name, basestring):
_fields = field_name.split(' ')
else:
_fields = field_name
zope.catalog.attribute.AttributeIndex.__init__(self, _fields[0],
interface,
field_callable)
if len(_fields) < 2:
dedicated_storage = False
_default_fields = [_fields[0]]
self._index = Index(
fields=_fields,
languages=languages.split(' '),
use_stemmer=use_stemmer,
dedicated_storage=dedicated_storage,
ranking=ranking,
use_normalizer=use_normalizer,
use_stopwords=use_stopwords,
storage=storage,
autoexpand_limit=autoexpand_limit,
splitter=splitter,
lexicon=lexicon,
index_unknown_languages=index_unknown_languages,
query_parser=query_parser,
splitter_additional_chars=splitter_additional_chars,
splitter_casefolding=splitter_casefolding)
self.languages = languages
self.use_stemmer = use_stemmer
self.dedicated_storage = dedicated_storage
self.ranking = ranking
self.use_normalizer = use_normalizer
self.use_stopwords = use_stopwords
self.interface = interface
self.storage = storage
self.autoexpand_limit = autoexpand_limit
self.default_fields = _default_fields
self._fields = _fields
self.splitter = splitter
self.lexicon = lexicon
self.index_unknown_languages = index_unknown_languages
self.query_parser = query_parser
self.splitter_additional_chars = splitter_additional_chars
self.splitter_casefolding = splitter_casefolding
self._asIFSet = asIFSet
def clear(self):
self._index.clear()
def documentCount(self):
"""See interface IStatistics
"""
return len(self._index.getStorage(self.default_fields[0]))
def wordCount(self):
"""See interface IStatistics
"""
return len(self._index.getLexicon())
def index_doc(self, docid, value):
"""See interface IInjection
"""
if value is not None:
self._index.index_object(value, docid)
def unindex_doc(self, docid):
"""See interface IInjection
"""
self._index.unindex_object(docid)
def apply(self, query):
kw = dict()
if isinstance(query, dict):
kw.update(query)
query = kw['query']
del kw['query']
res = self._index.search(query, **kw).getDocids()
if self._asIFSet:
return BTrees.IFBTree.IFSet(res)
return res
