NumericField, Version, Document, JavaError, IndexSearcher, \
QueryParser, PerFieldAnalyzerWrapper, \
SimpleAnalyzer, PolishAnalyzer, ArrayList, \
- KeywordAnalyzer, NumericRangeQuery, BooleanQuery, \
+ KeywordAnalyzer, NumericRangeQuery, NumericRangeFilter, BooleanQuery, \
BlockJoinQuery, BlockJoinCollector, Filter, TermsFilter, ChainedFilter, \
HashSet, BooleanClause, Term, CharTermAttribute, \
PhraseQuery, MultiPhraseQuery, StringReader, TermQuery, \
self.addAnalyzer("source_url", keyword)
self.addAnalyzer("source_name", simple)
self.addAnalyzer("publisher", simple)
- self.addAnalyzer("author", simple)
+ self.addAnalyzer("authors", simple)
self.addAnalyzer("is_book", keyword)
+ # shouldn't the title have two forms? _pl and simple?
self.addAnalyzer("themes", simple)
self.addAnalyzer("themes_pl", polish)
self.addAnalyzer("tag_name", simple)
self.addAnalyzer("tag_name_pl", polish)
+ self.addAnalyzer("translators", simple)
+
self.addAnalyzer("KEYWORD", keyword)
self.addAnalyzer("SIMPLE", simple)
self.addAnalyzer("POLISH", polish)
self.file.write(txt)
pos = (self.position, l)
self.position += l
- print "Snip<%s>%s</s>" %(pos, txt)
return pos
def get(self, pos):
self.file.seek(pos[0], 0)
txt = self.file.read(pos[1]).decode('utf-8')
- print "got from snippets %d bytes from %s:" % (len(txt), pos)
return txt
def close(self):
q = NumericRangeQuery.newIntRange("book_id", book.id, book.id, True, True)
self.index.deleteDocuments(q)
- def index_book(self, book, overwrite=True):
+ def index_book(self, book, book_info=None, overwrite=True):
if overwrite:
self.remove_book(book)
book_doc = self.create_book_doc(book)
- meta_fields = self.extract_metadata(book)
+ meta_fields = self.extract_metadata(book, book_info)
for f in meta_fields.values():
if isinstance(f, list) or isinstance(f, tuple):
for elem in f:
self.index.addDocument(book_doc)
del book_doc
- self.index_content(book, book_fields=[meta_fields['title'], meta_fields['author']])
+ self.index_content(book, book_fields=[meta_fields['title'], meta_fields['authors']])
master_tags = [
'opowiadanie',
doc.add(NumericField("parent_id", Field.Store.YES, True).setIntValue(book.parent.id))
return doc
- def extract_metadata(self, book):
+ def extract_metadata(self, book, book_info=None):
fields = {}
- book_info = dcparser.parse(book.xml_file)
- print("extract metadata for book %s id=%d, thread%d" % (book.slug, book.id, current_thread().ident))
+ if book_info is None:
+ book_info = dcparser.parse(open(book.xml_file.path))
fields['slug'] = Field("slug", book.slug, Field.Store.NO, Field.Index.ANALYZED_NO_NORMS)
fields['tags'] = self.add_gaps([Field("tags", t.name, Field.Store.NO, Field.Index.ANALYZED) for t in book.tags], 'tags')
dt = getattr(book_info, field.name)
fields[field.name] = Field(field.name, "%04d%02d%02d" %\
(dt.year, dt.month, dt.day), Field.Store.NO, Field.Index.NOT_ANALYZED)
+
return fields
def get_master(self, root):
return reduce(lambda a, b: a + b, zip(fields, gap()))[0:-1]
def index_content(self, book, book_fields=[]):
- wld = WLDocument.from_file(book.xml_file.path)
+ wld = WLDocument.from_file(book.xml_file.path, parse_dublincore=False)
root = wld.edoc.getroot()
master = self.get_master(root)
return
def fix_format(text):
- return re.sub("/$", "", text, flags=re.M)
+ return re.sub("(?m)/$", "", text)
def add_part(snippets, **fields):
doc = self.create_book_doc(book)
return doc
+ def give_me_utf8(s):
+ if isinstance(s, unicode):
+ return s.encode('utf-8')
+ else:
+ return s
+
+
fragments = {}
snippets = Snippets(book.id).open('w')
try:
fragments[fid]['content'].append(start.tail)
elif start is not None and start.tag == 'motyw':
fid = start.attrib['id'][1:]
- fragments[fid]['themes'].append(start.text)
+ if start.text is not None:
+ fragments[fid]['themes'] += map(str.strip, map(give_me_utf8, start.text.split(',')))
fragments[fid]['content'].append(start.tail)
elif start is not None and start.tag == 'end':
fid = start.attrib['id'][1:]
if fid not in fragments:
continue # a broken <end> node, skip it
frag = fragments[fid]
+ if frag['themes'] == []:
+ continue # empty themes list.
del fragments[fid]
def jstr(l):
if you cannot rely on atexit, use ReusableIndex.close_reusable() yourself.
"""
index = None
- pool = None
- pool_jobs = None
def open(self, analyzer=None, threads=4):
if ReusableIndex.index is not None:
self.index = ReusableIndex.index
else:
print("opening index")
- ReusableIndex.pool = ThreadPool(threads, initializer=lambda: JVM.attachCurrentThread() )
- ReusableIndex.pool_jobs = []
Index.open(self, analyzer)
ReusableIndex.index = self.index
atexit.register(ReusableIndex.close_reusable)
- def index_book(self, *args, **kw):
- job = ReusableIndex.pool.apply_async(log_exception_wrapper(Index.index_book), (self,) + args, kw)
- ReusableIndex.pool_jobs.append(job)
+ # def index_book(self, *args, **kw):
+ # job = ReusableIndex.pool.apply_async(log_exception_wrapper(Index.index_book), (self,) + args, kw)
+ # ReusableIndex.pool_jobs.append(job)
@staticmethod
def close_reusable():
if ReusableIndex.index is not None:
- print("wait for indexing to finish")
- for job in ReusableIndex.pool_jobs:
- job.get()
- sys.stdout.write('.')
- sys.stdout.flush()
- print("done.")
- ReusableIndex.pool.close()
-
ReusableIndex.index.optimize()
ReusableIndex.index.close()
ReusableIndex.index = None
bks.append(catalogue.models.Book.objects.get(id=doc.get("book_id")))
return (bks, tops.totalHits)
+
def search(self, query, max_results=50):
query = self.query(query)
query = self.wrapjoins(query, ["content", "themes"])
book = property(get_book)
- def get_parts(self):
- book = self.book
+ def process_hits(self):
+ frags = filter(lambda r: r[1] is not None, self.hits)
+ sect = filter(lambda r: r[1] is None, self.hits)
+ sect = filter(lambda s: 0 == len(filter(
+ lambda f: s[0][1] >= f[0][1] and s[0][1] < f[0][1] + f[0][2],
+ frags)), sect)
- def sections_covered(results):
- frags = filter(lambda r: r[1] is not None, results)
- sect = filter(lambda r: r[1] is None, results)
- sect = filter(lambda s: 0 == len(filter(
- lambda f: s[0][1] >= f[0][1] and s[0][1] < f[0][1] + f[0][2],
- frags)), sect)
- print "filtered, non overlapped sections: %s" % sect
- return frags + sect
+ hits = []
- parts = [{"header": s[0], "position": s[1], '_score_key': s} for s in self.sections] \
- + [{"fragment": book.fragments.get(anchor=f), '_score_key':f} for f in self.fragments]
+ for s in sect:
+ m = {'score': s[2],
+ 'header_index': s[0][1]
+ }
+ m.update(s[3])
+ hits.append(m)
- parts.sort(lambda a, b: cmp(self.scores[a['_score_key']], self.scores[b['_score_key']]))
- print("bookid: %d parts: %s" % (self.book_id, parts))
- return parts
+ for f in frags:
+ frag = catalogue.models.Fragment.objects.get(anchor=f[1])
+ m = {'score': f[2],
+ 'fragment': frag,
+ 'themes': frag.tags.filter(category='theme')
+ }
+ m.update(f[3])
+ hits.append(m)
- parts = property(get_parts)
+ hits.sort(lambda a, b: cmp(a['score'], b['score']), reverse=True)
+
+ print("--- %s" % hits)
+
+ return hits
def __unicode__(self):
return u'SearchResult(book_id=%d, score=%d)' % (self.book_id, self.score)
self.search = search
self.book_tags = {}
self.part_tags = []
- self.book = None
+ self._books = []
- def book(self, book):
- self.book = book
+ def books(self, *books):
+ self._books = books
def tags(self, tags):
for t in tags:
return None
def part_filter(self):
+ fs = []
if self.part_tags:
- return self.tag_filter(self.part_tags, field='themes')
- else:
- return None
+ fs.append(self.tag_filter(self.part_tags, field='themes'))
+
+ if self._books != []:
+ bf = BooleanFilter()
+ for b in self._books:
+ id_filter = NumericRangeFilter.newIntRange('book_id', b.id, b.id, True, True)
+ bf.add(FilterClause(id_filter, BooleanClause.Occur.SHOULD))
+ fs.append(bf)
+
+ return MultiSearch.chain_filters(fs)
def should_search_for_book(self):
- return self.book is None
+ return self._books == []
def just_search_in(self, all):
"""Holds logic to figure out which indexes should be search, when we have some hinst already"""
some = []
for field in all:
- if field == 'author' and 'author' in self.book_tags:
+ if field == 'authors' and 'author' in self.book_tags:
continue
- if field == 'title' and self.book is not None:
+ if field == 'title' and self._books != []:
continue
if (field == 'themes' or field == 'themes_pl') and self.part_tags:
continue
q.add(BooleanClause(term, modal))
return q
- def content_query(self, query):
- return BlockJoinQuery(query, self.parent_filter,
- BlockJoinQuery.ScoreMode.Total)
+ # def content_query(self, query):
+ # return BlockJoinQuery(query, self.parent_filter,
+ # BlockJoinQuery.ScoreMode.Total)
def search_perfect_book(self, searched, max_results=20, fuzzy=False, hint=None):
- fields_to_search = ['author', 'title']
+ fields_to_search = ['authors', 'title']
only_in = None
if hint:
if not hint.should_search_for_book():
tokens = self.get_tokens(searched)
if hint is None or hint.just_search_in(['themes_pl']) != []:
- q.add(BooleanClause(self.make_term_query(tokens, field='themes_pl', fuzzy=fuzzy), BooleanClause.Occur.MUST))
+ q.add(BooleanClause(self.make_term_query(tokens, field='themes_pl',
+ fuzzy=fuzzy), BooleanClause.Occur.MUST))
- q.add(BooleanClause(self.make_term_query(tokens, field='content', fuzzy=fuzzy), BooleanClause.Occur.SHOULD))
+ q.add(BooleanClause(self.make_term_query(tokens, field='content',
+ fuzzy=fuzzy), BooleanClause.Occur.SHOULD))
topDocs = self.searcher.search(q, only_in, max_results)
for found in topDocs.scoreDocs:
books.append(SearchResult(self.searcher, found))
- # joined query themes/content x author/title/epochs/genres/kinds
- # q = BooleanQuery()
- # in_meta = BooleanQuery()
- # in_content = BooleanQuery()
-
- # for fld in ['themes', 'content']:
- # in_content.add(BooleanClause(self.make_term_query(tokens, field=fld, fuzzy=False), BooleanClause.Occur.SHOULD))
-
- # in_meta.add(BooleanClause(self.make_term_query(
- # self.get_tokens(searched, field='author'), field='author', fuzzy=fuzzy), BooleanClause.Occur.SHOULD))
-
- # for fld in ['title', 'epochs', 'genres', 'kinds']:
- # in_meta.add(BooleanClause(self.make_term_query(tokens, field=fld, fuzzy=fuzzy), BooleanClause.Occur.SHOULD))
+ # query themes/content x author/title/tags
+ q = BooleanQuery()
+ # in_meta = BooleanQuery()
+ in_content = BooleanQuery()
- # q.add(BooleanClause(in_meta, BooleanClause.Occur.MUST))
- # in_content_join = self.content_query(in_content)
- # q.add(BooleanClause(in_content_join, BooleanClause.Occur.MUST))
- # # import pdb; pdb.set_trace()
- # collector = BlockJoinCollector(Sort.RELEVANCE, 100, True, True)
+ for fld in ['themes', 'content', 'tags', 'authors', 'title']:
+ in_content.add(BooleanClause(self.make_term_query(tokens, field=fld, fuzzy=False), BooleanClause.Occur.SHOULD))
- # self.searcher.search(q, collector)
+ topDocs = self.searcher.search(q, only_in, max_results)
+ for found in topDocs.scoreDocs:
+ books.append(SearchResult(self.searcher, found))
- # top_groups = collector.getTopGroups(in_content_join, Sort.RELEVANCE, 0, max_results, 0, True)
- # if top_groups:
- # for grp in top_groups.groups:
- # for part in grp.scoreDocs:
- # books.append(SearchResult(self.searcher, part, score=grp.maxScore))
return books
def multisearch(self, query, max_results=50):
Search strategy:
- (phrase) OR -> content
-> title
- -> author
- - (keywords) -> author
+ -> authors
+ - (keywords) -> authors
-> motyw
-> tags
-> content
# highlighter.getBestTextFragments(tokenStream, text, False, 10)
# import pdb; pdb.set_trace()
snip = highlighter.getBestFragments(tokenStream, text, 3, "...")
- print('snips: %s' % snip)
return [snip]
return tags
+ def search_books(self, query, filter=None, max_results=10):
+ bks = []
+ tops = self.searcher.search(query, filter, max_results)
+ for found in tops.scoreDocs:
+ doc = self.searcher.doc(found.doc)
+ bks.append(catalogue.models.Book.objects.get(id=doc.get("book_id")))
+ return bks
+
def create_prefix_phrase(self, toks, field):
q = MultiPhraseQuery()
for i in range(len(toks)):
fnp / wolnelektury.git / blobdiff