X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/01d7c5f6d52a56a9800ea7eccfeb25762261813d..3768325f42689394f4639ff92e3cc483670c0d17:/apps/search/index.py diff --git a/apps/search/index.py b/apps/search/index.py index 47583ec32..dc33575bc 100644 --- a/apps/search/index.py +++ b/apps/search/index.py @@ -1,7 +1,7 @@ # -*- coding: utf-8 -*- from django.conf import settings -from lucene import SimpleFSDirectory, IndexWriter, CheckIndex, \ +from lucene import SimpleFSDirectory, IndexWriter, IndexWriterConfig, CheckIndex, \ File, Field, Integer, \ NumericField, Version, Document, JavaError, IndexSearcher, \ QueryParser, PerFieldAnalyzerWrapper, \ @@ -27,7 +27,7 @@ from librarian import dcparser from librarian.parser import WLDocument from lxml import etree import catalogue.models -from pdcounter.models import Author as PDCounterAuthor +from pdcounter.models import Author as PDCounterAuthor, BookStub as PDCounterBook from multiprocessing.pool import ThreadPool from threading import current_thread import atexit @@ -169,11 +169,13 @@ class BaseIndex(IndexStore): analyzer = WLAnalyzer() self.analyzer = analyzer - def open(self, analyzer=None): + def open(self, timeout=None): if self.index: raise Exception("Index is already opened") - self.index = IndexWriter(self.store, self.analyzer,\ - IndexWriter.MaxFieldLength.LIMITED) + conf = IndexWriterConfig(Version.LUCENE_34, self.analyzer) + if timeout: + conf.setWriteLockTimeout(long(timeout)) + self.index = IndexWriter(self.store, conf) return self.index def optimize(self): @@ -225,7 +227,16 @@ class Index(BaseIndex): doc.add(NumericField("tag_id", Field.Store.YES, True).setIntValue(int(pdtag.id))) doc.add(Field("tag_name", pdtag.name, Field.Store.NO, Field.Index.ANALYZED)) doc.add(Field("tag_name_pl", pdtag.name, Field.Store.NO, Field.Index.ANALYZED)) - doc.add(Field("tag_category", 'pdcounter', Field.Store.NO, Field.Index.NOT_ANALYZED)) + doc.add(Field("tag_category", 'pd_author', Field.Store.YES, Field.Index.NOT_ANALYZED)) + doc.add(Field("is_pdcounter", 'true', Field.Store.YES, Field.Index.NOT_ANALYZED)) + self.index.addDocument(doc) + + for pdtag in PDCounterBook.objects.all(): + doc = Document() + doc.add(NumericField("tag_id", Field.Store.YES, True).setIntValue(int(pdtag.id))) + doc.add(Field("tag_name", pdtag.title, Field.Store.NO, Field.Index.ANALYZED)) + doc.add(Field("tag_name_pl", pdtag.title, Field.Store.NO, Field.Index.ANALYZED)) + doc.add(Field("tag_category", 'pd_book', Field.Store.YES, Field.Index.NOT_ANALYZED)) doc.add(Field("is_pdcounter", 'true', Field.Store.YES, Field.Index.NOT_ANALYZED)) self.index.addDocument(doc) @@ -262,7 +273,6 @@ class Index(BaseIndex): book_doc.add(elem) else: book_doc.add(f) - self.index.addDocument(book_doc) del book_doc @@ -331,11 +341,13 @@ class Index(BaseIndex): (dt.year, dt.month, dt.day), Field.Store.NO, Field.Index.NOT_ANALYZED) # get published date - source = book_info.source_name - if hasattr(book_info, 'source_name'): - match = self.published_date_re.search(source) + pd = None + if hasattr(book_info, 'source_name') and book_info.source_name: + match = self.published_date_re.search(book_info.source_name) if match is not None: - fields["published_date"] = Field("published_date", str(match.groups()[0]), Field.Store.YES, Field.Index.NOT_ANALYZED) + pd = str(match.groups()[0]) + if not pd: pd = "" + fields["published_date"] = Field("published_date", pd, Field.Store.YES, Field.Index.NOT_ANALYZED) return fields @@ -370,11 +382,18 @@ class Index(BaseIndex): return [] def walker(node, ignore_tags=[]): - yield node, None - for child in filter(lambda n: n.tag not in ignore_tags, list(node)): - for b, e in walker(child): - yield b, e - yield None, node + + if node.tag not in ignore_tags: + yield node, None, None + if node.text is not None: + yield None, node.text, None + for child in list(node): + for b, t, e in walker(child): + yield b, t, e + yield None, None, node + + if node.tail is not None: + yield None, node.tail, None return def fix_format(text): @@ -446,35 +465,50 @@ class Index(BaseIndex): # section content content = [] - footnote = None + footnote = [] - for start, end in walker(header, ignore_tags=self.ignore_content_tags): - # handle footnotes - # if start is not None and start.tag in self.footnote_tags: - # footnote = ' '.join(start.itertext()) - # elif end is not None and footnote is not None and end.tag in self.footnote_tags: - # doc = add_part(snippets, header_index=position, header_type=header.tag, - # content=footnote) + def all_content(text): + for frag in fragments.values(): + frag['content'].append(text) + content.append(text) + handle_text = [all_content] - # self.index.addDocument(doc) - - # footnote = None + for start, text, end in walker(header, ignore_tags=self.ignore_content_tags): + # handle footnotes + if start is not None and start.tag in self.footnote_tags: + footnote = [] + def collect_footnote(t): + footnote.append(t) + handle_text.append(collect_footnote) + elif end is not None and footnote is not [] and end.tag in self.footnote_tags: + handle_text.pop() + doc = add_part(snippets, header_index=position, header_type=header.tag, + content=u''.join(footnote), + is_footnote=Field("is_footnote", 'true', Field.Store.NO, Field.Index.NOT_ANALYZED)) + + self.index.addDocument(doc) + #print "@ footnote text: %s" % footnote + footnote = [] + # handle fragments and themes. if start is not None and start.tag == 'begin': fid = start.attrib['id'][1:] fragments[fid] = {'content': [], 'themes': [], 'start_section': position, 'start_header': header.tag} + # themes for this fragment elif start is not None and start.tag == 'motyw': fid = start.attrib['id'][1:] + handle_text.append(None) if start.text is not None: fragments[fid]['themes'] += map(str.strip, map(give_me_utf8, start.text.split(','))) + elif end is not None and end.tag == 'motyw': + handle_text.pop() elif start is not None and start.tag == 'end': fid = start.attrib['id'][1:] if fid not in fragments: continue # a broken node, skip it - # import pdb; pdb.set_trace() frag = fragments[fid] if frag['themes'] == []: continue # empty themes list. @@ -487,22 +521,20 @@ class Index(BaseIndex): fragment_anchor=fid, content=fix_format(frag['content']), themes=frag['themes']) - + #print '@ FRAG %s' % frag['content'] self.index.addDocument(doc) # Collect content. - elif start is not None: - for frag in fragments.values(): - frag['content'].append(start.text) - content.append(start.text) - elif end is not None: - for frag in fragments.values(): - frag['content'].append(end.tail) - content.append(end.tail) + + if text is not None and handle_text is not []: + hdl = handle_text[-1] + if hdl is not None: + hdl(text) # in the end, add a section text. doc = add_part(snippets, header_index=position, header_type=header.tag, content=fix_format(content)) + #print '@ CONTENT: %s' % fix_format(content) self.index.addDocument(doc) @@ -531,12 +563,12 @@ class ReusableIndex(Index): """ index = None - def open(self, analyzer=None, threads=4): - if ReusableIndex.index is not None: + def open(self, analyzer=None, **kw): + if ReusableIndex.index: self.index = ReusableIndex.index else: print("opening index") - Index.open(self, analyzer) + Index.open(self, analyzer, **kw) ReusableIndex.index = self.index atexit.register(ReusableIndex.close_reusable) @@ -546,13 +578,15 @@ class ReusableIndex(Index): @staticmethod def close_reusable(): - if ReusableIndex.index is not None: + if ReusableIndex.index: + print("closing index") ReusableIndex.index.optimize() ReusableIndex.index.close() ReusableIndex.index = None def close(self): - pass + if ReusableIndex.index: + ReusableIndex.index.commit() class JoinSearch(object): @@ -616,9 +650,10 @@ class SearchResult(object): self.book_id = int(stored.get("book_id")) pd = stored.get("published_date") - if pd is None: - pd = 0 - self.published_date = int(pd) + try: + self.published_date = int(pd) + except ValueError: + self.published_date = 0 header_type = stored.get("header_type") # we have a content hit in some header of fragment @@ -708,7 +743,7 @@ class SearchResult(object): for f in frags: try: - frag = catalogue.models.Fragment.objects.get(anchor=f[FRAGMENT]) + frag = catalogue.models.Fragment.objects.get(anchor=f[FRAGMENT], book__id=self.book_id) except catalogue.models.Fragment.DoesNotExist: # stale index continue @@ -1188,17 +1223,25 @@ class Search(IndexStore): if position is None or length is None: return None # locate content. - snippets = Snippets(stored.get('book_id')).open() + book_id = int(stored.get('book_id')) + snippets = Snippets(book_id).open() try: - text = snippets.get((int(position), - int(length))) - finally: - snippets.close() + try: + text = snippets.get((int(position), + int(length))) + finally: + snippets.close() - tokenStream = TokenSources.getAnyTokenStream(self.searcher.getIndexReader(), scoreDoc.doc, field, self.analyzer) - # highlighter.getBestTextFragments(tokenStream, text, False, 10) - snip = highlighter.getBestFragments(tokenStream, text, 3, "...") + tokenStream = TokenSources.getAnyTokenStream(self.searcher.getIndexReader(), scoreDoc.doc, field, self.analyzer) + # highlighter.getBestTextFragments(tokenStream, text, False, 10) + snip = highlighter.getBestFragments(tokenStream, text, 3, "...") + except Exception, e: + e2 = e + if hasattr(e, 'getJavaException'): + e2 = unicode(e.getJavaException()) + raise Exception("Problem fetching snippets for book %d, @%d len=%d" % (book_id, int(position), int(length)), + e2) return snip @staticmethod @@ -1230,8 +1273,15 @@ class Search(IndexStore): for found in tops.scoreDocs: doc = self.searcher.doc(found.doc) is_pdcounter = doc.get('is_pdcounter') - if is_pdcounter: - tag = PDCounterAuthor.objects.get(id=doc.get('tag_id')) + category = doc.get('tag_category') + if is_pdcounter == 'true': + if category == 'pd_author': + tag = PDCounterAuthor.objects.get(id=doc.get('tag_id')) + elif category == 'pd_book': + tag = PDCounterBook.objects.get(id=doc.get('tag_id')) + tag.category = 'pd_book' # make it look more lik a tag. + else: + print "Warning. cannot get pdcounter tag_id=%d from db; cat=%s" % (int(doc.get('tag_id')), category) else: tag = catalogue.models.Tag.objects.get(id=doc.get("tag_id")) # don't add the pdcounter tag if same tag already exists @@ -1278,7 +1328,7 @@ class Search(IndexStore): return only_term - def hint_tags(self, string, max_results=50, pdcounter=True, prefix=True): + def hint_tags(self, string, max_results=50, pdcounter=True, prefix=True, fuzzy=False): """ Return auto-complete hints for tags using prefix search. @@ -1290,14 +1340,14 @@ class Search(IndexStore): if prefix: q = self.make_prefix_phrase(toks, field) else: - q = self.make_term_query(toks, field) + q = self.make_term_query(toks, field, fuzzy=fuzzy) top.add(BooleanClause(q, BooleanClause.Occur.SHOULD)) no_book_cat = self.term_filter(Term("tag_category", "book"), inverse=True) return self.search_tags(top, no_book_cat, max_results=max_results, pdcounter=pdcounter) - def hint_books(self, string, max_results=50, prefix=True): + def hint_books(self, string, max_results=50, prefix=True, fuzzy=False): """ Returns auto-complete hints for book titles Because we do not index 'pseudo' title-tags. @@ -1308,7 +1358,7 @@ class Search(IndexStore): if prefix: q = self.make_prefix_phrase(toks, 'title') else: - q = self.make_term_query(toks, 'title') + q = self.make_term_query(toks, 'title', fuzzy=fuzzy) return self.search_books(q, self.term_filter(Term("is_book", "true")), max_results=max_results)