log = logging.getLogger('search')
+if os.path.isfile(settings.SOLR_STOPWORDS):
+ stopwords = set(
+ line.decode('utf-8').strip()
+ for line in open(settings.SOLR_STOPWORDS) if not line.startswith('#'))
+else:
+ stopwords = set()
+
class SolrIndex(object):
def __init__(self, mode=None):
self.remove_book(book, remove_snippets=False)
book_doc = self.create_book_doc(book)
- meta_fields = self.extract_metadata(book, book_info, dc_only=['source_name', 'authors', 'translators', 'title'])
+ meta_fields = self.extract_metadata(book, book_info, dc_only=[
+ 'source_name', 'authors', 'translators', 'title', 'epochs', 'kinds', 'genres'])
# let's not index it - it's only used for extracting publish date
if 'source_name' in meta_fields:
del meta_fields['source_name']
'published_date': meta_fields['published_date']
}
- if 'translators' in meta_fields:
- book_fields['translators'] = meta_fields['translators']
+ for tag_name in ('translators', 'epochs', 'kinds', 'genres'):
+ if tag_name in meta_fields:
+ book_fields[tag_name] = meta_fields[tag_name]
self.index_content(book, book_fields=book_fields)
'dramat_wierszowany_lp',
'dramat_wspolczesny', 'liryka_l', 'liryka_lp',
'wywiad',
- ]
+ ]
ignore_content_tags = [
- 'uwaga', 'extra',
+ 'uwaga', 'extra', 'nota_red', 'abstrakt',
'zastepnik_tekstu', 'sekcja_asterysk', 'separator_linia', 'zastepnik_wersu',
'didaskalia',
'naglowek_aktu', 'naglowek_sceny', 'naglowek_czesc',
- ]
+ ]
footnote_tags = ['pa', 'pt', 'pr', 'pe']
book_info = dcparser.parse(open(book.xml_file.path))
fields['slug'] = book.slug
- fields['tags'] = [t.name for t in book.tags]
fields['is_book'] = True
# validator, name
if master is None:
return []
- def walker(node, ignore_tags=()):
- if node.tag not in ignore_tags:
+ def walker(node):
+ if node.tag not in self.ignore_content_tags:
yield node, None, None
if node.text is not None:
yield None, node.text, None
if 'themes' in fields:
doc['themes'] = fields['themes']
- doc['uid'] = "part%s%s%s" % (doc['header_index'],
- doc['header_span'],
- doc.get('fragment_anchor', ''))
+ doc['uid'] = "part%s-%s-%s-%s" % (
+ book.id, doc['header_index'], doc['header_span'], doc.get('fragment_anchor', ''))
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:
content.append(text)
handle_text = [all_content]
- for start, text, end in walker(header, ignore_tags=self.ignore_content_tags):
+ for start, text, end in walker(header):
# handle footnotes
if start is not None and start.tag in self.footnote_tags:
footnote = []
class SearchResult(object):
- def __init__(self, doc, how_found=None, query=None, query_terms=None):
- # self.search = search
+ def __init__(self, doc, how_found=None, query_terms=None):
self.boost = 1.0
self._hits = []
self._processed_hits = None # processed hits
self._hits.append(hit)
+ @classmethod
+ def from_book(cls, book, how_found=None, query_terms=None):
+ doc = {
+ 'score': book.popularity.count,
+ 'book_id': book.id,
+ 'published_date': 0,
+ }
+ result = cls(doc, how_found=how_found, query_terms=query_terms)
+ result._book = book
+ return result
+
def __unicode__(self):
return u"<SR id=%d %d(%d) hits score=%f %d snippets>" % \
(self.book_id, len(self._hits),
def merge(self, other):
if self.book_id != other.book_id:
- raise ValueError("this search result is or book %d; tried to merge with %d" % (self.book_id, other.book_id))
+ raise ValueError("this search result is for book %d; tried to merge with %d" % (self.book_id, other.book_id))
self._hits += other._hits
- if other.score > self.score:
- self._score = other._score
+ self._score += max(other._score, 0)
return self
def get_book(self):
m.update(f[self.OTHER])
hits.append(m)
- hits.sort(lambda a, b: cmp(a['score'], b['score']), reverse=True)
+ hits.sort(key=lambda h: h['score'], reverse=True)
self._processed_hits = hits
return q
- def search_phrase(self, searched, field='text', book=False,
- filters=None,
- snippets=False):
- if filters is None:
- filters = []
- if book:
- filters.append(self.index.Q(is_book=True))
-
- q = self.index.query(**{field: searched})
- q = self.apply_filters(q, filters).field_limit(score=True, all_fields=True)
- res = q.execute()
- return [SearchResult(found, how_found=u'search_phrase') for found in res]
-
- def search_some(self, searched, fields, book=True,
- filters=None, snippets=True, query_terms=None):
- assert isinstance(fields, list)
- if filters is None:
- filters = []
+ def search_by_author(self, words):
+ from catalogue.models import Book
+ books = Book.objects.filter(parent=None).order_by('-popularity__count')
+ for word in words:
+ books = books.filter(cached_author__iregex='\m%s\M' % word).select_related('popularity__count')
+ return [SearchResult.from_book(book, how_found='search_by_author', query_terms=words) for book in books[:30]]
+
+ def search_words(self, words, fields, book=True):
+ if book and fields == ['authors']:
+ return self.search_by_author(words)
+ filters = []
+ for word in words:
+ if book or (word not in stopwords):
+ word_filter = None
+ for field in fields:
+ q = self.index.Q(**{field: word})
+ if word_filter is None:
+ word_filter = q
+ else:
+ word_filter |= q
+ filters.append(word_filter)
+ if not filters:
+ return []
if book:
- filters.append(self.index.Q(is_book=True))
-
- query = self.index.Q()
-
- for fld in fields:
- query = self.index.Q(query | self.make_term_query(searched, fld))
-
- query = self.index.query(query)
+ query = self.index.query(is_book=True)
+ else:
+ query = self.index.query()
query = self.apply_filters(query, filters).field_limit(score=True, all_fields=True)
- res = query.execute()
- return [SearchResult(found, how_found='search_some', query_terms=query_terms) for found in res]
-
- def search_everywhere(self, searched, query_terms=None):
- """
- Tries to use search terms to match different fields of book (or its parts).
- E.g. one word can be an author survey, another be a part of the title, and the rest
- are some words from third chapter.
- """
- books = []
- # content only query : themes x content
- q = self.make_term_query(searched, 'text')
- q_themes = self.make_term_query(searched, 'themes_pl')
-
- query = self.index.query(q).query(q_themes).field_limit(score=True, all_fields=True)
- res = query.execute()
-
- for found in res:
- books.append(SearchResult(found, how_found='search_everywhere_themesXcontent', query_terms=query_terms))
-
- # query themes/content x author/title/tags
- in_content = self.index.Q()
- in_meta = self.index.Q()
-
- for fld in ['themes_pl', 'text']:
- in_content |= self.make_term_query(searched, field=fld)
-
- for fld in ['tags', 'authors', 'title']:
- in_meta |= self.make_term_query(searched, field=fld)
-
- q = in_content & in_meta
- res = self.index.query(q).field_limit(score=True, all_fields=True).execute()
-
- for found in res:
- books.append(SearchResult(found, how_found='search_everywhere', query_terms=query_terms))
-
- return books
+ return [SearchResult(found, how_found='search_words', query_terms=words) for found in query.execute()]
def get_snippets(self, searchresult, query, field='text', num=1):
"""
text = snippets.get((int(position),
int(length)))
snip = self.index.highlight(text=text, field=field, q=query)
- snips[idx] = snip
- if snip:
- num -= 1
+ if snip not in snips:
+ snips[idx] = snip
+ if snip:
+ num -= 1
idx += 1
except IOError, e:
- book = catalogue.models.Book.objects.get(id=book_id)
- if not book.children.exists():
+ book = catalogue.models.Book.objects.filter(id=book_id)
+ if not book:
+ log.error("Book does not exist for book id = %d" % book_id)
+ elif not book.get().children.exists():
log.error("Cannot open snippet file for book id = %d [rev=%s], %s" % (book_id, revision, e))
return []
finally:
return snips
- def hint_tags(self, query, pdcounter=True, prefix=True):
- """
- Return auto-complete hints for tags
- using prefix search.
- """
- q = self.index.Q()
- query = query.strip()
- for field in ['tag_name', 'tag_name_pl']:
- if prefix:
- q |= self.index.Q(**{field: query + "*"})
- else:
- q |= self.make_term_query(query, field=field)
- qu = self.index.query(q)
-
- return self.search_tags(qu, pdcounter=pdcounter)
-
- def search_tags(self, query, filters=None, pdcounter=False):
- """
- Search for Tag objects using query.
- """
- if not filters:
- filters = []
- if not pdcounter:
- filters.append(~self.index.Q(is_pdcounter=True))
- res = self.apply_filters(query, filters).execute()
-
- tags = []
- pd_tags = []
-
- for doc in res:
- is_pdcounter = doc.get('is_pdcounter', False)
- category = doc.get('tag_category')
- try:
- if is_pdcounter:
- 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:
- # WTF
- print ("Warning. cannot get pdcounter tag_id=%d from db; cat=%s" % (
- int(doc.get('tag_id')), category)).encode('utf-8')
- pd_tags.append(tag)
- else:
- tag = catalogue.models.Tag.objects.get(id=doc.get("tag_id"))
- tags.append(tag)
-
- except catalogue.models.Tag.DoesNotExist:
- pass
- except PDCounterAuthor.DoesNotExist:
- pass
- except PDCounterBook.DoesNotExist:
- pass
-
- tags_slugs = set(map(lambda t: t.slug, tags))
- tags = tags + filter(lambda t: t.slug not in tags_slugs, pd_tags)
-
- log.debug('search_tags: %s' % tags)
-
- return tags
-
- def hint_books(self, query, prefix=True):
- """
- Returns auto-complete hints for book titles
- Because we do not index 'pseudo' title-tags.
- Prefix search.
- """
- q = self.index.Q()
- query = query.strip()
- if prefix:
- q |= self.index.Q(title=query + "*")
- else:
- q |= self.make_term_query(query, field='title')
- qu = self.index.query(q)
- only_books = self.index.Q(is_book=True)
- return self.search_books(qu, [only_books])
-
- def search_books(self, query, filters=None, max_results=10):
- """
- Searches for Book objects using query
- """
- bks = []
- bks_found = set()
- query = query.query(is_book=True)
- res = self.apply_filters(query, filters).field_limit(['book_id'])
- for r in res:
- try:
- bid = r['book_id']
- if bid not in bks_found:
- bks.append(catalogue.models.Book.objects.get(id=bid))
- bks_found.add(bid)
- except catalogue.models.Book.DoesNotExist:
- pass
- return bks
-
@staticmethod
def apply_filters(query, filters):
"""