From: Marcin Koziej Date: Mon, 20 Aug 2012 11:32:50 +0000 (+0200) Subject: index with solr works. X-Git-Url: https://git.mdrn.pl/wolnelektury.git/commitdiff_plain/480da6ff4ed8c04b205710c318b2fcfcb961bbc7 index with solr works. highlighter. --- diff --git a/apps/search/__init__.py b/apps/search/__init__.py index 1451fa214..279d281e3 100644 --- a/apps/search/__init__.py +++ b/apps/search/__init__.py @@ -1,3 +1,4 @@ -import lucene +#import lucene -from index import Index, Search, ReusableIndex, SearchResult, JVM, IndexChecker, IndexStore +#from index import Index, Search, ReusableIndex, SearchResult, JVM, IndexChecker, IndexStore +from index import Index, Search, SearchResult diff --git a/apps/search/highlight.py b/apps/search/highlight.py new file mode 100644 index 000000000..2fd9395d3 --- /dev/null +++ b/apps/search/highlight.py @@ -0,0 +1,90 @@ + +from sunburnt import sunburnt +from lxml import etree +import urllib +import warnings + + +class HLSolrConnection(sunburnt.SolrConnection): + def __init__(self, *args, **kw): + super(HLSolrConnection, self).__init__(*args, **kw) + self.analysis_url = self.url + "analysis/field/" + + def highlight(self, params): + qs = urllib.urlencode(params) + url = "%s?%s" % (self.analysis_url, qs) + if len(url) > self.max_length_get_url: + warnings.warn("Long query URL encountered - POSTing instead of " + "GETting. This query will not be cached at the HTTP layer") + url = self.analysis_url + kwargs = dict( + method="POST", + body=qs, + headers={"Content-Type": "application/x-www-form-urlencoded"}, + ) + else: + kwargs = dict(method="GET") + r, c = self.request(url, **kwargs) + if r.status != 200: + raise sunburnt.SolrError(r, c) + return c + + +class HLSolrInterface(sunburnt.SolrInterface): + # just copied from parent and SolrConnection -> HLSolrConnection + def __init__(self, url, schemadoc=None, http_connection=None, mode='', retry_timeout=-1, max_length_get_url=sunburnt.MAX_LENGTH_GET_URL): + self.conn = HLSolrConnection(url, http_connection, retry_timeout, max_length_get_url) + self.schemadoc = schemadoc + if mode == 'r': + self.writeable = False + elif mode == 'w': + self.readable = False + self.init_schema() + + def highlight(self, **kwargs): + if not self.readable: + raise TypeError("This Solr instance is only for writing") + args = { + 'analysis_fieldname': kwargs['field'], + 'analysis_showmatch': True, + 'analysis_fieldvalue': kwargs['text'], + 'q': kwargs['q'] + } + params = map(lambda (k, v): (k.replace('_', '.'), v), sunburnt.params_from_dict(**args)) + + content = self.conn.highlight(params) + doc = etree.fromstring(content) + analyzed = doc.xpath("//lst[@name='index']/arr[last()]/lst[bool/@name='match']") + matches = set() + for wrd in analyzed: + start = int(wrd.xpath("int[@name='start']")[0].text) + end = int(wrd.xpath("int[@name='end']")[0].text) + matches.add((start, end)) + + print matches + return self.substring(kwargs['text'], matches, + margins=kwargs.get('margins', 30), + mark=kwargs.get('mark', ("", ""))) + + def substring(self, text, matches, margins=30, mark=("", "")): + start = None + end = None + totlen = len(text) + matches_margins = map(lambda (s, e): (max(0, s - margins), min(totlen, e + margins)), matches) + (start, end) = matches_margins[0] + + for (s, e) in matches_margins[1:]: + if end < s or start > e: + continue + start = min(start, s) + end = max(end, e) + + snip = text[start:end] + matches = list(matches) + matches.sort(lambda a, b: cmp(b[0], a[0])) + for (s, e) in matches: + off = - start + snip = text[:e + off] + mark[1] + snip[e + off:] + snip = text[:s + off] + mark[0] + snip[s + off:] + # maybe break on word boundaries + return snip diff --git a/apps/search/index.py b/apps/search/index.py index a0bf71588..e7f28c9da 100644 --- a/apps/search/index.py +++ b/apps/search/index.py @@ -1,26 +1,7 @@ # -*- coding: utf-8 -*- from django.conf import settings -from django.dispatch import Signal -from lucene import SimpleFSDirectory, NIOFSDirectory, IndexWriter, IndexReader, IndexWriterConfig, CheckIndex, \ - File, Field, Integer, \ - NumericField, Version, Document, JavaError, IndexSearcher, \ - QueryParser, PerFieldAnalyzerWrapper, \ - SimpleAnalyzer, PolishAnalyzer, ArrayList, \ - KeywordAnalyzer, NumericRangeQuery, NumericRangeFilter, BooleanQuery, \ - BlockJoinQuery, BlockJoinCollector, Filter, TermsFilter, ChainedFilter, \ - HashSet, BooleanClause, Term, CharTermAttribute, \ - PhraseQuery, MultiPhraseQuery, StringReader, TermQuery, \ - FuzzyQuery, FuzzyTermEnum, PrefixTermEnum, Sort, Integer, \ - SimpleHTMLFormatter, Highlighter, QueryScorer, TokenSources, TextFragment, \ - BooleanFilter, TermsFilter, FilterClause, QueryWrapperFilter, \ - initVM, CLASSPATH, JArray, JavaError - # KeywordAnalyzer - -# Initialize jvm -JVM = initVM(CLASSPATH, maxheap=settings.JVM_MAXHEAP) - -import sys + import os import re import errno @@ -29,84 +10,17 @@ from librarian.parser import WLDocument from lxml import etree import catalogue.models from pdcounter.models import Author as PDCounterAuthor, BookStub as PDCounterBook -from multiprocessing.pool import ThreadPool -from threading import current_thread from itertools import chain -import atexit import traceback import logging log = logging.getLogger('search') - -class WLAnalyzer(PerFieldAnalyzerWrapper): - def __init__(self): - polish = PolishAnalyzer(Version.LUCENE_34) - # polish_gap.setPositionIncrementGap(999) - - simple = SimpleAnalyzer(Version.LUCENE_34) - # simple_gap.setPositionIncrementGap(999) - - keyword = KeywordAnalyzer(Version.LUCENE_34) - - # not sure if needed: there's NOT_ANALYZED meaning basically the same - - PerFieldAnalyzerWrapper.__init__(self, polish) - - self.addAnalyzer("tags", simple) - self.addAnalyzer("technical_editors", simple) - self.addAnalyzer("editors", simple) - self.addAnalyzer("url", keyword) - self.addAnalyzer("source_url", keyword) - self.addAnalyzer("source_name", simple) - self.addAnalyzer("publisher", simple) - self.addAnalyzer("authors", simple) - self.addAnalyzer("title", 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) +import sunburnt +import highlight -class IndexStore(object): - """ - Provides access to search index. - - self.store - lucene index directory - """ - def __init__(self): - self.make_index_dir() - self.store = NIOFSDirectory(File(settings.SEARCH_INDEX)) - - def make_index_dir(self): - try: - os.makedirs(settings.SEARCH_INDEX) - except OSError as exc: - if exc.errno == errno.EEXIST: - pass - else: raise - - def close(self): - self.store.close() - - -class IndexChecker(IndexStore): - def __init__(self): - IndexStore.__init__(self) - - def check(self): - checker = CheckIndex(self.store) - status = checker.checkIndex() - return status +class SolrIndex(object): + def __init__(self, mode=None): + self.index = highlight.HLSolrInterface(settings.SOLR, mode=mode) class Snippets(object): @@ -191,60 +105,38 @@ class Snippets(object): pass -class BaseIndex(IndexStore): - """ - Base index class. - Provides basic operations on index: opening, closing, optimizing. - """ - def __init__(self, analyzer=None): - super(BaseIndex, self).__init__() - self.index = None - if not analyzer: - analyzer = WLAnalyzer() - self.analyzer = analyzer - - def open(self, timeout=None): - if self.index: - raise Exception("Index is already opened") - 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): - self.index.optimize() - - def close(self): - try: - self.index.optimize() - except JavaError, je: - log.error("Error during optimize phase, check index: %s" % je) - - self.index.close() - self.index = None - - index_changed.send_robust(self) - - super(BaseIndex, self).close() - - def __enter__(self): - self.open() - return self - - def __exit__(self, type, value, tb): - self.close() - - -index_changed = Signal() - - -class Index(BaseIndex): +class Index(SolrIndex): """ Class indexing books. """ - def __init__(self, analyzer=None): - super(Index, self).__init__(analyzer) + def __init__(self): + super(Index, self).__init__() + + def delete_query(self, *queries): + """ + index.delete(queries=...) doesn't work, so let's reimplement it + using deletion of list of uids. + """ + uids = set() + for q in queries: + if isinstance(q, sunburnt.search.LuceneQuery): + q = self.index.query(q) + q.field_limiter.update(['uid']) + st = 0 + rows = 100 + while True: + ids = q.paginate(start=st, rows=rows).execute() + if not len(ids): + break + for res in ids: + uids.add(res['uid']) + st+=rows + # print "Will delete %s" % ','.join([x for x in uids]) + if uids: + self.index.delete(uids) + return True + else: + return False def index_tags(self, *tags, **kw): """ @@ -255,25 +147,23 @@ class Index(BaseIndex): remove_only = kw.get('remove_only', False) # first, remove tags from index. if tags: - q = BooleanQuery() + tag_qs = [] for tag in tags: - b_id_cat = BooleanQuery() - - q_id = NumericRangeQuery.newIntRange("tag_id", tag.id, tag.id, True, True) - b_id_cat.add(q_id, BooleanClause.Occur.MUST) + q_id = self.index.Q(tag_id=tag.id) if isinstance(tag, PDCounterAuthor): - q_cat = TermQuery(Term('tag_category', 'pd_author')) + q_cat = self.index.Q(tag_category='pd_author') elif isinstance(tag, PDCounterBook): - q_cat = TermQuery(Term('tag_category', 'pd_book')) + q_cat = self.index.Q(tag_category='pd_book') else: - q_cat = TermQuery(Term('tag_category', tag.category)) - b_id_cat.add(q_cat, BooleanClause.Occur.MUST) + q_cat = self.index.Q(tag_category=tag.category) - q.add(b_id_cat, BooleanClause.Occur.SHOULD) + q_id_cat = self.index.Q(q_id & q_cat) + tag_qs.append(q_id_cat) + self.delete_query(tag_qs) else: # all - q = NumericRangeQuery.newIntRange("tag_id", 0, Integer.MAX_VALUE, True, True) - self.index.deleteDocuments(q) + q = self.index.Q(tag_id__any=True) + self.delete_query(q) if not remove_only: # then add them [all or just one passed] @@ -284,37 +174,41 @@ class Index(BaseIndex): for tag in tags: if isinstance(tag, PDCounterAuthor): - doc = Document() - doc.add(NumericField("tag_id", Field.Store.YES, True).setIntValue(int(tag.id))) - doc.add(Field("tag_name", tag.name, Field.Store.NO, Field.Index.ANALYZED)) - doc.add(Field("tag_name_pl", tag.name, Field.Store.NO, Field.Index.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) + doc = { + "tag_id": int(tag.id), + "tag_name": tag.name, + "tag_name_pl": tag.name, + "tag_category": 'pd_author', + "is_pdcounter": True + } elif isinstance(tag, PDCounterBook): - doc = Document() - doc.add(NumericField("tag_id", Field.Store.YES, True).setIntValue(int(tag.id))) - doc.add(Field("tag_name", tag.title, Field.Store.NO, Field.Index.ANALYZED)) - doc.add(Field("tag_name_pl", tag.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) + doc = { + "tag_id": int(tag.id), + "tag_name": tag.title, + "tag_name_pl": tag.title, + "tag_category": 'pd_book', + "is_pdcounter": True + } else: - doc = Document() - doc.add(NumericField("tag_id", Field.Store.YES, True).setIntValue(int(tag.id))) - doc.add(Field("tag_name", tag.name, Field.Store.NO, Field.Index.ANALYZED)) - doc.add(Field("tag_name_pl", tag.name, Field.Store.NO, Field.Index.ANALYZED)) - doc.add(Field("tag_category", tag.category, Field.Store.NO, Field.Index.NOT_ANALYZED)) - self.index.addDocument(doc) + doc = { + "tag_id": int(tag.id), + "tag_name": tag.name, + "tag_name_pl": tag.name, + "tag_category": tag.category, + "is_pdcounter": False + } + doc['uid'] = "tag%d" % tag.id + self.index.add(doc) def create_book_doc(self, book): """ Create a lucene document referring book id. """ - doc = Document() - doc.add(NumericField("book_id", Field.Store.YES, True).setIntValue(int(book.id))) + doc = { + 'book_id': int(book.id), + } if book.parent is not None: - doc.add(NumericField("parent_id", Field.Store.YES, True).setIntValue(int(book.parent.id))) + doc["parent_id"] = int(book.parent.id) return doc def remove_book(self, book_or_id, remove_snippets=True): @@ -325,8 +219,7 @@ class Index(BaseIndex): else: book_id = book_or_id - q = NumericRangeQuery.newIntRange("book_id", book_id, book_id, True, True) - self.index.deleteDocuments(q) + self.delete_query(self.index.Q(book_id=book_id)) if remove_snippets: snippets = Snippets(book_id) @@ -348,17 +241,18 @@ class Index(BaseIndex): # let's not index it - it's only used for extracting publish date if 'source_name' in meta_fields: del meta_fields['source_name'] - - for f in meta_fields.values(): - if isinstance(f, list) or isinstance(f, tuple): - for elem in f: - book_doc.add(elem) - else: - book_doc.add(f) - self.index.addDocument(book_doc) + + for n, f in meta_fields.items(): + book_doc[n] = f + + book_doc['uid'] = "book%s" % book_doc['book_id'] + self.index.add(book_doc) del book_doc - self.index_content(book, book_fields=[meta_fields['title'], meta_fields['authors'], meta_fields['published_date']]) + self.index_content(book, book_fields={ + 'title': meta_fields['title'], + 'authors': meta_fields['authors'], + 'published_date': meta_fields['published_date']}) master_tags = [ 'opowiadanie', @@ -391,9 +285,9 @@ class Index(BaseIndex): 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') - fields['is_book'] = Field("is_book", 'true', Field.Store.NO, Field.Index.NOT_ANALYZED) + fields['slug'] = book.slug + fields['tags'] = [t.name for t in book.tags] + fields['is_book'] = True # validator, name for field in dcparser.BookInfo.FIELDS: @@ -408,21 +302,17 @@ class Index(BaseIndex): s = getattr(book_info, field.name) if field.multiple: s = ', '.join(s) - try: - fields[field.name] = Field(field.name, s, Field.Store.NO, Field.Index.ANALYZED) - except JavaError as je: - raise Exception("failed to add field: %s = '%s', %s(%s)" % (field.name, s, je.message, je.args)) + fields[field.name] = s elif type_indicator == dcparser.as_person: p = getattr(book_info, field.name) if isinstance(p, dcparser.Person): persons = unicode(p) else: persons = ', '.join(map(unicode, p)) - fields[field.name] = Field(field.name, persons, Field.Store.NO, Field.Index.ANALYZED) + fields[field.name] = persons elif type_indicator == dcparser.as_date: 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) + fields[field.name] = dt # get published date pd = None @@ -431,19 +321,19 @@ class Index(BaseIndex): if match is not None: pd = str(match.groups()[0]) if not pd: pd = "" - fields["published_date"] = Field("published_date", pd, Field.Store.YES, Field.Index.NOT_ANALYZED) + fields["published_date"] = pd return fields - def add_gaps(self, fields, fieldname): - """ - Interposes a list of fields with gap-fields, which are indexed spaces and returns it. - This allows for doing phrase queries which do not overlap the gaps (when slop is 0). - """ - def gap(): - while True: - yield Field(fieldname, ' ', Field.Store.NO, Field.Index.NOT_ANALYZED) - return reduce(lambda a, b: a + b, zip(fields, gap()))[0:-1] + # def add_gaps(self, fields, fieldname): + # """ + # Interposes a list of fields with gap-fields, which are indexed spaces and returns it. + # This allows for doing phrase queries which do not overlap the gaps (when slop is 0). + # """ + # def gap(): + # while True: + # yield Field(fieldname, ' ', Field.Store.NO, Field.Index.NOT_ANALYZED) + # return reduce(lambda a, b: a + b, zip(fields, gap()))[0:-1] def get_master(self, root): """ @@ -453,7 +343,7 @@ class Index(BaseIndex): if master.tag in self.master_tags: return master - def index_content(self, book, book_fields=[]): + def index_content(self, book, book_fields={}): """ Walks the book XML and extract content from it. Adds parts for each header tag and for each fragment. @@ -496,41 +386,31 @@ class Index(BaseIndex): def add_part(snippets, **fields): doc = self.create_book_doc(book) - for f in book_fields: - doc.add(f) + for n, v in book_fields.items(): + doc[n] = v + + doc['header_index'] = fields["header_index"] + doc['header_span'] = 'header_span' in fields and fields['header_span'] or 1 + doc['header_type'] = fields['header_type'] - doc.add(NumericField('header_index', Field.Store.YES, True).setIntValue(fields["header_index"])) - doc.add(NumericField("header_span", Field.Store.YES, True)\ - .setIntValue('header_span' in fields and fields['header_span'] or 1)) - doc.add(Field('header_type', fields["header_type"], Field.Store.YES, Field.Index.NOT_ANALYZED)) + doc['text'] = fields['text'] - doc.add(Field('content', fields["content"], Field.Store.NO, Field.Index.ANALYZED, \ - Field.TermVector.WITH_POSITIONS_OFFSETS)) + # snippets + snip_pos = snippets.add(fields["text"]) - snip_pos = snippets.add(fields["content"]) - doc.add(NumericField("snippets_position", Field.Store.YES, True).setIntValue(snip_pos[0])) - doc.add(NumericField("snippets_length", Field.Store.YES, True).setIntValue(snip_pos[1])) + doc['snippets_position'] = snip_pos[0] + doc['snippets_length'] = snip_pos[1] if snippets.revision: - doc.add(NumericField("snippets_revision", Field.Store.YES, True).setIntValue(snippets.revision)) + doc["snippets_revision"] = snippets.revision if 'fragment_anchor' in fields: - doc.add(Field("fragment_anchor", fields['fragment_anchor'], - Field.Store.YES, Field.Index.NOT_ANALYZED)) + doc["fragment_anchor"] = fields['fragment_anchor'] if 'themes' in fields: - themes, themes_pl = zip(*[ - (Field("themes", theme, Field.Store.YES, Field.Index.ANALYZED, Field.TermVector.WITH_POSITIONS), - Field("themes_pl", theme, Field.Store.NO, Field.Index.ANALYZED, Field.TermVector.WITH_POSITIONS)) - for theme in fields['themes']]) - - themes = self.add_gaps(themes, 'themes') - themes_pl = self.add_gaps(themes_pl, 'themes_pl') - - for t in themes: - doc.add(t) - for t in themes_pl: - doc.add(t) - + doc['themes'] = fields['themes'] + doc['uid'] = "part%s%s%s" % (doc['header_index'], + doc['header_span'], + doc.get('fragment_anchor','')) return doc def give_me_utf8(s): @@ -555,39 +435,40 @@ class Index(BaseIndex): def all_content(text): for frag in fragments.values(): - frag['content'].append(text) + frag['text'].append(text) content.append(text) handle_text = [all_content] - 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) + text=u''.join(footnote), + is_footnote=True) + + self.index.add(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} + fragments[fid] = {'text': [], '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(','))) + fragments[fid]['themes'] += map(unicode.strip, map(unicode, (start.text.split(',')))) elif end is not None and end.tag == 'motyw': handle_text.pop() @@ -605,10 +486,10 @@ class Index(BaseIndex): header_index=frag['start_section'], header_span=position - frag['start_section'] + 1, fragment_anchor=fid, - content=fix_format(frag['content']), + text=fix_format(frag['text']), themes=frag['themes']) #print '@ FRAG %s' % frag['content'] - self.index.addDocument(doc) + self.index.add(doc) # Collect content. @@ -618,141 +499,51 @@ class Index(BaseIndex): hdl(text) # in the end, add a section text. - doc = add_part(snippets, header_index=position, header_type=header.tag, - content=fix_format(content)) + doc = add_part(snippets, header_index=position, + header_type=header.tag, text=fix_format(content)) #print '@ CONTENT: %s' % fix_format(content) - self.index.addDocument(doc) + self.index.add(doc) finally: snippets.close() -def log_exception_wrapper(f): - def _wrap(*a): - try: - f(*a) - except Exception, e: - log.error("Error in indexing thread: %s" % e) - traceback.print_exc() - raise e - return _wrap - - -class ReusableIndex(Index): - """ - Works like index, but does not close/optimize Lucene index - until program exit (uses atexit hook). - This is usefull for importbooks command. - - if you cannot rely on atexit, use ReusableIndex.close_reusable() yourself. - """ - index = None - - def open(self, analyzer=None, **kw): - if ReusableIndex.index: - self.index = ReusableIndex.index - else: - Index.open(self, analyzer, **kw) - 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) - - @staticmethod - def close_reusable(): - if ReusableIndex.index: - ReusableIndex.index.optimize() - ReusableIndex.index.close() - ReusableIndex.index = None - - index_changed.send_robust(None) - - def close(self): - if ReusableIndex.index: - ReusableIndex.index.commit() - - -class JoinSearch(object): - """ - This mixin could be used to handle block join queries. - (currently unused) - """ - def __init__(self, *args, **kw): - super(JoinSearch, self).__init__(*args, **kw) - - def wrapjoins(self, query, fields=[]): - """ - This functions modifies the query in a recursive way, - so Term and Phrase Queries contained, which match - provided fields are wrapped in a BlockJoinQuery, - and so delegated to children documents. - """ - if BooleanQuery.instance_(query): - qs = BooleanQuery.cast_(query) - for clause in qs: - clause = BooleanClause.cast_(clause) - clause.setQuery(self.wrapjoins(clause.getQuery(), fields)) - return qs - else: - termset = HashSet() - query.extractTerms(termset) - for t in termset: - t = Term.cast_(t) - if t.field() not in fields: - return query - return BlockJoinQuery(query, self.parent_filter, - BlockJoinQuery.ScoreMode.Total) - - def bsearch(self, query, max_results=50): - q = self.query(query) - bjq = BlockJoinQuery(q, self.parent_filter, BlockJoinQuery.ScoreMode.Avg) - - tops = self.searcher.search(bjq, max_results) - bks = [] - 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, tops.totalHits) - class SearchResult(object): - def __init__(self, search, scoreDocs, score=None, how_found=None, snippets=None, searched=None, tokens_cache=None): + def __init__(self, search, doc, how_found=None, snippets=None, searched=None, tokens_cache=None): if tokens_cache is None: tokens_cache = {} - if score: - self._score = score + if 'score' in doc: + self._score = doc['score'] else: - self._score = scoreDocs.score + self._score = 0 self.boost = 1.0 self._hits = [] self._processed_hits = None # processed hits - stored = search.searcher.doc(scoreDocs.doc) - self.book_id = int(stored.get("book_id")) + self.book_id = int(doc["book_id"]) - pd = stored.get("published_date") + pd = doc["published_date"] try: self.published_date = int(pd) except ValueError: self.published_date = 0 - header_type = stored.get("header_type") + header_type = doc.get("header_type", None) # we have a content hit in some header of fragment if header_type is not None: - sec = (header_type, int(stored.get("header_index"))) - header_span = stored.get('header_span') + sec = (header_type, int(doc["header_index"])) + header_span = doc['header_span'] header_span = header_span is not None and int(header_span) or 1 - fragment = stored.get("fragment_anchor") + fragment = doc.get("fragment_anchor", None) if snippets: snippets = snippets.replace("/\n", "\n") - hit = (sec + (header_span,), fragment, scoreDocs.score, {'how_found': how_found, 'snippets': snippets and [snippets] or []}) + hit = (sec + (header_span,), fragment, self._score, {'how_found': how_found, 'snippets': snippets and [snippets] or []}) self._hits.append(hit) @@ -990,11 +781,11 @@ class Hint(object): return some -class Search(IndexStore): +class Search(SolrIndex): """ Search facilities. """ - def __init__(self, default_field="content"): + def __init__(self, default_field="text"): IndexStore.__init__(self) self.analyzer = WLAnalyzer() # PolishAnalyzer(Version.LUCENE_34) # self.analyzer = WLAnalyzer() @@ -1041,7 +832,7 @@ class Search(IndexStore): bks.append(catalogue.models.Book.objects.get(id=doc.get("book_id"))) return (bks, tops.totalHits) - def get_tokens(self, searched, field='content', cached=None): + def get_tokens(self, searched, field='text', cached=None): """returns tokens analyzed by a proper (for a field) analyzer argument can be: StringReader, string/unicode, or tokens. In the last case they will just be returned (so we can reuse tokens, if we don't change the analyzer) @@ -1076,7 +867,7 @@ class Search(IndexStore): else: return 0.5 - def make_phrase(self, tokens, field='content', slop=2, fuzzy=False): + def make_phrase(self, tokens, field='text', slop=2, fuzzy=False): """ Return a PhraseQuery with a series of tokens. """ @@ -1105,7 +896,7 @@ class Search(IndexStore): return phrase @staticmethod - def make_term_query(tokens, field='content', modal=BooleanClause.Occur.SHOULD, fuzzy=False): + def make_term_query(tokens, field='text', modal='BooleanClause.Occur.SHOULD XXX', fuzzy=False): """ Returns term queries joined by boolean query. modal - applies to boolean query @@ -1212,7 +1003,7 @@ class Search(IndexStore): Search for book parts which contains a phrase perfectly matching (with a slop of 2, default for make_phrase()) some part/fragment of the book. """ - qrys = [self.make_phrase(self.get_tokens(searched), field=fld, fuzzy=fuzzy) for fld in ['content']] + qrys = [self.make_phrase(self.get_tokens(searched), field=fld, fuzzy=fuzzy) for fld in ['text']] flt = None if hint: @@ -1245,7 +1036,7 @@ class Search(IndexStore): # content only query : themes x content q = BooleanQuery() - tokens_pl = self.get_tokens(searched, field='content', cached=tokens_cache) + tokens_pl = self.get_tokens(searched, field='text', cached=tokens_cache) tokens = self.get_tokens(searched, field='SIMPLE', cached=tokens_cache) # only search in themes when we do not already filter by themes @@ -1253,7 +1044,7 @@ class Search(IndexStore): q.add(BooleanClause(self.make_term_query(tokens_pl, field='themes_pl', fuzzy=fuzzy), BooleanClause.Occur.MUST)) - q.add(BooleanClause(self.make_term_query(tokens_pl, field='content', + q.add(BooleanClause(self.make_term_query(tokens_pl, field='text', fuzzy=fuzzy), BooleanClause.Occur.SHOULD)) topDocs = self.searcher.search(q, only_in, max_results) @@ -1265,7 +1056,7 @@ class Search(IndexStore): in_content = BooleanQuery() in_meta = BooleanQuery() - for fld in ['themes_pl', 'content']: + for fld in ['themes_pl', 'text']: in_content.add(BooleanClause(self.make_term_query(tokens_pl, field=fld, fuzzy=False), BooleanClause.Occur.SHOULD)) for fld in ['tags', 'authors', 'title']: @@ -1322,7 +1113,7 @@ class Search(IndexStore): # return None - def get_snippets(self, scoreDoc, query, field='content'): + def get_snippets(self, scoreDoc, query, field='text'): """ Returns a snippet for found scoreDoc. """ @@ -1494,7 +1285,7 @@ class Search(IndexStore): return self.search_books(q, self.term_filter(Term("is_book", "true")), max_results=max_results) @staticmethod - def chain_filters(filters, op=ChainedFilter.AND): + def chain_filters(filters, op='XXXChainedFilter.AND'): """ Chains a filter list together """ diff --git a/requirements.txt b/requirements.txt index f94a945c2..53ff47d2d 100644 --- a/requirements.txt +++ b/requirements.txt @@ -42,4 +42,6 @@ pyenchant # OAI-PMH pyoai +egenix-mx-base +sunburnt diff --git a/wolnelektury/settings/basic.py b/wolnelektury/settings/basic.py index 3dcb48450..e5ba5cd16 100644 --- a/wolnelektury/settings/basic.py +++ b/wolnelektury/settings/basic.py @@ -21,6 +21,8 @@ DATABASES = { } } +SOLR = "http://localhost:8983/solr/wl/" + # Local time zone for this installation. Choices can be found here: # http://en.wikipedia.org/wiki/List_of_tz_zones_by_name