map

[wolnelektury.git] / src / search / index.py

diff --git a/src/search/index.py b/src/search/index.py
index 7120893..22c9a02 100644 (file)
--- a/src/search/index.py
+++ b/src/search/index.py
@@ -9,6 +9,9 @@ import os
 import re
 from django.conf import settings
 from librarian import dcparser
 import re
 from django.conf import settings
 from librarian import dcparser

+import librarian.meta.types.date
+import librarian.meta.types.person
+import librarian.meta.types.text

 from librarian.parser import WLDocument
 from lxml import etree
 import scorched
 from librarian.parser import WLDocument
 from lxml import etree
 import scorched


@@ -95,7 +98,10 @@ class Snippets(object):
         of the snippet stored there.
         """
         self.file.seek(pos[0], 0)
         of the snippet stored there.
         """
         self.file.seek(pos[0], 0)

-        txt = self.file.read(pos[1]).decode('utf-8')
+        try:
+            txt = self.file.read(pos[1]).decode('utf-8')
+        except:
+            return ''

         return txt
 
     def close(self):
         return txt
 
     def close(self):


@@ -122,6 +128,22 @@ class Index(SolrIndex):
     def __init__(self):
         super(Index, self).__init__(mode='rw')
 
     def __init__(self):
         super(Index, self).__init__(mode='rw')
 

+    def remove_snippets(self, book):
+        book.snippet_set.all().delete()
+
+    def add_snippet(self, book, doc):
+        assert book.id == doc.pop('book_id')
+        # Fragments already exist and can be indexed where they live.
+        if 'fragment_anchor' in doc:
+            return
+
+        text = doc.pop('text')
+        header_index = doc.pop('header_index')
+        book.snippet_set.create(
+            sec=header_index,
+            text=text,
+        )
+

     def delete_query(self, *queries):
         """
         index.delete(queries=...) doesn't work, so let's reimplement it
     def delete_query(self, *queries):
         """
         index.delete(queries=...) doesn't work, so let's reimplement it


@@ -142,7 +164,8 @@ class Index(SolrIndex):
                     uids.add(res['uid'])
                 st += rows
         if uids:
                     uids.add(res['uid'])
                 st += rows
         if uids:

-            self.index.delete(uids)
+            # FIXME: With Solr API change, this doesn't work.
+            #self.index.delete(uids)

             return True
         else:
             return False
             return True
         else:
             return False


@@ -222,30 +245,29 @@ class Index(SolrIndex):
             doc['parent_id'] = int(book.parent.id)
         return doc
 
             doc['parent_id'] = int(book.parent.id)
         return doc
 

-    def remove_book(self, book_or_id, remove_snippets=True):
+    def remove_book(self, book, remove_snippets=True, legacy=True):

         """Removes a book from search index.
         book - Book instance."""
         """Removes a book from search index.
         book - Book instance."""

-        if isinstance(book_or_id, catalogue.models.Book):
-            book_id = book_or_id.id
-        else:
-            book_id = book_or_id
+        if legacy:
+          self.delete_query(self.index.Q(book_id=book.id))

 
 

-        self.delete_query(self.index.Q(book_id=book_id))
-
-        if remove_snippets:
-            snippets = Snippets(book_id)
+          if remove_snippets:
+            snippets = Snippets(book.id)

             snippets.remove()
             snippets.remove()

+        self.remove_snippets(book)

 
 

-    def index_book(self, book, book_info=None, overwrite=True):
+    def index_book(self, book, book_info=None, overwrite=True, legacy=True):

         """
         Indexes the book.
         Creates a lucene document for extracted metadata
         and calls self.index_content() to index the contents of the book.
         """
         """
         Indexes the book.
         Creates a lucene document for extracted metadata
         and calls self.index_content() to index the contents of the book.
         """

+        if not book.xml_file: return
+

         if overwrite:
             # we don't remove snippets, since they might be still needed by
             # threads using not reopened index
         if overwrite:
             # we don't remove snippets, since they might be still needed by
             # threads using not reopened index

-            self.remove_book(book, remove_snippets=False)
+            self.remove_book(book, remove_snippets=False, legacy=legacy)

 
         book_doc = self.create_book_doc(book)
         meta_fields = self.extract_metadata(book, book_info, dc_only=[
 
         book_doc = self.create_book_doc(book)
         meta_fields = self.extract_metadata(book, book_info, dc_only=[


@@ -258,7 +280,8 @@ class Index(SolrIndex):
             book_doc[n] = f
 
         book_doc['uid'] = "book%s" % book_doc['book_id']
             book_doc[n] = f
 
         book_doc['uid'] = "book%s" % book_doc['book_id']

-        self.index.add(book_doc)
+        if legacy:
+            self.index.add(book_doc)

         del book_doc
         book_fields = {
             'title': meta_fields['title'],
         del book_doc
         book_fields = {
             'title': meta_fields['title'],


@@ -270,7 +293,7 @@ class Index(SolrIndex):
             if tag_name in meta_fields:
                 book_fields[tag_name] = meta_fields[tag_name]
 
             if tag_name in meta_fields:
                 book_fields[tag_name] = meta_fields[tag_name]
 

-        self.index_content(book, book_fields=book_fields)
+        self.index_content(book, book_fields=book_fields, legacy=legacy)

 
     master_tags = [
         'opowiadanie',
 
     master_tags = [
         'opowiadanie',


@@ -302,7 +325,7 @@ class Index(SolrIndex):
         fields = {}
 
         if book_info is None:
         fields = {}
 
         if book_info is None:

-            book_info = dcparser.parse(open(book.xml_file.path))
+            book_info = dcparser.parse(open(book.xml_file.path, 'rb'))

 
         fields['slug'] = book.slug
         fields['is_book'] = True
 
         fields['slug'] = book.slug
         fields['is_book'] = True


@@ -314,21 +337,20 @@ class Index(SolrIndex):
             if hasattr(book_info, field.name):
                 if not getattr(book_info, field.name):
                     continue
             if hasattr(book_info, field.name):
                 if not getattr(book_info, field.name):
                     continue

-                # since no type information is available, we use validator
-                type_indicator = field.validator
-                if type_indicator == dcparser.as_unicode:
+                type_indicator = field.value_type
+                if issubclass(type_indicator, librarian.meta.types.text.TextValue):

                     s = getattr(book_info, field.name)
                     if field.multiple:
                         s = ', '.join(s)
                     fields[field.name] = s
                     s = getattr(book_info, field.name)
                     if field.multiple:
                         s = ', '.join(s)
                     fields[field.name] = s

-                elif type_indicator == dcparser.as_person:
+                elif issubclass(type_indicator, librarian.meta.types.person.Person):

                     p = getattr(book_info, field.name)
                     p = getattr(book_info, field.name)

-                    if isinstance(p, dcparser.Person):
+                    if isinstance(p, librarian.meta.types.person.Person):

                         persons = str(p)
                     else:
                         persons = ', '.join(map(str, p))
                     fields[field.name] = persons
                         persons = str(p)
                     else:
                         persons = ', '.join(map(str, p))
                     fields[field.name] = persons

-                elif type_indicator == dcparser.as_date:
+                elif issubclass(type_indicator, librarian.meta.types.date.DateValue):

                     dt = getattr(book_info, field.name)
                     fields[field.name] = dt
 
                     dt = getattr(book_info, field.name)
                     fields[field.name] = dt
 


@@ -362,7 +384,7 @@ class Index(SolrIndex):
             if master.tag in self.master_tags:
                 return master
 
             if master.tag in self.master_tags:
                 return master
 

-    def index_content(self, book, book_fields):
+    def index_content(self, book, book_fields, legacy=True):

         """
         Walks the book XML and extract content from it.
         Adds parts for each header tag and for each fragment.
         """
         Walks the book XML and extract content from it.
         Adds parts for each header tag and for each fragment.


@@ -389,16 +411,16 @@ class Index(SolrIndex):
             return
 
         def fix_format(text):
             return
 
         def fix_format(text):

-            # separator = [u" ", u"\t", u".", u";", u","]
+            # separator = [" ", "\t", ".", ";", ","]

             if isinstance(text, list):
                 # need to join it first
                 text = filter(lambda s: s is not None, content)
             if isinstance(text, list):
                 # need to join it first
                 text = filter(lambda s: s is not None, content)

-                text = u' '.join(text)
+                text = ' '.join(text)

                 # for i in range(len(text)):
                 #     if i > 0:
                 #         if text[i][0] not in separator\
                 #             and text[i - 1][-1] not in separator:
                 # for i in range(len(text)):
                 #     if i > 0:
                 #         if text[i][0] not in separator\
                 #             and text[i - 1][-1] not in separator:

-                #          text.insert(i, u" ")
+                #          text.insert(i, " ")

 
             return re.sub("(?m)/$", "", text)
 
 
             return re.sub("(?m)/$", "", text)
 


@@ -462,9 +484,10 @@ class Index(SolrIndex):
                     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,
                     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,

-                                       text=u''.join(footnote),
-                                       is_footnote=True)
-                        self.index.add(doc)
+                                       text=''.join(footnote))
+                        self.add_snippet(book, doc)
+                        if legacy:
+                            self.index.add(doc)

                         footnote = []
 
                     # handle fragments and themes.
                         footnote = []
 
                     # handle fragments and themes.


@@ -498,7 +521,10 @@ class Index(SolrIndex):
                                        fragment_anchor=fid,
                                        text=fix_format(frag['text']),
                                        themes=frag['themes'])
                                        fragment_anchor=fid,
                                        text=fix_format(frag['text']),
                                        themes=frag['themes'])

-                        self.index.add(doc)
+                        # Add searchable fragment
+                        self.add_snippet(book, doc)
+                        if legacy:
+                            self.index.add(doc)

 
                         # Collect content.
 
 
                         # Collect content.
 


@@ -510,7 +536,9 @@ class Index(SolrIndex):
                 doc = add_part(snippets, header_index=position,
                                header_type=header.tag, text=fix_format(content))
 
                 doc = add_part(snippets, header_index=position,
                                header_type=header.tag, text=fix_format(content))
 

-                self.index.add(doc)
+                self.add_snippet(book, doc)
+                if legacy:
+                    self.index.add(doc)

 
         finally:
             snippets.close()
 
         finally:
             snippets.close()


@@ -612,7 +640,7 @@ class SearchResult(object):
         return result
 
     def __str__(self):
         return result
 
     def __str__(self):

-        return u"<SR id=%d %d(%d) hits score=%f %d snippets>" % \
+        return "<SR id=%d %d(%d) hits score=%f %d snippets>" % \

             (self.book_id, len(self._hits),
              len(self._processed_hits) if self._processed_hits else -1,
              self._score, len(self.snippets))
             (self.book_id, len(self._hits),
              len(self._processed_hits) if self._processed_hits else -1,
              self._score, len(self.snippets))


@@ -634,7 +662,10 @@ class SearchResult(object):
     def get_book(self):
         if self._book is not None:
             return self._book
     def get_book(self):
         if self._book is not None:
             return self._book

-        self._book = catalogue.models.Book.objects.get(id=self.book_id)
+        try:
+            self._book = catalogue.models.Book.objects.get(id=self.book_id, findable=True)
+        except catalogue.models.Book.DoesNotExist:
+            self._book = None

         return self._book
 
     book = property(get_book)
         return self._book
 
     book = property(get_book)


@@ -661,20 +692,18 @@ class SearchResult(object):
             lambda f: f[self.POSITION][self.POSITION_INDEX] <= s[self.POSITION][self.POSITION_INDEX] <
                       f[self.POSITION][self.POSITION_INDEX] + f[self.POSITION][self.POSITION_SPAN], frags))), sect)
 
             lambda f: f[self.POSITION][self.POSITION_INDEX] <= s[self.POSITION][self.POSITION_INDEX] <
                       f[self.POSITION][self.POSITION_INDEX] + f[self.POSITION][self.POSITION_SPAN], frags))), sect)
 

-        def remove_duplicates(lst, keyfn, compare):
+        def remove_duplicates(lst, keyfn, larger):

             els = {}
             for e in lst:
                 eif = keyfn(e)
                 if eif in els:
             els = {}
             for e in lst:
                 eif = keyfn(e)
                 if eif in els:

-                    if compare(els[eif], e) >= 1:
+                    if larger(els[eif], e):

                         continue
                 els[eif] = e
             return els.values()
 
         # remove fragments with duplicated fid's and duplicated snippets
                         continue
                 els[eif] = e
             return els.values()
 
         # remove fragments with duplicated fid's and duplicated snippets

-        frags = remove_duplicates(frags, lambda f: f[self.FRAGMENT], lambda a, b: cmp(a[self.SCORE], b[self.SCORE]))
-        # frags = remove_duplicates(frags, lambda f: f[OTHER]['snippet_pos'] and f[OTHER]['snippet_pos'] or f[FRAGMENT],
-        #                           lambda a, b: cmp(a[SCORE], b[SCORE]))
+        frags = remove_duplicates(frags, lambda f: f[self.FRAGMENT], lambda a, b: a[self.SCORE] > b[self.SCORE])

 
         # remove duplicate sections
         sections = {}
 
         # remove duplicate sections
         sections = {}


@@ -746,13 +775,17 @@ class SearchResult(object):
                     books[r.book_id] = r
         return books.values()
 
                     books[r.book_id] = r
         return books.values()
 

+    def get_sort_key(self):
+        return (-self.score,
+                self.published_date,
+                self.book.sort_key_author if self.book else '',
+                self.book.sort_key if self.book else '')
+

     def __lt__(self, other):
     def __lt__(self, other):

-        return (-self.score, self.published_date, self.book.sort_key_author, self.book.sort_key) > \
-               (-other.score, other.published_date, other.book.sort_key_author, other.book.sort_key)
+        return self.get_sort_key() > other.get_sort_key()

 
     def __eq__(self, other):
 
     def __eq__(self, other):

-        return (self.score, self.published_date, self.book.sort_key_author, self.book.sort_key) == \
-               (other.score, other.published_date, other.book.sort_key_author, other.book.sort_key)
+        return self.get_sort_key() == other.get_sort_key()

 
     def __len__(self):
         return len(self.hits)
 
     def __len__(self):
         return len(self.hits)


@@ -794,7 +827,7 @@ class PictureResult(object):
             self._hits.append(hit)
 
     def __str__(self):
             self._hits.append(hit)
 
     def __str__(self):

-        return u"<PR id=%d score=%f >" % (self.picture_id, self._score)
+        return "<PR id=%d score=%f >" % (self.picture_id, self._score)

 
     def __repr__(self):
         return str(self)
 
     def __repr__(self):
         return str(self)


@@ -897,7 +930,7 @@ class Search(SolrIndex):
 
     def search_by_author(self, words):
         from catalogue.models import Book
 
     def search_by_author(self, words):
         from catalogue.models import Book

-        books = Book.objects.filter(parent=None).order_by('-popularity__count')
+        books = Book.objects.filter(parent=None, findable=True).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]]
         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]]


@@ -971,7 +1004,7 @@ class Search(SolrIndex):
                 idx += 1
 
         except IOError as e:
                 idx += 1
 
         except IOError as e:

-            book = catalogue.models.Book.objects.filter(id=book_id)
+            book = catalogue.models.Book.objects.filter(id=book_id, findable=True)

             if not book:
                 log.error("Book does not exist for book id = %d" % book_id)
             elif not book.get().children.exists():
             if not book:
                 log.error("Book does not exist for book id = %d" % book_id)
             elif not book.get().children.exists():