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

diff --git a/src/search/index.py b/src/search/index.py
index f943a4d..2d84cb4 100644 (file)
--- a/src/search/index.py
+++ b/src/search/index.py
@@ -1,29 +1,29 @@
-# -*- coding: utf-8 -*-

 # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 #
 # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 #

-from django.conf import settings
-
+from functools import reduce, total_ordering
+from itertools import chain
+import logging
+import operator

 import os
 import re
 import os
 import re

+from django.conf import settings

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

+import scorched

 import catalogue.models
 import picture.models
 from pdcounter.models import Author as PDCounterAuthor, BookStub as PDCounterBook
 import catalogue.models
 import picture.models
 from pdcounter.models import Author as PDCounterAuthor, BookStub as PDCounterBook

-from itertools import chain
-import scorched
-from . import custom
-import operator
-import logging

 from wolnelektury.utils import makedirs
 from wolnelektury.utils import makedirs

+from . import custom

 
 log = logging.getLogger('search')
 
 
 log = logging.getLogger('search')
 

+

 if os.path.isfile(settings.SOLR_STOPWORDS):
     stopwords = set(
 if os.path.isfile(settings.SOLR_STOPWORDS):
     stopwords = set(

-        line.decode('utf-8').strip()
+        line.strip()

         for line in open(settings.SOLR_STOPWORDS) if not line.startswith('#'))
 else:
     stopwords = set()
         for line in open(settings.SOLR_STOPWORDS) if not line.startswith('#'))
 else:
     stopwords = set()


@@ -142,7 +142,8 @@ 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


@@ -389,16 +390,16 @@ 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)
 


@@ -462,7 +463,7 @@ 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),
+                                       text=''.join(footnote),

                                        is_footnote=True)
                         self.index.add(doc)
                         footnote = []
                                        is_footnote=True)
                         self.index.add(doc)
                         footnote = []


@@ -557,6 +558,7 @@ class Index(SolrIndex):
         self.index.add(doc)
 
 
         self.index.add(doc)
 
 

+@total_ordering

 class SearchResult(object):
     def __init__(self, doc, how_found=None, query_terms=None):
         self.boost = 1.0
 class SearchResult(object):
     def __init__(self, doc, how_found=None, query_terms=None):
         self.boost = 1.0


@@ -611,7 +613,7 @@ 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))


@@ -633,7 +635,10 @@ 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)
+        except catalogue.models.Book.DoesNotExist:
+            self._book = None

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


@@ -653,27 +658,25 @@ class SearchResult(object):
         # to sections and fragments
         frags = filter(lambda r: r[self.FRAGMENT] is not None, self._hits)
 
         # to sections and fragments
         frags = filter(lambda r: r[self.FRAGMENT] is not None, self._hits)
 

-        sect = filter(lambda r: r[self.FRAGMENT] is None, self._hits)
+        sect = [hit for hit in self._hits if hit[self.FRAGMENT] is None]

 
         # sections not covered by fragments
 
         # sections not covered by fragments

-        sect = filter(lambda s: 0 == len(filter(
+        sect = filter(lambda s: 0 == len(list(filter(

             lambda f: f[self.POSITION][self.POSITION_INDEX] <= s[self.POSITION][self.POSITION_INDEX] <
             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)
+                      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 = {}


@@ -691,7 +694,7 @@ class SearchResult(object):
             m.update(s[self.OTHER])
             sections[si] = m
 
             m.update(s[self.OTHER])
             sections[si] = m
 

-        hits = sections.values()
+        hits = list(sections.values())

 
         for f in frags:
             try:
 
         for f in frags:
             try:


@@ -712,12 +715,12 @@ class SearchResult(object):
                             break
 
             def theme_by_name(n):
                             break
 
             def theme_by_name(n):

-                th = filter(lambda t: t.name == n, themes)
+                th = list(filter(lambda t: t.name == n, themes))

                 if th:
                     return th[0]
                 else:
                     return None
                 if th:
                     return th[0]
                 else:
                     return None

-            themes_hit = filter(lambda a: a is not None, map(theme_by_name, themes_hit))
+            themes_hit = list(filter(lambda a: a is not None, map(theme_by_name, themes_hit)))

 
             m = {'score': f[self.SCORE],
                  'fragment': frag,
 
             m = {'score': f[self.SCORE],
                  'fragment': frag,


@@ -745,13 +748,17 @@ class SearchResult(object):
                     books[r.book_id] = r
         return books.values()
 
                     books[r.book_id] = r
         return books.values()
 

-    def __cmp__(self, other):
-        c = cmp(self.score, other.score)
-        if c == 0:
-            # this is inverted, because earlier date is better
-            return cmp(other.published_date, self.published_date)
-        else:
-            return c
+    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):
+        return self.get_sort_key() > other.get_sort_key()
+
+    def __eq__(self, other):
+        return self.get_sort_key() == other.get_sort_key()

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


@@ -766,6 +773,7 @@ class SearchResult(object):
             return None
 
 
             return None
 
 

+@total_ordering

 class PictureResult(object):
     def __init__(self, doc, how_found=None, query_terms=None):
         self.boost = 1.0
 class PictureResult(object):
     def __init__(self, doc, how_found=None, query_terms=None):
         self.boost = 1.0


@@ -792,7 +800,7 @@ 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)


@@ -866,8 +874,11 @@ class PictureResult(object):
                     books[r.picture_id] = r
         return books.values()
 
                     books[r.picture_id] = r
         return books.values()
 

-    def __cmp__(self, other):
-        return cmp(self.score, other.score)
+    def __lt__(self, other):
+        return self.score < other.score
+
+    def __eq__(self, other):
+        return self.score == other.score

 
 
 class Search(SolrIndex):
 
 
 class Search(SolrIndex):


@@ -975,8 +986,8 @@ class Search(SolrIndex):
         finally:
             snippets.close()
 
         finally:
             snippets.close()
 

-            # remove verse end markers..
-        snips = map(lambda s: s and s.replace("/\n", "\n"), snips)
+        # remove verse end markers..
+        snips = [s.replace("/\n", "\n") if s else s for s in snips]

 
         searchresult.snippets = snips
 
 
         searchresult.snippets = snips