Fixed whoosh index creation to work with 0.2.x. #15

[zzz-pokedex.git] / pokedex / lookup.py

diff --git a/pokedex/lookup.py b/pokedex/lookup.py
index b50871b..2b38a1a 100644 (file)
--- a/pokedex/lookup.py
+++ b/pokedex/lookup.py
@@ -1,8 +1,12 @@
 # encoding: utf8
+import os, os.path
 import re
 
 from sqlalchemy.sql import func
 import whoosh
+import whoosh.filedb.filestore
+import whoosh.filedb.fileindex
+import whoosh.index
 from whoosh.qparser import QueryParser
 import whoosh.spelling
 
@@ -13,13 +17,20 @@ import pokedex.db.tables as tables
 # retrieve something from the index
 indexed_tables = {}
 for cls in [
+        tables.Ability,
+        tables.Item,
+        tables.Move,
         tables.Pokemon,
+        tables.Type,
     ]:
     indexed_tables[cls.__tablename__] = cls
 
 # Dictionary of extra keys to file types of objects under, e.g. Pokémon can
 # also be looked up purely by number
 extra_keys = {
+    tables.Move: [
+        lambda row: u"move %d" % row.id,
+    ],
     tables.Pokemon: [
         lambda row: unicode(row.id),
     ],
@@ -35,16 +46,22 @@ def get_index(session):
     if index_bits:
         return index_bits['index'], index_bits['speller']
 
-    store = whoosh.store.RamStorage()
+    store = whoosh.filedb.filestore.RamStorage()
     schema = whoosh.fields.Schema(
         name=whoosh.fields.ID(stored=True),
         table=whoosh.fields.STORED,
         row_id=whoosh.fields.STORED,
-        language_id=whoosh.fields.STORED,
+        language=whoosh.fields.STORED,
+
+        # Whoosh 0.2 explodes when using a file-stored schema with no TEXT
+        # columns.  Appease it
+        dummy=whoosh.fields.TEXT,
     )
 
-    # Construct a straight lookup index
-    index = whoosh.index.Index(store, schema=schema, create=True)
+    index_directory = '/var/tmp/pokedex'
+    if not os.path.exists(index_directory):
+        os.mkdir(index_directory)
+    index = whoosh.index.create_in(index_directory, schema=schema)
     writer = index.writer()
 
     # Index every name in all our tables of interest
@@ -69,12 +86,20 @@ def get_index(session):
 
             speller_entries.append(name)
 
-            for extra_key_func in extra_keys[cls]:
+            for extra_key_func in extra_keys.get(cls, []):
                 extra_key = extra_key_func(row)
                 writer.add_document(name=extra_key, **row_key)
 
     writer.commit()
 
+    # XXX GIHWEGREHKG
+    old__schema = whoosh.spelling.SpellChecker._schema
+    def new__schema(self):
+        schema = old__schema(self)
+        schema.add('dummy', whoosh.fields.TEXT)
+        return schema
+    whoosh.spelling.SpellChecker._schema = new__schema
+
     # Construct and populate a spell-checker index.  Quicker to do it all
     # at once, as every call to add_* does a commit(), and those seem to be
     # expensive
@@ -86,7 +111,7 @@ def get_index(session):
     # complications.
     # The below is copied from SpellChecker.add_scored_words without the check
     # for isalpha().  XXX get whoosh patched to make this unnecessary!
-    writer = whoosh.writing.IndexWriter(speller.index())
+    writer = speller.index(create=True).writer()
     for word in speller_entries:
         fields = {"word": word, "score": 1}
         for size in xrange(speller.mingram, speller.maxgram + 1):
@@ -126,7 +151,7 @@ def lookup(session, name, exact_only=False):
     # Look for exact name.  A Term object does an exact match, so we don't have
     # to worry about a query parser tripping on weird characters in the input
     searcher = index.searcher()
-    query = whoosh.query.Term('name', name)
+    query = whoosh.query.Term('name', name.lower())
     results = searcher.search(query)
 
     if not exact_only: