correctly auto-install indexes

dbindexer/compiler.py

@@ -1,5 +1,4 @@
 from .api import FIELD_INDEXES, COLUMN_TO_NAME, get_index_name, get_column_name, regex
-from django.conf import settings
 from django.db import models
 from django.db.models.sql import aggregates as sqlaggregates
 from django.db.models.sql.constants import LOOKUP_SEP, MULTI, SINGLE, LHS_ALIAS,\
@@ -10,8 +9,6 @@
 from django.utils.tree import Node
 import re
 
-SITECONF_MODULE = getattr(settings, 'DBINDEXER_SITECONF', settings.ROOT_URLCONF)
-
 def contains_indexer(value):
     # In indexing mode we add all postfixes ('o', 'lo', ..., 'hello')
     result = []
@@ -70,10 +67,6 @@ def __repr__(self):
 # manipulated query can result in strange behavior for these cases!
 
 class BaseCompiler(object):
-    def __init__(self, *args, **kwargs):
-        super(BaseCompiler, self).__init__(*args, **kwargs)
-        import_module(SITECONF_MODULE)
-
     def get_column_index(self, constraint):
         if constraint.field:
             column_chain = constraint.field.column

dbindexer/middleware.py

@@ -0,0 +1,5 @@
+from . import models
+
+class DBIndexerMiddleware(object):
+    """Empty because the import above already does everything for us"""
+    pass

dbindexer/models.py

@@ -0,0 +1,5 @@
+# Load the siteconf module
+from django.conf import settings
+from django.utils.importlib import import_module
+SITECONF_MODULE = getattr(settings, 'DBINDEXER_SITECONF', settings.ROOT_URLCONF)
+import_module(SITECONF_MODULE)