Remove self version of hstore registring.

Now using psycopg2 builtin version.

django_hstore/apps.py

@@ -3,15 +3,13 @@
 import django
 from django.conf import settings
 from django.db.backends.signals import connection_created
+from psycopg2.extras import register_hstore
 
 try:
     from django.apps import AppConfig
 except ImportError:
     AppConfig = object
 
-from .utils import register_hstore
-
-
 # keep backward compatibility until django hstore 1.3.0
 HSTORE_GLOBAL_REGISTER = getattr(settings, "DJANGO_HSTORE_GLOBAL_REGISTER", None)
 
@@ -80,7 +78,7 @@ def register_hstore_handler(connection, **kwargs):
         return
 
     if sys.version_info[0] < 3:
-        register_hstore(connection.connection, globally=HSTORE_REGISTER_GLOBALLY, _unicode=True)
+        register_hstore(connection.connection, globally=HSTORE_REGISTER_GLOBALLY, unicode=True)
     else:
         register_hstore(connection.connection, globally=HSTORE_REGISTER_GLOBALLY)
 

django_hstore/utils.py

@@ -51,46 +51,3 @@ def unserialize_references(references):
             refs[key] = reference
     else:
         return refs
-
-
-def register_hstore(conn_or_curs, globally=False, _unicode=False, oid=None, array_oid=None):
-    from psycopg2.extras import HstoreAdapter
-    from psycopg2 import extensions as _ext
-    import psycopg2
-    import sys
-    import re as regex
-    from .fields import HStoreDict
-
-    def cast(s, cur, _bsdec=regex.compile(r"\\(.)")):
-        if sys.version_info[0] < 3 and _unicode:
-            result = HstoreAdapter.parse_unicode(s, cur)
-        else:
-            result = HstoreAdapter.parse(s, cur, _bsdec)
-        return HStoreDict(result)
-
-    if oid is None:
-        oid = HstoreAdapter.get_oids(conn_or_curs)
-        if oid is None or not oid[0]:
-            raise psycopg2.ProgrammingError(
-                "hstore type not found in the database. "
-                "please install it from your 'contrib/hstore.sql' file")
-        else:
-            array_oid = oid[1]
-            oid = oid[0]
-
-    if isinstance(oid, int):
-        oid = (oid,)
-
-    if array_oid is not None:
-        if isinstance(array_oid, int):
-            array_oid = (array_oid,)
-        else:
-            array_oid = tuple([x for x in array_oid if x])
-
-    HSTORE = _ext.new_type(oid, str("HSTORE"), cast)
-    _ext.register_type(HSTORE, not globally and conn_or_curs or None)
-    _ext.register_adapter(dict, HstoreAdapter)
-
-    if array_oid:
-        HSTOREARRAY = _ext.new_array_type(array_oid, str("HSTOREARRAY"), HSTORE)
-        _ext.register_type(HSTOREARRAY, not globally and conn_or_curs or None)