fixed some issues in dal.py and sqlhtml.py thanks Michele

VERSION

@@ -1 +1 @@
-Version 1.99.4 (2012-01-31 08:48:24) stable
+Version 1.99.4 (2012-02-01 11:35:57) stable

gluon/dal.py

@@ -1930,7 +1930,7 @@ class PostgreSQLAdapter(BaseAdapter):
     def __init__(self,db,uri,pool_size=0,folder=None,db_codec ='UTF-8',
                  credential_decoder=lambda x:x, driver_args={},
                  adapter_args={}):
-        if not self.drivers.get('psycopg2') and not self.drivers.get('psycopg2'):
+        if not self.drivers.get('psycopg2') and not self.drivers.get('pg8000'):
             raise RuntimeError, "Unable to import any drivers (psycopg2 or pg8000)"
         self.db = db
         self.dbengine = "postgres"

gluon/sqlhtml.py

@@ -1297,6 +1297,9 @@ class SQLFORM(FORM):
 
     @staticmethod
     def build_query(fields,keywords):
+        if isinstance(keywords,(tuple,list)):
+           keywords = keywords[0]
+           request.vars.keywords = keywords
         key = keywords.strip()
         if key and not ' ' in key and not '"' in key and not "'" in key:
             SEARCHABLE_TYPES = ('string','text','list:string')
@@ -1647,12 +1650,13 @@ class SQLFORM(FORM):
             console.append(form)
             keywords = request.vars.get('keywords','')
             try:
-                subquery = SQLFORM.build_query(sfields, keywords)
+                if callable(searchable):
+                    subquery = searchable(sfields, keywords)
+                else:
+                    subquery = SQLFORM.build_query(sfields, keywords)
             except RuntimeError:
                 subquery = None
                 error = T('Invalid query')
-        elif callable(searchable):
-            subquery = searchable(keywords,fields)
         else:
             subquery = None
         if subquery: