[GRASS-SVN] r48065 - grass/trunk/lib/python

[svn_grass at osgeo.org]

Author: neteler
Date: 2011-09-02 07:58:39 -0700 (Fri, 02 Sep 2011)
New Revision: 48065

Modified:
   grass/trunk/lib/python/db.py
Log:
new function db_table_exist

Modified: grass/trunk/lib/python/db.py
===================================================================
--- grass/trunk/lib/python/db.py	2011-09-02 14:24:58 UTC (rev 48064)
+++ grass/trunk/lib/python/db.py	2011-09-02 14:58:39 UTC (rev 48065)
@@ -66,6 +66,20 @@
 
 # run "db.connect -p" and parse output
 
+def db_table_exist(table, **args):
+    """!Return True if database table exists, False otherwise
+
+    @param table table name
+    @param args
+
+    @return True for success, False otherwise
+    """
+    result = run_command('db.describe', flags = 'c', table = table, **args)
+    if result == 0:
+	    return True
+    else:
+	    return False
+
 def db_connection():
     """!Return the current database connection parameters
     (interface to `db.connect -p'). Example: