Deprecating psycopg support in BioSQL code (use psycopg2 instead)

BioSQL/BioSeqDatabase.py

@@ -75,6 +75,14 @@ def open_database(driver = "MySQLdb", **kwargs):
 
     server = DBServer(conn, module)
 
+    if driver == "psycopg" :
+        import warnings
+        warnings.warn("Using BioSQL with psycopg (version one) is deprecated. "
+                      "It still works for now, but we recommend you update "
+                      "to using psycopg2 as a future release of Biopython "
+                      "will drop support for psycop (version one).",
+                      DeprecationWarning)
+
     # TODO - Remove the following once BioSQL Bug 2839 is fixed.
     # Test for RULES in PostgreSQL schema, see also Bug 2833.
     if driver in ["psycopg", "psycopg2", "pgdb"]:

DEPRECATED

@@ -7,6 +7,11 @@ Python 2.3
 No longer supported as of Release 1.51, having triggered a warning with
 Release 1.50, with a mention in the release notes for Release 1.49.
 
+BioSQL and psycopg
+==================
+Support for psycopg (version one) in Biopython's BioSQL code was deprecated
+in Release 1.51, please use psycopg2 instead.
+
 Bio.Entrez.efetch and rettype="genbank"
 =======================================
 As of Easter 2009, the NCBI have stopped supporting the unofficial return type