From e0ad99d534d0c7dff065e696154b1db29a0f5c49 Mon Sep 17 00:00:00 2001
From: Miroslav Stampar <miroslav.stampar@gmail.com>
Date: Tue, 3 Mar 2020 14:40:40 +0100
Subject: [PATCH] Trivial refactoring

---
 lib/core/option.py   | 2 +-
 lib/core/session.py  | 2 +-
 lib/core/settings.py | 2 +-
 lib/core/target.py   | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/lib/core/option.py b/lib/core/option.py
index b0f676959..5c81a1e1d 100644
--- a/lib/core/option.py
+++ b/lib/core/option.py
@@ -676,7 +676,7 @@ def _setDBMS():
     logger.debug(debugMsg)
 
     conf.dbms = conf.dbms.lower()
-    regex = re.search(r"%s ([\d\.]+)" % ("(%s)" % "|".join([alias for alias in SUPPORTED_DBMS])), conf.dbms, re.I)
+    regex = re.search(r"%s ([\d\.]+)" % ("(%s)" % "|".join(SUPPORTED_DBMS)), conf.dbms, re.I)
 
     if regex:
         conf.dbms = regex.group(1)
diff --git a/lib/core/session.py b/lib/core/session.py
index ba6087912..376669698 100644
--- a/lib/core/session.py
+++ b/lib/core/session.py
@@ -25,7 +25,7 @@ def setDbms(dbms):
 
     hashDBWrite(HASHDB_KEYS.DBMS, dbms)
 
-    _ = "(%s)" % ("|".join([alias for alias in SUPPORTED_DBMS]))
+    _ = "(%s)" % ('|'.join(SUPPORTED_DBMS))
     _ = re.search(r"\A%s( |\Z)" % _, dbms, re.I)
 
     if _:
diff --git a/lib/core/settings.py b/lib/core/settings.py
index 1d442c0ff..1cda8af39 100644
--- a/lib/core/settings.py
+++ b/lib/core/settings.py
@@ -307,7 +307,7 @@ FRONTBASE_ALIASES = ("frontbase",)
 
 DBMS_DIRECTORY_DICT = dict((getattr(DBMS, _), getattr(DBMS_DIRECTORY_NAME, _)) for _ in dir(DBMS) if not _.startswith("_"))
 
-SUPPORTED_DBMS = MSSQL_ALIASES + MYSQL_ALIASES + PGSQL_ALIASES + ORACLE_ALIASES + SQLITE_ALIASES + ACCESS_ALIASES + FIREBIRD_ALIASES + MAXDB_ALIASES + SYBASE_ALIASES + DB2_ALIASES + HSQLDB_ALIASES + H2_ALIASES + INFORMIX_ALIASES + MONETDB_ALIASES + DERBY_ALIASES + VERTICA_ALIASES + MCKOI_ALIASES + PRESTO_ALIASES + ALTIBASE_ALIASES + MIMERSQL_ALIASES + CRATEDB_ALIASES + CUBRID_ALIASES + CACHE_ALIASES + EXTREMEDB_ALIASES
+SUPPORTED_DBMS = set(MSSQL_ALIASES + MYSQL_ALIASES + PGSQL_ALIASES + ORACLE_ALIASES + SQLITE_ALIASES + ACCESS_ALIASES + FIREBIRD_ALIASES + MAXDB_ALIASES + SYBASE_ALIASES + DB2_ALIASES + HSQLDB_ALIASES + H2_ALIASES + INFORMIX_ALIASES + MONETDB_ALIASES + DERBY_ALIASES + VERTICA_ALIASES + MCKOI_ALIASES + PRESTO_ALIASES + ALTIBASE_ALIASES + MIMERSQL_ALIASES + CRATEDB_ALIASES + CUBRID_ALIASES + CACHE_ALIASES + EXTREMEDB_ALIASES)
 SUPPORTED_OS = ("linux", "windows")
 
 DBMS_ALIASES = ((DBMS.MSSQL, MSSQL_ALIASES), (DBMS.MYSQL, MYSQL_ALIASES), (DBMS.PGSQL, PGSQL_ALIASES), (DBMS.ORACLE, ORACLE_ALIASES), (DBMS.SQLITE, SQLITE_ALIASES), (DBMS.ACCESS, ACCESS_ALIASES), (DBMS.FIREBIRD, FIREBIRD_ALIASES), (DBMS.MAXDB, MAXDB_ALIASES), (DBMS.SYBASE, SYBASE_ALIASES), (DBMS.DB2, DB2_ALIASES), (DBMS.HSQLDB, HSQLDB_ALIASES), (DBMS.H2, H2_ALIASES), (DBMS.INFORMIX, INFORMIX_ALIASES), (DBMS.MONETDB, MONETDB_ALIASES), (DBMS.DERBY, DERBY_ALIASES), (DBMS.VERTICA, VERTICA_ALIASES), (DBMS.MCKOI, MCKOI_ALIASES), (DBMS.PRESTO, PRESTO_ALIASES), (DBMS.ALTIBASE, ALTIBASE_ALIASES), (DBMS.MIMERSQL, MIMERSQL_ALIASES), (DBMS.CRATEDB, CRATEDB_ALIASES), (DBMS.CUBRID, CUBRID_ALIASES), (DBMS.CACHE, CACHE_ALIASES), (DBMS.EXTREMEDB, EXTREMEDB_ALIASES), (DBMS.FRONTBASE, FRONTBASE_ALIASES))
diff --git a/lib/core/target.py b/lib/core/target.py
index 49a93681d..f51f7f992 100644
--- a/lib/core/target.py
+++ b/lib/core/target.py
@@ -491,7 +491,7 @@ def _resumeDBMS():
 
     dbms = value.lower()
     dbmsVersion = [UNKNOWN_DBMS_VERSION]
-    _ = "(%s)" % ("|".join([alias for alias in SUPPORTED_DBMS]))
+    _ = "(%s)" % ('|'.join(SUPPORTED_DBMS))
     _ = re.search(r"\A%s (.*)" % _, dbms, re.I)
 
     if _: