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Subject[PATCH 2/8] perf scripts python: exported-sql-viewer.py: Use argparse module for argument parsing
Date
argparse makes it easier to add new arguments.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
---
.../scripts/python/exported-sql-viewer.py | 21 +++++++++++++------
1 file changed, 15 insertions(+), 6 deletions(-)

diff --git a/tools/perf/scripts/python/exported-sql-viewer.py b/tools/perf/scripts/python/exported-sql-viewer.py
index a3f1d05c9d4b..0fb0acc94058 100755
--- a/tools/perf/scripts/python/exported-sql-viewer.py
+++ b/tools/perf/scripts/python/exported-sql-viewer.py
@@ -91,6 +91,7 @@
from __future__ import print_function

import sys
+import argparse
import weakref
import threading
import string
@@ -3035,18 +3036,26 @@ class DBRef():
# Main

def Main():
- if (len(sys.argv) < 2):
- printerr("Usage is: exported-sql-viewer.py {<database name> | --help-only}");
- raise Exception("Too few arguments")
-
- dbname = sys.argv[1]
- if dbname == "--help-only":
+ usage_str = "exported-sql-viewer.py [--pyside-version-1] <database name>\n" \
+ " or: exported-sql-viewer.py --help-only"
+ ap = argparse.ArgumentParser(usage = usage_str, add_help = False)
+ ap.add_argument("dbname", nargs="?")
+ ap.add_argument("--help-only", action='store_true')
+ args = ap.parse_args()
+
+ if args.help_only:
app = QApplication(sys.argv)
mainwindow = HelpOnlyWindow()
mainwindow.show()
err = app.exec_()
sys.exit(err)

+ dbname = args.dbname
+ if dbname is None:
+ ap.print_usage()
+ print("Too few arguments")
+ sys.exit(1)
+
is_sqlite3 = False
try:
f = open(dbname, "rb")
--
2.17.1
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