From 196b08cdfdd6b5ee8c75a86f510514b99dd383d2 Mon Sep 17 00:00:00 2001
From: Philipp Maier <pmaier@sysmocom.de>
Date: Thu, 12 Sep 2019 11:49:44 +0200
Subject: pySim-prog: check if CSV file exists

At the moment we do not chack if the CSV file exists at all. This may
lead into a crash while programming the card. Lets check the CSV file
before we start.

Change-Id: I2643996282d88e512c17901ab0e1181677d5dd6c
Related: SYS#4654
---
 pySim-prog.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/pySim-prog.py b/pySim-prog.py
index e92654d..ee5bc98 100755
--- a/pySim-prog.py
+++ b/pySim-prog.py
@@ -712,6 +712,13 @@ if __name__ == '__main__':
 	# Create command layer
 	scc = SimCardCommands(transport=sl)
 
+	# If we use a CSV file as data input, check if the CSV file exists.
+	if opts.source == 'csv':
+		print "Using CSV file as data input: " + str(opts.read_csv)
+		if not os.path.isfile(opts.read_csv):
+			print "CSV file not found!"
+			sys.exit(1)
+
 	# Batch mode init
 	init_batch(opts)
 
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