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tools: present nicer error for missing packaging

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This makes the error more user friendly and suggests what to do to fix
it.
This commit is contained in:
Julian Oes
2020-04-01 11:21:48 +02:00
committed by Nuno Marques
parent baa50a1985
commit 07d172dc9c
1 changed files with 10 additions and 1 deletions
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msg/tools/px_generate_uorb_topic_files.py
+10 -1
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@@ -43,7 +43,6 @@ import shutil
import filecmp import filecmp
import argparse import argparse
import sys import sys
from packaging import version
try: try:
import em import em
@@ -65,6 +64,16 @@ except ImportError as e:
print("") print("")
sys.exit(1) sys.exit(1)
try:
from packaging import version
except ImportError as e:
print("Failed to import packaging: " + str(e))
print("")
print("You may need to install it using:")
print(" pip3 install --user packaging")
print("")
sys.exit(1)
__author__ = "Sergey Belash, Thomas Gubler, Beat Kueng" __author__ = "Sergey Belash, Thomas Gubler, Beat Kueng"
__copyright__ = "Copyright (C) 2013-2016 PX4 Development Team." __copyright__ = "Copyright (C) 2013-2016 PX4 Development Team."