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romfs_pruner: delete hidden files, remove tabs 

If a text editor creates hidden save files, those will get copied into
the ROMFS. This is now fixed by deleting hidden files.

Also, the there was some available potential by removing the leading
whitespace.
This commit is contained in:
Julian Oes 2016-06-02 15:11:43 +01:00 committed by Lorenz Meier
parent cdd45a7b2d
commit 49930d64ad
1 changed files with 18 additions and 11 deletions
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29
Tools/px_romfs_pruner.py
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@ -1,7 +1,7 @@
#!/usr/bin/env python
############################################################################
#
# Copyright (C) 2014-2015 PX4 Development Team. All rights reserved.
# Copyright (C) 2014-2016 PX4 Development Team. All rights reserved.
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
@ -35,7 +35,12 @@
"""
px_romfs_pruner.py:
Delete all comments and newlines before ROMFS is converted to an image
Try to keep size of ROMFS minimal.
This script goes through the temporarily copied ROMFS data and deletes all
comments, empty lines and leading whitespace.
It also deletes hidden files such as auto-saved backups that a text editor
might have left in the tree.
@author: Julian Oes <julian@oes.ch>
"""
@ -53,18 +58,20 @@ def main():
help="ROMFS scratch folder.")
args = parser.parse_args()
#print("Pruning ROMFS files.")
# go through
# go through temp folder
for (root, dirs, files) in os.walk(args.folder):
for file in files:
# only prune text files
if ".zip" in file or ".bin" in file or ".swp" in file \
or ".data" in file or ".DS_Store" in file \
or file.startswith("."):
file_path = os.path.join(root, file)
# delete hidden files
if file.startswith("."):
os.remove(file_path)
continue
file_path = os.path.join(root, file)
# only prune text files
if ".zip" in file or ".bin" in file or ".swp" in file \
or ".data" in file or ".DS_Store" in file:
continue
# read file line by line
pruned_content = ""
@ -77,7 +84,7 @@ def main():
else:
if not line.isspace() \
and not line.strip().startswith("#"):
pruned_content += line
pruned_content += line.strip() + "\n"
# overwrite old scratch file
with open(file_path, "wb") as f:
pruned_content = re.sub("\r\n", "\n", pruned_content)