forked from Archive/PX4-Autopilot
128 lines
4.7 KiB
Python
Executable File
128 lines
4.7 KiB
Python
Executable File
#!/usr/bin/env python
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############################################################################
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#
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# Copyright (C) 2014-2018 PX4 Development Team. All rights reserved.
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in
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# the documentation and/or other materials provided with the
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# distribution.
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# 3. Neither the name PX4 nor the names of its contributors may be
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# used to endorse or promote products derived from this software
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# without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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############################################################################
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"""
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px_romfs_pruner.py:
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Try to keep size of the ROMFS minimal.
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This script goes through the temporarily copied ROMFS data and deletes all
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comments, empty lines and unnecessary whitespace.
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It also deletes hidden files such as auto-saved backups that a text editor
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might have left in the tree.
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@author: Julian Oes <julian@oes.ch>
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"""
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from __future__ import print_function
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import argparse
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import re
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import os
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import io
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def main():
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# Parse commandline arguments
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parser = argparse.ArgumentParser(description="ROMFS pruner.")
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parser.add_argument('--folder', action="store",
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help="ROMFS scratch folder.")
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parser.add_argument('--board', action="store",
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help="Board architecture for this run")
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args = parser.parse_args()
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err_count = 0
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# go through temp folder
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for (root, dirs, files) in os.walk(args.folder):
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for file in files:
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file_path = os.path.join(root, file)
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# delete hidden files
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if file.startswith("."):
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os.remove(file_path)
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continue
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# delete documentation
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if file.startswith("README"):
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os.remove(file_path)
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continue
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# delete CMakeLists
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if file.startswith("CMakeLists"):
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os.remove(file_path)
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continue
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# only prune text files
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if ".zip" in file or ".bin" in file or ".swp" in file \
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or ".gz" in file or ".xz" in file or ".bz2" in file \
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or ".data" in file or ".DS_Store" in file:
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continue
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# read file line by line
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pruned_content = ""
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board_excluded = False
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with io.open(file_path, "r", newline=None) as f:
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for line in f:
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# abort if spurious tabs are found
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if re.search(r"[a-zA-Z0-9]+\t.+", line):
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file_local = re.sub(args.folder, '', file_path)
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print("ERROR: Spurious TAB character in file " + file_local)
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print("Line: " + line)
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err_count += 1
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# find excluded boards
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if re.search(r'\b{0} exclude\b'.format(args.board), line):
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board_excluded = True
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if not line.isspace() \
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and not line.strip().startswith("#"):
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pruned_content += line.strip() + "\n"
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# delete the file if it doesn't contain the architecture
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# write out the pruned content else
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if not board_excluded:
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# overwrite old scratch file
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with open(file_path, "wb") as f:
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pruned_content = re.sub("\r\n", "\n", pruned_content)
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f.write(pruned_content.encode("ascii", errors='strict'))
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else:
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os.remove(file_path)
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if (err_count > 0):
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exit(1)
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if __name__ == '__main__':
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main()
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