px4-firmware/Tools/compress.py

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#!/usr/bin/env python
import argparse
import lzma
parser = argparse.ArgumentParser(description="""Compress a file with xz""")
parser.add_argument('filename', metavar='file', help='Input file (output: file.xz)')
args = parser.parse_args()
filename = args.filename
def save_compressed(filename):
#create xz compressed version
xz_filename=filename+'.xz'
with lzma.open(xz_filename, 'wt', preset=9) as f:
with open(filename, 'r') as content_file:
f.write(content_file.read())
save_compressed(filename)