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40 lines
1.2 KiB
Python
40 lines
1.2 KiB
Python
#!/usr/bin/python
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# This will take a given directory and make a 'big floppy image'
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# out of it, suitable for nodemedia upload.
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import glob
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import os
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import subprocess
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import sys
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def create_image(directory, image):
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ents = 0
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datasz = 512
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for dir in os.walk(sys.argv[1]):
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ents += 1
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for filen in dir[2]:
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ents += 1
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filename = os.path.join(dir[0], filen)
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currsz = os.path.getsize(filename)
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# assuming up to 65k cluster
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currsz = (currsz // 512 +1) * 512
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datasz += currsz
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datasz += ents * 32768
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datasz = datasz // 512 + 1
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with open(image, 'wb') as imgfile:
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imgfile.seek(datasz * 512 - 1)
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imgfile.write(b'\x00')
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subprocess.check_call(['mformat', '-i', image, '-d', '1', '-t',
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str(datasz), '-s', '1','-h', '1', '::'])
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cpycmd = ['mcopy', '-i', image, '-s']
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cpycmd.extend(glob.glob('{0}/*'.format(directory)))
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cpycmd.append('::')
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subprocess.check_call(cpycmd)
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if __name__ == '__main__':
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if len(sys.argv) < 3:
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sys.stderr.write("Usage: {0} <directory> <imagefile>".format(
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sys.argv[0]))
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sys.exit(1)
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create_image(sys.argv[1], sys.argv[2]) |