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https://github.com/robmcmullen/atrcopy.git
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101 lines
3.4 KiB
Python
Executable File
101 lines
3.4 KiB
Python
Executable File
#!/usr/bin/env python
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"""
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"""
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import os
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import numpy as np
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import subprocess
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import tempfile
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def create_binary(filename, num, outfile, options):
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"""Create patterned binary data with the first 7 characters of the filename
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interleaved with a byte ramp, e.g. A128 \x00A128 \x01A128 \x02 etc.
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"""
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root, _ = outfile.split(".")
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prefix = ("%s " % root)[0:8]
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a = np.fromstring(prefix, dtype=np.uint8)
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b = np.tile(a, (num / np.alen(a)) + 1)[0:num]
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b[7::8] = np.arange(np.alen(b) / 8, dtype=np.uint8)
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with open(filename, "wb") as fh:
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fh.write(b.tostring())
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def num_to_letter(num):
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text = []
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while True:
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num, rem = divmod(num, 26)
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text[0:0] = chr(ord("A") + rem)
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if num == 0:
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break
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return "".join(text)
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def get_filename(num, used):
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if num not in used:
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used[num] = 0
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prefix = num_to_letter(used[num])
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filename = "%s%d.DAT" % (prefix, num)
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used[num] += 1
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return filename
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def franny(filename, *options):
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cmd = ["franny", filename]
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cmd.extend(options)
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msg = subprocess.Popen(cmd, stdout=subprocess.PIPE).communicate()[0]
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if __name__ == "__main__":
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import sys
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import argparse
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parser = argparse.ArgumentParser(description="Extract images off ATR format disks")
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parser.add_argument("-v", "--verbose", default=0, action="count")
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parser.add_argument("-p", "--prefix", default="B", action="store")
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parser.add_argument("-f", "--filesystem", default="a", action="store")
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parser.add_argument("-d", "--density", default="s", action="store")
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parser.add_argument("-s", "--sectors", default=720, type=int, action="store")
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parser.add_argument("-t", "--template", default="", action="store")
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parser.add_argument("-o", "--output", default="a.out", action="store")
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parser.add_argument("files", metavar="NUM", nargs="+", help="list of numbers specifying the size of each binary file")
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options, extra_args = parser.parse_known_args()
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out = options.output
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if options.template:
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franny(out, "-C", "-f", options.filesystem, "-t", options.template)
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else:
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franny(out, "-C", "-f", options.filesystem, "-d", options.density, "-s", str(options.sectors))
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fh, binfile = tempfile.mkstemp()
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os.close(fh)
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used = {}
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files = []
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print "Creating image %s" % out
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for entry in options.files:
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entry = entry.lower()
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if entry.startswith("d"):
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index = int(entry[1:])
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outfile = files[index]
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franny(out, "-U", outfile)
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else:
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if "*" in entry:
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repeat, num = entry.split("*", 1)
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num = int(num)
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repeat = int(repeat)
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entries = [num] * repeat
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elif "-" in entry:
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first, last = entry.split("-", 1)
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first = int(first)
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if "," in last:
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last, step = last.split(",", 1)
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step = int(step)
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else:
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step = 1
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last = int(last)
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entries = range(first, last + 1, step)
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else:
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num = int(entry)
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entries = [num]
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for i in entries:
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outfile = get_filename(i, used)
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create_binary(binfile, i, outfile, options)
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franny(out, "-A", "-i", binfile, "-o", outfile)
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files.append(outfile)
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os.unlink(binfile)
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