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74 lines
2.3 KiB
Python
74 lines
2.3 KiB
Python
12 years ago
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#!/usr/bin/env python
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import zlib, base64, sys, argparse, os
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from gzipreader import GzipReader
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from b64reader import Base64Reader
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parser = argparse.ArgumentParser(description="Creates an SFX from a specified archive or file.")
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parser.add_argument("-a", help="Treat the input file as a tar.gz archive that needs to be extracted upon running the SFX.", action="store_true", dest="is_archive")
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parser.add_argument("-s", help="Define a command to be run after extraction of the SFX. %%NAME will be replaced with the path of the extracted file or folder. "
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"For archives, the working directory is set to the extraction directory.", action="store", dest="command")
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parser.add_argument("input_file", metavar="INPUTFILE", type=str, nargs=1, help="The file to read from. Use a dash (-) to read from STDIN instead.")
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parser.add_argument("output_file", metavar="OUTPUTFILE", type=str, nargs=1, help="The file to write to. Use a dash (-) to write to STDOUT instead.")
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options = vars(parser.parse_args())
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if options['input_file'][0] == "-":
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infile = sys.stdin
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extension = "dat"
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else:
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infile = open(options['input_file'][0], "rb")
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extension = os.path.splitext(options['input_file'][0])
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if options['output_file'][0] == "-":
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outfile = sys.stdout
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else:
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outfile = open(options['output_file'][0], "wb")
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if options['is_archive'] == True:
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is_archive = "True"
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extension = "tar.gz"
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else:
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is_archive = "False"
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if options['command']:
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run_after_extract = "True"
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command = options['command']
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else:
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run_after_extract = "False"
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command = ""
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template = open("%s/unpack.template" % os.path.dirname(__file__), "r")
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variables = {
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"run_after_extract": run_after_extract,
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"targz": is_archive,
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"extension": extension,
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"command": command
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}
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for curline in template:
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if curline.startswith('"""EOFDATA'):
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# Found the EOF data marker, insert packed data before
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# moving on with the next line.
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outfile.write(curline)
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data = b""
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reader = Base64Reader(GzipReader(infile))
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chunk_size = 128
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while True:
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chunk = reader.read(chunk_size)
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if chunk == "":
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break
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outfile.write(chunk + "\n")
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else:
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if "{%" in curline:
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for variable_key, variable_value in variables.iteritems():
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curline = curline.replace("{%%%s}" % variable_key, variable_value)
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outfile.write(curline)
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outfile.close()
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