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Python packaging - yet again.
Did I ever mention how much Python sucks at packaging?
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rocky
223
bin/uncompyle6
223
bin/uncompyle6
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#!/usr/bin/env python
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# Mode: -*- python -*-
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#
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# Copyright (c) 2015-2016 by Rocky Bernstein
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# Copyright (c) 2000-2002 by hartmut Goebel <h.goebel@crazy-compilers.com>
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#
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from __future__ import print_function
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import sys, os, getopt, time
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program = os.path.basename(__file__)
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__doc__ = """
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Usage:
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%s [OPTIONS]... [ FILE | DIR]...
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%s [--help | -h | --V | --version]
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Examples:
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%s foo.pyc bar.pyc # decompile foo.pyc, bar.pyc to stdout
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%s -o . foo.pyc bar.pyc # decompile to ./foo.pyc_dis and ./bar.pyc_dis
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%s -o /tmp /usr/lib/python1.5 # decompile whole library
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Options:
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-o <path> output decompiled files to this path:
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if multiple input files are decompiled, the common prefix
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is stripped from these names and the remainder appended to
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<path>
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uncompyle6 -o /tmp bla/fasel.pyc bla/foo.pyc
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-> /tmp/fasel.pyc_dis, /tmp/foo.pyc_dis
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uncompyle6 -o /tmp bla/fasel.pyc bar/foo.pyc
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-> /tmp/bla/fasel.pyc_dis, /tmp/bar/foo.pyc_dis
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uncompyle6 -o /tmp /usr/lib/python1.5
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-> /tmp/smtplib.pyc_dis ... /tmp/lib-tk/FixTk.pyc_dis
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-c <file> attempts a disassembly after compiling <file>
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-d print timestamps
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-p <integer> use <integer> number of processes
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-r recurse directories looking for .pyc and .pyo files
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--verify compare generated source with input byte-code
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(requires -o)
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--help show this message
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Debugging Options:
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--asm -a include byte-code (disables --verify)
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--grammar -g show matching grammar
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--tree -t include syntax tree (disables --verify)
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Extensions of generated files:
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'.pyc_dis' '.pyo_dis' successfully decompiled (and verified if --verify)
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+ '_unverified' successfully decompile but --verify failed
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+ '_failed' decompile failed (contact author for enhancement)
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""" % ((program,) * 5)
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program = os.path.basename(__file__)
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from uncompyle6 import verify, check_python_version
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from uncompyle6.main import main, status_msg
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from uncompyle6.version import VERSION
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def usage():
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print("""usage:
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%s [--verify] [--asm] [--tree] [--grammar] [-o <path>] FILE|DIR...
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%s [--help | -h | --version | -V]
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""" % (program, program))
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sys.exit(1)
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check_python_version(program)
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showasm = showast = do_verify = recurse_dirs = False
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numproc = 0
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outfile = '-'
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out_base = None
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codes = []
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timestamp = False
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timestampfmt = "# %Y.%m.%d %H:%M:%S %Z"
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try:
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opts, files = getopt.getopt(sys.argv[1:], 'hagtdrVo:c:p:',
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'help asm grammar recurse timestamp tree verify version '
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'showgrammar'.split(' '))
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except getopt.GetoptError as e:
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print('%s: %s' % (os.path.basename(sys.argv[0]), e), file=sys.stderr)
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sys.exit(-1)
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options = {}
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for opt, val in opts:
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if opt in ('-h', '--help'):
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print(__doc__)
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sys.exit(0)
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elif opt in ('-V', '--version'):
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print("%s %s" % (program, VERSION))
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sys.exit(0)
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elif opt == '--verify':
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options['do_verify'] = True
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elif opt in ('--asm', '-a'):
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options['showasm'] = True
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options['do_verify'] = False
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elif opt in ('--tree', '-t'):
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options['showast'] = True
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options['do_verify'] = False
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elif opt in ('--grammar', '-g'):
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options['showgrammar'] = True
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elif opt == '-o':
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outfile = val
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elif opt in ('--timestamp', '-d'):
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timestamp = True
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elif opt == '-c':
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codes.append(val)
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elif opt == '-p':
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numproc = int(val)
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elif opt in ('--recurse', '-r'):
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recurse_dirs = True
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else:
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print(opt, file=sys.stderr)
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usage()
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# expand directory if specified
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if recurse_dirs:
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expanded_files = []
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for f in files:
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if os.path.isdir(f):
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for root, _, dir_files in os.walk(f):
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for df in dir_files:
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if df.endswith('.pyc') or df.endswith('.pyo'):
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expanded_files.append(os.path.join(root, df))
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files = expanded_files
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# argl, commonprefix works on strings, not on path parts,
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# thus we must handle the case with files in 'some/classes'
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# and 'some/cmds'
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src_base = os.path.commonprefix(files)
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if src_base[-1:] != os.sep:
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src_base = os.path.dirname(src_base)
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if src_base:
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sb_len = len( os.path.join(src_base, '') )
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files = [f[sb_len:] for f in files]
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del sb_len
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if not files:
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print("No files given", file=sys.stderr)
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usage()
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if outfile == '-':
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outfile = None # use stdout
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elif outfile and os.path.isdir(outfile):
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out_base = outfile; outfile = None
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elif outfile and len(files) > 1:
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out_base = outfile; outfile = None
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if timestamp:
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print(time.strftime(timestampfmt))
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if numproc <= 1:
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try:
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result = main(src_base, out_base, files, codes, outfile,
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**options)
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if len(files) > 1:
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mess = status_msg(do_verify, *result)
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print('# ' + mess)
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pass
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except (KeyboardInterrupt):
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pass
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except verify.VerifyCmpError:
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raise
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else:
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from multiprocessing import Process, Queue
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try:
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from Queue import Empty
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except ImportError:
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from Queue import Empty
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fqueue = Queue(len(files)+numproc)
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for f in files:
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fqueue.put(f)
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for i in range(numproc):
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fqueue.put(None)
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rqueue = Queue(numproc)
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def process_func():
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try:
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(tot_files, okay_files, failed_files, verify_failed_files) = (0, 0, 0, 0)
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while 1:
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f = fqueue.get()
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if f is None:
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break
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(t, o, f, v) = \
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main(src_base, out_base, [f], codes, outfile, **options)
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tot_files += t
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okay_files += o
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failed_files += f
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verify_failed_files += v
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except (Empty, KeyboardInterrupt):
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pass
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rqueue.put((tot_files, okay_files, failed_files, verify_failed_files))
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rqueue.close()
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try:
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procs = [Process(target=process_func) for i in range(numproc)]
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for p in procs:
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p.start()
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for p in procs:
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p.join()
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try:
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(tot_files, okay_files, failed_files, verify_failed_files) = (0, 0, 0, 0)
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while True:
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(t, o, f, v) = rqueue.get(False)
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tot_files += t
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okay_files += o
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failed_files += f
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verify_failed_files += v
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except Empty:
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pass
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print('# decompiled %i files: %i okay, %i failed, %i verify failed' %
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(tot_files, okay_files, failed_files, verify_failed_files))
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except (KeyboardInterrupt, OSError):
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pass
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if timestamp:
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print(time.strftime(timestampfmt))
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from uncompyle6.bin.uncompile import main_bin
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main_bin()
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