Created
April 17, 2014 22:07
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import dis, marshal, struct, sys, time, types | |
def show_file(fname): | |
f = open(fname, "rb") | |
magic = f.read(4) | |
moddate = f.read(4) | |
modtime = time.asctime(time.localtime(struct.unpack('<I', moddate)[0])) | |
print "magic %s" % (magic.encode('hex')) | |
print "moddate %s (%s)" % (moddate.encode('hex'), modtime) | |
code = marshal.load(f) | |
show_code(code) | |
def show_code(code, indent=''): | |
print "%scode" % indent | |
print "%scode object: (%d,%d,%d,%04x,%r,%r,%r,%r,%r,%r,%r,%r,%r,%r)" % ( | |
indent, | |
code.co_argcount, | |
code.co_nlocals, | |
code.co_stacksize, | |
code.co_flags, | |
code.co_code, | |
code.co_consts, | |
code.co_names, | |
code.co_varnames, | |
code.co_filename, | |
code.co_name, | |
code.co_firstlineno, | |
code.co_lnotab, | |
code.co_freevars, | |
code.co_cellvars | |
) | |
indent += ' ' | |
print "%sargcount %d" % (indent, code.co_argcount) | |
print "%snlocals %d" % (indent, code.co_nlocals) | |
print "%sstacksize %d" % (indent, code.co_stacksize) | |
print "%sflags %04x" % (indent, code.co_flags) | |
show_hex("code", code.co_code, indent=indent) | |
dis.disassemble(code) | |
print "%sconsts" % indent | |
for const in code.co_consts: | |
if type(const) == types.CodeType: | |
show_code(const, indent+' ') | |
else: | |
print " %s%r" % (indent, const) | |
print "%snames %r" % (indent, code.co_names) | |
print "%svarnames %r" % (indent, code.co_varnames) | |
print "%sfreevars %r" % (indent, code.co_freevars) | |
print "%scellvars %r" % (indent, code.co_cellvars) | |
print "%sfilename %r" % (indent, code.co_filename) | |
print "%sname %r" % (indent, code.co_name) | |
print "%sfirstlineno %d" % (indent, code.co_firstlineno) | |
show_hex("lnotab", code.co_lnotab, indent=indent) | |
def show_hex(label, h, indent): | |
h = h.encode('hex') | |
if len(h) < 60: | |
print "%s%s %s" % (indent, label, h) | |
else: | |
print "%s%s" % (indent, label) | |
for i in range(0, len(h), 60): | |
print "%s %s" % (indent, h[i:i+60]) | |
show_file(sys.argv[1]) |
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