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import struct
import inspect
upck8 = lambda x: struct.unpack('B', x)[0]
upck16 = lambda x: struct.unpack('H', x)[0]
upck32 = lambda x: struct.unpack('I', x)[0]
upck64 = lambda x: struct.unpack('Q', x)[0]
pck8 = lambda x: struct.pack('B', x)
pck16 = lambda x: struct.pack('H', x)
pck32 = lambda x: struct.pack('I', x)
pck64 = lambda x: struct.pack('Q', x)
pck = {8:pck8,
16:pck16,
32:pck32,
64:pck64}
class Disasm_Exception(Exception):
pass
def hexdump(src, length=16):
FILTER = ''.join(
[(len(repr(chr(x))) == 3) and chr(x) or '.' for x in range(256)])
lines = []
for c in xrange(0, len(src), length):
chars = src[c:c + length]
hex = ' '.join(["%02x" % ord(x) for x in chars])
printable = ''.join(
["%s" % ((ord(x) <= 127 and FILTER[ord(x)]) or '.') for x in chars])
lines.append("%04x %-*s %s\n" % (c, length * 3, hex, printable))
print ''.join(lines)
# stackoverflow.com/questions/2912231
import collections
class keydefaultdict(collections.defaultdict):
def __missing__(self, key):
if self.default_factory is None:
raise KeyError(key)
value = self[key] = self.default_factory(key)
return value
def whoami():
return inspect.stack()[2][3]
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