need disas.py for cross version Python compiling

fixup MANIFEST.in
pythonlib.py: store expected python version and don't compile if it
mismatches. Work files now go in temp directory. Start masrhal load in
Python for Python3.

uncompyle6/disas.py

@@ -0,0 +1,162 @@
+from __future__ import print_function
+
+"""Disassembler of Python byte code into mnemonics.
+
+This is needed when the bytecode extracted is from
+a different version than the currently-running Python.
+
+When the two are the same, you can simply use marshal.loads()
+to prodoce a code object
+"""
+
+import marshal, pickle, sys, types
+
+import dis as Mdis
+
+from struct import unpack
+
+internStrings = []
+
+# XXX For backwards compatibility
+disco = Mdis.disassemble
+
+if (sys.version_info >= (3, 0)):
+    def long(n):
+        return n
+
+def marshalLoad(fp):
+    global internStrings
+    internStrings = []
+    return load(fp)
+
+def load(fp):
+    """
+    Load marshal
+    """
+    global internStrings
+
+    marshalType = fp.read(1).decode('utf-8')
+    if marshalType == 'c':
+        Code = types.CodeType
+
+        co_argcount = unpack('i', fp.read(4))[0]
+        co_nlocals = unpack('i', fp.read(4))[0]
+        co_stacksize = unpack('i', fp.read(4))[0]
+        co_flags = unpack('i', fp.read(4))[0]
+        co_code = load(fp)
+        co_consts = load(fp)
+        co_names = load(fp)
+        co_varnames = load(fp)
+        co_freevars = load(fp)
+        co_cellvars = load(fp)
+        co_filename = load(fp)
+        co_name = load(fp)
+        co_firstlineno = unpack('i', fp.read(4))[0]
+        co_lnotab = load(fp)
+        return Code(co_argcount, co_nlocals, co_stacksize, co_flags, co_code,
+                    co_consts, co_names, co_varnames, co_filename, co_name,
+                    co_firstlineno, co_lnotab, co_freevars, co_cellvars)
+
+    # const type
+    elif marshalType == '.':
+        return Ellipsis
+    elif marshalType == '0':
+        raise KeyError(marshalType)
+        return None
+    elif marshalType == 'N':
+        return None
+    elif marshalType == 'T':
+        return True
+    elif marshalType == 'F':
+        return False
+    elif marshalType == 'S':
+        return StopIteration
+    # number type
+    elif marshalType == 'f':
+        n = fp.read(1)
+        return float(unpack('d', fp.read(n))[0])
+    elif marshalType == 'g':
+        return float(unpack('d', fp.read(8))[0])
+    elif marshalType == 'i':
+        return int(unpack('i', fp.read(4))[0])
+    elif marshalType == 'I':
+        return unpack('q', fp.read(8))[0]
+    elif marshalType == 'x':
+        raise KeyError(marshalType)
+        return None
+    elif marshalType == 'y':
+        raise KeyError(marshalType)
+        return None
+    elif marshalType == 'l':
+        n = unpack('i', fp.read(4))[0]
+        if n == 0:
+            return long(0)
+        size = abs(n)
+        d = long(0)
+        for j in range(0, size):
+            md = int(unpack('h', fp.read(2))[0])
+            d += md << j*15
+        if n < 0:
+            return long(d*-1)
+        return d
+    # strings type
+    elif marshalType == 'R':
+        refnum = unpack('i', fp.read(4))[0]
+        return internStrings[refnum]
+    elif marshalType == 's':
+        strsize = unpack('i', fp.read(4))[0]
+        return str(fp.read(strsize))
+    elif marshalType == 't':
+        strsize = unpack('i', fp.read(4))[0]
+        interned = str(fp.read(strsize))
+        internStrings.append(interned)
+        return interned
+    elif marshalType == 'u':
+        strsize = unpack('i', fp.read(4))[0]
+        unicodestring = fp.read(strsize)
+        return unicodestring.decode('utf-8')
+    # collection type
+    elif marshalType == '(':
+        tuplesize = unpack('i', fp.read(4))[0]
+        ret = tuple()
+        while tuplesize > 0:
+            ret += load(fp),
+            tuplesize -= 1
+        return ret
+    elif marshalType == '[':
+        raise KeyError(marshalType)
+        return None
+    elif marshalType == '{':
+        raise KeyError(marshalType)
+        return None
+    elif marshalType in ['<', '>']:
+        raise KeyError(marshalType)
+        return None
+    else:
+        sys.stderr.write("Unknown type %i (hex %x)\n" % (ord(marshalType), ord(marshalType)))
+
+def _test():
+    """Simple test program to disassemble a file."""
+    if sys.argv[1:]:
+        if sys.argv[2:]:
+            sys.stderr.write("usage: python dis.py [-|file]\n")
+            sys.exit(2)
+        fn = sys.argv[1]
+        if not fn or fn == "-":
+            fn = None
+    else:
+        fn = None
+    if fn is None:
+        f = sys.stdin
+    else:
+        f = open(fn)
+    source = f.read()
+    if fn is not None:
+        f.close()
+    else:
+        fn = "<stdin>"
+    code = compile(source, fn, "exec")
+    Mdis.dis(code)
+
+if __name__ == "__main__":
+    _test()