Python reverse - empty result

[Guillaume]

Hi,

I received a python source code from a client to run the reverse eng. in EA.
EA processes all .py files without producing any result/class.

The Python code has :
- import declarations
- def (e.g. def functionA(arg1, arg2) : ...)

Is there any precondition to check so it works?

Thanks

[qwerty]

There should be some classes at least.

q.

[Uffe]

Are there classes in your code?

If you're writing classless Python I don't think you'll get anything out of an EA reverse-engineer.

/Uffe

[Guillaume]

Hi,

The code I have does not include any class. I confirm that I got some results once I added "class : <classname>" in the files.

Thanks

[Guillaume]

Hi,

I ran a new test with a Python file with content illustrated as follows:

Code: [Select]

import libA
import libB
class myClass (arg1):
  def functA(arg1, arg2):
     localvar = arg1 ...

  def functB(arg1, arg2, arg3):
# code removed

  def functC():
# code removed

if a = "test":
  print('test')

Running EA reverse, I get a "myClass" class with functA operation only (and arg1 parameter).
Any idea why the other def are not picked up?

Thanks
Guillaume

[qwerty]

You should learn a bit Python first. Class operations have self as first parameter.

q.

[Eve]

I changed the incomplete method bodies from your example to 'pass' and EA imported all three methods.

They weren't static like I would have expected given they were missing the self parameter as suggested by qwerty.

[Guillaume]

Thanks for your replies.
With support of the Python dev team, I simply figured out that the code samples I got needed to have a proper indent level applied so the def can be reversed as class operations.

I got a query on running the EA Execution analyzer's recording feature with Python. I saw that it's not supported according to the help; could it be supported in the future?

[Eve]

You may be able to use the gdb debugger to do that, but I suspect the gdb support for python is in the UI side, not the API side.