除了已加载的C库中的Python错误外

Question

I have this piece of code which loads a library, but then it dies. I've surrounded it with the try/except pass, but it still dies. Does anyone know how to get past the error and continue with the print statement below:

      try: 
         library.load("test_data/polo.lib")
      except:
         pass

     defines = library.get_defines()
     print defines
     assert ( len(defines) == 3), "Make sure we have 3 defines"

The error I get right after the library.load line of code is:

scci18910> python test_001_library.py
Loading library test_data/polo.lib   
terminate called after throwing an instance of 'std::string'
Abort

Answer 1

You cant catch exception, because no python exception is thrown. But you can use subprocess to bypass Abort :

create file list_defines.py :

library.load("test_data/polo.lib")
print(library.get_defines())

then:

import subprocess

try:
    defines = parse_string_to_list_somehow(subprocess.check_output('python', '-c', 'list_defines.py'))
except CalledProcessError as e:
    print('Library defines list failed', e)
    defines = []

PS Example is for python3