File: nonecheck.pyx

package info (click to toggle)
cython 0.29.32-2
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 15,028 kB
  • sloc: python: 67,518; ansic: 14,866; cpp: 1,340; xml: 1,031; makefile: 393; lisp: 206; sh: 137; sed: 11
file content (19 lines) | stat: -rw-r--r-- 471 bytes parent folder | download | duplicates (4) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
 
# cython: nonecheck=True
#        ^^^ Turns on nonecheck globally

import cython

cdef class MyClass:
    pass

# Turn off nonecheck locally for the function
@cython.nonecheck(False)
def func():
    cdef MyClass obj = None
    try:
        # Turn nonecheck on again for a block
        with cython.nonecheck(True):
            print(obj.myfunc())  # Raises exception
    except AttributeError:
        pass
    print(obj.myfunc())  # Hope for a crash!