Function assert_

numpy/testing/_private/utils.py:114–131

Assert that works in release mode. Accepts callable msg to allow deferring evaluation until failure. The Python built-in ``assert`` does not work when executing code in optimized mode (the ``-O`` flag) - no byte-code is generated for it. For documentation on usage, refer to th

(val, msg='')

                                    == "1.79769313486231580793728971405301e+308")

def assert_(val, msg=''):
    """
    Assert that works in release mode.
    Accepts callable msg to allow deferring evaluation until failure.

    The Python built-in ``assert`` does not work when executing code in
    optimized mode (the ``-O`` flag) - no byte-code is generated for it.

    For documentation on usage, refer to the Python documentation.

    """
    __tracebackhide__ = True  # Hide traceback for py.test
    if not val:
        try:
            smsg = msg()
        except TypeError:
            smsg = msg
        raise AssertionError(smsg)


if os.name == 'nt':