Function ignore_errno

celery/platforms.py:760–785

Context manager to ignore specific POSIX error codes. Takes a list of error codes to ignore: this can be either the name of the code, or the code integer itself:: >>> with ignore_errno('ENOENT'): ... with open('foo', 'r') as fh: ... return fh.read()

(*errnos, **kwargs)

@contextmanager
def ignore_errno(*errnos, **kwargs):
    """Context manager to ignore specific POSIX error codes.

    Takes a list of error codes to ignore: this can be either
    the name of the code, or the code integer itself::

        >>> with ignore_errno('ENOENT'):
        ...     with open('foo', 'r') as fh:
        ...         return fh.read()

        >>> with ignore_errno(errno.ENOENT, errno.EPERM):
        ...    pass

    Arguments:
        types (Tuple[Exception]): A tuple of exceptions to ignore
            (when the errno matches).  Defaults to :exc:`Exception`.
    """
    types = kwargs.get('types') or (Exception,)
    errnos = [get_errno_name(errno) for errno in errnos]
    try:
        yield
    except types as exc:
        if not hasattr(exc, 'errno'):
            raise
        if exc.errno not in errnos:
            raise


def check_privileges(accept_content):