misc.py 文件源码

def out_of_memory():
        """Return an out of memory message, for use in a MemoryError handler."""

        # figure out how much memory we're using (note that we could run out
        # of memory while doing this, so check for that.
        vsz = None
        try:
                vmusage = __getvmusage()
                if vmusage is not None:
                        vsz = bytes_to_str(vmusage, fmt="{num:.0f}{unit}")
        except (MemoryError, EnvironmentError) as __e:
                if isinstance(__e, EnvironmentError) and \
                    __e.errno != errno.ENOMEM:
                        raise

        if vsz is not None:
                error = """\
There is not enough memory to complete the requested operation.  At least
{vsz} of virtual memory was in use by this command before it ran out of memory.
You must add more memory (swap or physical) or allow the system to access more
existing memory, or quit other programs that may be consuming memory, and try
the operation again."""
        else:
                error = """\
There is not enough memory to complete the requested operation.  You must
add more memory (swap or physical) or allow the system to access more existing
memory, or quit other programs that may be consuming memory, and try the
operation again."""

        return _(error).format(**locals())


# EmptyI for argument defaults