def _handleProgress(self, offset, line):
        line = line[offset:].strip()
        if line[0] in self._plusminus:
            whence = PROGRESS_CUR
            delta = int(line)
        elif line == self._push_sym:
            whence = PROGRESS_PUSH
            delta = None
        elif line == self._pop_sym:
            whence = PROGRESS_POP
            delta = None
        else:
            whence = PROGRESS_SET
            delta = int(line)
        self.client.progress(delta, whence)
Process a progress directive.
dataset/ETHPy150Open byt3bl33d3r/pth-toolkit/lib/python2.7/site-packages/samba/external/subunit/__init__.py/TestProtocolServer._handleProgress