comparison hglib/client.py @ 169:e6589149b2c8 1.9

client: include stderr message in ServerError on initial communication failure

If _readhello() raises ServerError, the server must be unusable. So we can
terminate it to get status code and error message.

168:d71bd813c9d7

    def open(self):
        if self.server is not None:
            raise ValueError('server already open')

        self.server = util.popen(self._args, self._env)
        self._readhello()
        return self

    def close(self):
        """Closes the command server instance and waits for it to exit,
        returns the exit code.

169:e6589149b2c8

    def open(self):
        if self.server is not None:
            raise ValueError('server already open')

        self.server = util.popen(self._args, self._env)
        try:
            self._readhello()
        except error.ServerError:
            ret, serr = self._close()
            raise error.ServerError('server exited with status %d: %s'
                                    % (ret, serr.strip()))
        return self

    def close(self):
        """Closes the command server instance and waits for it to exit,
        returns the exit code.