How to use read_err_maybe method in yandex-tank

Best Python code snippet using yandex-tank

util.py

Source:util.py

...163        if self.session.recv_ready():164            return self.session.recv(4096).decode('utf8')165        else:166            return None167    def read_err_maybe(self):168        if self.session.recv_stderr_ready():169            return self.session.recv_stderr(4096).decode('utf8')170        else:171            return None172# HTTP codes173HTTP = http.client.responses174# Extended list of HTTP status codes(WEBdav etc.)175# HTTP://en.wikipedia.org/wiki/List_of_HTTP_status_codes176WEBDAV = {177    102: 'Processing',178    103: 'Checkpoint',179    122: 'Request-URI too long',180    207: 'Multi-Status',181    226: 'IM Used',...

client.py

Source:client.py

...366                             self.session.exit_status(),367                             self.host)368                self.successfull_stop = True369                done = True370            agent_stderr = self.session.read_err_maybe()371            if agent_stderr and 'stopped' in agent_stderr:372                logger.debug('Got stopped message from %s', self.host)373                done = True374    def _kill_agent(self):375        if self.agent_remote_folder:376            tpl = ('main_p=$(pgrep -f "[p]ython.*{folder}");'377                   'tlgrf_p=$(pgrep -f "[t]elegraf.*{folder}");'378                   'descendent_pids(){{ if [ "x$1" != "x" ]; then '379                   'pids=$(pgrep -P $1); echo $pids;'380                   'for p in $pids; do descendent_pids $p; done; fi }};'381                   'all_p=$(descendent_pids ${{main_p}});'382                   'if [ "x${{main_p}}${{tlgrf_p}}${{all_p}}" != "x" ] ; then '383                   ' kill -9 ${{main_p}} ${{tlgrf_p}} ${{all_p}}; fi')384            cmd = tpl.format(folder=self.agent_remote_folder)...

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