diff -r 547319e56c60 -r 666c2b81cbb7 eric7/E5Network/E5JsonClient.py
--- a/eric7/E5Network/E5JsonClient.py Wed May 19 18:16:45 2021 +0200
+++ b/eric7/E5Network/E5JsonClient.py Wed May 19 19:53:36 2021 +0200
@@ -155,3 +155,49 @@
with contextlib.suppress(socket.error, OSError):
self.__connection.shutdown(socket.SHUT_RDWR)
self.__connection.close()
+
+ def poll(self, waitMethod=""):
+ """
+ Public method to check and receive one message (if available).
+
+ @param waitMethod name of a method to wait for
+ @type str
+ @return dictionary containing the data of the waited for method
+ @rtype dict
+ """
+ try:
+ if waitMethod:
+ rrdy, wrdy, xrdy = select.select(
+ [self.__connection], [], [])
+ else:
+ rrdy, wrdy, xrdy = select.select(
+ [self.__connection], [], [], 0)
+
+ if self.__connection in rrdy:
+ method, params = self.__receiveJson()
+ if method is not None:
+ if method == "Exit":
+ self.__exitClient = True
+ elif method == waitMethod:
+ return params
+ else:
+ self.handleCall(method, params)
+
+ except (select.error, KeyboardInterrupt, socket.error):
+ # just ignore these
+ pass
+
+ except Exception:
+ exctype, excval, exctb = sys.exc_info()
+ tbinfofile = io.StringIO()
+ traceback.print_tb(exctb, None, tbinfofile)
+ tbinfofile.seek(0)
+ tbinfo = tbinfofile.read()
+ del exctb
+ self.sendJson("ClientException", {
+ "ExceptionType": str(exctype),
+ "ExceptionValue": str(excval),
+ "Traceback": tbinfo,
+ })
+
+ return None
