Bug fixes: timeout errors and CYCLIC DB option

src/bcs.py

@@ -37,6 +37,7 @@ import numpy as np
 import socket
 from select import select
 import time
+import traceback
 
 #==================================================================
 #   BCS Class Description:
@@ -137,15 +138,17 @@ class BCS(PyTango.Device_4Impl):
             # Sockets from which we expect to read
             timeout=2.5
             readable = select([self.s],[],[],timeout)
-            if readable:
-                reply = str(self.s.recv(1024))
-        except Exception as e:
+            if not readable[0]:
+                PyTango.Except.throw_exception("BCS Communication error","Timeout error","WriteRead")
+            reply = str(self.s.recv(1024))
+	    self.failures = 0
+        except:
             self.failures += 1
             if self.failures == 10:
                 self.connectionOk = False
                 self.s.close()
             self.error_stream("BCS Communication error %s" % str(reply))
-            PyTango.Except.throw_exception("BCS Communication error",e.message.strip(),"WriteRead")
+            PyTango.Except.throw_exception("BCS Communication error",traceback.format_exc(),"WriteRead")
         return reply.split("\r\n")[0]
 
 
@@ -315,9 +318,8 @@ class BCS(PyTango.Device_4Impl):
                 def_prop.set_standard_unit(attrinfo[1])
                 def_prop.set_label(attrName);
                 dynAttr.set_default_properties(def_prop);
-            
             a = self.add_attribute(dynAttr,self.readFromBCS)
-            if (PyTango.__version_info__[0] == 8) and (attrinfo[-2] == "C"):
+            if (PyTango.__version_info__[0] > 7) and (attrinfo[-2] == "C"):
                 # "Easy" Attribute Polling available only with PyTango 8.x
                 self.poll_attribute(attrName,int(attrinfo[-1]))
         #
@@ -327,7 +329,7 @@ class BCS(PyTango.Device_4Impl):
             self.BCS_cmds[attrName] = uespoint[1]
             dynAttr = PyTango.Attr(attrName, attrtype, PyTango.AttrWriteType.READ_WRITE)
             a = self.add_attribute(dynAttr,self.readUesFromBCS,self.writedUesToBCS)
-            if (PyTango.__version_info__[0] == 8) and (attrinfo[-2] == "C"):
+            if (PyTango.__version_info__[0] > 7) and (attrinfo[-2] == "C"):
                 # "Easy" Attribute Polling available only with PyTango 8.x
                 self.poll_attribute(attrName,int(attrinfo[-1]))
         #