allow a configfile path as single argument to secop-server

when a full path is given as single argument to secop-server,
the server name has to be sanitized

Change-Id: I1d11f076157548e90877f380f0cab3a6a3f96784
Reviewed-on: https://forge.frm2.tum.de/review/c/sine2020/secop/playground/+/28232
Tested-by: Jenkins Automated Tests <pedersen+jenkins@frm2.tum.de>
Reviewed-by: Markus Zolliker <markus.zolliker@psi.ch>

secop/server.py

@@ -89,9 +89,11 @@ class Server:
         """
         self._testonly = testonly
 
-        self.log = parent_logger.getChild(name, True)
         if not cfgfiles:
             cfgfiles = name
+        # sanitize name (in case it is a cfgfile)
+        name = os.path.splitext(os.path.basename(name))[0]
+        self.log = parent_logger.getChild(name, True)
         merged_cfg = OrderedDict()
         ambiguous_sections = set()
         for cfgfile in cfgfiles.split(','):