add warning_box func to fpdb, add validate_config func, checks existence of hhArchiveBase, pops up warnings if not present

hhc traps errors creating folders, need to learn how to make it fail properly afterwards.

pyfpdb/HandHistoryConverter.py

@@ -82,13 +82,21 @@ follow :  whether to tail -f the input"""
             # TODO: out_path should be sanity checked.
             out_dir = os.path.dirname(self.out_path)
             if not os.path.isdir(out_dir) and out_dir != '':
-                log.info("Creating directory '%s'" % out_dir)
-                os.makedirs(out_dir)
+                try:
+                    os.makedirs(out_dir)
+                except: # we get a WindowsError here in Windows.. pretty sure something else for Linux :D
+                    log.error("Unable to create output directory %s for HHC!" % out_dir)
+                    print "*** ERROR: UNABLE TO CREATE OUTPUT DIRECTORY", out_dir
+                    # TODO: pop up a box to allow person to choose output directory?
+                    # TODO: shouldn't that be done when we startup, actually?
+                else:
+                    log.info("Created directory '%s'" % out_dir)
             try:
                 self.out_fh = codecs.open(self.out_path, 'w', 'cp1252')
-                log.debug("out_path %s opened as %s" % (self.out_path, self.out_fh))
             except:
                 log.error("out_path %s couldn't be opened" % (self.out_path))
+            else:
+                log.debug("out_path %s opened as %s" % (self.out_path, self.out_fh))
 
         self.follow = follow
         self.compiledPlayers   = set()