simple_parser.py: Fixed error when empty regular expression occured and added...

simple_parser.py: Fixed error when empty regular expression occured and added explanation for --verbose
ActivateLogging.py: Adjusted standard logging levels

common/python/nomadcore/ActivateLogging.py

@@ -5,16 +5,18 @@ ch = logging.StreamHandler()
 ch.setLevel(logging.INFO)
 
 logger=logging.getLogger("nomadcore")
-logger.setLevel(logging.DEBUG)
+logger.setLevel(logging.WARNING)
 logger.addHandler(ch)
 
 logger2=logging.getLogger("nomad")
-logger2.setLevel(logging.DEBUG)
+logger2.setLevel(logging.WARNING)
 logger2.addHandler(ch)
 
 def debugToFile():
     "makes a full log to a file named detailed.log"
     fh = logging.FileHandler('detailed.log')
     fh.setLevel(logging.DEBUG)
+    logger.setLevel(logging.DEBUG)
+    logger2.setLevel(logging.DEBUG)
     logger.addHandler(fh)
     logger2.addHandler(fh)

common/python/nomadcore/simple_parser.py

@@ -674,6 +674,9 @@ class CompiledMatcher(object):
 
     def findNextWithRe(self, regex, possible, parser):
         # searching for match would be more efficient than doing line by line as here...
+        # catch empty regular expression
+        if regex.pattern == '':
+            return -3
         while True:
             line = parser.fIn.readline()
             if not line:
@@ -1026,7 +1029,7 @@ class SimpleParser(object):
                 cNames = self.contextDesc()
                 while self.context:
                     self.contextPop()
-                if nextI != -1:
+                if nextI != -1 and nextI != -3:
                     raise Exception("finished with error with parsing context %s" % (cNames))
             else:
                 index = nextI / 2
@@ -1092,12 +1095,13 @@ def mainFunction(mainFileDescription, metaInfoEnv, parserInfo,
                  defaultSectionCachingLevel = CachingLevel.Forward,
                  superContext = None,
                  onClose = {}):
-    usage = """{exeName} [--meta-info] [--help] [--specialize] [--stream] [--uri uri] [path/toFile]
+    usage = """{exeName} [--meta-info] [--help] [--specialize] [--stream] [--uri uri] [--verbose] [path/toFile]
 
     --meta-info outputs the meta info supported by this parser
     --help prints this message
     --specialize expects inclusion and exclusion of meta info to parse via a json dictionary on stdin
     --stream expects the files to parse via dictionary on stdin
+    --verbose writes metainfo to stderr and detailed debug info of parsing process to file detailed.log
 
     If a path to a file is given this is parsed
 """.format(exeName = os.path.basename(sys.argv[0] if len(sys.argv) > 0 else "simple_parser"))