rename filter to regexFilter

to prevent to redifine an builtin function

includes/regexFilter.py

@@ -0,0 +1,98 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+
+"""
+Functions for the RegEX filter
+
+@author: Bastian Schroll
+
+@requires: Configuration has to be set in the config.ini
+"""
+
+import logging # Global logger
+import re #Regex for Filter Check
+
+from includes import globals  # Global variables
+from includes.helper import freqConverter  # converter functions
+
+
+# local variables
+filterList = []
+
+
+def loadFilters():
+	"""
+	load all filters from the config.ini into filterList
+
+	@requires:  Configuration has to be set in the config.ini
+
+	@return:    nothing
+	"""
+	global filterList
+	try:
+		logging.debug("loading filters")
+		# For each entry in config.ini [Filters] section
+		for key,val in globals.config.items("Filters"):
+			logging.debug(" - %s = %s", key, val)
+			filter = val.split(";")
+
+			# resolve the * for freqToHz()
+			if not filter[3] == "*":
+				filter[3] = converter.freqToHz(filter[3])
+
+			# insert splitet data into filterList
+			filterList.append({"name": key, "typ": filter[0], "dataField": filter[1], "plugin": filter[2], "freq": filter[3], "regex": filter[4]})
+	except:
+		logging.error("cannot read config file")
+		logging.debug("cannot read config file", exc_info=True)
+		return
+
+
+def checkFilters(typ, data, plugin, freq):
+	"""
+	Check the Typ/Plugin combination with the RegEX filter
+	If no filter for the combination is found, function returns True.
+
+	@type    typ:  string (FMS|ZVEI|POC)
+	@param   typ:  Typ of the dataset
+	@type    data: map of data (structure see readme.md in plugin folder)
+	@param   data: Contains the parameter
+	@type    plugin: string
+	@param   plugin: Name of the plugin to checked
+	@type    freq: string
+	@param   freq: frequency of the SDR Stick
+
+	@requires:  all filters in the filterList
+
+	@return:    nothing
+	"""
+	global filterList
+	try:
+		logging.debug("search Filter for %s to %s at %s Hz", typ, plugin, freq)
+
+		foundFilter = False
+		# go to all filter in filterList
+		for i in filterList:
+			# if typ/plugin/freq combination is found
+			if i["typ"] == typ and (i["plugin"] == plugin or i['plugin'] == "*") and (i["freq"] == freq or i['freq'] == "*"):
+				foundFilter = True
+				logging.debug("found Filter: %s = %s", i["name"], i["regex"])
+				# Check the RegEX
+				if re.search(i["regex"], data[i["dataField"]]):
+					logging.debug("Filter passed: %s", i["name"])
+					return True
+				else:
+					logging.debug("Filter not passed: %s", i["name"])
+
+		if foundFilter:
+			logging.debug("no Filter passed")
+			return False
+		else:
+			logging.debug("no Filter found")
+			return True
+
+	except:
+		logging.error("Error in filter checking")
+		logging.debug("Error in filter checking", exc_info=True)
+		# something goes wrong, data will path
+		return True