pep8 conventions

src/cnfparse.py

-import ConfigParser as configparser
+import sys
+if sys.version_info < (3, 0):
+    import ConfigParser as configparser
+else:
+    import configparser
 
 
-def importConf(path_to_file):
+def import_conf(path_to_file):
     config = configparser.RawConfigParser(allow_no_value=False)
     try:
         config.read(path_to_file)
         params = {}
         metrics = {}
         params["debugMode"] = config.get("Client", "Debug")
+        ##
+        ## Metrics
+        ##
         metrics["cpu.usage"] = int(config.get("Metrics", "cpuUsage"))
         metrics["cpu.times"] = int(config.get("Metrics", "cpuTimes"))
         metrics["memory.usage"] = int(config.get("Metrics", "memoryUsage"))
@@ -16,17 +23,23 @@ def importConf(path_to_file):
         metrics["system.boot_time"] = int(config.get("Metrics",
                                                      "systemBootTime"))
         metrics["network"] = int(config.get("Metrics", "dataTraffic"))
+        ##
+        ## Params
+        ##
         params["kvmCpuUsage"] = int(config.get("KVM", "cpuUsage"))
         params["kvmMemoryUsage"] = int(config.get("KVM", "memoryUsage"))
         params["kvmNetworkUsage"] = int(config.get("KVM", "networkUsage"))
     except configparser.NoSectionError:
-        print("Config file contains error! Reason: Missing section.")
+        print("[ERROR] Config file contains error! "
+              "Reason: Missing section.")
         raise
     except configparser.ParsingError:
-        print("Config file contains error! Reason: Cannot parse.")
+        print("[ERROR] Config file contains error! "
+              "Reason: Cannot parse.")
         raise
     except configparser.MissingSectionHeaderError:
-        print("Config file contains error! Reason: Missing section-header.")
+        print("[ERROR] Config file contains error! "
+              "Reason: Missing section-header.")
         raise
 
     return params, metrics

src/collectables.py

@@ -18,20 +18,19 @@ class collectables:
     }
 
     @staticmethod
-    def listKeys():
+    def list_keys():
         return list(collectables.__collectables.keys())
 
     @staticmethod
-    def listMetricsToKey(key):
+    def list_metrics_to_key(key):
         return collectables.__collectables[key]
 
     @staticmethod
-    def listMetricsNameToKey(key):
+    def list_metrics_name_to_key(key):
         return [x.name for x in collectables.__collectables[key]]
 
     @staticmethod
     def provide(requests=[]):
-        #valid_keys = collectables.listKeys()
         reqs = []
         for requests, value in requests.items():
             if value > 0:
@@ -44,4 +43,4 @@ class collectables:
 
     @staticmethod
     def provideAll():
-        return collectables.provide(collectables.listKeys())
+        return collectables.provide(collectables.list_keys())