put cfgfile into its own class

cfgfile.py

@@ -0,0 +1,14 @@
+import json
+
+
+class CfgFile:
+    def __init__(self):
+        self.cfg_file = '/Volumes/GMGAUTHIER/keys/pwdtools/config.json'
+
+    def read(self):
+        with open(self.cfg_file, mode="r") as cfgfile:
+            return json.load(cfgfile)
+
+    def write(self, keys):
+        with open(self.cfg_file, mode="w") as cfgfile:
+            cfgfile.write(json.dumps(keys))

configuration.py

@@ -1,29 +1,21 @@
-import json
+from cfgfile import CfgFile
 
 
 class Config:
     def __init__(self):
-        self.cfg_file = '/Volumes/GMGAUTHIER/keys/pwdtools/config.json'
-        self.data = self.read()
+        self.cfgfile = CfgFile()
+        self.data = self.cfgfile.read()
 
     def get_pwdfilename(self):
         return self.data["pwdfilename"]
 
     def set_pwdfilename(self, pwdfilename):
         self.data["pwdfilename"] = pwdfilename
-        self.write(self.data)
+        self.cfgfile.write(self.data)
 
     def get_secret(self):
         return self.data["secret"]
 
     def set_secret(self, secret):
         self.data["secret"] = secret
-        self.write(self.data)
-
-    def read(self):
-        with open(self.cfg_file, mode="r") as cfgfile:
-            return json.load(cfgfile)
-
-    def write(self, keys):
-        with open(self.cfg_file, mode="w") as cfgfile:
-            cfgfile.write(json.dumps(keys))
+        self.cfgfile.write(self.data)