[config] Live reload of setup.cfg

This code allows to reload the setup.cfg everytime
the method `get_conf` in the class `Config` is
called.

Signed-off-by: Valerio Cosentino <[email protected]>

sirmordred/config.py

@@ -22,6 +22,7 @@
 
 import configparser
 import logging
+from threading import Lock
 
 from sirmordred._version import __version__
 
@@ -41,6 +42,8 @@
 class Config():
     """Class aimed to manage sirmordred configuration"""
 
+    config_lock = Lock()
+
     def __init__(self, conf_file, conf_list=[]):
         """Initialize object.
 
@@ -654,8 +657,11 @@ def create_config_file(cls, file_path):
             parser.write(f)
 
     def get_conf(self):
-        # TODO: Return a deepcopy to avoid uncontrolled changes in config?
-        return self.conf
+        """Reload configuration files"""
+
+        with self.config_lock:
+            self.__read_conf_files()
+            return self.conf
 
     def set_param(self, section, param, value):
         """ Change a param in the config """