Revert "Remove get_settings API command"

This reverts commit c39f89356c.

plexpy/api2.py

@@ -271,6 +271,51 @@ class API2(object):
 
         return templog
 
+    def get_settings(self, key=''):
+        """ Gets all settings from the config file.
+
+            ```
+            Required parameters:
+                None
+
+            Optional parameters:
+                key (str):      Name of a config section to return
+
+            Returns:
+                json:
+                    {"General": {"api_enabled": true, ...}
+                     "Advanced": {"cache_sizemb": "32", ...},
+                     ...
+                     }
+            ```
+        """
+
+        interface_dir = os.path.join(plexpy.PROG_DIR, 'data/interfaces/')
+        interface_list = [name for name in os.listdir(interface_dir) if
+                          os.path.isdir(os.path.join(interface_dir, name))]
+
+        conf = plexpy.CONFIG._config
+        config = {}
+
+        # Truthify the dict
+        for k, v in conf.items():
+            if isinstance(v, dict):
+                d = {}
+                for kk, vv in v.items():
+                    if vv == '0' or vv == '1':
+                        d[kk] = bool(vv)
+                    else:
+                        d[kk] = vv
+                config[k] = d
+            if k == 'General':
+                config[k]['interface'] = interface_dir
+                config[k]['interface_list'] = interface_list
+
+        if key:
+            return config.get(key)
+
+        return config
+
     def sql(self, query=''):
         """ Query the Tautulli database with raw SQL. Automatically makes a backup of
             the database if the latest backup is older then 24h. `api_sql` must be