Makes xcp/net/ifrename/{dynamic.py,static.py} more similar

They are pretty similar, sync some differences.

Signed-off-by: Frediano Ziglio <[email protected]>

xcp/net/ifrename/dynamic.py

@@ -238,7 +238,6 @@ def generate(self, state):
 
             LOG.critical("Unknown dynamic rule method %s" % method)
 
-
     def write(self, header = True):
         """
         Write the dynamic rules to a string

xcp/net/ifrename/static.py

@@ -292,6 +292,9 @@ def generate(self, state):
             LOG.critical("Unknown static rule method %s" % method)
 
     def write(self, header = True):
+        """
+        Write the static rules to a string
+        """
 
         res = ""
 
@@ -320,6 +323,10 @@ def write(self, header = True):
         return res
 
     def save(self, header = True):
+        """
+        Save the static rules to a file/path.
+        Returns boolean indicating success or failure.
+        """
 
         fd = None