Merge branch 'develop' into 'master'

new release

See merge request linuxfabrik-icinga-plugins/lib-linux!3

Author: markuslf

__init__.py

@@ -1 +1 @@
-# needed in order to be able to import from this directory
+# needed in order to be able to import from this directory

args.py

@@ -8,32 +8,49 @@
 
 # https://git.linuxfabrik.ch/linuxfabrik-icinga-plugins/checks-linux/-/blob/master/CONTRIBUTING.md
 
-__author__  = 'Linuxfabrik GmbH, Zurich/Switzerland'
-__version__ = '2020040701'
+"""Extends argparse by new input argument data types on demand.
+"""
 
+__author__ = 'Linuxfabrik GmbH, Zurich/Switzerland'
+__version__ = '2020043001'
 
-def csv(string):
-    return [x.strip() for x in string.split(',')]
 
+def csv(arg):
+    """Returns a list from a `csv` input argument.
+    """
 
-def float_or_none(input):
-    if input is None or str(input.lower()) == 'none':
+    return [x.strip() for x in arg.split(',')]
+
+
+def float_or_none(arg):
+    """Returns None or float from a `float_or_none` input argument.
+    """
+
+    if arg is None or str(arg.lower()) == 'none':
         return None
-    return float(input)
+    return float(arg)
+
 
+def int_or_none(arg):
+    """Returns None or int from a `int_or_none` input argument.
+    """
 
-def int_or_none(input):
-    if input is None or str(input.lower()) == 'none':
+    if arg is None or str(arg.lower()) == 'none':
         return None
-    return int(input)
+    return int(arg)
 
 
-def range_or_none(input):
-    return str_or_none(input)
+def range_or_none(arg):
+    """Returns None or range from a `range_or_none` input argument.
+    """
 
+    return str_or_none(arg)
 
-def str_or_none(input):
-    if input is None or str(input.lower()) == 'none':
-        return None
-    return str(input)
 
+def str_or_none(arg):
+    """Returns None or str from a `str_or_none` input argument.
+    """
+
+    if arg is None or str(arg.lower()) == 'none':
+        return None
+    return str(arg)