Order modules in the report

cal_tools/cal_tools/tools.py

@@ -15,10 +15,29 @@ import time
 from uuid import uuid4
 
 
+def atoi(text):
+    '''
+    Convert string to integer is possible
+
+    :param text: string to be converted
+    :return: integer value or input string
+    '''
+
+    return int(text) if text.isdigit() else text
+
+
+def natural_keys(text):
+    '''
+    Decompose string to list of integers and sub-strings
+    '''
+    return [ atoi(c) for c in re.split(r'(\d+)', text) ]
+
+
 def combine_report(run_path, calibration):
     sphinx_path = "{}/sphinx_rep".format(os.path.abspath(run_path))
     os.makedirs(sphinx_path)
     direntries = os.listdir(run_path)
+    direntries.sort(key=natural_keys)
     
     for entry in direntries: