Update license stamper to add current new year and update files

tools/license_stamper.py

@@ -23,6 +23,7 @@
 #  THE SOFTWARE.
 #####################################################################################
 import subprocess, os
+import datetime
 
 #Debug flag
 debug = False
@@ -65,17 +66,20 @@ def hasKeySequence(inputfile, key_message):
     result = False
     line_cnt = 0
     line_limit = 10
+    target_line = -1
 
     for line in inputfile:
-        line_cnt = line_cnt + 1
         if key_message in line:
             result = True
+            target_line = line_cnt
             break
 
+        line_cnt = line_cnt + 1
+
         if line_cnt >= line_limit:
             break
 
-    return result
+    return [result, target_line]
 
 
 # Header and footer of the comment block
@@ -116,6 +120,10 @@ def openAndWriteFile(filename, message, commentChar):
     save_markdown_lines = []
     modify_markdown = False
 
+    current_year = str(datetime.date.today().year)
+    needs_update = False
+    update_line = -1
+
     #open save old contents and append things here
     if debug is True:
         print("Open", filename, end='')
@@ -155,7 +163,18 @@ def openAndWriteFile(filename, message, commentChar):
                 hasOtherLic = hasKeySequence(save, "Software License")
 
                 #Check if we have a licence stamp already
-                if hasAmdLic or hasOtherLic is True:
+                if hasAmdLic[0] or hasOtherLic[0] is True:
+                    hasOldAmdLic = hasKeySequence(
+                        save, "2015-" + current_year +
+                        " Advanced Micro Devices, Inc. All rights reserved.")
+
+                    if hasOldAmdLic[0] is True and hasOtherLic[0] is False:
+                        if debug is True:
+                            print("....License Out of Date: Updating file ")
+                        needs_update = True
+                        update_line = hasOldAmdLic[1]
+
+                    else:
                         if debug is True:
                             print("....Already Stamped: Skipping  file ")
 
@@ -171,6 +190,21 @@ def openAndWriteFile(filename, message, commentChar):
     if debug is True:
         print("...Writing header", end='')
 
+    if needs_update is True and update_line > -1:
+        with open(filename, rw) as contents:
+
+            data = [next(filename) for x in range(update_line + 1)]
+
+            index = data[update_line].index("-")
+
+            data[update_line] = data[
+                update_line][:index] + current_year + data[update_line][index +
+                                                                        4:]
+
+            #write remaining contents
+            contents.write(data)
+
+    elif needs_update is False:
         with open(filename, 'w') as contents:
             #append the licence to the top of the file