Fix scripts so they can work with python3 (#10276)

utils/generateErrorfile.py

@@ -1,4 +1,5 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
+from __future__ import print_function
 import csv, sys, os.path, re
 
 # wrap text after x characters
@@ -121,13 +122,17 @@ prologue = "/// auto-generated file generated from errors.dat\n"\
          + "\n"
 
 if len(sys.argv) < 3:
-  print >> sys.stderr, "usage: %s <sourcefile> <outfile>" % sys.argv[0]
-  sys.exit()
+  print("usage: {} <sourcefile> <outfile>".format(sys.argv[0]), file=sys.stderr)
+  sys.exit(1)
 
 source = sys.argv[1]
 
 # read input file
-errors = csv.reader(open(source, "rb"))
+
+erros = []
+with open(source) as source_fh:
+    errors = csv.reader(open(source, "r"))
+
     errorsList = []
 
     r1 = re.compile(r'^#.*')
@@ -140,7 +145,7 @@ for e in errors:
         continue
 
       if e[0] == "" or e[1] == "" or e[2] == "" or e[3] == "":
-    print >> sys.stderr, "invalid error declaration file: %s" % (source)
+        print("invalid error declaration file: {}".format(source), file=sys.stderr)
         sys.exit()
 
       errorsList.append(e)
@@ -160,10 +165,8 @@ elif extension == ".h":
 elif extension == ".cpp":
   out = genCFile(errorsList, filename)
 else:
-  print >> sys.stderr, "usage: %s <sourcefile> <outfile>" % sys.argv[0]
-  sys.exit()
-
-outFile = open(outfile, "wb")
-outFile.write(out)
-outFile.close()
+  print("usage: {} <sourcefile> <outfile>".format(sys.argv[0]), file=sys.stderr)
+  sys.exit(1)
 
+with open(outfile, "w") as out_fh:
+    out_fh.write(out)

utils/generateExitCodesFiles.py

@@ -1,4 +1,5 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
+from __future__ import print_function
 import csv, sys, os.path, re
 
 # wrap text after x characters
@@ -169,14 +170,16 @@ prologue = "/// auto-generated file generated from exitcodes.dat\n"\
          + "\n"
 
 if len(sys.argv) < 3:
-  print >> sys.stderr, "usage: %s <sourcefile> <outfile>" % sys.argv[0]
-  sys.exit()
+  print("usage: {} <sourcefile> <outfile>".format(sys.argv[0]), file=sys.stderr)
+  sys.exit(1)
 
 source = sys.argv[1]
 
 # read input file
-errors = csv.reader(open(source, "rb"))
+errors=None
 errorsList = []
+with open(source, "r") as source_fh:
+    errors = csv.reader(source_fh)
 
     r1 = re.compile(r'^#.*')
 
@@ -188,8 +191,8 @@ for e in errors:
         continue
 
       if e[0] == "" or e[1] == "" or e[2] == "" or e[3] == "":
-    print >> sys.stderr, "invalid exit code declaration file: %s" % (source)
-    sys.exit()
+        print("invalid exit code declaration file: {}".format(source), file=sys.stderr)
+        sys.exit(1)
 
       errorsList.append(e)
 
@@ -210,10 +213,8 @@ elif extension == ".cpp":
 elif extension == ".nsh":
   out = genNSISFile(errorsList, filename)
 else:
-  print >> sys.stderr, "usage: %s <sourcefile> <outfile>" % sys.argv[0]
-  sys.exit()
-
-outFile = open(outfile, "wb")
-outFile.write(out);
-outFile.close()
+  print("usage: {} <sourcefile> <outfile>".format(sys.argv[0]), file=sys.stderr)
+  sys.exit(1)
 
+with open(outfile, "w") as out_fh:
+    out_fh.write(out);