tools/defs_gen/*.py: Specify that this is python3 code

Specify #!/usr/bin/env python3, making it unnecessary to have a python
command which is a link to python3.
In h2def.py, use the built-in set() instead of Set() from the sets module.

3 files changed, 4 insertions, 6 deletions

diff --git a/tools/defs_gen/docextract_to_xml.py b/tools/defs_gen/docextract_to_xml.py
index 7c73cc0c..51e485fc 100755
--- a/tools/defs_gen/docextract_to_xml.py
+++ b/tools/defs_gen/docextract_to_xml.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*- Mode: Python; py-indent-offset: 4 -*-
 #
 # This litte script outputs the C doc comments to an XML format.
diff --git a/tools/defs_gen/h2def.py b/tools/defs_gen/h2def.py
index 9ca95d27..6417f17f 100755
--- a/tools/defs_gen/h2def.py
+++ b/tools/defs_gen/h2def.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*- Mode: Python; py-indent-offset: 4 -*-
 # GPL'ed
 # Toby D. Reeves <toby@max.rl.plh.af.mil>
@@ -73,8 +73,6 @@ import sys
 
 import defsparser
 
-from sets import Set
-
 # ------------------ Create typecodes from typenames ---------
 
 _upperstr_pat1 = re.compile(r'([^A-Z])([A-Z])')
@@ -507,7 +505,7 @@ class DefsWriter:
     def _define_func(self, buf):
         buf = clean_func(buf)
         buf = buf.split('\n')
-        all_functions = Set()
+        all_functions = set()
         filter = self._functions
         for p in buf:
             if not p:
diff --git a/tools/defs_gen/scmexpr.py b/tools/defs_gen/scmexpr.py
index d8055336..5898b3b7 100755
--- a/tools/defs_gen/scmexpr.py
+++ b/tools/defs_gen/scmexpr.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*- Mode: Python; py-indent-offset: 4 -*-