X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=scripts%2Fbuild%2Fpytt.py;h=72e5825f04842d9587f9bcf6f87d35ebb8df9dcb;hb=8848da24e00c75d7de626b2ecc409fb45e87ce4a;hp=09f5c7b1f61ea4d9ce92438ad989e11282c0d2bd;hpb=6140c6eb657080939fa4aef3d00d717bd85b5028;p=lilypond.git

diff --git a/scripts/build/pytt.py b/scripts/build/pytt.py
old mode 100644
new mode 100755
index 09f5c7b1f6..72e5825f04
--- a/scripts/build/pytt.py
+++ b/scripts/build/pytt.py
@@ -1,24 +1,52 @@
-#!@PYTHON@
+#! /usr/bin/python
+
+'''
+    Copyright (C) 2008--2012 Jan Nieuwenhuizen <janneke@gnu.org>
+
+    This program is free software; you can redistribute it and/or
+    modify it under the terms of the GNU General Public License as
+    published by the Free Software Foundation; either version 3 of the
+    License, or (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+'''
 
 import os
 import re
+import stat
 import sys
 
-frm = re.compile (sys.argv[1], re.MULTILINE)
-to = sys.argv[2]
-
-if not sys.argv[3:] or sys.argv[3] == '-':
-	sys.stdout.write (re.sub (frm, to, sys.stdin.read ()))
-for file in sys.argv[3:]:
-	s = open (file).read ()
-	name = os.path.basename (file)
-	base, ext = os.path.splitext (name)
-	t = re.sub (frm, to % locals (), s)
-	if s != t:
-		if 1:
-			os.system ('mv %(file)s %(file)s~~' % locals ())
-			h = open (file, "w")
-			h.write (t)
-			h.close ()
-		else:
-			sys.stdout.write (t)
+dry_run = False
+
+def pytt (from_re, to, file_name):
+    s = file (file_name).read ()
+    name = os.path.basename (file_name)
+    base, ext = os.path.splitext (name)
+    t = re.sub (from_re, to % locals (), s)
+    if s != t:
+        if dry_run:
+            sys.stdout.write (t)
+        else:
+            stat_info = os.stat (file_name)
+            mode = stat.S_IMODE (stat_info[stat.ST_MODE])
+            os.system ('mv --backup=t %(file_name)s %(file_name)s~' % locals ())
+            file (file_name, 'w').write (t)
+            os.chmod (file_name, mode)
+
+def main ():
+    from_re = re.compile (sys.argv[1], re.MULTILINE)
+    to = sys.argv[2]
+    if not sys.argv[3:] or sys.argv[3] == '-':
+        sys.stdout.write (re.sub (from_re, to, sys.stdin.read ()))
+    else:
+        for f in sys.argv[3:]:
+            pytt (from_re, to, f)
+    
+if __name__ == '__main__':
+    main ()