[gtk/better-dead-keys: 3/5] compose-parse: Add a negative lookaside




commit a41cd9b1fa62ffd32d607f0c4120ef4cde89f333
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Mar 21 20:53:24 2021 -0400

    compose-parse: Add a negative lookaside
    
    Make this script parse gtk-compose-remove.txt for
    sequences to remove from the xorg Compose file.
    This will be used for removing some deadkey combinations
    that we can handle better in code.
    
    Also, make this script explicitly python2. I tried
    porting it to python3, but gave up in the end.

 gtk/compose-parse.py | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)
---
diff --git a/gtk/compose-parse.py b/gtk/compose-parse.py
index 767f2b421e..23444bc1ed 100755
--- a/gtk/compose-parse.py
+++ b/gtk/compose-parse.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2
 # -*- coding: utf-8 -*-
 #
 # compose-parse.py, version 1.4
@@ -26,6 +26,7 @@ URL_KEYSYMSTXT = "http://www.cl.cam.ac.uk/~mgk25/ucs/keysyms.txt";
 URL_GDKKEYSYMSH = "http://git.gnome.org/browse/gtk%2B/plain/gdk/gdkkeysyms.h";
 URL_UNICODEDATATXT = 'http://www.unicode.org/Public/6.0.0/ucd/UnicodeData.txt'
 FILENAME_COMPOSE_SUPPLEMENTARY = 'gtk-compose-lookaside.txt'
+FILENAME_COMPOSE_NEGATIVE_SUPPLEMENTARY = 'gtk-compose-remove.txt'
 
 # We currently support keysyms of size 2; once upstream xorg gets sorted, 
 # we might produce some tables with size 2 and some with size 4.
@@ -448,6 +449,18 @@ xorg_compose_sequences_raw = []
 for seq in composefile.readlines():
         xorg_compose_sequences_raw.append(seq)
 
+try:
+        composefile_lookaside = open(FILENAME_COMPOSE_NEGATIVE_SUPPLEMENTARY, 'r')
+        for seq in composefile_lookaside.readlines():
+                xorg_compose_sequences_raw.remove(seq)
+except IOError, (errno, strerror):
+        if opt_verbose:
+                print "I/O error(%s): %s" % (errno, strerror)
+                print "Did not find negative lookaside compose file. Continuing..."
+except:
+        print "Unexpected error: ", sys.exc_info()[0]
+        sys.exit(-1)
+
 try:
         composefile_lookaside = open(FILENAME_COMPOSE_SUPPLEMENTARY, 'r')
         for seq in composefile_lookaside.readlines():


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