work for improvements

--HG--
branch : pmacs2

method/utf8.py

@@ -95,6 +95,23 @@ width_map = {
     'N':  'Narrow',
 }
 
+def hex2(i):
+    h = hex(i)[2:]
+    if len(h) % 2 == 1:
+        return '0' + h
+    else:
+        return h
+
+def uniesc(i):
+    return '\\x' + hex2(i)
+
+def unichar(s):
+    s = "u'" + s + "'"
+    try:
+        return eval(s, {}, {})
+    except:
+        return None
+
 def unicodeget(u, fname, fallback):
     try:
         f = getattr(unicodedata, fname)
@@ -127,11 +144,9 @@ Normalize      %s
 Numeric        %s'''
     def _execute(self, w, **vargs):
         s = "u'" + vargs['code'] + "'"
-        try:
-            u = eval(s, {}, {})
-            w.insert_string_at_cursor(u)
-        except:
-            w.set_error("invalid: %s" % vargs['data'])
+        u = unichar(vargs['code'])
+        if u is None:
+            w.set_error("invalid: %s" % vargs['code'])
             return
 
         a = unicodeget(u, 'category', '??')
@@ -184,8 +199,6 @@ class Utf8Insert(Method):
     args = [arg("data", t=type(""), p="UTF-8 Data: ", h="the UTF-8 data to use")]
     def _execute(self, w, **vargs):
         s = "u'" + vargs['data'] + "'"
-        try:
-            u = eval(s, {}, {})
-            w.insert_string_at_cursor(u)
-        except:
+        u = unichar(vargs['code'])
+        if u is None:
             w.set_error("invalid: %s" % vargs['data'])