Refine parse error message a bit.

libpathod/rparse.py

@@ -22,7 +22,7 @@ class ParseException(Exception):
         return "%s\n%s"%(self.s, " "*(self.col-1) + "^")
 
     def __str__(self):
-        return "%s at offset %s of %s"%(self.msg, self.col, repr(self.s))
+        return "%s at char %s"%(self.msg, self.col)
 
 
 def actions_log(lst):

libpathod/utils.py

@@ -45,10 +45,24 @@ def xrepr(s):
     return repr(s)[1:-1]
 
 
+def inner_repr(s):
+    """
+        Returns the inner portion of a string or unicode repr (i.e. without the
+        quotes)
+    """
+    if isinstance(s, unicode):
+        return repr(s)[2:-1]
+    else:
+        return repr(s)[1:-1]
+
+
 def escape_unprintables(s):
+    """
+        Like inner_repr, but preserves line breaks.
+    """
     s = s.replace("\r\n", "PATHOD_MARKER_RN")
     s = s.replace("\n", "PATHOD_MARKER_N")
-    s = repr(s)[1:-1]
+    s = inner_repr(s)
     s = s.replace("PATHOD_MARKER_RN", "\n")
     s = s.replace("PATHOD_MARKER_N", "\n")
     return s

test/test_utils.py

@@ -17,6 +17,11 @@ def test_data_path():
     tutils.raises(ValueError, utils.data.path, "nonexistent")
 
 
+def test_inner_repr():
+    assert utils.inner_repr("\x66") == "\x66"
+    assert utils.inner_repr(u"foo") == "foo"
+
+
 def test_escape_unprintables():
     s = "".join([chr(i) for i in range(255)])
     e = utils.escape_unprintables(s)