[kupfer] desktop_parse: Unescape unquoted backslashes in commandlines

[Ulrik Sverdrup <usverdrup src gnome org>]

commit 4f24bd53f22d40f5ed37fea57519af46039d4202
Author: Ulrik Sverdrup <ulrik sverdrup gmail com>
Date:   Mon Apr 4 15:24:06 2011 +0200

    desktop_parse: Unescape unquoted backslashes in commandlines
    
    Backslashes ``\`` must always be inside quoted parts in commandlines
    (desktop spec Exec key), but we try to handle the case where they are
    not.

 kupfer/desktop_parse.py |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/kupfer/desktop_parse.py b/kupfer/desktop_parse.py
index 6a48a36..bb8f7a2 100644
--- a/kupfer/desktop_parse.py
+++ b/kupfer/desktop_parse.py
@@ -9,6 +9,7 @@ The unescaping we are doing is only one way.. so we unescape according to the
 rules, but we accept everything, if validly quoted or not.
 """
 
+import warnings
 
 # This is the "string" type encoding escapes
 # this is unescaped before we process anything..
@@ -81,6 +82,10 @@ def quote_scanner(s, reptable):
 		_ps = "".join(part)
 		if is_quoted:
 			parts.append(two_part_unescaper(rmquotes(_ps), reptable))
+		elif '\\' in _ps:
+			warnings.warn(RuntimeWarning("Broken unquoted Exec= %s" % repr(s)))
+			parts.extend([two_part_unescaper(_ps_part, reptable) for _ps_part
+			              in _ps.split()])
 		else:
 			parts.extend(_ps.split())