From 36b7361fe76733b3a4944ef92b49bcea4584b740 Mon Sep 17 00:00:00 2001
From: Ezio Melotti <ezio.melotti@gmail.com>
Date: Tue, 21 Feb 2012 09:22:16 +0200
Subject: [PATCH] HTMLParser is now able to handle slashes in the start tag.

---
 Lib/HTMLParser.py           | 10 +++++-----
 Lib/test/test_htmlparser.py | 21 +++++++++++++++++++++
 Misc/NEWS                   |  2 ++
 3 files changed, 28 insertions(+), 5 deletions(-)

diff --git a/Lib/HTMLParser.py b/Lib/HTMLParser.py
index 5081a62562c..d4e14d43876 100644
--- a/Lib/HTMLParser.py
+++ b/Lib/HTMLParser.py
@@ -28,19 +28,19 @@ tagfind = re.compile('[a-zA-Z][-.a-zA-Z0-9:_]*')
 tagfind_tolerant = re.compile('[a-zA-Z][^\t\n\r\f />\x00]*')
 
 attrfind = re.compile(
-    r'\s*((?<=[\'"\s])[^\s/>][^\s/=>]*)(\s*=+\s*'
-    r'(\'[^\']*\'|"[^"]*"|(?![\'"])[^>\s]*))?')
+    r'[\s/]*((?<=[\'"\s/])[^\s/>][^\s/=>]*)(\s*=+\s*'
+    r'(\'[^\']*\'|"[^"]*"|(?![\'"])[^>\s]*))?(?:\s|/(?!>))*')
 
 locatestarttagend = re.compile(r"""
   <[a-zA-Z][-.a-zA-Z0-9:_]*          # tag name
-  (?:\s+                             # whitespace before attribute name
-    (?:(?<=['"\s])[^\s/>][^\s/=>]*   # attribute name
+  (?:[\s/]*                          # optional whitespace before attribute name
+    (?:(?<=['"\s/])[^\s/>][^\s/=>]*  # attribute name
       (?:\s*=+\s*                    # value indicator
         (?:'[^']*'                   # LITA-enclosed value
           |"[^"]*"                   # LIT-enclosed value
           |(?!['"])[^>\s]*           # bare value
          )
-       )?\s*
+       )?(?:\s|/(?!>))*
      )*
    )?
   \s*                                # trailing whitespace
diff --git a/Lib/test/test_htmlparser.py b/Lib/test/test_htmlparser.py
index 8136bca3e28..41f43408d83 100644
--- a/Lib/test/test_htmlparser.py
+++ b/Lib/test/test_htmlparser.py
@@ -240,6 +240,27 @@ text
             self._run_check("<!DOCTYPE %s>" % dtd,
                             [('decl', 'DOCTYPE ' + dtd)])
 
+    def test_slashes_in_starttag(self):
+        self._run_check('<a foo="var"/>', [('startendtag', 'a', [('foo', 'var')])])
+        html = ('<img width=902 height=250px '
+                'src="/sites/default/files/images/homepage/foo.jpg" '
+                '/*what am I doing here*/ />')
+        expected = [(
+            'startendtag', 'img',
+            [('width', '902'), ('height', '250px'),
+             ('src', '/sites/default/files/images/homepage/foo.jpg'),
+             ('*what', None), ('am', None), ('i', None),
+             ('doing', None), ('here*', None)]
+        )]
+        self._run_check(html, expected)
+        html = ('<a / /foo/ / /=/ / /bar/ / />'
+                '<a / /foo/ / /=/ / /bar/ / >')
+        expected = [
+            ('startendtag', 'a', [('foo', None), ('=', None), ('bar', None)]),
+            ('starttag', 'a', [('foo', None), ('=', None), ('bar', None)])
+        ]
+        self._run_check(html, expected)
+
     def test_declaration_junk_chars(self):
         self._run_check("<!DOCTYPE foo $ >", [('decl', 'DOCTYPE foo $ ')])
 
diff --git a/Misc/NEWS b/Misc/NEWS
index 1c049876abb..45f22b1447d 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -98,6 +98,8 @@ Core and Builtins
 Library
 -------
 
+- HTMLParser is now able to handle slashes in the start tag.
+
 - Issue #14001: CVE-2012-0845: xmlrpc: Fix an endless loop in
   SimpleXMLRPCServer upon malformed POST request.