diff -r 80c7d63325f6 Lib/http/cookies.py
--- a/Lib/http/cookies.py	Wed Jun 29 13:44:05 2011 +0200
+++ b/Lib/http/cookies.py	Wed Jun 29 14:40:06 2011 +0100
@@ -552,8 +552,12 @@
 M[key] = _unquote(value)
 else:
 rval, cval = self.value_decode(value)
- self.__set(key, rval, cval)
- M = self[key]
+ try:
+ self.__set(key, rval, cval)
+ M = self[key]
+ except CookieError:
+ # Postel's law.
+ pass
 
 
 class SimpleCookie(BaseCookie):
diff -r 80c7d63325f6 Lib/test/test_http_cookies.py
--- a/Lib/test/test_http_cookies.py	Wed Jun 29 13:44:05 2011 +0200
+++ b/Lib/test/test_http_cookies.py	Wed Jun 29 14:40:06 2011 +0100
@@ -77,6 +77,19 @@
 self.assertEqual(C.output(['val']),
 'Set-Cookie: val="some\054円funky\073円stuff"')
 
+ def test_illegal_names(self):
+ # Issue 2193: various servers/browsers use/support cookies with ':' in
+ # the name (RFC2109 notwithstanding). We should deal with them
+ # gracefully. This means we silently ignore when loading, but raise
+ # exception when setting in other situations.
+
+ C = cookies.SimpleCookie()
+ self.assertRaises(cookies.CookieError,
+ C.__setitem__, 'invalid:name', 'a value')
+
+ C.load('invalid:name=value1; validname=value2')
+ self.assertEqual(repr(C), "<simplecookie: validname='value2'>")
+
 def test_special_attrs(self):
 # 'expires'
 C = cookies.SimpleCookie('Customer="WILE_E_COYOTE"')
</div><div class="naked_ctrl">
<form action="/index.cgi/contrast" method="get" name="gate">
<p><a href="http://altstyle.alfasado.net">AltStyle</a> によって変換されたページ <a href="https://bugs.python.org/file22513/issue2193_patch_trunk.diff">(-&gt;オリジナル)</a>
/ <label>アドレス: <input type="text" name="naked_post_url" value="https://bugs.python.org/file22513/issue2193_patch_trunk.diff" size="22" /></label> <label>モード: <select name="naked_post_mode">
<option value="default">デフォルト</option>
<option value="speech">音声ブラウザ</option>
<option value="ruby">ルビ付き</option>
<option value="contrast" selected="selected">配色反転</option>
<option value="larger-text">文字拡大</option>
<option value="mobile">モバイル</option>
</select>
<input type="submit" value="表示" />
</p>
</form>
</div>