Copying the email package back, despite its failings.
diff --git a/Lib/email/mime/application.py b/Lib/email/mime/application.py
new file mode 100644
index 0000000..6f8bb8a
--- /dev/null
+++ b/Lib/email/mime/application.py
@@ -0,0 +1,36 @@
+# Copyright (C) 2001-2006 Python Software Foundation
+# Author: Keith Dart
+# Contact: email-sig@python.org
+
+"""Class representing application/* type MIME documents."""
+
+__all__ = ["MIMEApplication"]
+
+from email import encoders
+from email.mime.nonmultipart import MIMENonMultipart
+
+
+class MIMEApplication(MIMENonMultipart):
+ """Class for generating application/* MIME documents."""
+
+ def __init__(self, _data, _subtype='octet-stream',
+ _encoder=encoders.encode_base64, **_params):
+ """Create an application/* type MIME document.
+
+ _data is a string containing the raw applicatoin data.
+
+ _subtype is the MIME content type subtype, defaulting to
+ 'octet-stream'.
+
+ _encoder is a function which will perform the actual encoding for
+ transport of the application data, defaulting to base64 encoding.
+
+ Any additional keyword arguments are passed to the base class
+ constructor, which turns them into parameters on the Content-Type
+ header.
+ """
+ if _subtype is None:
+ raise TypeError('Invalid application MIME subtype')
+ MIMENonMultipart.__init__(self, 'application', _subtype, **_params)
+ self.set_payload(_data)
+ _encoder(self)