Remove rfc2822.py

A majority of the module is not being used, and the one function that is
being used can easily be replicated in mailgw.py, meaning that
everything related to the rfc2822 module can be removed.

Author: jerrykan

roundup/mailgw.py

@@ -85,7 +85,7 @@ class node. Any parts of other types are each stored in separate files
 
 from anypy.email_ import decode_header
 
-from roundup import configuration, hyperdb, date, password, rfc2822, exceptions
+from roundup import configuration, hyperdb, date, password, exceptions
 from roundup.mailer import Mailer, MessageSendError
 from roundup.i18n import _
 from roundup.hyperdb import iter_roles
@@ -320,8 +320,9 @@ def getbody(self):
             data = self.fp.read()
 
         # Encode message to unicode
-        charset = rfc2822.unaliasCharset(self.getparam("charset"))
+        charset = self.getparam("charset")
         if charset:
+            charset = charset.lower().replace("windows-", 'cp')
             # Do conversion only if charset specified - handle
             # badly-specified charsets
             edata = unicode(data, charset, 'replace').encode('utf-8')

roundup/rfc2822.py

@@ -30,7 +30,7 @@
 from roundup import mailgw, i18n, roundupdb
 from roundup.mailgw import MailGW, Unauthorized, uidFromAddress, \
     parseContent, IgnoreLoop, IgnoreBulk, MailUsageError, MailUsageHelp
-from roundup import init, instance, password, rfc2822, __version__
+from roundup import init, instance, password, __version__
 from roundup.anypy.sets_ import set
 
 #import db_test_base
@@ -2534,13 +2534,6 @@ def testUserCreate(self):
         i = uidFromAddress(self.db, ('', '[email protected]'), 1)
         self.assertNotEqual(uidFromAddress(self.db, ('', '[email protected]'), 1), i)
 
-    def testRFC2822(self):
-        ascii_header = "[issue243] This is a \"test\" - with 'quotation' marks"
-        unicode_header = '[issue244] \xd0\xb0\xd0\xbd\xd0\xb4\xd1\x80\xd0\xb5\xd0\xb9'
-        unicode_encoded = '=?utf-8?q?[issue244]_=D0=B0=D0=BD=D0=B4=D1=80=D0=B5=D0=B9?='
-        self.assertEqual(rfc2822.encode_header(ascii_header), ascii_header)
-        self.assertEqual(rfc2822.encode_header(unicode_header), unicode_encoded)
-
     def testRegistrationConfirmation(self):
         otk = "Aj4euk4LZSAdwePohj90SME5SpopLETL"
         self.db.getOTKManager().set(otk, username='johannes')