mailing module to create and send mails via smtp

3 files changed, 134 insertions, 0 deletions

diff --git a/lib/cnucnu/mail.py b/lib/cnucnu/mail.py
new file mode 100755
index 0000000..7928973
--- /dev/null
+++ b/lib/cnucnu/mail.py
@@ -0,0 +1,82 @@
+#!/usr/bin/python
+# vim: fileencoding=utf8 foldmethod=marker
+#{{{ License header: GPLv2+
+#    This file is part of cnucnu.
+#
+#    Cnucnu is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU General Public License as published by
+#    the Free Software Foundation, either version 2 of the License, or
+#    (at your option) any later version.
+#
+#    Cnucnu is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU General Public License for more details.
+#
+#    You should have received a copy of the GNU General Public License
+#    along with cnucnu.  If not, see <http://www.gnu.org/licenses/>.
+#}}}
+
+import smtplib
+from email.mime.text import MIMEText
+from email.header import Header
+from email.utils import parseaddr, formataddr
+
+
+def encode_addr(addr):
+    real_name, email_address = parseaddr(addr)
+    try:
+        # check for non-ascii characters
+        real_name = real_name.encode("ascii")
+    except (UnicodeEncodeError, UnicodeDecodeError), e:
+        real_name = str(Header(ensure_encoding(real_name), "UTF-8"))
+    return formataddr((real_name, email_address))
+
+def ensure_encoding(text, encoding="UTF-8"):
+        try:
+            text = text.encode("UTF-8")
+        #  text not a unicode string like e.g. u"unicode string"
+        # Assume that it is encoded in UTF-8 for convenience
+        except UnicodeDecodeError, e:
+            text = text.decode("UTF-8").encode("UTF-8")
+
+        return text
+
+class Message:
+    def __init__(self, sender, receipient, subject, message):
+        self.sender = sender
+        self.receipient = receipient
+
+        msg = MIMEText(ensure_encoding(message), _charset="UTF-8")
+        msg['Subject'] = Header(ensure_encoding(subject), "UTF-8")
+        msg['From'] = encode_addr(sender)
+        msg['To'] = encode_addr(receipient)
+
+        self.msg = msg
+        self.as_string = msg.as_string
+
+
+class Mailer:
+    def __init__(self, smtp_host):
+        self.smtp_host = smtp_host
+
+    def send(self, message):
+
+        s = smtplib.SMTP(self.smtp_host)
+        s.sendmail(message.sender, [message.receipient], mesagge.as_string())
+        s.quit()
+
+message_template_outdated = """ The latest upstream release for %(name)s is %(latest_upstream)s, but Fedora Rawhide only contains %(repo_version)s.
+
+This mail is sent, because your package is listed at:
+https://fedoraproject.org/wiki/Using_FEver_to_track_upstream_changes
+
+Eventually, there will be bugs filed for outdated packages, but this is not yet implemented.
+"""
+
+
+if __name__ == "__main__":
+    import pickle
+    mailer = Mailer(smtp_host="")
+
+    data_file = open("../../data.pickle")
diff --git a/lib/cnucnu/tests/mail_test.py b/lib/cnucnu/tests/mail_test.py
new file mode 100755
index 0000000..f623bd0
--- /dev/null
+++ b/lib/cnucnu/tests/mail_test.py
@@ -0,0 +1,51 @@
+#!/usr/bin/python
+# vim: fileencoding=utf8  foldmethod=marker
+#{{{ License header: GPLv2+
+#    This file is part of cnucnu.
+#
+#    Cnucnu is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU General Public License as published by
+#    the Free Software Foundation, either version 2 of the License, or
+#    (at your option) any later version.
+#
+#    Cnucnu is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU General Public License for more details.
+#
+#    You should have received a copy of the GNU General Public License
+#    along with cnucnu.  If not, see <http://www.gnu.org/licenses/>.
+#}}}
+
+import unittest
+
+import sys
+sys.path.insert(0, '../..')
+sys.path.insert(0, '..')
+sys.path.insert(0, './lib')
+
+
+from cnucnu.mail import Message
+
+class MailTest(unittest.TestCase):
+
+    def testCreateMessage(self):
+        m = Message("me@example.com", "you@example.com", "subject", "message")
+
+    def testMessageEncoding(self):
+        sender = "Mr. Umläut <u@example.com>"
+        receipient = "ß <l@example.com>"
+        subject = "ä"
+        message = "Ö"
+        
+        m = Message(sender, receipient, subject, message)
+        self.assertEqual(m.receipient, receipient)
+        self.assertEqual(m.sender, sender)
+        message_string = 'MIME-Version: 1.0\nContent-Type: text/plain; charset="utf-8"\nContent-Transfer-Encoding: base64\nSubject: =?utf-8?b?w6Q=?=\nFrom: =?utf-8?b?TXIuIFVtbMOkdXQ=?= <u@example.com>\nTo: =?utf-8?b?w58=?= <l@example.com>\n\nw5Y=\n'
+        self.assertEqual(message_string, m.as_string())
+    
+    
+if __name__ == "__main__":
+    suite = unittest.TestLoader().loadTestsFromTestCase(MailTest)
+    unittest.TextTestRunner(verbosity=2).run(suite)
+    #unittest.main()
diff --git a/runtests.sh b/runtests.sh
index 4b350fd..41b99ed 100755
--- a/runtests.sh
+++ b/runtests.sh
@@ -18,3 +18,4 @@
 #}}}
 
 lib/cnucnu/tests/package_list_test.py
+lib/cnucnu/tests/mail_test.py