commit a8b32fd3f3c5dbfad0f816d7943a54e979203cee
Author: Wolfgang Hottgenroth <woho@hottis.de>
Date:   Wed Dec 6 23:30:40 2017 +0100

    initial

diff --git a/wichteln.py b/wichteln.py
new file mode 100644
index 0000000..5625be8
--- /dev/null
+++ b/wichteln.py
@@ -0,0 +1,128 @@
+# -*- coding: utf-8 -*-
+
+
+import random
+import smtplib
+
+DEBUG = False
+
+def sendmail(sender, receiver, msg):
+    smtp = None
+    try:
+        smtp = smtplib.SMTP("localhost")
+        smtp.sendmail("nobody@hotti.de", receiver, msg);
+    except SMTPException:
+        print("Fehler beim Senden der Mail an {0}".format(self.name))
+        raise Exception("Nochmal von vorne")
+    finally:
+        if smtp:
+            smtp.close()
+
+
+
+class Wichtelee(object):
+    def __init__(self, name, email, forbiddenNames):
+        self.name = name
+        self.email = email
+        self.forbiddenNames = forbiddenNames
+        self.receiverName = None
+        self.giverName = False
+
+    def check(self, receiverName):
+        return (receiverName != self.name) and (receiverName not in self.forbiddenNames)
+
+    def storeOther(self, receiver):
+        self.receiverName = receiver.name
+        receiver.giverName = self.name
+
+    def isReceiver(self):
+        return self.giverName
+
+    def inform(self):
+        infoLine = "{0} -> {1}".format(self.name, self.receiverName)
+        global notarMsg 
+        notarMsg = notarMsg + infoLine + "\n"
+        if DEBUG:
+            print(infoLine)
+
+        msg = """From: Der Geist der Weihnacht <nobody@hottis.de>
+To: {0} <{1}>
+Subject: Wichteln
+
+Du, {0}, darfst ein Geschenk für {2} besorgen.
+
+Der Geist der Weihnacht
+""".format(self.name, self.email, self.receiverName)
+
+        if DEBUG:
+            receiver = "woho@hottis.de"
+        else:
+            receiver = self.email
+
+        sendmail("nobody@hottis.de", receiver, msg)
+
+
+wichtelees = [
+    Wichtelee("Wolfgang", "woho@hottis.de", ("Patty", "Matthias", "Anna")),
+    Wichtelee("Patty", "patty@hottis.de", ("Wolfgang", "Matthias", "Anna")),
+    Wichtelee("Matthias", "matthias@hottis.de", ("Wolfgang", "Patty", "Anna", "Robert")),
+    Wichtelee("Anna", "anna@hottis.de", ("Wolfgang", "Patty", "Matthias", "Lucia")),
+    Wichtelee("Thomas", "thomas@nober.de", ("Sandra")),
+    Wichtelee("Sandra", "sandra.nober@web.de", ("Thomas")),
+    Wichtelee("Philipp", "philipp@nicolai.eu", ("Barbara")),
+    Wichtelee("Barbara", "barbara@nicolai.eu", ("Philipp")),
+    Wichtelee("Robert", "robert@nober.de", ("Matthias")),
+    Wichtelee("Raphael", "raphael@nober.de", ("Nina")),
+    Wichtelee("Nina", "nina.massolle@gmx.de", ("Raphael")),
+    Wichtelee("Lucia", "luci@erbeck.net", ("Viktor", "Anna")),
+    Wichtelee("Viktor", "vik@erbeck.net", ("Lucia")),
+    Wichtelee("Gregor", "gregor@nober.de", ())
+]
+
+
+for first in wichtelees:
+    checked = []
+    while True:
+        n = random.randint(0, len(wichtelees)-1)
+        second = wichtelees[n]
+        if DEBUG:
+            print("First is {0}, Second is {1}".format(first.name, second.name))
+        if second.name not in checked:
+            checked.append(second.name)
+        if len(checked) == len(wichtelees):
+            raise Exception("no complete match possible, try again")
+
+        if second.isReceiver():
+            if DEBUG:
+                print("  Second receives already from {0}".format(second.giverName))
+            continue
+
+        if first.check(second.name):
+            if DEBUG:
+                print("  Match")
+            first.storeOther(second)
+            break
+        else:
+            if DEBUG:
+                print("  Forbidden")
+
+
+
+notarMsg = """Subject: Wichtelergebnis
+To: Papa <heribert-ludger@nober.de
+From: Wolfgang <woho@hottis.de>
+
+Bitte gut aufheben und keinem zeigen!
+
+"""
+
+for first in wichtelees:
+    first.inform()
+
+
+if DEBUG:
+    notar = "woho@hottis.de"
+else:
+    notar = "heribert-ludger@nober.de"
+
+sendmail("woho@hottis.de", notar, notarMsg)