From 72d7fdd05fa555fff3221c31485fc478064aa964 Mon Sep 17 00:00:00 2001
From: Helmut Merz <helmutm@cy55.de>
Date: Tue, 31 Dec 2024 15:07:08 +0100
Subject: [PATCH] add zope.sendmail patch (bug fix)

---
 loops/organize/browser/party.py |  2 --
 loops/patch.py                  | 19 ++++++++++++++++++-
 2 files changed, 18 insertions(+), 3 deletions(-)

diff --git a/loops/organize/browser/party.py b/loops/organize/browser/party.py
index acd052f..096c01b 100644
--- a/loops/organize/browser/party.py
+++ b/loops/organize/browser/party.py
@@ -195,9 +195,7 @@ class SendEmail(FormController):
         # TODO: remove duplicates
         person = getPersonForUser(self.context, self.request)
         sender = person and adapted(person).email or 'loops@unknown.com'
-        #msg = MIMEText(message.encode('utf-8'), 'plain', 'utf-8')
         msg = MIMEText(message, 'plain', 'utf-8')
-        #msg['Subject'] = subject.encode('utf-8')
         msg['Subject'] = subject
         msg['From'] = sender
         recipients = [r.strip() for r in recipients if r.strip()]
diff --git a/loops/patch.py b/loops/patch.py
index d50e7d5..03fd809 100644
--- a/loops/patch.py
+++ b/loops/patch.py
@@ -5,7 +5,6 @@
 
 import zope.index.text.widcode
 from zope.index.text.widcode import _prog, _decode, _decoding
-
 def patched_decode(code):
     """_prog pattern is now a string, but after updating from Python2
        code is still a bytes array."""
@@ -17,3 +16,21 @@ def patched_decode(code):
 
 zope.index.text.widcode.decode = patched_decode
 print("loops.patch: monkey patch for 'zope.index.text.widcode.decode()' installed.")
+
+from zope.sendmail.interfaces import IMailer
+from zope.sendmail.mailer import SMTPMailer
+def patched_smtpMailer(_context, name, hostname="localhost", port="25",
+               username=None, password=None, implicit_tls=False):
+    _context.action(
+        discriminator=('utility', IMailer, name),
+        callable=handler,
+        args=('registerUtility',
+              # fix error: set 'implicit_tls' as a keyword parameter
+              SMTPMailer(hostname, port, username, password, 
+                         implicit_tls=implicit_tls),
+              IMailer, name)
+    )
+import zope.sendmail.zcml
+zope.sendmail.zcml.smtpMailer = patched_smtpMailer
+print("loops patch: monkey patch  for 'zope.sendmail.zcml.smtpMailer()' installed")
+