Use external python-emails library.

copanier/emails.py

@@ -1,10 +1,4 @@
-import smtplib
-from email.message import EmailMessage
-from email.mime.multipart import MIMEMultipart
-from email.mime.text import MIMEText
-from email.mime.base import MIMEBase
-from email.mime.base import MIMEBase
-from email import encoders
+from emails import Message
 
 from . import config
 
@@ -13,37 +7,31 @@ def send(to, subject, body, html=None, copy=None, attachments=None):
     if not attachments:
         attachments = []
 
-    msg = MIMEMultipart("alternative")
-    msg["Subject"] = subject
-    msg["From"] = config.FROM_EMAIL
-    msg["To"] = to
-    msg["Bcc"] = copy if copy else config.FROM_EMAIL
-
-    for file_name, attachment in attachments:
-        part = MIMEBase(
-            "application",
-            "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet; charset=utf-8",
+    message = Message(
+        text=body, html=html, subject=subject, mail_from=config.FROM_EMAIL
     )
-        part.set_payload(attachment)
-        part.add_header("Content-Disposition", "attachment", filename=file_name)
-        encoders.encode_base64(part)
-        msg.attach(part)
 
-    msg.attach(MIMEText(body, "plain"))
-    if html:
-        msg.attach(MIMEText(html, "html"))
+    for filename, attachment in attachments:
+        message.attach(
+            filename=filename,
+            data=attachment,
+            mime="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet; charset=utf-8",
+        )
 
     if not config.SEND_EMAILS:
         body = body.replace("https", "http")
         return print("Sending email", str(body))
-    try:
-        server = smtplib.SMTP_SSL(config.SMTP_HOST)
-        server.login(config.SMTP_LOGIN, config.SMTP_PASSWORD)
-        server.send_message(msg)
-    except smtplib.SMTPException:
-        raise RuntimeError
-    finally:
-        server.quit()
+
+    message.send(
+        to=to,
+        smtp={
+            "host": config.SMTP_HOST,
+            "user": config.SMTP_LOGIN,
+            "password": config.SMTP_PASSWORD,
+            "port": "465",
+            "ssl": True,
+        },
+    )
 
 
 def send_from_template(env, template, to, subject, **params):

requirements-dev.txt

@@ -4,3 +4,4 @@ pytest-asyncio
 usine
 pyquery
 pytest-watch
+python-emails

setup.cfg

@@ -15,6 +15,7 @@ install_requires =
     minicli==0.4.4
     python-slugify==3.0.2
     debts==0.4
+    emails==0.5
 
 [options.extras_require]
 dev =