support debugging

.env.example

@@ -6,3 +6,4 @@ SMTP_PASSWORD=smtp_password
 # Only one should be True
 SMTP_USE_TLS=False
 SMTP_USE_SSL=True
+SMTP_DEBUG=False

CHANGELOG.md

@@ -3,6 +3,10 @@
 For a complete view of all the releases, visit the releases page on GitHub:
 [https://github.com/dareenzo/send_mail/releases](https://github.com/dareenzo/send_mail/releases)
 
+## v0.3.0 - 2017-01-13
+
+- Allow debugging
+
 ## v0.2.0 - 2017-01-13
 
 - Allow connecting to server with SSL

send_mail.py

@@ -188,6 +188,7 @@ def send_mail(to, subject, message, is_html=False, cc=None, bcc=None,
     password = kwargs.get('password', None) or os.getenv('SMTP_PASSWORD')
     use_tls = kwargs.get('use_tls', False) or os.getenv('SMTP_USE_TLS', False)
     use_ssl = kwargs.get('use_ssl', False) or os.getenv('SMTP_USE_SSL', False)
+    debug = kwargs.get('debug', False) or os.getenv('SMTP_DEBUG', False)
 
     if six.PY2:
         password = six.binary_type(password)
@@ -198,12 +199,21 @@ def send_mail(to, subject, message, is_html=False, cc=None, bcc=None,
     if use_ssl in ("False", "false"):
         use_ssl = False
 
+    if debug in ("False", "false"):
+        debug = False
+
     try:
         # this doesn't support `with` statement so we do `close` the old way.
         mail_server = smtplib.SMTP_SSL(host, port) if use_ssl else smtplib.SMTP(host, port)
+
+        if debug:
+            mail_server.set_debuglevel(1)
+
         mail_server.ehlo()
+
         if use_tls:
             mail_server.starttls()
+
         mail_server.ehlo()
         mail_server.login(username, password)
         mail_server.sendmail(subject, list(map(lambda x: x[1], all_destinations)), mail.as_string())

setup.py

@@ -7,8 +7,7 @@
 import os
 import sys
 import codecs
-from email.utils import parseaddr
-from setuptools import setup, find_packages
+from setuptools import setup
 
 if sys.argv[-1] == 'publish':
     os.system('python setup.py register')
@@ -27,7 +26,7 @@ def file_get_contents(filename):
 
 setup(
     name='send_mail',
-    version='0.2.0',
+    version='0.3.0',
     description='Simple email sending module for use in ETL/reporting script.',
     long_description=LONG_DESCRIPTION,
     url='https://github.com/dareenzo/send_mail',