Email utilities
Project description
What is iw.email ?
Provide a clean way to generate emails.
How to use iw.email ?
There is multiple way to use iw.email. See doctests.
MultipartMail
The base class of the package is the MultipartMail. You can use it to easily generate email both in html or text format with a correct encoding.
We need some html for email body:
>>> umail = unicode('''<html><body>
... corps du maiil avec caractère unicode:
... utf-8: é à î ö
... cp552: \xe2\x80\x93 \xe2\x80\x99
... </body></html>''', 'utf-8')
And a smtp server:
>>> from smtplib import SMTP
>>> server = SMTP('localhost')
Now we can use the MultipartMail class to generate an email:
>>> from iw.email import MultipartMail
>>> mail = MultipartMail(html=umail,
... mfrom='sender@ingeniweb.com',
... mto='recipient@ingeniweb.com',
... subject=unicode('sujèéèt','utf-8'))
And send it:
>>> server.sendmail('sender@ingeniweb.com','recipient@ingeniweb.com', mail)
Content-Type: multipart/related; charset="iso-8859-1";
boundary="...
MIME-Version: 1.0
To: recipient@ingeniweb.com
From: sender@ingeniweb.com
Subject: =?iso-8859-1?q?suj=E8=E9=E8t?=
Date: ...
X-Mailer: iw.email
<BLANKLINE>
--===============...
Content-Type: multipart/alternative; charset="iso-8859-1";
boundary="...
MIME-Version: 1.0
<BLANKLINE>
--===============...
Content-Type: text/html; charset="iso-8859-1"
MIME-Version: 1.0
Content-Transfer-Encoding: quoted-printable
<BLANKLINE>
<html><body>
corps du maiil avec caract=E8re unicode:
utf-8: =E9 =E0 =EE =F6 =
<BLANKLINE>
cp552: - '
</body></html>
--===============...
--===============...
Ok, that’s cool but sometimes we want to add images. So, just do it:
>>> image = open(os.path.join(testdir, 'bullet.gif')) >>> image.read() 'GIF89a\x05\x00\r\x00\x80\x00\x00c\x8c\x9c\xff\xff\xff!\xf9\x04\x01\x00\x00\x01\x00,\x00\x00\x00\x00\x05\x00\r\x00\x00\x02\t\x8c\x8f\xa9\xbb\xe0\x0f\xa3\x84\xa9\x00;' >>> image.seek(0) >>> mail.addImage(image, filename='bullet.gif') >>> mail.images [<email.MIMEImage.MIMEImage instance at ...>] >>> print mail.images[0].as_string() Content-Type: image/gif; name="bullet.gif" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-ID: <bullet.gif> <BLANKLINE> R0lGODlhBQANAIAAAGOMnP///yH5BAEAAAEALAAAAAAFAA0AAAIJjI+pu+APo4SpADs=
CheetahMail
We can also use Cheetah template to generate an email:
>>> from iw.email import CheetahMail
Path is the path to the cheetah template:
>>> path = os.path.join(testdir, 'mail.tmpl') >>> print open(path).read() ========== $title ========== <BLANKLINE> $paragraph <BLANKLINE>
We need a few arguments:
>>> umail = unicode('''
... corps du maiil avec caractère unicode:
... utf-8: é à î ö
... cp552: \xe2\x80\x93 \xe2\x80\x99
... ''', 'utf-8')
Then we can use the CheetahMail to generate an email from the template:
>>> mail = CheetahMail(path=path,
... title='nice title',
... paragraph=umail,
... mfrom='sender@ingeniweb.com',
... mto='recipient@ingeniweb.com',
... subject=unicode('sujèéèt','utf-8'))
>>> server.sendmail('sender@ingeniweb.com','recipient@ingeniweb.com', mail)
Content-Type: multipart/related; charset="iso-8859-1";
...
To: recipient@ingeniweb.com
From: sender@ingeniweb.com
...
<body>
<div class=3D"document" id=3D"nice-title">
<h1 class=3D"title">nice title</h1>
<p>corps du maiil avec caract=E8re unicode:
iso-8859-1: =E9 =E0 =EE =F6
cp552: - '</p>
</div>
</body>
</html>
<BLANKLINE>
...
Testing framework
iw.email provide a testing framework.
You just need to use iw.email.testing.smtpSetUp() and iw.email.testing.smtpTearDown() in your test case.
This will patch smtplib to allow you to test email sending in your doctests like you can see in this document.
You can also set some environment variable to also send the generated email. Here is the allowed variable:
TEST_MAIL: the recipient TEST_MAILFROM: mail from address (default to test@ingeniweb.com) TEST_MAILHOST: hostname of an smtp server (default to localhost) TEST_MAILPORT: smtp port (default to 25)
If the TEST_MAIL is set, the testing framework will try to send emails to it. So you just need this command if you have a local smtp server:
$ TEST_MAIL=gael@ingeniweb.com python setup.py test
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