Category: Python

Python

Sending Mail Via Postfix: A perfect Python Example :)

Post author By masnun
Post date January 1, 2010
8 Comments on Sending Mail Via Postfix: A perfect Python Example :)

I have been playing with Postfix for the last couple of days. I have already posted a perfect php class for sending email with attachments in a previous post. The Python example I posted earlier does the job for me but it was not perfect like the php one.

After digging a while, I found a nice way to do the same for python as well. I have just tested the codes and the result is perfectly what I desired 🙂

Here’s the code:

import smtplib
from email.MIMEMultipart import MIMEMultipart
from email.MIMEBase import MIMEBase
from email.MIMEText import MIMEText
from email.Utils import COMMASPACE, formatdate
from email import Encoders
import os

def sendMail(to, fro, subject, text, files=[],server="localhost"):
    assert type(to)==list
    assert type(files)==list


    msg = MIMEMultipart()
    msg['From'] = fro
    msg['To'] = COMMASPACE.join(to)
    msg['Date'] = formatdate(localtime=True)
    msg['Subject'] = subject

    msg.attach( MIMEText(text) )

    for file in files:
        part = MIMEBase('application', "octet-stream")
        part.set_payload( open(file,"rb").read() )
        Encoders.encode_base64(part)
        part.add_header('Content-Disposition', 'attachment; filename="%s"'
                       % os.path.basename(file))
        msg.attach(part)

    smtp = smtplib.SMTP(server)
    smtp.sendmail(fro, to, msg.as_string() )
    smtp.close()

# Example:
sendMail(['maSnun <masnun@gmail.com>'],'phpGeek <masnun@leevio.com>','Hello Python!','Heya buddy! Say hello to Python! :)',['masnun.py','masnun.php'])

import smtplib

from email.MIMEMultipart import MIMEMultipart

from email.MIMEBase import MIMEBase

from email.MIMEText import MIMEText

from email.Utils import COMMASPACE, formatdate

from email import Encoders

import os

def sendMail(to, fro, subject, text, files=[],server="localhost"):

assert type(to)==list

assert type(files)==list

msg = MIMEMultipart()

msg['From'] = fro

msg['To'] = COMMASPACE.join(to)

msg['Date'] = formatdate(localtime=True)

msg['Subject'] = subject

msg.attach( MIMEText(text) )

for file in files:

part = MIMEBase('application', "octet-stream")

part.set_payload( open(file,"rb").read() )

Encoders.encode_base64(part)

part.add_header('Content-Disposition', 'attachment; filename="%s"'

% os.path.basename(file))

msg.attach(part)

smtp = smtplib.SMTP(server)

smtp.sendmail(fro, to, msg.as_string() )

smtp.close()

# Example:

sendMail(['maSnun <masnun@gmail.com>'],'phpGeek <masnun@leevio.com>','Hello Python!','Heya buddy! Say hello to Python! :)',['masnun.py','masnun.php'])

Python

Python: Sending a bunch of images as email attachments

Post author By masnun
Post date December 29, 2009
1 Comment on Python: Sending a bunch of images as email attachments

Python is just beautiful! In my last post I mentioned how you can setup an email server. Now, here’s the code I use to send a bunch of images as attachments with my outgoing emails. This code snippet was taken from the Python manual. But unfortunately the code was not complete. So, I had to hack through it and configure it to suit my needs.

#!/usr/bin/python

import smtplib,glob,os
from email.mime.image import MIMEImage
from email.mime.multipart import MIMEMultipart

COMMASPACE = ', '


msg = MIMEMultipart()
msg['Subject'] = 'Our family reunion'
me = "masnun@leevio.com"
family = ['masnun@gmail.com','jotil21@gmail.com']
msg['From'] = me
msg['To'] = COMMASPACE.join(family)
msg.preamble = 'Our family reunion'

path = "images/"
pngfiles = glob.glob( os.path.join(path, "*.png") )
for file in pngfiles:
    # Open the files in binary mode.  Let the MIMEImage class automatically
    # guess the specific image type.
    fp = open(file, 'rb')
    img = MIMEImage(fp.read())
    fp.close()
    msg.attach(img)

# Send the email via our own SMTP server.
s = smtplib.SMTP("localhost")
s.sendmail(me, family, msg.as_string())
s.quit()

#!/usr/bin/python

import smtplib,glob,os

from email.mime.image import MIMEImage

from email.mime.multipart import MIMEMultipart

COMMASPACE = ', '

msg = MIMEMultipart()

msg['Subject'] = 'Our family reunion'

me = "masnun@leevio.com"

family = ['masnun@gmail.com','jotil21@gmail.com']

msg['From'] = me

msg['To'] = COMMASPACE.join(family)

msg.preamble = 'Our family reunion'

path = "images/"

pngfiles = glob.glob( os.path.join(path, "*.png") )

for file in pngfiles:

# Open the files in binary mode. Let the MIMEImage class automatically

# guess the specific image type.

fp = open(file, 'rb')

img = MIMEImage(fp.read())

fp.close()

msg.attach(img)

# Send the email via our own SMTP server.

s = smtplib.SMTP("localhost")

s.sendmail(me, family, msg.as_string())

s.quit()

It currently reads the “images” directory and mails out the png files. But if you look at the codes, you’ll see that the codes can be easily changed to send other files as well 🙂

I love Python!

PS: I am looking for a good way to attach files using PHP. The way I found was messy! I know the huge PHP community certainly has something better to offer. I will post it as soon as I find it 🙂

Python

Python: Printing without newline or space :)

Post author By masnun
Post date November 2, 2009
3 Comments on Python: Printing without newline or space :)

While coding in Python, I have seen that the Print statement adds a newline to it’s output which is very helpful in most cases. While I have to add a newline character manually in PHP, I have to type less in Python. I used to love this feature until I faced a situation when I have to print out data without any newline character or space. I finally found out the solution 🙂 I have to write the characters of a string manually to stdout using the “sys” module.

Have a look at the following codes:

import sys

def masnun_print(string):
	for c in str(string):
		sys.stdout.write(c)


masnun_print("Hello world!")

masnun_print("\n")

for x in range(100):
	masnun_print(x)

masnun_print("\n")

import sys

def masnun_print(string):

for c in str(string):

sys.stdout.write(c)

masnun_print("Hello world!")

masnun_print("\n")

for x in range(100):

masnun_print(x)

masnun_print("\n")

As you can see, I have defined a function masnun_print() that prints out it’s default argument without space just like the echo statement in PHP. To give a line break between the “Hello World!” and the “1 to 100 series”, we have manually printed out newline character 🙂

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