Re: Receiving emails via app
James Bennett wrote: > On Sat, Oct 25, 2008 at 2:09 PM, Jeff Anderson <[EMAIL PROTECTED]> wrote: > >> We have an alias set up in postfix that sends the e-mail to our script >> via a pipe. >> >> The python script imports our Django models, and parses the e-mail >> message with the email module, and does what it needs to. >> > > You can also use Python's built-in SMTP server module to set up a > lightweight server process, and have your regular MTA forward messages > to it. This lets the entire mail-processing routine happen in Python, > which is often a bit easier to set up. > > See Doug Hellmann's recent PyMOTW article on this for some basic > details: http://blog.doughellmann.com/2008/10/pymotw-smtpd.html > This sounds like the best of both worlds option. One python process for all e-mails without the overhead of having to check the e-mail passively. A second server still needs to be run, but if you aren't already running a mail server that "disadvantage" goes away. I may consider switching to this. Jeff Anderson signature.asc Description: OpenPGP digital signature
Re: Receiving emails via app
felix wrote: > In general I agree with Jeff's suggestion. > > but OTOH you might be able to get pop to work > and using the pop interface maybe you can get the headers in a clean > pythonic fashion. > > it sounds like you will also have to deal with attachments, so maybe > the pop library can handle that nicely. > Nope. poplib is simply for accessing the message from the POP server. Jeff's suggestion would not, as you correctly identified, give access to the headers. But processing MIME-structured messages requires the email module no matter what method of delivery you choose. regards Steve --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
Re: Receiving emails via app
On Sat, Oct 25, 2008 at 2:09 PM, Jeff Anderson <[EMAIL PROTECTED]> wrote: > We have an alias set up in postfix that sends the e-mail to our script > via a pipe. > > The python script imports our Django models, and parses the e-mail > message with the email module, and does what it needs to. You can also use Python's built-in SMTP server module to set up a lightweight server process, and have your regular MTA forward messages to it. This lets the entire mail-processing routine happen in Python, which is often a bit easier to set up. See Doug Hellmann's recent PyMOTW article on this for some basic details: http://blog.doughellmann.com/2008/10/pymotw-smtpd.html -- "Bureaucrat Conrad, you are technically correct -- the best kind of correct." --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
Re: Receiving emails via app
AndyB wrote: > This sounds like exactly what I need to do. However my Unix-fu isn't > up to coping with the sentence 'We have an alias set up in postfix > that sends the e-mail to our script via a pipe.'... :( > > My naive assumption is that one could use something like poplib in the > standard library to connect to a POP3 server and process incoming > emails that way. Does that sound a sensible route to take? > It does sound sensible, but a heck of a lot more complicated than setting up an alias. If you use postfix, all you need to do is add one line to your /etc/aliases file and run newaliases. Here are the few lines in our postfix aliases file: tick: "|/git/tick/tickets/email_process.py /git comment" closed-ticket: "|/git/tick/tickets/email_process.py /git closed" open-ticket:"|/git/tick/tickets/email_process.py /git open" Ours is a ticket system called tick. we have an 'email_process.py' that takes two arguments- /git is a directory to prepend to the PYTHONPATH.the last argument is the type of e-mail message we are processing. We also have a ticket open handler, and a ticket close handler, but we don't use them. It seems like running a Python process constantly to check pop3 is more overhead, and an additional service to run. If you are already running postfix, an alias is a really simple and efficient way to get e-mail messages processed on the fly as they are received. The disadvantage is that each time a message is received, a python interpretor is loaded into memory. If you will be handling more than 1 or two messages a minute, I'd definitely go for the pop3 route, and have the python process stay loaded in memory. It'd put a decent amount of load on the mailserver to constantly check and download hundreds of messages all the time, but my guess is that it might be less load than loading several hundred instances of a python interpretor. It'd be interesting to test. Jeff Anderson signature.asc Description: OpenPGP digital signature
Re: Receiving emails via app
poplib is pretty easy to work with: def check_pop3(server,user,password): import email,poplib,string messages=[] s=poplib.POP3(server) s.user(user) s.pass_(password) resp, items, octets = s.list() todelete=[] for item in items: id,size=item.split() resp,text,octets = s.retr(id) text = string.join(text, "\n") message=email.message_from_string(text) messages.append(message) todelete.append(id) # flag for deletion for id in todelete: pass #s.dele(id) s.quit() return messages --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
Re: Receiving emails via app
In general I agree with Jeff's suggestion. but OTOH you might be able to get pop to work and using the pop interface maybe you can get the headers in a clean pythonic fashion. it sounds like you will also have to deal with attachments, so maybe the pop library can handle that nicely. the script way is this: In a hosted environment you often have the possibility to set up (using the host company's control panel) a recipe or similar that sends an email to a python shell script. the script then receives the whole raw email on STDIN standard in. If you control the server yourself, then you should be able to use postfix or whatever your email MTA is and again send the email to a shell script. so the recipe or command to execute is something like: /Library/Frameworks/Python.framework/Versions/Current/bin/python /full/path/to/yourhandler.py yourhandler.py can then get the entire body of the email (with all headers) via STDIN standard in. lines = sys.stdin.readlines() it then can use pattern matching to find the from address in the headers etc. there's probably some nice libraries that do this parsing already. alternatively you might be able to just dump the email to a file in a directory and later process the mails. or access the Maildir/new for that account directly. and then have a regular process that checks for new mails in the directory and processes them. either write a command that can be executed from manage.py (so you'll have the whole django stack and all of your apps avail to you) or import the settings and the most minimal amount of django that you'll need. or if you are really lazy, just write a view that processes the mails and set a cron to fetch the page every once in a while ( just wget or curl it ) -felix On Sun, Oct 26, 2008 at 8:13 PM, AndyB <[EMAIL PROTECTED]> wrote: > > This sounds like exactly what I need to do. However my Unix-fu isn't > up to coping with the sentence 'We have an alias set up in postfix > that sends the e-mail to our script via a pipe.'... :( > > My naive assumption is that one could use something like poplib in the > standard library to connect to a POP3 server and process incoming > emails that way. Does that sound a sensible route to take? > > Andy Baker > > On Oct 25, 7:09 pm, Jeff Anderson <[EMAIL PROTECTED]> wrote: > > umit wrote: > > > Hi, i am trying to build a quick blog system. But i want users can > > > send emails to submit messages with pictures. > > > How can i receive emails and process them? What should i use? > > > > We use Python's email module. > > > > We have an alias set up in postfix that sends the e-mail to our script > > via a pipe. > > > > The python script imports our Django models, and parses the e-mail > > message with the email module, and does what it needs to. > > > > This should give you a decent starting point. > > > > Cheers! > > > > Jeff Anderson > > > > signature.asc > > < 1KViewDownload > > > --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
Re: Receiving emails via app
This sounds like exactly what I need to do. However my Unix-fu isn't up to coping with the sentence 'We have an alias set up in postfix that sends the e-mail to our script via a pipe.'... :( My naive assumption is that one could use something like poplib in the standard library to connect to a POP3 server and process incoming emails that way. Does that sound a sensible route to take? Andy Baker On Oct 25, 7:09 pm, Jeff Anderson <[EMAIL PROTECTED]> wrote: > umit wrote: > > Hi, i am trying to build a quick blog system. But i want users can > > send emails to submit messages with pictures. > > How can i receive emails and process them? What should i use? > > We use Python's email module. > > We have an alias set up in postfix that sends the e-mail to our script > via a pipe. > > The python script imports our Django models, and parses the e-mail > message with the email module, and does what it needs to. > > This should give you a decent starting point. > > Cheers! > > Jeff Anderson > > signature.asc > < 1KViewDownload --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
Re: Receiving emails via app
umit wrote: > Hi, i am trying to build a quick blog system. But i want users can > send emails to submit messages with pictures. > How can i receive emails and process them? What should i use? > We use Python's email module. We have an alias set up in postfix that sends the e-mail to our script via a pipe. The python script imports our Django models, and parses the e-mail message with the email module, and does what it needs to. This should give you a decent starting point. Cheers! Jeff Anderson signature.asc Description: OpenPGP digital signature
Receiving emails via app
Hi, i am trying to build a quick blog system. But i want users can send emails to submit messages with pictures. How can i receive emails and process them? What should i use? --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
