Parsing Email Headers
in [Python]
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From: T on 11 Mar 2010 14:29 All I'm looking to do is to download messages from a POP account and retrieve the sender and subject from their headers. Right now I'm 95% of the way there, except I can't seem to figure out how to *just* get the headers. Problem is, certain email clients also include headers in the message body (i.e. if you're replying to a message), and these are all picked up as additional senders/subjects. So, I want to avoid processing anything from the message body. Here's a sample of what I have: # For each line in message for j in M.retr(i+1)[1]: # Create email message object from returned string emailMessage = email.message_from_string(j) # Get fields fields = emailMessage.keys() # If email contains "From" field if emailMessage.has_key("From"): # Get contents of From field from_field = emailMessage.__getitem__("From") I also tried using the following, but got the same results: emailMessage = email.Parser.HeaderParser().parsestr(j, headersonly=True) Any help would be appreciated!
From: MRAB on 11 Mar 2010 15:13 T wrote: > All I'm looking to do is to download messages from a POP account and > retrieve the sender and subject from their headers. Right now I'm 95% > of the way there, except I can't seem to figure out how to *just* get > the headers. Problem is, certain email clients also include headers > in the message body (i.e. if you're replying to a message), and these > are all picked up as additional senders/subjects. So, I want to avoid > processing anything from the message body. > > Here's a sample of what I have: > > # For each line in message > for j in M.retr(i+1)[1]: > # Create email message object from returned string > emailMessage = email.message_from_string(j) > # Get fields > fields = emailMessage.keys() > # If email contains "From" field > if emailMessage.has_key("From"): > # Get contents of From field > from_field = emailMessage.__getitem__("From") > > I also tried using the following, but got the same results: > emailMessage = > email.Parser.HeaderParser().parsestr(j, headersonly=True) > > Any help would be appreciated! If you're using poplib then use ".top" instead of ".retr".
From: Grant Edwards on 11 Mar 2010 15:20 On 2010-03-11, T <misceverything(a)gmail.com> wrote: > All I'm looking to do is to download messages from a POP account and > retrieve the sender and subject from their headers. Right now I'm 95% > of the way there, except I can't seem to figure out how to *just* get > the headers. The headers are saparated from the body by a blank line. > Problem is, certain email clients also include headers in the message > body (i.e. if you're replying to a message), and these are all picked > up as additional senders/subjects. So, I want to avoid processing > anything from the message body. Then stop when you see a blank line. Or retreive just the headers. -- Grant Edwards grant.b.edwards Yow! My life is a patio at of fun! gmail.com
From: T on 11 Mar 2010 17:44 On Mar 11, 3:13 pm, MRAB <pyt...(a)mrabarnett.plus.com> wrote: > T wrote: > > All I'm looking to do is to download messages from a POP account and > > retrieve the sender and subject from their headers. Right now I'm 95% > > of the way there, except I can't seem to figure out how to *just* get > > the headers. Problem is, certain email clients also include headers > > in the message body (i.e. if you're replying to a message), and these > > are all picked up as additional senders/subjects. So, I want to avoid > > processing anything from the message body. > > > Here's a sample of what I have: > > > # For each line in message > > for j in M.retr(i+1)[1]: > > # Create email message object from returned string > > emailMessage = email.message_from_string(j) > > # Get fields > > fields = emailMessage.keys() > > # If email contains "From" field > > if emailMessage.has_key("From"): > > # Get contents of From field > > from_field = emailMessage.__getitem__("From") > > > I also tried using the following, but got the same results: > > emailMessage = > > email.Parser.HeaderParser().parsestr(j, headersonly=True) > > > Any help would be appreciated! > > If you're using poplib then use ".top" instead of ".retr". I'm still having the same issue, even with .top. Am I missing something? for j in M.top(i+1, 0)[1]: emailMessage = email.message_from_string(j) #emailMessage = email.Parser.HeaderParser().parsestr(j, headersonly=True) # Get fields fields = emailMessage.keys() # If email contains "From" field if emailMessage.has_key("From"): # Get contents of From field from_field = emailMessage.__getitem__("From") Is there another way I should be using to retrieve only the headers (not those in the body)?
From: MRAB on 11 Mar 2010 18:06
T wrote: > On Mar 11, 3:13 pm, MRAB <pyt...(a)mrabarnett.plus.com> wrote: >> T wrote: >>> All I'm looking to do is to download messages from a POP account and >>> retrieve the sender and subject from their headers. Right now I'm 95% >>> of the way there, except I can't seem to figure out how to *just* get >>> the headers. Problem is, certain email clients also include headers >>> in the message body (i.e. if you're replying to a message), and these >>> are all picked up as additional senders/subjects. So, I want to avoid >>> processing anything from the message body. >>> Here's a sample of what I have: >>> # For each line in message >>> for j in M.retr(i+1)[1]: >>> # Create email message object from returned string >>> emailMessage = email.message_from_string(j) >>> # Get fields >>> fields = emailMessage.keys() >>> # If email contains "From" field >>> if emailMessage.has_key("From"): >>> # Get contents of From field >>> from_field = emailMessage.__getitem__("From") >>> I also tried using the following, but got the same results: >>> emailMessage = >>> email.Parser.HeaderParser().parsestr(j, headersonly=True) >>> Any help would be appreciated! >> If you're using poplib then use ".top" instead of ".retr". > > I'm still having the same issue, even with .top. Am I missing > something? > > for j in M.top(i+1, 0)[1]: > emailMessage = email.message_from_string(j) > #emailMessage = > email.Parser.HeaderParser().parsestr(j, headersonly=True) > # Get fields > fields = emailMessage.keys() > # If email contains "From" field > if emailMessage.has_key("From"): > # Get contents of From field > from_field = emailMessage.__getitem__("From") > > Is there another way I should be using to retrieve only the headers > (not those in the body)? The documentation does say: """unfortunately, TOP is poorly specified in the RFCs and is frequently broken in off-brand servers.""" All I can say is that it works for me with my ISP! :-) |