twisted / twisted/twisted

imap4: Ask line count from message

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enhancement mail new priority-normal
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Description

biny's avatar biny reported
Trac ID trac#3946
Type enhancement
Created 2009-08-01 10:00:48Z

The imap4.getLineCount method used by imap4.getBodyStructure calculates the line count always from the body. This causes a need to fetch the body in a proxy or gateway while the line count can be available without the body.

For example NNTP protocol can give the line count without needing to retrieve the body.

Searchable metadata
trac-id__3946 3946
type__enhancement enhancement
reporter__biny biny
priority__normal normal
milestone__ 
branch__ 
branch_author__ 
status__new new
resolution__None None
component__mail mail
keywords__ 
time__1249120848000000 1249120848000000
changetime__1249302041000000 1249302041000000
version__None None
owner__ 
cc__exarkun

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by tracing imap4.getLineCount and imap4.getBodyStructure to understand how the current count is obtained. Review the message and protocol interfaces involved, including how metadata can be requested without fetching the body. Done means getBodyStructure can use an available line count without retrieving the message body.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
networking
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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