(This is still work in progress)

As part of my Google Summer of code project I'm going to rewrite python-launchpad-bugs. This wiki-page will give a view of my ideas and a starting point for further discussions. Some of the following items are already implemented in my developing branch http://bazaar.launchpad.net/~thekorn/python-launchpad-bugs/api.changes.gsoc

TODO

• Renaming (See also PEP 8)

  • launchpadBugs -> launchpadbugs

  • Bug.py -> html_bug.py, a XMLRPC imlementation would be in xmlrpc_bug.py

  • Buglist.py -> html_buglist.py, a XMLRPC imlementation would be in xmrpc_buglist.py

  • Renaming some classes
  • ...

• decide how to work with a Connector-class

  • create BugBase properties

  • implement most urgent properties in Bug.py
• add documentation to code
• add unittest

  • create testing dir

  • move api_test* to that dir

  • add more unittests
• create examples

Splitting HTMLOperations.py

I would like to split the existing HTMLOperations module into a Buglist and a Bug module.

• all connection related functions like safe_urlopen() will be moved to utils

• setting the cookie_handler should be a global option

Buglist

This module will basically consist of the old BugList and BugPage classes.

BugList

• Filtering should be a global option

• the only required parameter in the constructor is url

• BugList.bugs will be a SET

I almost finished the Buglist module, I wrote a small script api_test_Buglist.py to give an overview over the new API. I also created a BugHelper/Dev/python-launchpad-bugs/API_changes/BugListExample to show the usage of BugList in small examples.

Bug

api_test_Bug.py shows the state of the developing progress.

• objectify the current Bug -class:

  • Comments, Attachments and InfoTable are new container classes

  • Comment, Attachment and Info - objects are elements of this containers

• changeable elements have their own edit,add or remove method: e.g.

  • Comments will have a add method

  • Attachments will have add and remove

  • Info will have an edit method

  • Comment and InfoTable are read-only

• 'edit local and apply at once' - approach The following lines of code should explain that approach:

bug = Bug(1)
bug.attachments.add('fix.patch', comment='first attempt to fix that issue')
bug.status = 'Needs Info'
bug.tags.append('bitesize')
bug.apply()

• There should not be an extra module for exceptions
• There is only one argument required in the Bug- constructor:

  • a BugInfo instance or

  • an integer type bugnumber or

  • an url to the bugreport

• ATTACHMENT_PATH, CONTENT_TYPES and ATTACHMENT_REGEX are global options

Use a LaunchpadConnector class

We could use a LaunchpadConnector class and have several backends implementing it. That way we can have an easy transition to XMLRPC once we get it from Launchpad.

current implementation

With revision 73 I added a Connector module to api.changes.gsoc. In revision 77 I changed LaunchpadConnector into a class, this changed the syntax.

Example usage:

loading the default Bug-class:

import launchpadbugs.connector as Connector

Bug = Connector.ConnectBug()
Bug.authentication="cookie.txt"

b = Bug(4534)

loading the Bug-class from xxx:

import launchpadbugs.connector as Connector

Bug = Connector.ConnectBug("xxx")

b = Bug(4534)

Discussion

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