[Bug 472234] Re: update-manager-core DistUpgrade/utils.py does not honour http_proxy env variable

[Walter Garcia-Fontes]

** Package changed: update-manager-core (Ubuntu) => update-manager
(Ubuntu)

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https://bugs.launchpad.net/bugs/472234

Title:
  update-manager-core DistUpgrade/utils.py does not honour http_proxy
  env variable

Status in “update-manager” package in Ubuntu:
  Triaged

Bug description:
  Binary package hint: update-manager-core

  Distribution Version Information:
  Description:	Ubuntu 9.04
  Release:	9.04

  Package Information:
  ii  update-manager-core    1:0.111.9    manage release upgrades

  Description of Problem:
  The init_proxy method of DistUpgrade/utils.py does not honour defined http_proxy environment variables despite comments in the file saying it should.

  Steps to reproduce:
  1. Setup an ubuntu 9.04 server behind a firewall that blocks outbound connections
  2. Configure a http proxy for the server to connect to
  3. Set the ubuntu server environment variable: export http_proxy="http://proxy.server.name:port"
  4. run do-release-upgrade -s

  Expected result:
  Output related to downloading karmic.tar.gz files

  Actual result:
  Unable to find release to download

  Patch attached:
  I have written a small patch to actually check for the existence of a http_proxy env variable and use it, please find it attached. As a disclaimer I will say that I am generally not a python programmer so apologies in advance

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