[Bug 1178245] Re: missed python-apt dependency

[Paul Tobias]

The package python3-apt is not getting pulled in when installing ubuntu-
release-upgrader-core:

# apt-get install ubuntu-release-upgrader-core
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following extra packages will be installed:
  python3-distupgrade python3-update-manager
The following NEW packages will be installed:
  python3-distupgrade python3-update-manager ubuntu-release-upgrader-core
0 upgraded, 3 newly installed, 0 to remove and 0 not upgraded.
Need to get 201 kB of archives.
After this operation, 1,229 kB of additional disk space will be used.
Do you want to continue [Y/n]? 
Get:1 http://nl.archive.ubuntu.com/ubuntu/ raring-updates/main python3-update-manager all 1:0.186.2 [33.9 kB]
Get:2 http://nl.archive.ubuntu.com/ubuntu/ raring-updates/main python3-distupgrade all 1:0.192.13 [143 kB]
Get:3 http://nl.archive.ubuntu.com/ubuntu/ raring-updates/main ubuntu-release-upgrader-core all 1:0.192.13 [23.9 kB]
Fetched 201 kB in 0s (742 kB/s)                    
Selecting previously unselected package python3-update-manager.
(Reading database ... 42859 files and directories currently installed.)
Unpacking python3-update-manager (from .../python3-update-manager_1%3a0.186.2_all.deb) ...
Selecting previously unselected package python3-distupgrade.
Unpacking python3-distupgrade (from .../python3-distupgrade_1%3a0.192.13_all.deb) ...
Selecting previously unselected package ubuntu-release-upgrader-core.
Unpacking ubuntu-release-upgrader-core (from .../ubuntu-release-upgrader-core_1%3a0.192.13_all.deb) ...
Processing triggers for man-db ...
Setting up python3-update-manager (1:0.186.2) ...
Setting up python3-distupgrade (1:0.192.13) ...
Setting up ubuntu-release-upgrader-core (1:0.192.13) ...

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https://bugs.launchpad.net/bugs/1178245

Title:
  missed python-apt dependency

Status in “ubuntu-release-upgrader” package in Ubuntu:
  Confirmed

Bug description:
  Package ubuntu-release-upgrader-core 1:0.190.6 missed python-apt
  dependency.

  root at router:/etc/dhcp# do-release-upgrade 
  Checking for a new Ubuntu release
  Получено:1 Upgrade tool signature [198 B]                                                                                                                                                                     
  Получено:2 Upgrade tool [1 206 kB]                                                                                                                                                                            
  Получено 1 206 kБ за 0с (0 Б/c)                                                                                                                                                                               
  authenticate 'raring.tar.gz' against 'raring.tar.gz.gpg' 
  extracting 'raring.tar.gz'
  Traceback (most recent call last):
    File "/tmp/ubuntu-release-upgrader-0znpwp/raring", line 6, in <module>
      from DistUpgrade.DistUpgradeMain import main
    File "/tmp/ubuntu-release-upgrader-0znpwp/DistUpgrade/DistUpgradeMain.py", line 27, in <module>
      import apt
  ImportError: No module named apt

  Need to install python-apt manually with aptitude to work.

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