crash during natty->natty

[Michael Vogt]

Binary package hint: python-central

A bugreport on behalf of Rodrigo, the critical bit is this:
"""
    self.default_runtime.byte_compile(self.private_files, bc_option,
AttributeError: 'NoneType' object has no attribute 'byte_compile'
"""

The full output:
$ sudo dpkg --configure -a
dpkg: dependency problems prevent configuration of python-aptdaemon:
 python-aptdaemon depends on python-apt (>= 0.7.96.1ubuntu9); however:
  Version of python-apt on system is 0.7.95ubuntu2.
 python-aptdaemon depends on python-defer; however:
  Package python-defer is not installed.
dpkg: error processing python-aptdaemon (--configure):
 dependency problems - leaving unconfigured
Setting up man-db (2.5.7-4) ...
Updating database of manual pages ...
dpkg: dependency problems prevent configuration of python-kde4:
 python-kde4 depends on kdepim-runtime; however:
  Package kdepim-runtime is not installed.
 python-kde4 depends on libakonadi-kde4 (>= 4:4.5.90); however:
  Package libakonadi-kde4 is not installed.
 python-kde4 depends on libakonadi-kmime4 (>= 4:4.5.85a); however:
  Package libakonadi-kmime4 is not installed.
 python-kde4 depends on libkcmutils4 (>= 4:4.5.80); however:
  Package libkcmutils4 is not installed.
 python-kde4 depends on libkdecore5 (>= 4:4.5.90); however:
  Version of libkdecore5 on system is 4:4.4.3a-2ubuntu2.
 python-kde4 depends on libkdeui5 (>= 4:4.5.90); however:
  Version of libkdeui5 on system is 4:4.4.3a-2ubuntu2.
 python-kde4 depends on libkdnssd4 (>= 4:4.5.2-0ubuntu1); however:
  Version of libkdnssd4 on system is 4:4.4.3a-2ubuntu2.
 python-kde4 depends on libkemoticons4 (>= 4:4.5.2-0ubuntu1); however:
  Package libkemoticons4 is not installed.
 python-kde4 depends on libkfile4 (>= 4:4.5.80); however:
  Version of libkfile4 on system is 4:4.4.3a-2ubuntu2.
 python-kde4 depends on libkhtml5 (>= 4:4.5.85); however:
  Version of libkhtml5 on system is 4:4.4.3a-2ubuntu2.
 python-kde4 depends on libkidletime4 (>= 4:4.5.2-0ubuntu1); however:
  Package libkidletime4 is not installed.
 python-kde4 depends on libkio5 (>= 4:4.5.90); however:
  Version of libkio5 on system is 4:4.4.3a-2ubuntu2.
 python-kde4 depends on libknewstuff2-4 (>= 4:4.5.2-0ubuntu1); however:
  Version of libknewstuff2-4 on system is 4:4.4.3a-2ubuntu2.
 python-kde4 depends on libknewstuff3-4 (>= 4:4.5.80); however:
  Version of libknewstuff3-4 on system is 4:4.4.3a-2ubuntu2.
 python-kde4 depends on libkparts4 (>= 4:4.5.80); however:
  Version of libkparts4 on system is 4:4.4.3a-2ubuntu2.
 python-kde4 depends on libkprintutils4 (>= 4:4.5.2-0ubuntu1); however:
  Package libkprintutils4 is not installed.
 python-kde4 depends on libkpty4 (>= 4:4.5.2-0ubuntu1); however:
  Version of libkpty4 on system is 4:4.4.3a-2ubuntu2.
 python-kde4 depends on libktexteditor4 (>= 4:4.5.2-0ubuntu1); however:
  Version of libktexteditor4 on system is 4:4.4.3a-2ubuntu2.
 python-kde4 depends on libnepomuk4 (>= 4:4.5.80); however:
  Version of libnepomuk4 on system is 4:4.4.3a-2ubuntu2.
 python-kde4 depends on libnepomukquery4a (>= 4:4.5.80); however:
  Package libnepomukquery4a is not installed.
 python-kde4 depends on libplasma3 (>= 4:4.5.90); however:
  Version of libplasma3 on system is 4:4.4.3a-2ubuntu2.
 python-kde4 depends on libsolid4 (>= 4:4.5.80); however:
  Version of libsolid4 on system is 4:4.4.3a-2ubuntu2.
dpkg: error processing python-kde4 (--configure):
 dependency problems - leaving unconfigured
Setting up python2.7-minimal (2.7.1-3) ...
Linking and byte-compiling packages for runtime python2.7...
Traceback (most recent call last):
  File "/usr/bin/pycentral", line 2304, in <module>
    main()
  File "/usr/bin/pycentral", line 2298, in main
    rv = action.run(global_options)
  File "/usr/bin/pycentral", line 1764, in run
    ignore_errors = self.options.ignore != None)
  File "/usr/bin/pycentral", line 1095, in install
    self.default_runtime.byte_compile(self.private_files, bc_option,
AttributeError: 'NoneType' object has no attribute 'byte_compile'
dpkg: error processing python2.7-minimal (--configure):
 subprocess installed post-installation script returned error exit status 1
dpkg: dependency problems prevent configuration of python-aptdaemon-gtk:
 python-aptdaemon-gtk depends on python-aptdaemon (= 0.40+bzr529-0ubuntu3); however:
  Package python-aptdaemon is not configured yet.
dpkg: error processing python-aptdaemon-gtk (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of python-minimal:
 python-minimal depends on python2.7-minimal (>= 2.7.1-1~); however:
  Package python2.7-minimal is not configured yet.
dpkg: error processing python-minimal (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of python:
 python depends on python-minimal (= 2.7.1-0ubuntu4); however:
  Package python-minimal is not configured yet.
dpkg: error processing python (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of python-apport:
 python-apport depends on python (<< 2.8); however:
  Package python is not configured yet.
 python-apport depends on python (>= 2.6); however:
  Package python is not configured yet.
dpkg: error processing python-apport (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of python-support:
 python-support depends on python (>= 2.5); however:
  Package python is not configured yet.
dpkg: error processing python-support (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of python2.7:
 python2.7 depends on python2.7-minimal (= 2.7.1-3); however:
  Package python2.7-minimal is not configured yet.
dpkg: error processing python2.7 (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of python-fuse:
 python-fuse depends on python (<< 2.8); however:
  Package python is not configured yet.
 python-fuse depends on python (>= 2.6); however:
  Package python is not configured yet.
dpkg: error processing python-fuse (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of python-scour:
 python-scour depends on python (>= 2.7.1-0ubuntu2); however:
  Package python is not configured yet.
 python-scour depends on python (<< 2.8); however:
  Package python is not configured yet.
dpkg: error processing python-scour (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of python2.7-dbg:
 python2.7-dbg depends on python2.7 (>= 2.7.1-3); however:
  Package python2.7 is not configured yet.
dpkg: error processing python2.7-dbg (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of python-problem-report:
 python-problem-report depends on python (<< 2.8); however:
  Package python is not configured yet.
 python-problem-report depends on python (>= 2.6); however:
  Package python is not configured yet.
dpkg: error processing python-problem-report (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of python2.7-dev:
 python2.7-dev depends on python2.7 (= 2.7.1-3); however:
  Package python2.7 is not configured yet.
dpkg: error processing python2.7-dev (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of python-libxml2:
 python-libxml2 depends on python (<< 2.8); however:
  Package python is not configured yet.
 python-libxml2 depends on python (>= 2.6); however:
  Package python is not configured yet.
 python-libxml2 depends on python-support (>= 0.90.0); however:
  Package python-support is not configured yet.
dpkg: error processing python-libxml2 (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of python-ubuntuone-client:
 python-ubuntuone-client depends on python (>= 2.5); however:
  Package python is not configured yet.
 python-ubuntuone-client depends on python-support (>= 0.90.0); however:
  Package python-support is not configured yet.
dpkg: error processing python-ubuntuone-client (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of libpython2.7:
 libpython2.7 depends on python2.7 (= 2.7.1-3); however:
  Package python2.7 is not configured yet.
dpkg: error processing libpython2.7 (--configure):
 dependency problems - leaving unconfigured
Errors were encountered while processing:
 python-aptdaemon
 python-kde4
 python2.7-minimal
 python-aptdaemon-gtk
 python-minimal
 python
 python-apport
 python-support
 python2.7
 python-fuse
 python-scour
 python2.7-dbg
 python-problem-report
 python2.7-dev
 python-libxml2
 python-ubuntuone-client
 libpython2.7

[Michael Vogt (mvo)]

Rodrigo worked around it by adding
self.default_runtime = get_default_runime()
before line 1095

[dino99 (9d9)]

dh_python2 is now used to replace that deprecated package