Public bug reported:
When running /usr/lib/update-notifier/apt-check --package-names the
following error is returned:
$ /usr/lib/update-notifier/apt-check --package-names
E: Unknown Error: '<class 'TypeError'>' (map() must have at least two
arguments.)
What I expected was a list of packages which can be upgraded.
>From what I understand, the map function requires 2 arguments, but the
list comprehension used is only creating a single argument, which is the
package name.
I found if I changed the function
def write_package_names(outstream, cache, depcache):
" write out package names that change to outstream "
pkgs = [pkg for pkg in cache.packages if depcache.marked_install(pkg) or
depcache.marked_upgrade(pkg)]
outstream.write("\n".join(map([p.name for p in pkgs])))
def write_package_names(outstream, cache, depcache):
" write out package names that change to outstream "
pkgs = [pkg for pkg in cache.packages if depcache.marked_install(pkg) or
depcache.marked_upgrade(pkg)]
outstream.write("\n".join([p.name for p in pkgs])) #Removed the
map() function
Additional info:
$ lsb_release -rd
Description: Ubuntu 15.10
Release: 15.10
$ apt-cache policy update-notifier-common
update-notifier-common:
Installed: 3.163
Candidate: 3.163
Version table:
*** 3.163 0
500 http://gb.archive.ubuntu.com/ubuntu/ wily/main amd64 Packages
100 /var/lib/dpkg/status
Thanks
Dave
** Affects: update-notifier (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1512326
Title:
Running apt-check --package-names returns an unknown error
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