Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.debian.devel > #119665

Perl AptPkg bindings: no binpkg(name, ver) -> srcpkg(name, ver) mapping?

Show all headers | View raw

[Multipart message — attachments visible in raw view] - view raw

Hello fellow developers


I'm currently using the Perl AptPkg bindings to read and handle package cache 
metadata.

I'd like to map a bin:pkg name and version to its corresponding src:pkg ame and 
version, but unless I missed something, this doesn't seem to be possible?

Mapping a bin:pkg name to a src:pkg is easy, through AptPkg::Source(->find), but 
getting the correct version seems to be impossible.

Generally, binary and source package versions may not be identical, e.g., lvm2 
-⁠> dmsetup.

While AptPkg::Source->find will return a list of source packages for a given 
binary package, if the list contains multiple entries, there's no way to tell 
which entry might be a appropriate for a given bin:pkg version, since while the 
AptPkg::Source data contains a list of bin:pkgs, these are unversioned.

Likewise, looking up an AptPkg::Cache::VerFile object via 
AptPkg::PkgRecords-⁠>lookup will return a SourcePkg hash field, but the data in 
there is also just the unversioned source package name.


Contrary to that, the apt_pkg python bindings do provide a source_ver method as 
part of its PackageRecords class, which is pretty much exactly what one would need.


Have a I missed anything and just not looked deeply enough into AptPkg, or is 
what I want to do really impossible?




Mihai

Back to linux.debian.devel | Previous | Next — Next in thread | Find similar | Unroll thread

Thread

Perl AptPkg bindings: no binpkg(name, ver) -> srcpkg(name, ver)  mapping? Mihai Moldovan <ionic@ionic.de> - 2025-11-21 17:40 +0100
  Re: Perl AptPkg bindings: no binpkg(name, ver) -> srcpkg(name, ver)  mapping? David Kalnischkies <david@kalnischkies.de> - 2025-11-21 18:30 +0100
    Re: Perl AptPkg bindings: no binpkg(name, ver) -> srcpkg(name, ver)  mapping? Mihai Moldovan <ionic@ionic.de> - 2025-11-21 18:50 +0100
      Re: Perl AptPkg bindings: no binpkg(name, ver) -> srcpkg(name, ver)  mapping? Mihai Moldovan <ionic@ionic.de> - 2025-11-21 19:20 +0100
        Re: Perl AptPkg bindings: no binpkg(name, ver) -> srcpkg(name, ver) mapping? "Brendan O'Dea" <bod@debian.org> - 2025-11-22 11:50 +0100
          Re: Perl AptPkg bindings: no binpkg(name, ver) -> srcpkg(name, ver)  mapping? Mihai Moldovan <ionic@ionic.de> - 2025-11-26 15:50 +0100

csiph-web