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.IX Title "Lintian::Processable::Installable::Relation 3"
.TH Lintian::Processable::Installable::Relation 3 2024-02-05 "Lintian v2.117.0" "Debian Package Checker"
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.SH NAME
Lintian::Processable::Installable::Relation \- Lintian interface to binary package data collection
.SH SYNOPSIS
.IX Header "SYNOPSIS"
.Vb 2
\&    my ($name, $type, $dir) = (\*(Aqfoobar\*(Aq, \*(Aqbinary\*(Aq, \*(Aq/path/to/lab\-entry\*(Aq);
\&    my $collect = Lintian::Processable::Installable::Relation\->new($name);
.Ve
.SH DESCRIPTION
.IX Header "DESCRIPTION"
Lintian::Processable::Installable::Relation provides an interface to package data for binary
packages.  It implements data collection methods specific to binary
packages.
.PP
This module is in its infancy.  Most of Lintian still reads all data from
files in the laboratory whenever that data is needed and generates that
data via collect scripts.  The goal is to eventually access all data about
binary packages via this module so that the module can cache data where
appropriate and possibly retire collect scripts in favor of caching that
data in memory.
.PP
Native heuristics are only available in source packages.
.SH "INSTANCE METHODS"
.IX Header "INSTANCE METHODS"
.IP "relation (FIELD)" 4
.IX Item "relation (FIELD)"
Returns a Lintian::Relation object for the specified FIELD, which should
be one of the possible relationship fields of a Debian package or one of
the following special values:
.RS 4
.IP All 4
.IX Item "All"
The concatenation of Pre-Depends, Depends, Recommends, and Suggests.
.IP Strong 4
.IX Item "Strong"
The concatenation of Pre-Depends and Depends.
.IP Weak 4
.IX Item "Weak"
The concatenation of Recommends and Suggests.
.RE
.RS 4
.Sp
If FIELD isn't present in the package, the returned Lintian::Relation
object will be empty (always present and satisfies nothing).
.RE
.IP saved_relations 4
.IX Item "saved_relations"
.SH AUTHOR
.IX Header "AUTHOR"
Originally written by Frank Lichtenheld <djpig@debian.org> for Lintian.
Amended by Felix Lechner <felix.lechner@lease\-up.com> for Lintian.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\fBlintian\fR\|(1)