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Use new package_list view for "dak ls" command.
[dak.git] / daklib / ls.py
1 """List packages according to various criteria
2
3 @copyright: 2014, Ansgar Burchardt <ansgar@debian.org>
4 @license: GPL-2+
5 """
6
7 # This program is free software; you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation; either version 2 of the License, or
10 # (at your option) any later version.
11 #
12 # This program is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 # GNU General Public License for more details.
16 #
17 # You should have received a copy of the GNU General Public License
18 # along with this program; if not, write to the Free Software
19 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
20
21 import sqlalchemy.sql as sql
22 import daklib.daksql as daksql
23
24 from daklib.dbconn import DBConn, session_wrapper
25
26 @session_wrapper
27 def list_packages(packages, suites=None, components=None, architectures=None, binary_types=None,
28                   source_and_binary=False, regex=False,
29                   format=None, highest=None,
30                   session=None):
31     t = DBConn().view_package_list
32
33     comparison_operator = "~" if regex else "="
34
35     where = sql.false()
36     for package in packages:
37         where = where | t.c.package.op(comparison_operator)(package)
38         if source_and_binary:
39             where = where | t.c.source.op(comparison_operator)(package)
40
41     if suites is not None:
42         where = where & t.c.suite.in_(suites)
43     if components is not None:
44         where = where & t.c.component.in_(components)
45     if architectures is not None:
46         where = where & t.c.architecture.in_(architectures)
47     if binary_types is not None:
48         where = where & t.c.type.in_(binary_types)
49
50     if format is None:
51         c_architectures = daksql.string_agg(t.c.architecture, ', ', order_by=[t.c.architecture_is_source.desc(), t.c.architecture])
52         query = sql.select([t.c.package, t.c.version, t.c.display_suite, c_architectures]) \
53                    .where(where) \
54                    .group_by(t.c.package, t.c.version, t.c.display_suite) \
55                    .order_by(t.c.package, t.c.version, t.c.display_suite)
56         result = session.execute(query).fetchall()
57
58         if len(result) == 0:
59             raise StopIteration
60
61         lengths = {
62             'package': max(10, max(len(row[t.c.package]) for row in result)),
63             'version': max(13, max(len(row[t.c.version]) for row in result)),
64             'suite':   max(10, max(len(row[t.c.display_suite]) for row in result))
65         }
66         format = "{0:{lengths[package]}} | {1:{lengths[version]}} | {2:{lengths[suite]}} | {3}"
67
68         for row in result:
69             yield format.format(row[t.c.package], row[t.c.version], row[t.c.display_suite], row[c_architectures], lengths=lengths)
70     elif format in ('control-suite', 'heidi'):
71         query = sql.select([t.c.package, t.c.version, t.c.architecture]).where(where)
72         result = session.execute(query)
73         for row in result:
74             yield "{0} {1} {2}".format(row[t.c.package], row[t.c.version], row[t.c.architecture])
75     else:
76         raise ValueError("Unknown output format requested.")
77
78     if highest is not None:
79         query = sql.select([t.c.package, sql.func.max(t.c.version)]).where(where) \
80                    .group_by(t.c.package).order_by(t.c.package)
81         result = session.execute(query)
82         yield ""
83         for row in result:
84             yield "{0} ({1} {2})".format(row[0], highest, row[1])