"""List packages according to various criteria
@copyright: 2014, Ansgar Burchardt <ansgar@debian.org>
@license: GPL-2+
"""
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
import sqlalchemy.sql as sql
import sqlalchemy.dialects.postgresql as pgsql
from daklib.dbconn import DBConn
from collections import defaultdict
[docs]def list_packages(packages, suites=None, components=None, architectures=None, binary_types=None,
source_and_binary=False, regex=False,
format=None, highest=None):
session = DBConn().session()
try:
t = DBConn().view_package_list
comparison_operator = "~" if regex else "="
where = sql.false()
for package in packages:
where = where | t.c.package.op(comparison_operator)(package)
if source_and_binary:
where = where | t.c.source.op(comparison_operator)(package)
if suites is not None:
where = where & (t.c.suite.in_(suites) | t.c.codename.in_(suites))
if components is not None:
where = where & t.c.component.in_(components)
if architectures is not None:
where = where & t.c.architecture.in_(architectures)
if binary_types is not None:
where = where & t.c.type.in_(binary_types)
if format is None:
c_architectures = sql.func.string_agg(t.c.architecture, pgsql.aggregate_order_by(', ', t.c.architecture_is_source.desc(), t.c.architecture))
query = sql.select([t.c.package, t.c.version, t.c.display_suite, c_architectures]) \
.where(where) \
.group_by(t.c.package, t.c.version, t.c.display_suite) \
.order_by(t.c.package, t.c.version, t.c.display_suite)
result = session.execute(query).fetchall()
if len(result) == 0:
return
lengths = {
'package': max(10, max(len(row[t.c.package]) for row in result)),
'version': max(13, max(len(row[t.c.version]) for row in result)),
'suite': max(10, max(len(row[t.c.display_suite]) for row in result))
}
format = "{0:{lengths[package]}} | {1:{lengths[version]}} | {2:{lengths[suite]}} | {3}"
for row in result:
yield format.format(row[t.c.package], row[t.c.version], row[t.c.display_suite], row[c_architectures], lengths=lengths)
elif format in ('control-suite', 'heidi'):
query = sql.select([t.c.package, t.c.version, t.c.architecture]).where(where)
result = session.execute(query)
for row in result:
yield "{0} {1} {2}".format(row[t.c.package], row[t.c.version], row[t.c.architecture])
elif format == "python":
c_architectures = sql.func.string_agg(t.c.architecture, pgsql.aggregate_order_by(',', t.c.architecture_is_source.desc(), t.c.architecture))
query = sql.select([t.c.package,
t.c.version,
t.c.display_suite,
c_architectures,
t.c.source,
t.c.source_version,
t.c.component]) \
.where(where) \
.group_by(t.c.package,
t.c.version,
t.c.display_suite,
t.c.source,
t.c.component,
t.c.source_version)
result = session.execute(query).fetchall()
if len(result) == 0:
return
def val():
return defaultdict(val)
ret = val()
for row in result:
ret[row[t.c.package]][row[t.c.display_suite]][row[t.c.version]] = {'component': row[t.c.component],
'architectures': row[c_architectures].split(','),
'source': row[t.c.source],
'source_version': row[t.c.source_version]
}
yield ret
return
else:
raise ValueError("Unknown output format requested.")
if highest is not None:
query = sql.select([t.c.package, sql.func.max(t.c.version)]).where(where) \
.group_by(t.c.package).order_by(t.c.package)
result = session.execute(query)
yield ""
for row in result:
yield "{0} ({1} {2})".format(row[0], highest, row[1])
finally:
session.close()