"""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
from collections import defaultdict
import sqlalchemy.dialects.postgresql as pgsql
import sqlalchemy.sql as sql
from daklib.dbconn import DBConn
[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()