Package daklib :: Module ls
[hide private]
[frames] | no frames]

Source Code for Module daklib.ls

  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 
 25  from collections import defaultdict 
 26   
 27   
28 -def list_packages(packages, suites=None, components=None, architectures=None, binary_types=None, 29 source_and_binary=False, regex=False, 30 format=None, highest=None):
31 session = DBConn().session() 32 try: 33 t = DBConn().view_package_list 34 35 comparison_operator = "~" if regex else "=" 36 37 where = sql.false() 38 for package in packages: 39 where = where | t.c.package.op(comparison_operator)(package) 40 if source_and_binary: 41 where = where | t.c.source.op(comparison_operator)(package) 42 43 if suites is not None: 44 where = where & (t.c.suite.in_(suites) | t.c.codename.in_(suites)) 45 if components is not None: 46 where = where & t.c.component.in_(components) 47 if architectures is not None: 48 where = where & t.c.architecture.in_(architectures) 49 if binary_types is not None: 50 where = where & t.c.type.in_(binary_types) 51 52 if format is None: 53 c_architectures = daksql.string_agg(t.c.architecture, ', ', order_by=[t.c.architecture_is_source.desc(), t.c.architecture]) 54 query = sql.select([t.c.package, t.c.version, t.c.display_suite, c_architectures]) \ 55 .where(where) \ 56 .group_by(t.c.package, t.c.version, t.c.display_suite) \ 57 .order_by(t.c.package, t.c.version, t.c.display_suite) 58 result = session.execute(query).fetchall() 59 60 if len(result) == 0: 61 return 62 63 lengths = { 64 'package': max(10, max(len(row[t.c.package]) for row in result)), 65 'version': max(13, max(len(row[t.c.version]) for row in result)), 66 'suite': max(10, max(len(row[t.c.display_suite]) for row in result)) 67 } 68 format = "{0:{lengths[package]}} | {1:{lengths[version]}} | {2:{lengths[suite]}} | {3}" 69 70 for row in result: 71 yield format.format(row[t.c.package], row[t.c.version], row[t.c.display_suite], row[c_architectures], lengths=lengths) 72 elif format in ('control-suite', 'heidi'): 73 query = sql.select([t.c.package, t.c.version, t.c.architecture]).where(where) 74 result = session.execute(query) 75 for row in result: 76 yield "{0} {1} {2}".format(row[t.c.package], row[t.c.version], row[t.c.architecture]) 77 elif format == "python": 78 c_architectures = daksql.string_agg(t.c.architecture, ',', order_by=[t.c.architecture_is_source.desc(), t.c.architecture]) 79 query = sql.select([t.c.package, 80 t.c.version, 81 t.c.display_suite, 82 c_architectures, 83 t.c.source, 84 t.c.source_version, 85 t.c.component]) \ 86 .where(where) \ 87 .group_by(t.c.package, 88 t.c.version, 89 t.c.display_suite, 90 t.c.source, 91 t.c.component, 92 t.c.source_version) 93 result = session.execute(query).fetchall() 94 95 if len(result) == 0: 96 return 97 98 def val(): 99 return defaultdict(val)
100 ret = val() 101 for row in result: 102 ret[row[t.c.package]][row[t.c.display_suite]][row[t.c.version]] = {'component': row[t.c.component], 103 'architectures': row[c_architectures].split(','), 104 'source': row[t.c.source], 105 'source_version': row[t.c.source_version] 106 } 107 108 yield ret 109 return 110 else: 111 raise ValueError("Unknown output format requested.") 112 113 if highest is not None: 114 query = sql.select([t.c.package, sql.func.max(t.c.version)]).where(where) \ 115 .group_by(t.c.package).order_by(t.c.package) 116 result = session.execute(query) 117 yield "" 118 for row in result: 119 yield "{0} ({1} {2})".format(row[0], highest, row[1]) 120 finally: 121 session.close() 122