3 Create all the contents files
5 @contact: Debian FTPMaster <ftpmaster@debian.org>
6 @copyright: 2008, 2009 Michael Casadevall <mcasadevall@debian.org>
7 @copyright: 2009 Mike O'Connor <stew@debian.org>
8 @license: GNU General Public License version 2 or later
11 ################################################################################
13 # This program is free software; you can redistribute it and/or modify
14 # it under the terms of the GNU General Public License as published by
15 # the Free Software Foundation; either version 2 of the License, or
16 # (at your option) any later version.
18 # This program is distributed in the hope that it will be useful,
19 # but WITHOUT ANY WARRANTY; without even the implied warranty of
20 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 # GNU General Public License for more details.
23 # You should have received a copy of the GNU General Public License
24 # along with this program; if not, write to the Free Software
25 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 ################################################################################
29 # <Ganneff> there is the idea to slowly replace contents files
30 # <Ganneff> with a new generation of such files.
31 # <Ganneff> having more info.
33 # <Ganneff> of course that wont help for now where we need to generate them :)
35 ################################################################################
44 from daklib import utils
45 from daklib.binary import Binary
46 from daklib.config import Config
47 from daklib.dbconn import DBConn
48 ################################################################################
50 def usage (exit_code=0):
51 print """Usage: dak contents [options] command [arguments]
55 generate Contents-$arch.gz files
58 scan the debs in the existing pool and load contents in the the database
61 remove files/paths which are no longer referenced by a binary
65 show this help and exit
68 show verbose information messages
71 supress all output but errors
73 -s, --suite={stable,testing,unstable,...}
74 only operate on a single suite
76 -a, --arch={i386,amd64}
77 only operate on a single architecture
81 ################################################################################
83 # where in dak.conf all of our configuration will be stowed
85 options_prefix = "Contents"
86 options_prefix = "%s::Options" % options_prefix
88 log = logging.getLogger()
90 ################################################################################
92 # get all the arches delivered for a given suite
93 # this should probably exist somehere common
94 arches_q = """PREPARE arches_q as
95 SELECT s.architecture, a.arch_string
96 FROM suite_architectures s
97 JOIN architecture a ON (s.architecture=a.id)
100 # find me the .deb for a given binary id
101 debs_q = """PREPARE debs_q as
102 SELECT b.id, f.filename FROM bin_assoc_by_arch baa
103 JOIN binaries b ON baa.bin=b.id
104 JOIN files f ON b.file=f.id
108 # ask if we already have contents associated with this binary
109 olddeb_q = """PREPARE olddeb_q as
110 SELECT 1 FROM content_associations
111 WHERE binary_pkg = $1
114 # find me all of the contents for a given .deb
115 contents_q = """PREPARE contents_q as
116 SELECT (p.path||'/'||n.file) AS fn,
117 comma_separated_list(s.section||'/'||b.package)
118 FROM content_associations c
119 JOIN content_file_paths p ON (c.filepath=p.id)
120 JOIN content_file_names n ON (c.filename=n.id)
121 JOIN binaries b ON (b.id=c.binary_pkg)
122 JOIN bin_associations ba ON (b.id=ba.bin)
123 JOIN override o ON (o.package=b.package)
124 JOIN section s ON (s.id=o.section)
125 WHERE (b.architecture = $1 OR b.architecture = $2)
133 # find me all of the contents for a given .udeb
134 udeb_contents_q = """PREPARE udeb_contents_q as
135 SELECT (p.path||'/'||n.file) as fn,
136 comma_separated_list(s.section||'/'||b.package)
137 FROM content_associations c
138 JOIN content_file_paths p ON (c.filepath=p.id)
139 JOIN content_file_names n ON (c.filename=n.id)
140 JOIN binaries b ON (b.id=c.binary_pkg)
141 JOIN bin_associations ba ON (b.id=ba.bin)
142 JOIN override o ON (o.package=b.package)
143 JOIN section s ON (s.id=o.section)
152 # clear out all of the temporarily stored content associations
153 # this should be run only after p-a has run. after a p-a
154 # run we should have either accepted or rejected every package
155 # so there should no longer be anything in the queue
156 remove_pending_contents_cruft_q = """DELETE FROM pending_content_associations"""
158 # delete any filenames we are storing which have no binary associated with them
159 remove_filename_cruft_q = """DELETE FROM content_file_names
160 WHERE id IN (SELECT cfn.id FROM content_file_names cfn
161 LEFT JOIN content_associations ca
162 ON ca.filename=cfn.id
163 WHERE ca.id IS NULL)"""
165 # delete any paths we are storing which have no binary associated with them
166 remove_filepath_cruft_q = """DELETE FROM content_file_paths
167 WHERE id IN (SELECT cfn.id FROM content_file_paths cfn
168 LEFT JOIN content_associations ca
169 ON ca.filepath=cfn.id
170 WHERE ca.id IS NULL)"""
171 class Contents(object):
173 Class capable of generating Contents-$arch.gz files
175 Usage GenerateContents().generateContents( ["main","contrib","non-free"] )
181 def _getHeader(self):
183 Internal method to return the header for Contents.gz files
185 This is boilerplate which explains the contents of the file and how
188 if self.header == None:
189 if Config().has_key("Contents::Header"):
191 h = open(os.path.join( Config()["Dir::Templates"],
192 Config()["Contents::Header"] ), "r")
193 self.header = h.read()
194 print( "header: %s" % self.header )
197 log.error( "error opening header file: %d\n%s" % (Config()["Contents::Header"],
198 traceback.format_exc() ))
206 # goal column for section column
209 def _write_content_file(self, cursor, filename):
211 Internal method for writing all the results to a given file.
212 The cursor should have a result set generated from a query already.
214 f = gzip.open(Config()["Dir::Root"] + filename, "w")
216 header = self._getHeader()
222 contents = cursor.fetchone()
227 int( math.ceil( (self._goal_column - len(contents[0])) / 8) ) )
228 f.write(contents[0] + ( '\t' * num_tabs ) + contents[-1] + "\n")
235 remove files/paths from the DB which are no longer referenced
236 by binaries and clean the temporary table
238 cursor = DBConn().cursor();
239 cursor.execute( "BEGIN WORK" )
240 cursor.execute( remove_pending_contents_cruft_q )
241 cursor.execute( remove_filename_cruft_q )
242 cursor.execute( remove_filepath_cruft_q )
243 cursor.execute( "COMMIT" )
248 scan the existing debs in the pool to populate the contents database tables
250 pooldir = Config()[ 'Dir::Pool' ]
252 cursor = DBConn().cursor();
253 cursor.execute( debs_q )
254 cursor.execute( olddeb_q )
255 cursor.execute( arches_q )
257 suites = self._suites()
258 for suite in [i.lower() for i in suites]:
259 suite_id = DBConn().get_suite_id(suite)
261 arch_list = self._arches(cursor, suite_id)
262 arch_all_id = DBConn().get_architecture_id("all")
263 for arch_id in arch_list:
264 cursor.execute( "EXECUTE debs_q(%d, %d)" % ( suite_id, arch_id[0] ) )
268 deb = cursor.fetchone()
272 cursor1 = DBConn().cursor();
273 cursor1.execute( "EXECUTE olddeb_q(%d)" % (deb[0] ) )
274 old = cursor1.fetchone()
276 log.debug( "already imported: %s" % deb[1] )
278 debfile = os.path.join( pooldir, deb[1] )
279 if os.path.exists( debfile ):
280 Binary(debfile).scan_package( deb[0] )
282 log.error( "missing .deb: %s" % deb[1] )
286 Generate Contents-$arch.gz files for every aviailable arch in each given suite.
288 cursor = DBConn().cursor();
290 cursor.execute( arches_q )
291 cursor.execute( contents_q )
292 cursor.execute( udeb_contents_q )
294 suites = self._suites()
296 # Get our suites, and the architectures
297 for suite in [i.lower() for i in suites]:
298 suite_id = DBConn().get_suite_id(suite)
299 arch_list = self._arches(cursor, suite_id)
301 arch_all_id = DBConn().get_architecture_id("all")
303 for arch_id in arch_list:
304 cursor.execute( "EXECUTE contents_q(%d,%d,%d,%d)" % (arch_id[0], arch_all_id, suite_id, suite_id))
305 self._write_content_file(cursor, "dists/%s/Contents-%s.gz" % (suite, arch_id[1]))
307 # The MORE fun part. Ok, udebs need their own contents files, udeb, and udeb-nf (not-free)
308 # This is HORRIBLY debian specific :-/
309 for section_id, fn_pattern in [("debian-installer","dists/%s/Contents-udeb.gz"),
310 ("non-free/debian-installer", "dists/%s/Contents-udeb-nf.gz")]:
312 section_id = DBConn().get_section_id(section_id) # all udebs should be here)
314 cursor.execute("EXECUTE udeb_contents_q(%d,%d,%d)" % (section_id, suite_id, suite_id))
315 self._write_content_file(cursor, fn_pattern % suite)
318 ################################################################################
322 return a list of suites to operate on
324 if Config().has_key( "%s::%s" %(options_prefix,"Suite")):
325 suites = utils.split_args(Config()[ "%s::%s" %(options_prefix,"Suite")])
327 suites = Config().SubTree("Suite").List()
331 def _arches(self, cursor, suite):
333 return a list of archs to operate on
336 if Config().has_key( "%s::%s" %(options_prefix,"Arch")):
337 archs = utils.split_args(Config()[ "%s::%s" %(options_prefix,"Arch")])
338 for arch_name in archs:
339 arch_list.append((DBConn().get_architecture_id(arch_name), arch_name))
341 cursor.execute("EXECUTE arches_q(%d)" % (suite))
343 r = cursor.fetchone()
347 if r[1] != "source" and r[1] != "all":
348 arch_list.append((r[0], r[1]))
352 ################################################################################
357 arguments = [('h',"help", "%s::%s" % (options_prefix,"Help")),
358 ('s',"suite", "%s::%s" % (options_prefix,"Suite"),"HasArg"),
359 ('q',"quiet", "%s::%s" % (options_prefix,"Quiet")),
360 ('v',"verbose", "%s::%s" % (options_prefix,"Verbose")),
361 ('a',"arch", "%s::%s" % (options_prefix,"Arch"),"HasArg"),
364 commands = {'generate' : Contents.generate,
365 'bootstrap' : Contents.bootstrap,
366 'cruft' : Contents.cruft,
370 if cnf.has_key("%s::%s" % (options_prefix,"Quiet")):
373 elif cnf.has_key("%s::%s" % (options_prefix,"Verbose")):
377 logging.basicConfig( level=level,
378 format='%(asctime)s %(levelname)s %(message)s',
379 stream = sys.stderr )
381 args = apt_pkg.ParseCommandLine(cnf.Cnf, arguments,sys.argv)
383 if (len(args) < 1) or not commands.has_key(args[0]):
386 if cnf.has_key("%s::%s" % (options_prefix,"Help")):
389 commands[args[0]](Contents())
391 if __name__ == '__main__':