Port bts_categorize to python-debianbts

[dak.git] / dak / contents.py

diff --git a/dak/contents.py b/dak/contents.py
index be1e6d05ceef672389b364949c87ceeedb4a33ed..e5fb129da119028254f5fe847edb1489604e19b0 100755 (executable)
--- a/dak/contents.py
+++ b/dak/contents.py
@@ -37,15 +37,18 @@ Create all the contents files
 import sys
 import os
 import logging
 import sys
 import os
 import logging

-import math

 import gzip
 import threading
 import gzip
 import threading

+import traceback

 import Queue
 import apt_pkg
 import Queue
 import apt_pkg

+import datetime
+import traceback

 from daklib import utils
 from daklib.binary import Binary
 from daklib.config import Config
 from daklib import utils
 from daklib.binary import Binary
 from daklib.config import Config

-from daklib.dbconn import DBConn
+from daklib.dbconn import *
+

 ################################################################################
 
 def usage (exit_code=0):
 ################################################################################
 
 def usage (exit_code=0):


@@ -55,8 +58,11 @@ COMMANDS
     generate
         generate Contents-$arch.gz files
 
     generate
         generate Contents-$arch.gz files
 

+    bootstrap_bin
+        scan the debs in the existing pool and load contents into the bin_contents table
+

     bootstrap
     bootstrap

-        scan the debs in the existing pool and load contents in the the database
+        copy data from the bin_contents table into the deb_contents / udeb_contents tables

 
     cruft
         remove files/paths which are no longer referenced by a binary
 
     cruft
         remove files/paths which are no longer referenced by a binary


@@ -87,360 +93,500 @@ log = logging.getLogger()
 
 ################################################################################
 
 
 ################################################################################
 

-# get all the arches delivered for a given suite
-# this should probably exist somehere common
-arches_q = """PREPARE arches_q(int) as
-              SELECT s.architecture, a.arch_string
-              FROM suite_architectures s
-              JOIN architecture a ON (s.architecture=a.id)
-                  WHERE suite = $1"""
-
-# find me the .deb for a given binary id
-debs_q = """PREPARE debs_q(int, int) as
-              SELECT b.id, f.filename FROM bin_assoc_by_arch baa
-              JOIN binaries b ON baa.bin=b.id
-              JOIN files f ON b.file=f.id
-              WHERE suite = $1
-                  AND arch = $2"""
-
-# ask if we already have contents associated with this binary
-olddeb_q = """PREPARE olddeb_q(int) as
-              SELECT 1 FROM content_associations
-              WHERE binary_pkg = $1
-              LIMIT 1"""
-
-# find me all of the contents for a given .deb
-contents_q = """PREPARE contents_q(int,int) as
-                SELECT (p.path||'/'||n.file) AS fn,
-                        s.section,
-                        b.package,
-                        b.architecture
-               FROM content_associations c join content_file_paths p ON (c.filepath=p.id)
-               JOIN content_file_names n ON (c.filename=n.id)
-               JOIN binaries b ON (b.id=c.binary_pkg)
-               JOIN override o ON (o.package=b.package)
-               JOIN section s ON (s.id=o.section)
-               WHERE o.suite = $1 AND o.type = $2
-               AND b.type='deb'
-               ORDER BY fn"""
-
-# find me all of the contents for a given .udeb
-udeb_contents_q = """PREPARE udeb_contents_q(int,int,int) as
-              SELECT (p.path||'/'||n.file) AS fn,
-                        s.section,
-                        b.package,
-                        b.architecture
-               FROM content_associations c join content_file_paths p ON (c.filepath=p.id)
-               JOIN content_file_names n ON (c.filename=n.id)
-               JOIN binaries b ON (b.id=c.binary_pkg)
-               JOIN override o ON (o.package=b.package)
-               JOIN section s ON (s.id=o.section)
-               WHERE o.suite = $1 AND o.type = $2
-               AND s.id = $3
-               AND b.type='udeb'
-               ORDER BY fn"""
-
-#               FROM content_file_paths p join content_associations c ON (c.filepath=p.id)
-#               JOIN content_file_names n ON (c.filename=n.id)
-#               JOIN binaries b ON (b.id=c.binary_pkg)
-#               JOIN override o ON (o.package=b.package)
-#               JOIN section s ON (s.id=o.section)
-#               WHERE o.suite = $1 AND o.type = $2
-#               AND s.id = $3
-#               AND b.id in (SELECT ba.bin from bin_associations ba join binaries b on b.id=ba.bin where (b.architecture=$3 or b.architecture=$4)and ba.suite=$1 and b.type='udeb')
-#               GROUP BY fn
-#               ORDER BY fn;"""
-
-
-
-# clear out all of the temporarily stored content associations
-# this should be run only after p-a has run.  after a p-a
-# run we should have either accepted or rejected every package
-# so there should no longer be anything in the queue
-remove_pending_contents_cruft_q = """DELETE FROM pending_content_associations"""
-
-# delete any filenames we are storing which have no binary associated with them
-remove_filename_cruft_q = """DELETE FROM content_file_names
-                             WHERE id IN (SELECT cfn.id FROM content_file_names cfn
-                                          LEFT JOIN content_associations ca
-                                            ON ca.filename=cfn.id
-                                          WHERE ca.id IS NULL)"""
-
-# delete any paths we are storing which have no binary associated with them
-remove_filepath_cruft_q = """DELETE FROM content_file_paths
-                             WHERE id IN (SELECT cfn.id FROM content_file_paths cfn
-                                          LEFT JOIN content_associations ca
-                                             ON ca.filepath=cfn.id
-                                          WHERE ca.id IS NULL)"""
-

 class EndOfContents(object):
     """
     A sentry object for the end of the filename stream
     """
     pass
 
 class EndOfContents(object):
     """
     A sentry object for the end of the filename stream
     """
     pass
 

-class GzippedContentWriter(object):
+class OneAtATime(object):
+    """
+    a one space queue which sits between multiple possible producers
+    and multiple possible consumers
+    """
+    def __init__(self):
+        self.next_in_line = None
+        self.read_lock = threading.Condition()
+        self.write_lock = threading.Condition()
+        self.die = False
+
+    def enqueue(self, next):
+        self.write_lock.acquire()
+        while self.next_in_line:
+            if self.die:
+                return
+            self.write_lock.wait()
+
+        assert( not self.next_in_line )
+        self.next_in_line = next
+        self.write_lock.release()
+        self.read_lock.acquire()
+        self.read_lock.notify()
+        self.read_lock.release()
+
+    def dequeue(self):
+        self.read_lock.acquire()
+        while not self.next_in_line:
+            if self.die:
+                return
+            self.read_lock.wait()
+
+        result = self.next_in_line
+
+        self.next_in_line = None
+        self.read_lock.release()
+        self.write_lock.acquire()
+        self.write_lock.notify()
+        self.write_lock.release()
+
+        return result
+
+
+class ContentsWorkThread(threading.Thread):

     """
     """

-    An object which will write contents out to a Contents-$arch.gz
-    file on a separate thread

     """
     """

+    def __init__(self, upstream, downstream):
+        threading.Thread.__init__(self)
+        self.upstream = upstream
+        self.downstream = downstream
+
+    def run(self):
+        while True:
+            try:
+                contents_file = self.upstream.dequeue()
+                if isinstance(contents_file,EndOfContents):
+                    if self.downstream:
+                        self.downstream.enqueue(contents_file)
+                    break
+
+                s = datetime.datetime.now()
+                print("%s start: %s" % (self,contents_file) )
+                self._run(contents_file)
+                print("%s finished: %s in %d seconds" % (self, contents_file, (datetime.datetime.now()-s).seconds ))
+                if self.downstream:
+                    self.downstream.enqueue(contents_file)
+            except:
+                traceback.print_exc()
+
+class QueryThread(ContentsWorkThread):
+    def __init__(self, upstream, downstream):
+        ContentsWorkThread.__init__(self, upstream, downstream)
+
+    def __str__(self):
+        return "QueryThread"
+    __repr__ = __str__
+
+    def _run(self, contents_file):
+        contents_file.query()
+
+class IngestThread(ContentsWorkThread):
+    def __init__(self, upstream, downstream):
+        ContentsWorkThread.__init__(self, upstream, downstream)
+
+    def __str__(self):
+        return "IngestThread"
+    __repr__ = __str__
+
+    def _run(self, contents_file):
+        contents_file.ingest()
+
+class SortThread(ContentsWorkThread):
+    def __init__(self, upstream, downstream):
+        ContentsWorkThread.__init__(self, upstream, downstream)
+
+    def __str__(self):
+        return "SortThread"
+    __repr__ = __str__
+
+    def _run(self, contents_file):
+        contents_file.sorted_keys = sorted(contents_file.filenames.keys())
+
+class OutputThread(ContentsWorkThread):
+    def __init__(self, upstream, downstream):
+        ContentsWorkThread.__init__(self, upstream, downstream)
+
+    def __str__(self):
+        return "OutputThread"
+    __repr__ = __str__
+
+    def _run(self, contents_file):
+        contents_file.open_file()
+        for fname in contents_file.sorted_keys:
+            contents_file.filehandle.write("%s\t%s\n" % (fname,contents_file.filenames[fname]))
+        contents_file.sorted_keys = None
+        contents_file.filenames.clear()
+
+class GzipThread(ContentsWorkThread):
+    def __init__(self, upstream, downstream):
+        ContentsWorkThread.__init__(self, upstream, downstream)
+
+    def __str__(self):
+        return "GzipThread"
+    __repr__ = __str__
+
+    def _run(self, contents_file):
+        os.system("gzip -f %s" % contents_file.filename)
+
+class ContentFile(object):
+    def __init__(self,
+                 filename,
+                 suite_str,
+                 suite_id):
+
+        self.filename = filename
+        self.filenames = {}
+        self.sorted_keys = None
+        self.suite_str = suite_str
+        self.suite_id = suite_id
+        self.session = None
+        self.filehandle = None
+        self.results = None
+
+    def __str__(self):
+        return self.filename
+    __repr__ = __str__
+
+
+    def cleanup(self):
+        self.filenames = None
+        self.sortedkeys = None
+        self.filehandle.close()
+        self.session.close()
+
+    def ingest(self):
+        while True:
+            r = self.results.fetchone()
+            if not r:
+                break
+            filename, package = r
+            self.filenames[filename]=package

 
 

-    header = None # a class object holding the header section of contents file
+        self.session.close()

 
 

-    def __init__(self, filename):
-        """
-        @ptype filename: string
-        @param filename: the name of the file to write to
-        """
-        self.queue = Queue.Queue()
-        self.current_file = None
-        self.first_package = True
-        self.output = self.open_file(filename)
-        self.thread = threading.Thread(target=self.write_thread,
-                                       name='Contents writer')
-        self.thread.start()
-
-    def open_file(self, filename):
+    def open_file(self):

         """
         opens a gzip stream to the contents file
         """
         """
         opens a gzip stream to the contents file
         """

-        filepath = Config()["Contents::Root"] + filename
-        filedir = os.path.dirname(filepath)
+        filepath = Config()["Contents::Root"] + self.filename
+        filedir = os.path.dirname(self.filename)

         if not os.path.isdir(filedir):
             os.makedirs(filedir)
         if not os.path.isdir(filedir):
             os.makedirs(filedir)

-        return gzip.open(filepath, "w")
-
-    def write(self, filename, section, package):
-        """
-        enqueue content to be written to the file on a separate thread
-        """
-        self.queue.put((filename,section,package))
-
-    def write_thread(self):
-        """
-        the target of a Thread which will do the actual writing
-        """
-        while True:
-            next = self.queue.get()
-            if isinstance(next, EndOfContents):
-                self.output.write('\n')
-                self.output.close()
-                break
+        self.filehandle = open(self.filename, "w")
+        self._write_header()

 
 

-            (filename,section,package)=next
-            if next != self.current_file:
-                # this is the first file, so write the header first
-                if not self.current_file:
-                    self.output.write(self._getHeader())
+    def _write_header(self):
+        self._get_header();
+        self.filehandle.write(ContentFile.header)

 
 

-                self.output.write('\n%s\t' % filename)
-                self.first_package = True
-
-            self.current_file=filename
-
-            if not self.first_package:
-                self.output.write(',')
-            else:
-                self.first_package=False
-            self.output.write('%s/%s' % (section,package))
-
-    def finish(self):
-        """
-        enqueue the sentry object so that writers will know to terminate
-        """
-        self.queue.put(EndOfContents())
+    header=None

 
     @classmethod
 
     @classmethod

-    def _getHeader(self):
+    def _get_header(self):

         """
         Internal method to return the header for Contents.gz files
 
         This is boilerplate which explains the contents of the file and how
         it can be used.
         """
         """
         Internal method to return the header for Contents.gz files
 
         This is boilerplate which explains the contents of the file and how
         it can be used.
         """

-        if not GzippedContentWriter.header:
+        if not ContentFile.header:

             if Config().has_key("Contents::Header"):
                 try:
                     h = open(os.path.join( Config()["Dir::Templates"],
                                            Config()["Contents::Header"] ), "r")
             if Config().has_key("Contents::Header"):
                 try:
                     h = open(os.path.join( Config()["Dir::Templates"],
                                            Config()["Contents::Header"] ), "r")

-                    GzippedContentWriter.header = h.read()
+                    ContentFile.header = h.read()

                     h.close()
                 except:
                     log.error( "error opening header file: %d\n%s" % (Config()["Contents::Header"],
                                                                       traceback.format_exc() ))
                     h.close()
                 except:
                     log.error( "error opening header file: %d\n%s" % (Config()["Contents::Header"],
                                                                       traceback.format_exc() ))

-                    GzippedContentWriter.header = None
+                    ContentFile.header = None

             else:
             else:

-                GzippedContentWriter.header = None
-
-        return GzippedContentWriter.header
-
+                ContentFile.header = None
+
+        return ContentFile.header
+
+
+class DebContentFile(ContentFile):
+    def __init__(self,
+                 filename,
+                 suite_str,
+                 suite_id,
+                 arch_str,
+                 arch_id):
+        ContentFile.__init__(self,
+                             filename,
+                             suite_str,
+                             suite_id )
+        self.arch_str = arch_str
+        self.arch_id = arch_id
+
+    def query(self):
+        self.session = DBConn().session();
+
+        self.results = self.session.execute("""SELECT filename, comma_separated_list(section || '/' || package)
+        FROM deb_contents
+        WHERE ( arch=2 or arch = :arch) AND suite = :suite
+        """, { 'arch':self.arch_id, 'suite':self.suite_id } )
+
+class UdebContentFile(ContentFile):
+    def __init__(self,
+                 filename,
+                 suite_str,
+                 suite_id,
+                 section_name,
+                 section_id):
+        ContentFile.__init__(self,
+                             filename,
+                             suite_str,
+                             suite_id )
+
+    def query(self):
+        self.session = DBConn().session();
+
+        self.results = self.session.execute("""SELECT filename, comma_separated_list(section || '/' || package)
+        FROM udeb_contents
+        WHERE suite = :suite
+        group by filename
+        """ , { 'suite': self.suite_id } )

 
 class Contents(object):
     """
     Class capable of generating Contents-$arch.gz files
 
 class Contents(object):
     """
     Class capable of generating Contents-$arch.gz files

-
-    Usage GenerateContents().generateContents( ["main","contrib","non-free"] )

     """
     """

-

     def __init__(self):
         self.header = None
 
     def reject(self, message):
         log.error("E: %s" % message)
 
     def __init__(self):
         self.header = None
 
     def reject(self, message):
         log.error("E: %s" % message)
 

-    # goal column for section column
-    _goal_column = 54
-

     def cruft(self):
         """
         remove files/paths from the DB which are no longer referenced
         by binaries and clean the temporary table
         """
     def cruft(self):
         """
         remove files/paths from the DB which are no longer referenced
         by binaries and clean the temporary table
         """

-        cursor = DBConn().cursor();
-        cursor.execute( "BEGIN WORK" )
-        cursor.execute( remove_pending_contents_cruft_q )
-        cursor.execute( remove_filename_cruft_q )
-        cursor.execute( remove_filepath_cruft_q )
-        cursor.execute( "COMMIT" )
+        s = DBConn().session()

 
 

+        # clear out all of the temporarily stored content associations
+        # this should be run only after p-a has run.  after a p-a
+        # run we should have either accepted or rejected every package
+        # so there should no longer be anything in the queue
+        s.query(PendingContentAssociation).delete()

 
 

-    def bootstrap(self):
-        """
-        scan the existing debs in the pool to populate the contents database tables
-        """
-        pooldir = Config()[ 'Dir::Pool' ]
+        # delete any filenames we are storing which have no binary associated
+        # with them
+        cafq = s.query(ContentAssociation.filename_id).distinct()
+        cfq = s.query(ContentFilename)
+        cfq = cfq.filter(~ContentFilename.cafilename_id.in_(cafq))
+        cfq.delete()

 
 

-        cursor = DBConn().cursor();
-        DBConn().prepare("debs_q",debs_q)
-        DBConn().prepare("olddeb_q",olddeb_q)
-        DBConn().prepare("arches_q",arches_q)
+        # delete any paths we are storing which have no binary associated with
+        # them
+        capq = s.query(ContentAssociation.filepath_id).distinct()
+        cpq = s.query(ContentFilepath)
+        cpq = cpq.filter(~ContentFilepath.cafilepath_id.in_(capq))
+        cpq.delete()

 
 

-        suites = self._suites()
-        for suite in [i.lower() for i in suites]:
-            suite_id = DBConn().get_suite_id(suite)
-
-            arch_list = self._arches(cursor, suite_id)
-            arch_all_id = DBConn().get_architecture_id("all")
-            for arch_id in arch_list:
-                cursor.execute( "EXECUTE debs_q(%d, %d)" % ( suite_id, arch_id[0] ) )
-
-                count = 0
-                while True:
-                    deb = cursor.fetchone()
-                    if not deb:
-                        break
-                    count += 1
-                    cursor1 = DBConn().cursor();
-                    cursor1.execute( "EXECUTE olddeb_q(%d)" % (deb[0] ) )
-                    old = cursor1.fetchone()
-                    if old:
-                        log.debug( "already imported: %s" % (deb[1]) )
-                    else:
-                        log.debug( "scanning: %s" % (deb[1]) )
-                        debfile = os.path.join( pooldir, deb[1] )
-                        if os.path.exists( debfile ):
-                            Binary(debfile, self.reject).scan_package(deb[0],True)
-                        else:
-                            log.error("missing .deb: %s" % deb[1])
+        s.commit()

 
 

-    def generate(self):
+
+    def bootstrap_bin(self):

         """
         """

-        Generate Contents-$arch.gz files for every available arch in each given suite.
+        scan the existing debs in the pool to populate the bin_contents table

         """
         """

-        cursor = DBConn().cursor()
+        pooldir = Config()[ 'Dir::Pool' ]

 
 

-        DBConn().prepare("arches_q", arches_q)
-        DBConn().prepare("contents_q", contents_q)
-        DBConn().prepare("udeb_contents_q", udeb_contents_q)
+        s = DBConn().session()

 
 

-        debtype_id=DBConn().get_override_type_id("deb")
-        udebtype_id=DBConn().get_override_type_id("udeb")
+        for binary in s.query(DBBinary).yield_per(100):
+            print( "binary: %s" % binary.package )
+            filename = binary.poolfile.filename
+             # Check for existing contents
+            existingq = s.execute( "select 1 from bin_contents where binary_id=:id", {'id':binary.binary_id} );
+            if existingq.fetchone():
+                log.debug( "already imported: %s" % (filename))
+            else:
+                # We don't have existing contents so import them
+                log.debug( "scanning: %s" % (filename) )

 
 

-        arch_all_id = DBConn().get_architecture_id("all")
-        suites = self._suites()
+                debfile = os.path.join(pooldir, filename)
+                if os.path.exists(debfile):
+                    Binary(debfile, self.reject).scan_package(binary.binary_id, True)
+                else:
+                    log.error("missing .deb: %s" % filename)

 
 
 
 

-        # Get our suites, and the architectures
-        for suite in [i.lower() for i in suites]:
-            suite_id = DBConn().get_suite_id(suite)
-            arch_list = self._arches(cursor, suite_id)

 
 

-            file_writers = {}
+    def bootstrap(self):
+        """
+        scan the existing debs in the pool to populate the contents database tables
+        """
+        s = DBConn().session()
+
+
+        # get a mapping of all the override types we care about (right now .deb an .udeb)
+        override_type_map = {};
+        for override_type in s.query(OverrideType).all():
+            if override_type.overridetype.endswith('deb' ):
+                override_type_map[override_type.overridetype_id] = override_type.overridetype;
+
+        for override in s.query(Override).yield_per(100):
+            if not override_type_map.has_key(override.overridetype_id):
+                #this isn't an override we care about
+                continue
+
+            binaries = s.execute("""SELECT b.id, b.architecture
+                                    FROM binaries b
+                                    JOIN bin_associations ba ON ba.bin=b.id
+                                    WHERE ba.suite=:suite
+                                    AND b.package=:package""", {'suite':override.suite_id, 'package':override.package})
+            while True:
+                binary = binaries.fetchone()
+                if not binary:
+                    break
+
+                exists = s.execute("SELECT 1 FROM %s_contents WHERE binary_id=:id limit 1" % override_type_map[override.overridetype_id], {'id':binary.id})
+
+
+                if exists.fetchone():
+                    print '.',
+                    continue
+                else:
+                    print '+',
+
+                s.execute( """INSERT INTO %s_contents (filename,section,package,binary_id,arch,suite)
+                              SELECT file, :section, :package, :binary_id, :arch, :suite
+                              FROM bin_contents
+                              WHERE binary_id=:binary_id;""" % override_type_map[override.overridetype_id],
+                           { 'section' : override.section_id,
+                             'package' : override.package,
+                             'binary_id' : binary.id,
+                             'arch' : binary.architecture,
+                             'suite' : override.suite_id } )
+                s.commit()

 
 

-            try:
-                for arch_id in arch_list:
-                    file_writers[arch_id[0]] = GzippedContentWriter("dists/%s/Contents-%s.gz" % (suite, arch_id[1]))
+    def generate(self):
+        """
+        Generate contents files for both deb and udeb
+        """
+        self.deb_generate()
+        self.udeb_generate()
+
+    def deb_generate(self):
+        """
+        Generate Contents-$arch.gz files for every available arch in each given suite.
+        """
+        session = DBConn().session()
+        debtype_id = get_override_type("deb", session)
+        suites = self._suites()

 
 

-                cursor.execute("EXECUTE contents_q(%d,%d);" % (suite_id, debtype_id))
+        inputtoquery = OneAtATime()
+        querytoingest = OneAtATime()
+        ingesttosort = OneAtATime()
+        sorttooutput = OneAtATime()
+        outputtogzip = OneAtATime()

 
 

-                while True:
-                    r = cursor.fetchone()
-                    if not r:
-                        break
+        qt = QueryThread(inputtoquery,querytoingest)
+        it = IngestThread(querytoingest,ingesttosort)
+        st = SortThread(ingesttosort,sorttooutput)
+        ot = OutputThread(sorttooutput,outputtogzip)
+        gt = GzipThread(outputtogzip, None)

 
 

-                    filename, section, package, arch = r
+        qt.start()
+        it.start()
+        st.start()
+        ot.start()
+        gt.start()

 
 

-                    if arch == arch_all_id:
-                        ## its arch all, so all contents files get it
-                        for writer in file_writers.values():
-                            writer.write(filename, section, package)
+        # Get our suites, and the architectures
+        for suite in [i.lower() for i in suites]:
+            suite_id = get_suite(suite, session).suite_id
+            print( "got suite_id: %s for suite: %s" % (suite_id, suite ) )
+            arch_list = self._arches(suite_id, session)

 
 

-                    else:
-                        file_writers[arch].write(filename, section, package)
+            for (arch_id,arch_str) in arch_list:
+                print( "suite: %s, arch: %s time: %s" %(suite_id, arch_id, datetime.datetime.now().isoformat()) )

 
 

-            finally:
-                # close all the files
-                for writer in file_writers.values():
-                    writer.finish()
+                filename = "dists/%s/Contents-%s" % (suite, arch_str)
+                cf = DebContentFile(filename, suite, suite_id, arch_str, arch_id)
+                inputtoquery.enqueue( cf )

 
 

+        inputtoquery.enqueue( EndOfContents() )
+        gt.join()

 
 

-            # The MORE fun part. Ok, udebs need their own contents files, udeb, and udeb-nf (not-free)
-            # This is HORRIBLY debian specific :-/
-        for section, fn_pattern in [("debian-installer","dists/%s/Contents-udeb-%s.gz"),
-                                    ("non-free/debian-installer", "dists/%s/Contents-udeb-nf-%s.gz")]:
+    def udeb_generate(self):
+        """
+        Generate Contents-$arch.gz files for every available arch in each given suite.
+        """
+        session = DBConn().session()
+        udebtype_id=DBConn().get_override_type_id("udeb")
+        suites = self._suites()

 
 

-            section_id = DBConn().get_section_id(section) # all udebs should be here)
-            if section_id != -1:
+        inputtoquery = OneAtATime()
+        querytoingest = OneAtATime()
+        ingesttosort = OneAtATime()
+        sorttooutput = OneAtATime()
+        outputtogzip = OneAtATime()

 
 

-                # Get our suites, and the architectures
-                for suite in [i.lower() for i in suites]:
-                    suite_id = DBConn().get_suite_id(suite)
-                    arch_list = self._arches(cursor, suite_id)
+        qt = QueryThread(inputtoquery,querytoingest)
+        it = IngestThread(querytoingest,ingesttosort)
+        st = SortThread(ingesttosort,sorttooutput)
+        ot = OutputThread(sorttooutput,outputtogzip)
+        gt = GzipThread(outputtogzip, None)

 
 

-                    file_writers = {}
+        qt.start()
+        it.start()
+        st.start()
+        ot.start()
+        gt.start()

 
 

-                    try:
-                        for arch_id in arch_list:
-                            file_writers[arch_id[0]] = GzippedContentWriter(fn_pattern % (suite, arch_id[1]))

 
 

-                        cursor.execute("EXECUTE udeb_contents_q(%d,%d,%d)" % (suite_id, udebtype_id, section_id))
+    def generate(self):
+        """
+        Generate Contents-$arch.gz files for every available arch in each given suite.
+        """
+        session = DBConn().session()

 
 

-                        while True:
-                            r = cursor.fetchone()
-                            if not r:
-                                break
+        arch_all_id = get_architecture("all", session).arch_id

 
 

-                            filename, section, package, arch = r
+        # The MORE fun part. Ok, udebs need their own contents files, udeb, and udeb-nf (not-free)
+        # This is HORRIBLY debian specific :-/
+        for dtype, section, fn_pattern in \
+              [('deb',  None,                        "dists/%s/Contents-%s.gz"),
+               ('udeb', "debian-installer",          "dists/%s/Contents-udeb-%s.gz"),
+               ('udeb', "non-free/debian-installer", "dists/%s/Contents-udeb-nf-%s.gz")]:

 
 

-                            if not file_writers.has_key( arch ):
-                                continue
+            overridetype = get_override_type(dtype, session)

 
 

-                            if arch == arch_all_id:
-                                ## its arch all, so all contents files get it
-                                for writer in file_writers.values():
-                                    writer.write(filename, section, package)
+            # For udebs, we only look in certain sections (see the for loop above)
+            if section is not None:
+                section = get_section(section, session)

 
 

-                            else:
-                                file_writers[arch].write(filename, section, package)
-                    finally:
-                        # close all the files
-                        for writer in file_writers.values():
-                            writer.finish()
+            # Get our suites
+            for suite in which_suites(session):
+                # Which architectures do we need to work on
+                arch_list = get_suite_architectures(suite.suite_name, skipsrc=True, skipall=True, session=session)

 
 

+                # Set up our file writer dictionary
+                file_writers = {}
+                try:
+                    # One file writer per arch
+                    for arch in arch_list:
+                        file_writers[arch.arch_id] = GzippedContentWriter(fn_pattern % (suite, arch.arch_string))

 
 

+                    for r in get_suite_contents(suite, overridetype, section, session=session).fetchall():
+                        filename, section, package, arch_id = r

 
 

-################################################################################
+                        if arch_id == arch_all_id:
+                            # It's arch all, so all contents files get it
+                            for writer in file_writers.values():
+                                writer.write(filename, section, package)
+                        else:
+                            if file_writers.has_key(arch_id):
+                                file_writers[arch_id].write(filename, section, package)

 
 

+                finally:
+                    # close all the files
+                    for writer in file_writers.values():
+                        writer.finish()

     def _suites(self):
         """
         return a list of suites to operate on
     def _suites(self):
         """
         return a list of suites to operate on


@@ -452,14 +598,20 @@ class Contents(object):
 
         return suites
 
 
         return suites
 

-    def _arches(self, cursor, suite):
+    def _arches(self, suite, session):

         """
         return a list of archs to operate on
         """
         arch_list = []
         """
         return a list of archs to operate on
         """
         arch_list = []

-        cursor.execute("EXECUTE arches_q(%d)" % (suite))
+        arches = session.execute(
+            """SELECT s.architecture, a.arch_string
+            FROM suite_architectures s
+            JOIN architecture a ON (s.architecture=a.id)
+            WHERE suite = :suite_id""",
+            {'suite_id':suite } )
+

         while True:
         while True:

-            r = cursor.fetchone()
+            r = arches.fetchone()

             if not r:
                 break
 
             if not r:
                 break
 


@@ -468,8 +620,8 @@ class Contents(object):
 
         return arch_list
 
 
         return arch_list
 

-################################################################################

 
 

+################################################################################

 
 def main():
     cnf = Config()
 
 def main():
     cnf = Config()


@@ -481,6 +633,7 @@ def main():
                 ]
 
     commands = {'generate' : Contents.generate,
                 ]
 
     commands = {'generate' : Contents.generate,

+                'bootstrap_bin' : Contents.bootstrap_bin,

                 'bootstrap' : Contents.bootstrap,
                 'cruft' : Contents.cruft,
                 }
                 'bootstrap' : Contents.bootstrap,
                 'cruft' : Contents.cruft,
                 }


@@ -507,5 +660,17 @@ def main():
 
     commands[args[0]](Contents())
 
 
     commands[args[0]](Contents())
 

+def which_suites(session):
+    """
+    return a list of suites to operate on
+    """
+    if Config().has_key( "%s::%s" %(options_prefix,"Suite")):
+        suites = utils.split_args(Config()[ "%s::%s" %(options_prefix,"Suite")])
+    else:
+        suites = Config().SubTree("Suite").List()
+
+    return [get_suite(s.lower(), session) for s in suites]
+
+

 if __name__ == '__main__':
     main()
 if __name__ == '__main__':
     main()