import logging
import math
import gzip
+import threading
+import Queue
import apt_pkg
from daklib import utils
from daklib.binary import Binary
-s, --suite={stable,testing,unstable,...}
only operate on a single suite
-
- -a, --arch={i386,amd64}
- only operate on a single architecture
"""
sys.exit(exit_code)
LIMIT 1"""
# find me all of the contents for a given .deb
-contents_q = """PREPARE contents_q(int,int,int,int) as
+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,
- comma_separated_list(s.section||'/'||b.package)
- 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 bin_associations ba ON (b.id=ba.bin)
- JOIN override o ON (o.package=b.package)
- JOIN section s ON (s.id=o.section)
- WHERE (b.architecture = $1 OR b.architecture = $2)
- AND ba.suite = $3
- AND o.suite = $3
- AND b.type = 'deb'
- AND o.type = $4
- GROUP BY fn
- ORDER BY fn"""
-
-udeb_contents_q = """PREPARE udeb_contents_q(int,int,int,int,int) as
- SELECT (p.path||'/'||n.file) as fn,
- comma_separated_list(s.section||'/'||b.package)
- 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 bin_associations ba ON (b.id=ba.bin)
- JOIN override o ON (o.package=b.package)
- JOIN section s ON (s.id=o.section)
- WHERE (b.architecture = $1 OR b.architecture = $2)
- AND s.id = $3
- AND ba.suite = $4
- AND o.suite = $4
- AND b.type = 'udeb'
- AND o.type = $5
- GROUP BY fn
- ORDER BY 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=$1 and b.type='udeb')
+# GROUP BY fn
+# ORDER BY fn;"""
+
# clear out all of the temporarily stored content associations
LEFT JOIN content_associations ca
ON ca.filepath=cfn.id
WHERE ca.id IS NULL)"""
-class Contents(object):
+
+class EndOfContents(object):
"""
- Class capable of generating Contents-$arch.gz files
+ A sentry object for the end of the filename stream
+ """
+ pass
- Usage GenerateContents().generateContents( ["main","contrib","non-free"] )
+class GzippedContentWriter(object):
+ """
+ An object which will write contents out to a Contents-$arch.gz
+ file on a separate thread
"""
- def __init__(self):
- self.header = None
+ header = None # a class object holding the header section of contents file
- def reject(self, message):
- log.error("E: %s" % message)
+ 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):
+ """
+ opens a gzip stream to the contents file
+ """
+ filepath = Config()["Contents::Root"] + filename
+ filedir = os.path.dirname(filepath)
+ 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
+
+ (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())
+
+ 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())
+
+ @classmethod
def _getHeader(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.
"""
- if self.header == None:
+ if not GzippedContentWriter.header:
if Config().has_key("Contents::Header"):
try:
h = open(os.path.join( Config()["Dir::Templates"],
Config()["Contents::Header"] ), "r")
- self.header = h.read()
+ GzippedContentWriter.header = h.read()
h.close()
except:
log.error( "error opening header file: %d\n%s" % (Config()["Contents::Header"],
traceback.format_exc() ))
- self.header = False
+ GzippedContentWriter.header = None
else:
- self.header = False
+ GzippedContentWriter.header = None
- return self.header
+ return GzippedContentWriter.header
- # goal column for section column
- _goal_column = 54
- def _write_content_file(self, cursor, filename):
- """
- Internal method for writing all the results to a given file.
- The cursor should have a result set generated from a query already.
- """
- filepath = Config()["Contents::Root"] + filename
- filedir = os.path.dirname(filepath)
- if not os.path.isdir(filedir):
- os.makedirs(filedir)
- f = gzip.open(filepath, "w")
- try:
- header = self._getHeader()
+class Contents(object):
+ """
+ Class capable of generating Contents-$arch.gz files
- if header:
- f.write(header)
+ Usage GenerateContents().generateContents( ["main","contrib","non-free"] )
+ """
- while True:
- contents = cursor.fetchone()
- if not contents:
- return
+ def __init__(self):
+ self.header = None
- num_tabs = max(1,
- int(math.ceil((self._goal_column - len(contents[0])-1) / 8)))
- f.write(contents[0] + ( '\t' * num_tabs ) + contents[-1] + "\n")
+ def reject(self, message):
+ log.error("E: %s" % message)
- finally:
- f.close()
+ # goal column for section column
+ _goal_column = 54
def cruft(self):
"""
"""
Generate Contents-$arch.gz files for every available arch in each given suite.
"""
- cursor = DBConn().cursor();
+ cursor = DBConn().cursor()
- DBConn().prepare( "arches_q", arches_q )
- DBConn().prepare( "contents_q", contents_q )
- DBConn().prepare( "udeb_contents_q", udeb_contents_q )
+ DBConn().prepare("arches_q", arches_q)
+ DBConn().prepare("contents_q", contents_q)
+ DBConn().prepare("udeb_contents_q", udeb_contents_q)
debtype_id=DBConn().get_override_type_id("deb")
udebtype_id=DBConn().get_override_type_id("udeb")
+ arch_all_id = DBConn().get_architecture_id("all")
suites = self._suites()
+
# 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)
- arch_all_id = DBConn().get_architecture_id("all")
+ file_writers = {}
+
+ try:
+ for arch_id in arch_list:
+ file_writers[arch_id[0]] = GzippedContentWriter("dists/%s/Contents-%s.gz" % (suite, arch_id[1]))
+
+ cursor.execute("EXECUTE contents_q(%d,%d);" % (suite_id, debtype_id))
+
+ while True:
+ r = cursor.fetchone()
+ if not r:
+ break
+
+ filename, section, package, arch = r
+
+ if not file_writers.has_key( arch ):
+ continue
+
+ 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)
+
+ else:
+ file_writers[arch].write(filename, section, package)
+
+ finally:
+ # close all the files
+ for writer in file_writers.values():
+ writer.finish()
- for arch_id in arch_list:
- cursor.execute("EXECUTE contents_q(%d,%d,%d,%d)" % (arch_id[0], arch_all_id, suite_id, debtype_id))
- self._write_content_file(cursor, "dists/%s/Contents-%s.gz" % (suite, arch_id[1]))
# 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")]:
+ for section, fn_pattern in [("debian-installer","dists/%s/Contents-udeb-%s.gz"),
+ ("non-free/debian-installer", "dists/%s/Contents-udeb-nf-%s.gz")]:
- for arch_id in arch_list:
- section_id = DBConn().get_section_id(section) # all udebs should be here)
- if section_id != -1:
- cursor.execute("EXECUTE udeb_contents_q(%d,%d,%d,%d,%d)" % (arch_id[0], arch_all_id, section_id, suite_id, udebtype_id))
+ section_id = DBConn().get_section_id(section) # all udebs should be here)
+ if section_id != -1:
+
+ # 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 = {}
+
+ 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))
+
+ while True:
+ r = cursor.fetchone()
+ if not r:
+ break
+
+ filename, section, package, arch = r
+
+ if not file_writers.has_key( arch ):
+ continue
+
+ 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)
+
+ else:
+ file_writers[arch].write(filename, section, package)
+ finally:
+ # close all the files
+ for writer in file_writers.values():
+ writer.finish()
- self._write_content_file(cursor, fn_pattern % (suite, arch_id[1]))
################################################################################
"""
return a list of archs to operate on
"""
- arch_list = [ ]
- if Config().has_key( "%s::%s" %(options_prefix,"Arch")):
- archs = utils.split_args(Config()[ "%s::%s" %(options_prefix,"Arch")])
- for arch_name in archs:
- arch_list.append((DBConn().get_architecture_id(arch_name), arch_name))
- else:
- cursor.execute("EXECUTE arches_q(%d)" % (suite))
- while True:
- r = cursor.fetchone()
- if not r:
- break
+ arch_list = []
+ cursor.execute("EXECUTE arches_q(%d)" % (suite))
+ while True:
+ r = cursor.fetchone()
+ if not r:
+ break
- if r[1] != "source" and r[1] != "all":
- arch_list.append((r[0], r[1]))
+ if r[1] != "source" and r[1] != "all":
+ arch_list.append((r[0], r[1]))
return arch_list
################################################################################
+
def main():
cnf = Config()
('s',"suite", "%s::%s" % (options_prefix,"Suite"),"HasArg"),
('q',"quiet", "%s::%s" % (options_prefix,"Quiet")),
('v',"verbose", "%s::%s" % (options_prefix,"Verbose")),
- ('a',"arch", "%s::%s" % (options_prefix,"Arch"),"HasArg"),
]
commands = {'generate' : Contents.generate,
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