from multiprocessing import Pool
from sqlalchemy import desc, or_
+from sqlalchemy.exc import IntegrityError
from subprocess import Popen, PIPE
import os.path
sure that the new ContentsWriter object can be executed in a different
thread.
'''
- self.suite = suite.clone()
- self.session = self.suite.session()
- self.architecture = architecture.clone(self.session)
- self.overridetype = overridetype.clone(self.session)
- if component is not None:
- self.component = component.clone(self.session)
- else:
- self.component = None
+ self.suite = suite
+ self.architecture = architecture
+ self.overridetype = overridetype
+ self.component = component
+ self.session = suite.session()
def query(self):
'''
Returns a query object that is doing most of the work.
'''
+ overridesuite = self.suite
+ if self.suite.overridesuite is not None:
+ overridesuite = get_suite(self.suite.overridesuite, self.session)
params = {
- 'suite': self.suite.suite_id,
- 'arch_all': get_architecture('all', self.session).arch_id,
- 'arch': self.architecture.arch_id,
- 'type_id': self.overridetype.overridetype_id,
- 'type': self.overridetype.overridetype,
+ 'suite': self.suite.suite_id,
+ 'overridesuite': overridesuite.suite_id,
+ 'arch_all': get_architecture('all', self.session).arch_id,
+ 'arch': self.architecture.arch_id,
+ 'type_id': self.overridetype.overridetype_id,
+ 'type': self.overridetype.overridetype,
}
if self.component is not None:
unique_override as
(select o.package, s.section
from override o, section s
- where o.suite = :suite and o.type = :type_id and o.section = s.id and
+ where o.suite = :overridesuite and o.type = :type_id and o.section = s.id and
o.component = :component)
-select bc.file, substring(o.section from position('/' in o.section) + 1) || '/' || b.package as package
+select bc.file, string_agg(o.section || '/' || b.package, ',' order by b.package) as pkglist
from newest_binaries b, bin_contents bc, unique_override o
where b.id = bc.binary_id and o.package = b.package
- order by bc.file, b.package'''
+ group by bc.file'''
else:
sql = '''
unique_override as
(select distinct on (o.package, s.section) o.package, s.section
from override o, section s
- where o.suite = :suite and o.type = :type_id and o.section = s.id
+ where o.suite = :overridesuite and o.type = :type_id and o.section = s.id
order by o.package, s.section, o.modified desc)
-select bc.file, substring(o.section from position('/' in o.section) + 1) || '/' || b.package as package
+select bc.file, string_agg(o.section || '/' || b.package, ',' order by b.package) as pkglist
from newest_binaries b, bin_contents bc, unique_override o
where b.id = bc.binary_id and o.package = b.package
- order by bc.file, b.package'''
+ group by bc.file'''
- return self.session.query("file", "package").from_statement(sql). \
+ return self.session.query("file", "pkglist").from_statement(sql). \
params(params)
def formatline(self, filename, package_list):
'''
Returns a formatted string for the filename argument.
'''
- package_list = ','.join(package_list)
return "%-55s %s\n" % (filename, package_list)
def fetch(self):
'''
Yields a new line of the Contents-$arch.gz file in filename order.
'''
- last_filename = None
- package_list = []
- for filename, package in self.query().yield_per(100):
- if filename != last_filename:
- if last_filename is not None:
- yield self.formatline(last_filename, package_list)
- last_filename = filename
- package_list = []
- package_list.append(package)
- if last_filename is not None:
- yield self.formatline(last_filename, package_list)
+ for filename, package_list in self.query().yield_per(100):
+ yield self.formatline(filename, package_list)
# end transaction to return connection to pool
self.session.rollback()
Write the output file.
'''
command = ['gzip', '--rsyncable']
- output_file = open(self.output_filename(), 'w')
+ final_filename = self.output_filename()
+ temp_filename = final_filename + '.new'
+ output_file = open(temp_filename, 'w')
gzip = Popen(command, stdin = PIPE, stdout = output_file)
gzip.stdin.write(self.get_header())
for item in self.fetch():
gzip.stdin.close()
output_file.close()
gzip.wait()
+ try:
+ os.remove(final_filename)
+ except:
+ pass
+ os.rename(temp_filename, final_filename)
+ os.chmod(final_filename, 0664)
@classmethod
def write_all(class_, suite_names = [], force = False):
suite_query = suite_query.filter(Suite.suite_name.in_(suite_names))
if not force:
suite_query = suite_query.filter_by(untouchable = False)
- main = get_component('main', session)
- non_free = get_component('non-free', session)
- deb = get_override_type('deb', session)
- udeb = get_override_type('udeb', session)
+ deb_id = get_override_type('deb', session).overridetype_id
+ udeb_id = get_override_type('udeb', session).overridetype_id
+ main_id = get_component('main', session).component_id
+ non_free_id = get_component('non-free', session).component_id
pool = Pool()
for suite in suite_query:
+ suite_id = suite.suite_id
for architecture in suite.get_architectures(skipsrc = True, skipall = True):
+ arch_id = architecture.arch_id
# handle 'deb' packages
- writer = ContentsWriter(suite, architecture, deb)
- pool.apply(writer.write_file)
+ pool.apply_async(generate_helper, (suite_id, arch_id, deb_id))
# handle 'udeb' packages for 'main' and 'non-free'
- writer = ContentsWriter(suite, architecture, udeb, component = main)
- pool.apply(writer.write_file)
- writer = ContentsWriter(suite, architecture, udeb, component = non_free)
- pool.apply(writer.write_file)
+ pool.apply_async(generate_helper, (suite_id, arch_id, udeb_id, main_id))
+ pool.apply_async(generate_helper, (suite_id, arch_id, udeb_id, non_free_id))
pool.close()
pool.join()
session.close()
+def generate_helper(suite_id, arch_id, overridetype_id, component_id = None):
+ '''
+ This function is called in a new subprocess.
+ '''
+ DBConn().reset()
+ session = DBConn().session()
+ suite = Suite.get(suite_id, session)
+ architecture = Architecture.get(arch_id, session)
+ overridetype = OverrideType.get(overridetype_id, session)
+ if component_id is None:
+ component = None
+ else:
+ component = Component.get(component_id, session)
+ contents_writer = ContentsWriter(suite, architecture, overridetype, component)
+ contents_writer.write_file()
+
class ContentsScanner(object):
'''
'''
session = DBConn().session()
binary = session.query(DBBinary).get(self.binary_id)
- for filename in binary.scan_contents():
+ fileset = set(binary.scan_contents())
+ if len(fileset) == 0:
+ fileset.add('EMPTY_PACKAGE')
+ for filename in fileset:
binary.contents.append(BinContents(file = filename))
session.commit()
session.close()
projects / dak.git / blobdiff