X-Git-Url: https://git.decadent.org.uk/gitweb/?a=blobdiff_plain;f=daklib%2Fcontents.py;h=4a0b3ae25237fe8a0b63b25f284d9d0e31903a04;hb=ca92aad2e0267a71fc089db42bb3eb802065fb13;hp=848976d54717100992daf4099ac1f4a947dd2a98;hpb=783e9564f8747a8939404746d13a6ba9318e17d7;p=dak.git diff --git a/daklib/contents.py b/daklib/contents.py index 848976d5..4a0b3ae2 100755 --- a/daklib/contents.py +++ b/daklib/contents.py @@ -27,11 +27,8 @@ Helper code for contents generation. from daklib.dbconn import * from daklib.config import Config -from daklib.threadpool import ThreadPool -from multiprocessing import Pool -from sqlalchemy import desc, or_ -from sqlalchemy.exc import IntegrityError +from multiprocessing import Pool from subprocess import Popen, PIPE import os.path @@ -199,12 +196,20 @@ select bc.file, string_agg(o.section || '/' || b.package, ',' order by b.package os.chmod(final_filename, 0664) @classmethod - def write_all(class_, suite_names = [], force = False): + def log_result(class_, result): + ''' + Writes a result message to the logfile. + ''' + class_.logger.log(result) + + @classmethod + def write_all(class_, logger, suite_names = [], force = False): ''' Writes all Contents files for suites in list suite_names which defaults to all 'touchable' suites if not specified explicitely. Untouchable suites will be included if the force argument is set to True. ''' + class_.logger = logger session = DBConn().session() suite_query = session.query(Suite) if len(suite_names) > 0: @@ -221,10 +226,13 @@ select bc.file, string_agg(o.section || '/' || b.package, ',' order by b.package for architecture in suite.get_architectures(skipsrc = True, skipall = True): arch_id = architecture.arch_id # handle 'deb' packages - pool.apply_async(generate_helper, (suite_id, arch_id, deb_id)) + pool.apply_async(generate_helper, (suite_id, arch_id, deb_id), \ + callback = class_.log_result) # handle 'udeb' packages for 'main' and 'non-free' - 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.apply_async(generate_helper, (suite_id, arch_id, udeb_id, main_id), \ + callback = class_.log_result) + pool.apply_async(generate_helper, (suite_id, arch_id, udeb_id, non_free_id), \ + callback = class_.log_result) pool.close() pool.join() session.close() @@ -233,17 +241,19 @@ 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) + log_message = [suite.suite_name, architecture.arch_string, overridetype.overridetype] if component_id is None: component = None else: component = Component.get(component_id, session) + log_message.append(component.component_name) contents_writer = ContentsWriter(suite, architecture, overridetype, component) contents_writer.write_file() + return log_message class ContentsScanner(object): @@ -251,12 +261,12 @@ class ContentsScanner(object): ContentsScanner provides a threadsafe method scan() to scan the contents of a DBBinary object. ''' - def __init__(self, binary): + def __init__(self, binary_id): ''' - The argument binary is the actual DBBinary object that should be - scanned. + The argument binary_id is the id of the DBBinary object that + should be scanned. ''' - self.binary_id = binary.binary_id + self.binary_id = binary_id def scan(self, dummy_arg = None): ''' @@ -288,10 +298,18 @@ class ContentsScanner(object): if limit is not None: query = query.limit(limit) processed = query.count() - threadpool = ThreadPool() + pool = Pool() for binary in query.yield_per(100): - threadpool.queueTask(ContentsScanner(binary).scan) - threadpool.joinAll() + pool.apply_async(scan_helper, (binary.binary_id, )) + pool.close() + pool.join() remaining = remaining() session.close() return { 'processed': processed, 'remaining': remaining } + +def scan_helper(binary_id): + ''' + This function runs in a subprocess. + ''' + scanner = ContentsScanner(binary_id) + scanner.scan()