From: Mark Hymers Date: Sat, 19 Sep 2009 15:46:02 +0000 (+0100) Subject: attempt to ensure we clear up sessions X-Git-Url: https://git.decadent.org.uk/gitweb/?a=commitdiff_plain;h=45a8e97726dc50a1be3d9e24d9fc0752a91834ac;p=dak.git attempt to ensure we clear up sessions Signed-off-by: Mark Hymers --- diff --git a/daklib/dbconn.py b/daklib/dbconn.py index f32a94bb..4669cfc8 100755 --- a/daklib/dbconn.py +++ b/daklib/dbconn.py @@ -91,12 +91,23 @@ def get_architecture(architecture, session=None): @return: Architecture object for the given arch (None if not present) """ + privatetrans = False + if session is None: session = DBConn().session() + privatetrans = True + q = session.query(Architecture).filter_by(arch_string=architecture) + if q.count() == 0: - return None - return q.one() + ret = None + else: + ret = q.one() + + if privatetrans: + session.close() + + return ret __all__.append('get_architecture') @@ -114,14 +125,22 @@ def get_architecture_suites(architecture, session=None): @rtype: list @return: list of Suite objects for the given name (may be empty) """ + privatetrans = False if session is None: session = DBConn().session() + privatetrans = True q = session.query(Suite) q = q.join(SuiteArchitecture) q = q.join(Architecture).filter_by(arch_string=architecture).order_by('suite_name') - return q.all() + + ret = q.all() + + if privatetrans: + session.close() + + return ret __all__.append('get_architecture_suites') @@ -152,12 +171,23 @@ def get_archive(archive, session=None): """ archive = archive.lower() + + privatetrans = False if session is None: session = DBConn().session() + privatetrans = True + q = session.query(Archive).filter_by(archive_name=archive) + if q.count() == 0: - return None - return q.one() + ret = None + else: + ret = q.one() + + if privatetrans: + session.close() + + return ret __all__.append('get_archive') @@ -194,10 +224,16 @@ def get_suites_binary_in(package, session=None): @return: list of Suite objects for the given package """ + privatetrans = False if session is None: session = DBConn().session() + privatetrans = True - return session.query(Suite).join(BinAssociation).join(DBBinary).filter_by(package=package).all() + ret = session.query(Suite).join(BinAssociation).join(DBBinary).filter_by(package=package).all() + + session.close() + + return ret __all__.append('get_suites_binary_in') @@ -215,12 +251,22 @@ def get_binary_from_id(id, session=None): @rtype: DBBinary @return: DBBinary object for the given binary (None if not present) """ + privatetrans = False if session is None: session = DBConn().session() + privatetrans = True + q = session.query(DBBinary).filter_by(binary_id=id) + if q.count() == 0: - return None - return q.one() + ret = None + else: + ret = q.one() + + if privatetrans: + session.close() + + return ret __all__.append('get_binary_from_id') @@ -244,8 +290,10 @@ def get_binaries_from_name(package, version=None, architecture=None, session=Non @rtype: list @return: list of DBBinary objects for the given name (may be empty) """ + privatetrans = False if session is None: session = DBConn().session() + privatetrans = True q = session.query(DBBinary).filter_by(package=package) @@ -257,7 +305,12 @@ def get_binaries_from_name(package, version=None, architecture=None, session=Non architecture = [architecture] q = q.join(Architecture).filter(Architecture.arch_string.in_(architecture)) - return q.all() + ret = q.all() + + if privatetrans: + session.close() + + return ret __all__.append('get_binaries_from_name') @@ -275,9 +328,18 @@ def get_binaries_from_source_id(source_id, session=None): @rtype: list @return: list of DBBinary objects for the given name (may be empty) """ + privatetrans = False if session is None: session = DBConn().session() - return session.query(DBBinary).filter_by(source_id=source_id).all() + privatetrans = True + + ret = session.query(DBBinary).filter_by(source_id=source_id).all() + + if privatetrans: + session.close() + + return ret + __all__.append('get_binaries_from_source_id') @@ -285,8 +347,10 @@ __all__.append('get_binaries_from_source_id') def get_binary_from_name_suite(package, suitename, session=None): ### For dak examine-package ### XXX: Doesn't use object API yet + privatetrans = False if session is None: session = DBConn().session() + privatetrans = True sql = """SELECT DISTINCT(b.package), b.version, c.name, su.suite_name FROM binaries b, files fi, location l, component c, bin_associations ba, suite su @@ -299,12 +363,17 @@ def get_binary_from_name_suite(package, suitename, session=None): AND su.suite_name=:suitename ORDER BY b.version DESC""" - return session.execute(sql, {'package': package, 'suitename': suitename}) + ret = session.execute(sql, {'package': package, 'suitename': suitename}) + + if privatetrans: + session.close() + + return ret __all__.append('get_binary_from_name_suite') def get_binary_components(package, suitename, arch, session=None): -# Check for packages that have moved from one component to another + # Check for packages that have moved from one component to another query = """SELECT c.name FROM binaries b, bin_associations ba, suite s, location l, component c, architecture a, files f WHERE b.package=:package AND s.suite_name=:suitename AND (a.arch_string = :arch OR a.arch_string = 'all') @@ -315,9 +384,17 @@ def get_binary_components(package, suitename, arch, session=None): vals = {'package': package, 'suitename': suitename, 'arch': arch} + privatetrans = False if session is None: session = DBConn().session() - return session.execute(query, vals) + privatetrans = True + + ret = session.execute(query, vals) + + if privatetrans: + session.close() + + return ret __all__.append('get_binary_components') @@ -357,12 +434,23 @@ def get_component(component, session=None): """ component = component.lower() + + privatetrans = False if session is None: session = DBConn().session() + privatetrans = True + q = session.query(Component).filter_by(component_name=component) + if q.count() == 0: - return None - return q.one() + ret = None + else: + ret = q.one() + + if privatetrans: + session.close() + + return ret __all__.append('get_component') @@ -409,24 +497,23 @@ def get_or_set_contents_file_id(filename, session=None): session = DBConn().session() privatetrans = True - try: - q = session.query(ContentFilename).filter_by(filename=filename) - if q.count() < 1: - cf = ContentFilename() - cf.filename = filename - session.add(cf) - if privatetrans: - session.commit() - session.close() - else: - session.flush() - return cf.cafilename_id + q = session.query(ContentFilename).filter_by(filename=filename) + if q.count() < 1: + cf = ContentFilename() + cf.filename = filename + session.add(cf) + if privatetrans: + session.commit() else: - return q.one().cafilename_id + session.flush() + ret = cf.cafilename_id + else: + ret = q.one().cafilename_id - except: - traceback.print_exc() - raise + if privatetrans: + session.close() + + return ret __all__.append('get_or_set_contents_file_id') @@ -453,8 +540,10 @@ def get_contents(suite, overridetype, section=None, session=None): package, arch_id) """ + privatetrans = False if session is None: session = DBConn().session() + privatetrans = True # find me all of the contents for a given suite contents_q = """SELECT (p.path||'/'||n.file) AS fn, @@ -479,7 +568,12 @@ def get_contents(suite, overridetype, section=None, session=None): contents_q += " ORDER BY fn" - return session.execute(contents_q, vals) + ret = session.execute(contents_q, vals) + + if privatetrans: + session.close() + + return ret __all__.append('get_contents') @@ -515,24 +609,23 @@ def get_or_set_contents_path_id(filepath, session=None): session = DBConn().session() privatetrans = True - try: - q = session.query(ContentFilepath).filter_by(filepath=filepath) - if q.count() < 1: - cf = ContentFilepath() - cf.filepath = filepath - session.add(cf) - if privatetrans: - session.commit() - session.close() - else: - session.flush() - return cf.cafilepath_id + q = session.query(ContentFilepath).filter_by(filepath=filepath) + if q.count() < 1: + cf = ContentFilepath() + cf.filepath = filepath + session.add(cf) + if privatetrans: + session.commit() else: - return q.one().cafilepath_id + session.flush() + ret = cf.cafilepath_id + else: + ret = q.one().cafilepath_id - except: - traceback.print_exc() - raise + if privatetrans: + session.close() + + return ret __all__.append('get_or_set_contents_path_id') @@ -566,7 +659,6 @@ def insert_content_paths(binary_id, fullpaths, session=None): """ privatetrans = False - if session is None: session = DBConn().session() privatetrans = True @@ -639,8 +731,10 @@ def get_dscfiles(dscfile_id=None, source_id=None, poolfile_id=None, session=None @return: Possibly empty list of DSCFiles """ + privatetrans = False if session is None: session = DBConn().session() + privatetrans = True q = session.query(DSCFile) @@ -653,7 +747,12 @@ def get_dscfiles(dscfile_id=None, source_id=None, poolfile_id=None, session=None if poolfile_id is not None: q = q.filter_by(poolfile_id=poolfile_id) - return q.all() + ret = q.all() + + if privatetrans: + session.close() + + return ret __all__.append('get_dscfiles') @@ -695,22 +794,32 @@ def check_poolfile(filename, filesize, md5sum, location_id, session=None): (False, PoolFile object) if file found with size/md5sum mismatch """ + privatetrans = False if session is None: session = DBConn().session() + privatetrans = True q = session.query(PoolFile).filter_by(filename=filename) q = q.join(Location).filter_by(location_id=location_id) + ret = None + if q.count() > 1: - return (None, None) - if q.count() < 1: - return (False, None) + ret = (None, None) + elif q.count() < 1: + ret = (False, None) + else: + obj = q.one() + if obj.md5sum != md5sum or obj.filesize != filesize: + ret = (False, obj) - obj = q.one() - if obj.md5sum != md5sum or obj.filesize != filesize: - return (False, obj) + if ret is None: + ret = (True, obj) - return (True, obj) + if privatetrans: + session.close() + + return ret __all__.append('check_poolfile') @@ -725,15 +834,22 @@ def get_poolfile_by_id(file_id, session=None): @return: either the PoolFile object or None """ + privatetrans = False if session is None: session = DBConn().session() + privatetrans = True q = session.query(PoolFile).filter_by(file_id=file_id) if q.count() > 0: - return q.one() + ret = q.one() + else: + ret = None - return None + if privatetrans: + session.close() + + return ret __all__.append('get_poolfile_by_id') @@ -753,15 +869,22 @@ def get_poolfile_by_name(filename, location_id=None, session=None): @return: array of PoolFile objects """ + privatetrans = False if session is None: session = DBConn().session() + privatetrans = True q = session.query(PoolFile).filter_by(filename=filename) if location_id is not None: q = q.join(Location).filter_by(location_id=location_id) - return q.all() + ret = q.all() + + if privatetrans: + session.close() + + return ret __all__.append('get_poolfile_by_name') @@ -776,13 +899,20 @@ def get_poolfile_like_name(filename, session=None): @return: array of PoolFile objects """ + privatetrans = False if session is None: session = DBConn().session() + privatetrans = True # TODO: There must be a way of properly using bind parameters with %FOO% q = session.query(PoolFile).filter(PoolFile.filename.like('%%%s%%' % filename)) - return q.all() + ret = q.all() + + if privatetrans: + session.close() + + return ret __all__.append('get_poolfile_like_name') @@ -820,23 +950,23 @@ def get_or_set_fingerprint(fpr, session=None): session = DBConn().session() privatetrans = True - try: - q = session.query(Fingerprint).filter_by(fingerprint=fpr) - if q.count() < 1: - fingerprint = Fingerprint() - fingerprint.fingerprint = fpr - session.add(fingerprint) - if privatetrans: - session.commit() - else: - session.flush() - return fingerprint + q = session.query(Fingerprint).filter_by(fingerprint=fpr) + if q.count() < 1: + fingerprint = Fingerprint() + fingerprint.fingerprint = fpr + session.add(fingerprint) + if privatetrans: + session.commit() else: - return q.one() + session.flush() + ret = fingerprint + else: + ret = q.one() - except: - traceback.print_exc() - raise + if privatetrans: + session.close() + + return ret __all__.append('get_or_set_fingerprint') @@ -880,8 +1010,10 @@ def get_location(location, component=None, archive=None, session=None): @return: Either a Location object or None if one can't be found """ + privatetrans = False if session is None: session = DBConn().session() + privatetrans = True q = session.query(Location).filter_by(path=location) @@ -892,9 +1024,14 @@ def get_location(location, component=None, archive=None, session=None): q = q.join(Component).filter_by(component_name=component) if q.count() < 1: - return None + ret = None else: - return q.one() + ret = q.one() + + if privatetrans: + session.close() + + return ret __all__.append('get_location') @@ -938,23 +1075,23 @@ def get_or_set_maintainer(name, session=None): session = DBConn().session() privatetrans = True - try: - q = session.query(Maintainer).filter_by(name=name) - if q.count() < 1: - maintainer = Maintainer() - maintainer.name = name - session.add(maintainer) - if privatetrans: - session.commit() - else: - session.flush() - return maintainer + q = session.query(Maintainer).filter_by(name=name) + if q.count() < 1: + maintainer = Maintainer() + maintainer.name = name + session.add(maintainer) + if privatetrans: + session.commit() else: - return q.one() + session.flush() + ret = maintainer + else: + ret = q.one() - except: - traceback.print_exc() - raise + if privatetrans: + session.close() + + return ret __all__.append('get_or_set_maintainer') @@ -987,13 +1124,21 @@ def has_new_comment(package, version, session=None): @return: true/false """ + privatetrans = False if session is None: session = DBConn().session() + privatetrans = True q = session.query(NewComment) q = q.filter_by(package=package) q = q.filter_by(version=version) - return q.count() > 0 + + ret = q.count() > 0 + + if privatetrans: + session.close() + + return ret __all__.append('has_new_comment') @@ -1020,15 +1165,22 @@ def get_new_comments(package=None, version=None, comment_id=None, session=None): """ + privatetrans = False if session is None: session = DBConn().session() + privatetrans = True q = session.query(NewComment) if package is not None: q = q.filter_by(package=package) if version is not None: q = q.filter_by(version=version) if comment_id is not None: q = q.filter_by(comment_id=comment_id) - return q.all() + ret = q.all() + + if privatetrans: + session.close() + + return ret __all__.append('get_new_comments') @@ -1070,8 +1222,10 @@ def get_override(package, suite=None, component=None, overridetype=None, session @return: A (possibly empty) list of Override objects will be returned """ + privatetrans = False if session is None: session = DBConn().session() + privatetrans = True q = session.query(Override) q = q.filter_by(package=package) @@ -1088,7 +1242,12 @@ def get_override(package, suite=None, component=None, overridetype=None, session if not isinstance(overridetype, list): overridetype = [overridetype] q = q.join(OverrideType).filter(OverrideType.overridetype.in_(overridetype)) - return q.all() + ret = q.all() + + if privatetrans: + session.close() + + return ret __all__.append('get_override') @@ -1119,12 +1278,22 @@ def get_override_type(override_type, session=None): @return: the database id for the given override type """ + privatetrans = False if session is None: session = DBConn().session() + privatetrans = True + q = session.query(OverrideType).filter_by(overridetype=override_type) + if q.count() == 0: - return None - return q.one() + ret = None + else: + ret = q.one() + + if privatetrans: + session.close() + + return ret __all__.append('get_override_type') @@ -1199,16 +1368,18 @@ def insert_pending_content_paths(package, fullpaths, session=None): # Only commit if we set up the session ourself if privatetrans: session.commit() + session.close() else: session.flush() return True - except: + except Exception, e: traceback.print_exc() # Only rollback if we set up the session ourself if privatetrans: session.rollback() + session.close() return False @@ -1252,12 +1423,22 @@ def get_priority(priority, session=None): @return: Priority object for the given priority """ + privatetrans = False if session is None: session = DBConn().session() + privatetrans = True + q = session.query(Priority).filter_by(priority=priority) + if q.count() == 0: - return None - return q.one() + ret = None + else: + ret = q.one() + + if privatetrans: + session.close() + + return ret __all__.append('get_priority') @@ -1272,14 +1453,19 @@ def get_priorities(session=None): @rtype: dictionary @return: dictionary of priority names -> id mappings """ + privatetrans = False if session is None: session = DBConn().session() + privatetrans = True ret = {} q = session.query(Priority) for x in q.all(): ret[x.priority] = x.priority_id + if privatetrans: + session.close() + return ret __all__.append('get_priorities') @@ -1314,10 +1500,10 @@ class Queue(object): @return: None if the operation failed, a string describing the error if not """ - localcommit = False + privatetrans = False if session is None: session = DBConn().session() - localcommit = True + privatetrans = True # TODO: Remove by moving queue config into the database conf = Config() @@ -1399,8 +1585,9 @@ class Queue(object): qb.last_used = None session.add(qb) - if localcommit: + if privatetrans: session.commit() + session.close() return None @@ -1421,12 +1608,21 @@ def get_queue(queuename, session=None): @return: Queue object for the given queue """ + privatetrans = False if session is None: session = DBConn().session() + privatetrans = True + q = session.query(Queue).filter_by(queue_name=queuename) if q.count() == 0: - return None - return q.one() + ret = None + else: + ret = q.one() + + if privatetrans: + session.close() + + return ret __all__.append('get_queue') @@ -1459,8 +1655,11 @@ def get_queue_build(filename, suite, session=None): @return: Queue object for the given queue """ + privatetrans = False if session is None: session = DBConn().session() + privatetrans = True + if isinstance(suite, int): q = session.query(QueueBuild).filter_by(filename=filename).filter_by(suite_id=suite) else: @@ -1468,8 +1667,14 @@ def get_queue_build(filename, suite, session=None): q = q.join(Suite).filter_by(suite_name=suite) if q.count() == 0: - return None - return q.one() + ret = None + else: + ret = q.one() + + if privatetrans: + session.close() + + return ret __all__.append('get_queue_build') @@ -1511,12 +1716,21 @@ def get_section(section, session=None): @return: Section object for the given section name """ + privatetrans = False if session is None: session = DBConn().session() + privatetrans = True + q = session.query(Section).filter_by(section=section) if q.count() == 0: - return None - return q.one() + ret = None + else: + ret = q.one() + + if privatetrans: + session.close() + + return ret __all__.append('get_section') @@ -1531,14 +1745,19 @@ def get_sections(session=None): @rtype: dictionary @return: dictionary of section names -> id mappings """ + privatetrans = False if session is None: session = DBConn().session() + privatetrans = True ret = {} q = session.query(Section) for x in q.all(): ret[x.section] = x.section_id + if privatetrans: + session.close() + return ret __all__.append('get_sections') @@ -1579,10 +1798,13 @@ def source_exists(source, source_version, suites = ["any"], session=None): """ + privatetrans = False if session is None: session = DBConn().session() + privatetrans = True cnf = Config() + ret = 1 for suite in suites: q = session.query(DBSource).filter_by(source=source) @@ -1617,10 +1839,12 @@ def source_exists(source, source_version, suites = ["any"], session=None): continue # No source found so return not ok - return 0 + ret = 0 + + if privatetrans: + session.close() - # We're good - return 1 + return ret __all__.append('source_exists') @@ -1635,10 +1859,17 @@ def get_suites_source_in(source, session=None): @return: list of Suite objects for the given source """ + privatetrans = False if session is None: session = DBConn().session() + privatetrans = True - return session.query(Suite).join(SrcAssociation).join(DBSource).filter_by(source=source).all() + ret = session.query(Suite).join(SrcAssociation).join(DBSource).filter_by(source=source).all() + + if privatetrans: + session.close() + + return ret __all__.append('get_suites_source_in') @@ -1663,8 +1894,10 @@ def get_sources_from_name(source, version=None, dm_upload_allowed=None, session= @rtype: list @return: list of DBSource objects for the given name (may be empty) """ + privatetrans = False if session is None: session = DBConn().session() + privatetrans = True q = session.query(DBSource).filter_by(source=source) @@ -1674,7 +1907,12 @@ def get_sources_from_name(source, version=None, dm_upload_allowed=None, session= if dm_upload_allowed is not None: q = q.filter_by(dm_upload_allowed=dm_upload_allowed) - return q.all() + ret = q.all() + + if privatetrans: + session.close() + + return ret __all__.append('get_sources_from_name') @@ -1695,15 +1933,25 @@ def get_source_in_suite(source, suite, session=None): @return: the version for I{source} in I{suite} """ + privatetrans = False if session is None: session = DBConn().session() + privatetrans = True + q = session.query(SrcAssociation) q = q.join('source').filter_by(source=source) q = q.join('suite').filter_by(suite_name=suite) + if q.count() == 0: - return None - # ???: Maybe we should just return the SrcAssociation object instead - return q.one().source + ret = None + else: + # ???: Maybe we should just return the SrcAssociation object instead + ret = q.one().source + + if privatetrans: + session.close() + + return ret __all__.append('get_source_in_suite') @@ -1800,15 +2048,24 @@ def get_suite_architecture(suite, architecture, session=None): @return: the SuiteArchitecture object or None """ + privatetrans = False if session is None: session = DBConn().session() + privatetrans = True q = session.query(SuiteArchitecture) q = q.join(Architecture).filter_by(arch_string=architecture) q = q.join(Suite).filter_by(suite_name=suite) + if q.count() == 0: - return None - return q.one() + ret = None + else: + ret = q.one() + + if privatetrans: + session.close() + + return ret __all__.append('get_suite_architecture') @@ -1827,12 +2084,22 @@ def get_suite(suite, session=None): @return: Suite object for the requested suite name (None if not presenT) """ + privatetrans = False if session is None: session = DBConn().session() + privatetrans = True + q = session.query(Suite).filter_by(suite_name=suite) + if q.count() == 0: - return None - return q.one() + ret = None + else: + ret = q.one() + + if privatetrans: + session.close() + + return ret __all__.append('get_suite') @@ -1870,18 +2137,29 @@ def get_suite_architectures(suite, skipsrc=False, skipall=False, session=None): @return: list of Architecture objects for the given name (may be empty) """ + privatetrans = False if session is None: session = DBConn().session() + privatetrans = True q = session.query(Architecture) q = q.join(SuiteArchitecture) q = q.join(Suite).filter_by(suite_name=suite) + if skipsrc: q = q.filter(Architecture.arch_string != 'source') + if skipall: q = q.filter(Architecture.arch_string != 'all') + q = q.order_by('arch_string') - return q.all() + + ret = q.all() + + if privatetrans: + session.close() + + return ret __all__.append('get_suite_architectures') @@ -1923,18 +2201,17 @@ def add_database_user(uidname, session=None): @rtype: Uid @return: the uid object for the given uidname """ + privatetrans = False if session is None: session = DBConn().session() privatetrans = True - try: - session.execute("CREATE USER :uid", {'uid': uidname}) - if privatetrans: - session.commit() - except: - traceback.print_exc() - raise + session.execute("CREATE USER :uid", {'uid': uidname}) + + if privatetrans: + session.commit() + session.close() __all__.append('add_database_user') @@ -1955,43 +2232,52 @@ def get_or_set_uid(uidname, session=None): @rtype: Uid @return: the uid object for the given uidname """ + privatetrans = False if session is None: session = DBConn().session() privatetrans = True - try: - q = session.query(Uid).filter_by(uid=uidname) - if q.count() < 1: - uid = Uid() - uid.uid = uidname - session.add(uid) - if privatetrans: - session.commit() - else: - session.flush() - return uid + q = session.query(Uid).filter_by(uid=uidname) + + if q.count() < 1: + uid = Uid() + uid.uid = uidname + session.add(uid) + if privatetrans: + session.commit() else: - return q.one() + session.flush() + ret = uid + else: + ret = q.one() - except: - traceback.print_exc() - raise + if privatetrans: + session.close() + + return ret __all__.append('get_or_set_uid') def get_uid_from_fingerprint(fpr, session=None): + privatetrans = False if session is None: session = DBConn().session() + privatetrans = True q = session.query(Uid) q = q.join(Fingerprint).filter_by(fingerprint=fpr) if q.count() != 1: - return None + ret = None else: - return q.one() + ret = q.one() + + if privatetrans: + session.close() + + return ret __all__.append('get_uid_from_fingerprint')