from inspect import getargspec
import sqlalchemy
-from sqlalchemy import create_engine, Table, MetaData, Column, Integer
+from sqlalchemy import create_engine, Table, MetaData, Column, Integer, desc, \
+ Text, ForeignKey
from sqlalchemy.orm import sessionmaker, mapper, relation, object_session, \
- backref, MapperExtension, EXT_CONTINUE
+ backref, MapperExtension, EXT_CONTINUE, object_mapper
from sqlalchemy import types as sqltypes
# Don't remove this, we re-export the exceptions to scripts which import us
'''
return session.query(cls).get(primary_key)
+ def session(self, replace = False):
+ '''
+ Returns the current session that is associated with the object. May
+ return None is object is in detached state.
+ '''
+
+ return object_session(self)
+
+ def clone(self, session = None):
+ '''
+ Clones the current object in a new session and returns the new clone. A
+ fresh session is created if the optional session parameter is not
+ provided. The function will fail if a session is provided and has
+ unflushed changes.
+
+ RATIONALE: SQLAlchemy's session is not thread safe. This method clones
+ an existing object to allow several threads to work with their own
+ instances of an ORMObject.
+
+ WARNING: Only persistent (committed) objects can be cloned. Changes
+ made to the original object that are not committed yet will get lost.
+ The session of the new object will always be rolled back to avoid
+ ressource leaks.
+ '''
+
+ if self.session() is None:
+ raise RuntimeError( \
+ 'Method clone() failed for detached object:\n%s' % self)
+ self.session().flush()
+ mapper = object_mapper(self)
+ primary_key = mapper.primary_key_from_instance(self)
+ object_class = self.__class__
+ if session is None:
+ session = DBConn().session()
+ elif len(session.new) + len(session.dirty) + len(session.deleted) > 0:
+ raise RuntimeError( \
+ 'Method clone() failed due to unflushed changes in session.')
+ new_object = session.query(object_class).get(primary_key)
+ session.rollback()
+ if new_object is None:
+ raise RuntimeError( \
+ 'Method clone() failed for non-persistent object:\n%s' % self)
+ return new_object
+
__all__.append('ORMObject')
################################################################################
################################################################################
-class BinAssociation(object):
- def __init__(self, *args, **kwargs):
- pass
-
- def __repr__(self):
- return '<BinAssociation %s (%s, %s)>' % (self.ba_id, self.binary, self.suite)
+class BinContents(ORMObject):
+ def __init__(self, file = None, binary = None):
+ self.file = file
+ self.binary = binary
-__all__.append('BinAssociation')
-
-################################################################################
-
-class BinContents(object):
- def __init__(self, *args, **kwargs):
- pass
-
- def __repr__(self):
- return '<BinContents (%s, %s)>' % (self.binary, self.filename)
+ def properties(self):
+ return ['file', 'binary']
__all__.append('BinContents')
def properties(self):
return ['package', 'version', 'maintainer', 'source', 'architecture', \
'poolfile', 'binarytype', 'fingerprint', 'install_date', \
- 'suites_count', 'binary_id']
+ 'suites_count', 'binary_id', 'contents_count']
def not_null_constraints(self):
return ['package', 'version', 'maintainer', 'source', 'poolfile', \
'binarytype']
+ def get_component_name(self):
+ return self.poolfile.location.component.component_name
+
__all__.append('DBBinary')
@session_wrapper
__all__.append('get_suites_binary_in')
@session_wrapper
-def get_binaries_from_name(package, version=None, architecture=None, session=None):
- """
- Returns list of DBBinary objects for given C{package} name
+def get_component_by_package_suite(package, suite_list, arch_list=[], session=None):
+ '''
+ Returns the component name of the newest binary package in suite_list or
+ None if no package is found. The result can be optionally filtered by a list
+ of architecture names.
@type package: str
@param package: DBBinary package name to search for
- @type version: str or None
- @param version: Version to search for (or None)
-
- @type architecture: str, list or None
- @param architecture: Architectures to limit to (or None if no limit)
-
- @type session: Session
- @param session: Optional SQL session object (a temporary one will be
- generated if not supplied)
-
- @rtype: list
- @return: list of DBBinary objects for the given name (may be empty)
- """
-
- q = session.query(DBBinary).filter_by(package=package)
-
- if version is not None:
- q = q.filter_by(version=version)
-
- if architecture is not None:
- if not isinstance(architecture, list):
- architecture = [architecture]
- q = q.join(Architecture).filter(Architecture.arch_string.in_(architecture))
-
- ret = q.all()
-
- return ret
-
-__all__.append('get_binaries_from_name')
-
-@session_wrapper
-def get_binaries_from_source_id(source_id, session=None):
- """
- Returns list of DBBinary objects for given C{source_id}
-
- @type source_id: int
- @param source_id: source_id to search for
-
- @type session: Session
- @param session: Optional SQL session object (a temporary one will be
- generated if not supplied)
-
- @rtype: list
- @return: list of DBBinary objects for the given name (may be empty)
- """
-
- return session.query(DBBinary).filter_by(source_id=source_id).all()
-
-__all__.append('get_binaries_from_source_id')
-
-@session_wrapper
-def get_binary_from_name_suite(package, suitename, session=None):
- ### For dak examine-package
- ### XXX: Doesn't use object API yet
+ @type suite_list: list of str
+ @param suite_list: list of suite_name items
- 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
- WHERE b.package='%(package)s'
- AND b.file = fi.id
- AND fi.location = l.id
- AND l.component = c.id
- AND ba.bin=b.id
- AND ba.suite = su.id
- AND su.suite_name %(suitename)s
- ORDER BY b.version DESC"""
+ @type arch_list: list of str
+ @param arch_list: optional list of arch_string items that defaults to []
- return session.execute(sql % {'package': package, 'suitename': suitename})
-
-__all__.append('get_binary_from_name_suite')
-
-@session_wrapper
-def get_binary_components(package, suitename, arch, session=None):
- # 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')
- AND ba.bin = b.id AND ba.suite = s.id AND b.architecture = a.id
- AND f.location = l.id
- AND l.component = c.id
- AND b.file = f.id"""
-
- vals = {'package': package, 'suitename': suitename, 'arch': arch}
+ @rtype: str or NoneType
+ @return: name of component or None
+ '''
- return session.execute(query, vals)
+ q = session.query(DBBinary).filter_by(package = package). \
+ join(DBBinary.suites).filter(Suite.suite_name.in_(suite_list))
+ if len(arch_list) > 0:
+ q = q.join(DBBinary.architecture). \
+ filter(Architecture.arch_string.in_(arch_list))
+ binary = q.order_by(desc(DBBinary.version)).first()
+ if binary is None:
+ return None
+ else:
+ return binary.get_component_name()
-__all__.append('get_binary_components')
+__all__.append('get_component_by_package_suite')
################################################################################
################################################################################
-class Component(object):
- def __init__(self, *args, **kwargs):
- pass
+class Component(ORMObject):
+ def __init__(self, component_name = None):
+ self.component_name = component_name
def __eq__(self, val):
if isinstance(val, str):
# This signals to use the normal comparison operator
return NotImplemented
- def __repr__(self):
- return '<Component %s>' % self.component_name
+ def properties(self):
+ return ['component_name', 'component_id', 'description', \
+ 'location_count', 'meets_dfsg', 'overrides_count']
+
+ def not_null_constraints(self):
+ return ['component_name']
__all__.append('Component')
def fullpath(self):
return os.path.join(self.location.path, self.filename)
- def is_valid(self, filesize = -1, md5sum = None):\
- return self.filesize == filesize and self.md5sum == md5sum
+ def is_valid(self, filesize = -1, md5sum = None):
+ return self.filesize == long(filesize) and self.md5sum == md5sum
def properties(self):
return ['filename', 'file_id', 'filesize', 'md5sum', 'sha1sum', \
################################################################################
class Location(ORMObject):
- def __init__(self, path = None):
+ def __init__(self, path = None, component = None):
self.path = path
+ self.component = component
# the column 'type' should go away, see comment at mapper
self.archive_type = 'pool'
def properties(self):
- return ['path', 'archive_type', 'component', 'files_count']
+ return ['path', 'location_id', 'archive_type', 'component', \
+ 'files_count']
def not_null_constraints(self):
return ['path', 'archive_type']
################################################################################
-class OverrideType(object):
- def __init__(self, *args, **kwargs):
- pass
+class OverrideType(ORMObject):
+ def __init__(self, overridetype = None):
+ self.overridetype = overridetype
- def __repr__(self):
- return '<OverrideType %s>' % self.overridetype
+ def properties(self):
+ return ['overridetype', 'overridetype_id', 'overrides_count']
+
+ def not_null_constraints(self):
+ return ['overridetype']
__all__.append('OverrideType')
################################################################################
-class Priority(object):
- def __init__(self, *args, **kwargs):
- pass
+class Priority(ORMObject):
+ def __init__(self, priority = None, level = None):
+ self.priority = priority
+ self.level = level
+
+ def properties(self):
+ return ['priority', 'priority_id', 'level', 'overrides_count']
+
+ def not_null_constraints(self):
+ return ['priority', 'level']
def __eq__(self, val):
if isinstance(val, str):
# This signals to use the normal comparison operator
return NotImplemented
- def __repr__(self):
- return '<Priority %s (%s)>' % (self.priority, self.priority_id)
-
__all__.append('Priority')
@session_wrapper
################################################################################
-class Section(object):
- def __init__(self, *args, **kwargs):
- pass
+class Section(ORMObject):
+ def __init__(self, section = None):
+ self.section = section
+
+ def properties(self):
+ return ['section', 'section_id', 'overrides_count']
+
+ def not_null_constraints(self):
+ return ['section']
def __eq__(self, val):
if isinstance(val, str):
# This signals to use the normal comparison operator
return NotImplemented
- def __repr__(self):
- return '<Section %s>' % self.section
-
__all__.append('Section')
@session_wrapper
maps = [ (x[1], x[2]) for x in maps
if x[0] == "map" or x[0] == "silent-map" ]
s = [suite]
- for x in maps:
- if x[1] in s and x[0] not in s:
- s.append(x[0])
+ for (from_, to) in maps:
+ if from_ in s and to not in s:
+ s.append(to)
q = q.filter(DBSource.suites.any(Suite.suite_name.in_(s)))
self.version = version
def properties(self):
- return ['suite_name', 'version', 'sources_count', 'binaries_count']
+ return ['suite_name', 'version', 'sources_count', 'binaries_count', \
+ 'overrides_count']
def not_null_constraints(self):
return ['suite_name', 'version']
'binary_acl',
'binary_acl_map',
'build_queue',
+ 'build_queue_files',
'changelogs_text',
+ 'changes',
'component',
'config',
'changes_pending_binaries',
'suite',
'uid',
'upload_blocks',
- # The following tables have primary keys but sqlalchemy
- # version 0.5 fails to reflect them correctly with database
- # versions before upgrade #41.
- #'changes',
- #'build_queue_files',
)
tables_no_primary = (
- 'bin_contents',
'changes_pending_files_map',
'changes_pending_source_files',
'changes_pool_files',
'suite_src_formats',
'suite_build_queue_copy',
'udeb_contents',
- # see the comment above
- 'changes',
- 'build_queue_files',
)
views = (
table = Table(table_name, self.db_meta, autoload=True)
setattr(self, 'tbl_%s' % table_name, table)
+ # bin_contents needs special attention until update #41 has been
+ # applied
+ self.tbl_bin_contents = Table('bin_contents', self.db_meta, \
+ Column('file', Text, primary_key = True),
+ Column('binary_id', Integer, ForeignKey('binaries.id'), \
+ primary_key = True),
+ autoload=True, useexisting=True)
+
for view_name in views:
view = Table(view_name, self.db_meta, autoload=True)
setattr(self, 'view_%s' % view_name, view)
properties = dict(archive_id = self.tbl_archive.c.id,
archive_name = self.tbl_archive.c.name))
- mapper(BinAssociation, self.tbl_bin_associations,
- properties = dict(ba_id = self.tbl_bin_associations.c.id,
- suite_id = self.tbl_bin_associations.c.suite,
- suite = relation(Suite),
- binary_id = self.tbl_bin_associations.c.bin,
- binary = relation(DBBinary)))
-
mapper(PendingBinContents, self.tbl_pending_bin_contents,
properties = dict(contents_id =self.tbl_pending_bin_contents.c.id,
filename = self.tbl_pending_bin_contents.c.filename,
fingerprint = relation(Fingerprint),
install_date = self.tbl_binaries.c.install_date,
suites = relation(Suite, secondary=self.tbl_bin_associations,
- backref=backref('binaries', lazy='dynamic')),
- binassociations = relation(BinAssociation,
- primaryjoin=(self.tbl_binaries.c.id==self.tbl_bin_associations.c.bin))),
+ backref=backref('binaries', lazy='dynamic'))),
extension = validator)
mapper(BinaryACL, self.tbl_binary_acl,
mapper(Component, self.tbl_component,
properties = dict(component_id = self.tbl_component.c.id,
- component_name = self.tbl_component.c.name))
+ component_name = self.tbl_component.c.name),
+ extension = validator)
mapper(DBConfig, self.tbl_config,
properties = dict(config_id = self.tbl_config.c.id))
mapper(Location, self.tbl_location,
properties = dict(location_id = self.tbl_location.c.id,
component_id = self.tbl_location.c.component,
- component = relation(Component),
+ component = relation(Component, backref='location'),
archive_id = self.tbl_location.c.archive,
archive = relation(Archive),
# FIXME: the 'type' column is old cruft and
mapper(Override, self.tbl_override,
properties = dict(suite_id = self.tbl_override.c.suite,
- suite = relation(Suite),
+ suite = relation(Suite, \
+ backref=backref('overrides', lazy='dynamic')),
package = self.tbl_override.c.package,
component_id = self.tbl_override.c.component,
- component = relation(Component),
+ component = relation(Component, \
+ backref=backref('overrides', lazy='dynamic')),
priority_id = self.tbl_override.c.priority,
- priority = relation(Priority),
+ priority = relation(Priority, \
+ backref=backref('overrides', lazy='dynamic')),
section_id = self.tbl_override.c.section,
- section = relation(Section),
+ section = relation(Section, \
+ backref=backref('overrides', lazy='dynamic')),
overridetype_id = self.tbl_override.c.type,
- overridetype = relation(OverrideType)))
+ overridetype = relation(OverrideType, \
+ backref=backref('overrides', lazy='dynamic'))))
mapper(OverrideType, self.tbl_override_type,
properties = dict(overridetype = self.tbl_override_type.c.type,
fingerprint = relation(Fingerprint, backref="uploadblocks"),
uid = relation(Uid, backref="uploadblocks")))
+ mapper(BinContents, self.tbl_bin_contents,
+ properties = dict(
+ binary = relation(DBBinary,
+ backref=backref('contents', lazy='dynamic')),
+ file = self.tbl_bin_contents.c.file))
+
## Connection functions
def __createconn(self):
from config import Config
projects / dak.git / blobdiff