""" DB access class
@contact: Debian FTPMaster <ftpmaster@debian.org>
@copyright: 2000, 2001, 2002, 2003, 2004, 2006 James Troup <james@nocrew.org>
@copyright: 2008-2009 Mark Hymers <mhy@debian.org>
@copyright: 2009, 2010 Joerg Jaspert <joerg@debian.org>
@copyright: 2009 Mike O'Connor <stew@debian.org>
@license: GNU General Public License version 2 or later
"""
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
################################################################################
# < mhy> I need a funny comment
# < sgran> two peanuts were walking down a dark street
# < sgran> one was a-salted
# * mhy looks up the definition of "funny"
################################################################################
import apt_pkg
import functools
import inspect
import os
from os.path import normpath
import re
import subprocess
import warnings
from collections.abc import Iterable
from typing import Optional, TYPE_CHECKING, Union
from debian.debfile import Deb822
from tarfile import TarFile
import sqlalchemy
from sqlalchemy import create_engine, Table, desc
from sqlalchemy.orm import sessionmaker, mapper, relation, object_session, \
backref, object_mapper
import sqlalchemy.types
from sqlalchemy.orm.collections import attribute_mapped_collection
from sqlalchemy.ext.associationproxy import association_proxy
# Don't remove this, we re-export the exceptions to scripts which import us
from sqlalchemy.exc import *
from sqlalchemy.orm.exc import NoResultFound
import daklib.gpg
from .aptversion import AptVersion
# Only import Config until Queue stuff is changed to store its config
# in the database
from .config import Config
from .textutils import fix_maintainer
# suppress some deprecation warnings in squeeze related to sqlalchemy
warnings.filterwarnings('ignore',
"Predicate of partial index .* ignored during reflection",
SAWarning)
# (Debian 12 "bookworm") Silence warning targeted at SQLAlchemy dialect maintainers
warnings.filterwarnings(
"ignore",
"Dialect postgresql:psycopg2 will not make use of SQL compilation caching.*",
SAWarning)
from .database.base import Base
if TYPE_CHECKING:
import sqlalchemy.orm.query
################################################################################
# Patch in support for the debversion field type so that it works during
# reflection
[docs]class DebVersion(sqlalchemy.types.UserDefinedType):
[docs] def get_col_spec(self):
return "DEBVERSION"
[docs] def bind_processor(self, dialect):
return None
[docs] def result_processor(self, dialect, coltype):
return None
from sqlalchemy.databases import postgresql
postgresql.ischema_names['debversion'] = DebVersion
################################################################################
__all__ = ['IntegrityError', 'SQLAlchemyError', 'DebVersion']
################################################################################
[docs]def session_wrapper(fn):
"""
Wrapper around common ".., session=None):" handling. If the wrapped
function is called without passing 'session', we create a local one
and destroy it when the function ends.
Also attaches a commit_or_flush method to the session; if we created a
local session, this is a synonym for session.commit(), otherwise it is a
synonym for session.flush().
"""
@functools.wraps(fn)
def wrapped(*args, **kwargs):
private_transaction = False
# Find the session object
session = kwargs.get('session')
if session is None:
if len(args) < len(inspect.getfullargspec(fn).args):
# No session specified as last argument or in kwargs
private_transaction = True
session = kwargs['session'] = DBConn().session()
else:
# Session is last argument in args
session = args[-1]
if session is None:
args = list(args)
session = args[-1] = DBConn().session()
private_transaction = True
if private_transaction:
session.commit_or_flush = session.commit
else:
session.commit_or_flush = session.flush
try:
return fn(*args, **kwargs)
finally:
if private_transaction:
# We created a session; close it.
session.close()
return wrapped
__all__.append('session_wrapper')
################################################################################
[docs]class ORMObject:
"""
ORMObject is a base class for all ORM classes mapped by SQLalchemy. All
derived classes must implement the properties() method.
"""
[docs] def properties(self) -> list[str]:
'''
This method should be implemented by all derived classes and returns a
list of the important properties. The properties 'created' and
'modified' will be added automatically. A suffix '_count' should be
added to properties that are lists or query objects. The most important
property name should be returned as the first element in the list
because it is used by repr().
'''
return []
[docs] def classname(self) -> str:
'''
Returns the name of the class.
'''
return type(self).__name__
def __repr__(self):
'''
Returns a short string representation of the object using the first
element from the properties() method.
'''
primary_property = self.properties()[0]
value = getattr(self, primary_property)
return '<%s %s>' % (self.classname(), str(value))
def __str__(self):
'''
Returns a human readable form of the object using the properties()
method.
'''
return '<%s(...)>' % (self.classname())
[docs] @classmethod
@session_wrapper
def get(cls, primary_key, session=None):
'''
This is a support function that allows getting an object by its primary
key.
Architecture.get(3[, session])
instead of the more verbose
session.query(Architecture).get(3)
'''
return session.query(cls).get(primary_key)
[docs] def session(self):
'''
Returns the current session that is associated with the object. May
return None is object is in detached state.
'''
return object_session(self)
__all__.append('ORMObject')
################################################################################
[docs]class ACL(ORMObject):
def __repr__(self):
return "<ACL {0}>".format(self.name)
__all__.append('ACL')
[docs]class ACLPerSource(ORMObject):
def __repr__(self):
return "<ACLPerSource acl={0} fingerprint={1} source={2} reason={3}>".format(self.acl.name, self.fingerprint.fingerprint, self.source, self.reason)
__all__.append('ACLPerSource')
[docs]class ACLPerSuite(ORMObject):
def __repr__(self):
return "<ACLPerSuite acl={0} fingerprint={1} suite={2} reason={3}>".format(self.acl.name, self.fingerprint.fingerprint, self.suite.suite_name, self.reason)
__all__.append('ACLPerSuite')
################################################################################
from .database.architecture import Architecture
__all__.append('Architecture')
[docs]@session_wrapper
def get_architecture(architecture: str, session=None) -> Optional[Architecture]:
"""
Returns database id for given `architecture`.
:param architecture: The name of the architecture
:param session: Optional SQLA session object (a temporary one will be
generated if not supplied)
:return: Architecture object for the given arch (None if not present)
"""
q = session.query(Architecture).filter_by(arch_string=architecture)
return q.one_or_none()
__all__.append('get_architecture')
################################################################################
[docs]class Archive:
def __init__(self, *args, **kwargs):
pass
def __repr__(self):
return '<Archive %s>' % self.archive_name
__all__.append('Archive')
[docs]@session_wrapper
def get_archive(archive: str, session=None) -> Optional[Archive]:
"""
returns database id for given `archive`.
:param archive: the name of the arhive
:param session: Optional SQLA session object (a temporary one will be
generated if not supplied)
:return: Archive object for the given name (None if not present)
"""
archive = archive.lower()
q = session.query(Archive).filter_by(archive_name=archive)
return q.one_or_none()
__all__.append('get_archive')
################################################################################
[docs]class ArchiveFile:
def __init__(self, archive=None, component=None, file=None):
self.archive = archive
self.component = component
self.file = file
@property
def path(self):
return os.path.join(self.archive.path, 'pool', self.component.component_name, self.file.filename)
__all__.append('ArchiveFile')
################################################################################
[docs]class BinContents(ORMObject):
def __init__(self, file=None, binary=None):
self.file = file
self.binary = binary
[docs] def properties(self) -> list[str]:
return ['file', 'binary']
__all__.append('BinContents')
################################################################################
[docs]class DBBinary(ORMObject):
def __init__(self, package=None, source=None, version=None,
maintainer=None, architecture=None, poolfile=None,
binarytype='deb', fingerprint=None):
self.package = package
self.source = source
self.version = version
self.maintainer = maintainer
self.architecture = architecture
self.poolfile = poolfile
self.binarytype = binarytype
self.fingerprint = fingerprint
@property
def pkid(self) -> int:
return self.binary_id
@property
def name(self) -> str:
return self.package
@property
def arch_string(self) -> str:
return "%s" % self.architecture
[docs] def properties(self) -> list[str]:
return ['package', 'version', 'maintainer', 'source', 'architecture',
'poolfile', 'binarytype', 'fingerprint', 'install_date',
'suites_count', 'binary_id', 'contents_count', 'extra_sources']
metadata = association_proxy('key', 'value')
[docs] def scan_contents(self) -> Iterable[str]:
'''
Yields the contents of the package. Only regular files are yielded and
the path names are normalized after converting them from either utf-8
or iso8859-1 encoding. It yields the string ' <EMPTY PACKAGE>' if the
package does not contain any regular file.
'''
fullpath = self.poolfile.fullpath
dpkg_cmd = ('dpkg-deb', '--fsys-tarfile', fullpath)
dpkg = subprocess.Popen(dpkg_cmd, stdout=subprocess.PIPE)
tar = TarFile.open(fileobj=dpkg.stdout, mode='r|')
for member in tar.getmembers():
if not member.isdir():
name = normpath(member.name)
yield name
tar.close()
dpkg.stdout.close()
dpkg.wait()
[docs] def read_control(self) -> bytes:
'''
Reads the control information from a binary.
:return: stanza text of the control section.
'''
from . import utils
fullpath = self.poolfile.fullpath
return utils.deb_extract_control(fullpath)
[docs] def read_control_fields(self) -> apt_pkg.TagSection:
'''
Reads the control information from a binary and return
as a dictionary.
:return: fields of the control section as a dictionary.
'''
stanza = self.read_control()
return apt_pkg.TagSection(stanza)
@property
def proxy(self) -> "MetadataProxy":
session = object_session(self)
query = session.query(BinaryMetadata).filter_by(binary=self)
return MetadataProxy(session, query)
__all__.append('DBBinary')
[docs]@session_wrapper
def get_suites_binary_in(package: str, session=None) -> 'list[Suite]':
"""
Returns list of Suite objects which given `package` name is in
:param package: DBBinary package name to search for
:return: list of Suite objects for the given package
"""
return session.query(Suite).filter(Suite.binaries.any(DBBinary.package == package)).all()
__all__.append('get_suites_binary_in')
[docs]@session_wrapper
def get_component_by_package_suite(package: str, suite_list: list[str], arch_list: Optional[str] = None, session=None) -> Optional[str]:
'''
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.
:param package: DBBinary package name to search for
:param suite_list: list of suite_name items
:param arch_list: optional list of arch_string items that defaults to []
:return: name of component or None
'''
q = session.query(DBBinary).filter_by(package=package). \
join(DBBinary.suites).filter(Suite.suite_name.in_(suite_list))
if arch_list:
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.poolfile.component.component_name
__all__.append('get_component_by_package_suite')
################################################################################
[docs]class BuildQueue:
def __init__(self, *args, **kwargs):
pass
def __repr__(self):
return '<BuildQueue %s>' % self.queue_name
__all__.append('BuildQueue')
################################################################################
[docs]class Component(ORMObject):
def __init__(self, component_name=None):
self.component_name = component_name
def __eq__(self, val):
if isinstance(val, str):
warnings.warn("comparison with a `str` is deprecated", DeprecationWarning, stacklevel=2)
return (self.component_name == val)
# This signals to use the normal comparison operator
return NotImplemented
def __ne__(self, val):
if isinstance(val, str):
warnings.warn("comparison with a `str` is deprecated", DeprecationWarning, stacklevel=2)
return (self.component_name != val)
# This signals to use the normal comparison operator
return NotImplemented
__hash__ = ORMObject.__hash__
[docs] def properties(self) -> list[str]:
return ['component_name', 'component_id', 'description',
'meets_dfsg', 'overrides_count']
__all__.append('Component')
[docs]@session_wrapper
def get_component(component: str, session=None) -> Optional[Component]:
"""
Returns database id for given `component`.
:param component: The name of the override type
:return: the database id for the given component
"""
component = component.lower()
q = session.query(Component).filter_by(component_name=component)
return q.one_or_none()
__all__.append('get_component')
[docs]def get_mapped_component_name(component_name):
cnf = Config()
for m in cnf.value_list("ComponentMappings"):
(src, dst) = m.split()
if component_name == src:
component_name = dst
return component_name
__all__.append('get_mapped_component_name')
[docs]@session_wrapper
def get_mapped_component(component_name: str, session=None) -> Optional[Component]:
"""get component after mappings
Evaluate component mappings from ComponentMappings in dak.conf for the
given component name.
.. todo::
ansgar wants to get rid of this. It's currently only used for
the security archive
:param component_name: component name
:param session: database session
:return: component after applying maps or :const:`None`
"""
component_name = get_mapped_component_name(component_name)
component = session.query(Component).filter_by(component_name=component_name).first()
return component
__all__.append('get_mapped_component')
[docs]@session_wrapper
def get_component_names(session=None) -> list[str]:
"""
Returns list of strings of component names.
:return: list of strings of component names
"""
return [x.component_name for x in session.query(Component).all()]
__all__.append('get_component_names')
################################################################################
[docs]class DBConfig:
def __init__(self, *args, **kwargs):
pass
def __repr__(self):
return '<DBConfig %s>' % self.name
__all__.append('DBConfig')
################################################################################
[docs]class DSCFile:
def __init__(self, *args, **kwargs):
pass
def __repr__(self):
return '<DSCFile %s>' % self.dscfile_id
__all__.append('DSCFile')
[docs]@session_wrapper
def get_dscfiles(
dscfile_id: Optional[int] = None,
source_id: Optional[int] = None,
poolfile_id: Optional[int] = None,
session=None
) -> list[DSCFile]:
"""
Returns a list of DSCFiles which may be empty
:param dscfile_id: the dscfile_id of the DSCFiles to find
:param source_id: the source id related to the DSCFiles to find
:param poolfile_id: the poolfile id related to the DSCFiles to find
:return: Possibly empty list of DSCFiles
"""
q = session.query(DSCFile)
if dscfile_id is not None:
q = q.filter_by(dscfile_id=dscfile_id)
if source_id is not None:
q = q.filter_by(source_id=source_id)
if poolfile_id is not None:
q = q.filter_by(poolfile_id=poolfile_id)
return q.all()
__all__.append('get_dscfiles')
################################################################################
[docs]class ExternalOverride(ORMObject):
def __init__(self, *args, **kwargs):
pass
def __repr__(self):
return '<ExternalOverride %s = %s: %s>' % (self.package, self.key, self.value)
__all__.append('ExternalOverride')
################################################################################
[docs]class PoolFile(ORMObject):
def __init__(self, filename=None, filesize=-1,
md5sum=None):
self.filename = filename
self.filesize = filesize
self.md5sum = md5sum
@property
def fullpath(self) -> str:
session = DBConn().session().object_session(self)
af = session.query(ArchiveFile).join(Archive) \
.filter(ArchiveFile.file == self) \
.order_by(Archive.tainted.desc()).first()
return af.path
@property
def component(self) -> Component:
session = DBConn().session().object_session(self)
component_id = session.query(ArchiveFile.component_id).filter(ArchiveFile.file == self) \
.group_by(ArchiveFile.component_id).one()
return session.query(Component).get(component_id)
@property
def basename(self) -> str:
return os.path.basename(self.filename)
[docs] def properties(self) -> list[str]:
return ['filename', 'file_id', 'filesize', 'md5sum', 'sha1sum',
'sha256sum', 'source', 'binary', 'last_used']
__all__.append('PoolFile')
################################################################################
[docs]class Fingerprint(ORMObject):
def __init__(self, fingerprint=None):
self.fingerprint = fingerprint
[docs] def properties(self) -> list[str]:
return ['fingerprint', 'fingerprint_id', 'keyring', 'uid',
'binary_reject']
__all__.append('Fingerprint')
[docs]@session_wrapper
def get_fingerprint(fpr: str, session=None) -> Optional[Fingerprint]:
"""
Returns Fingerprint object for given fpr.
:param fpr: The fpr to find / add
:param session: Optional SQL session object (a temporary one will be
generated if not supplied).
:return: the Fingerprint object for the given fpr or None
"""
q = session.query(Fingerprint).filter_by(fingerprint=fpr)
return q.one_or_none()
__all__.append('get_fingerprint')
[docs]@session_wrapper
def get_or_set_fingerprint(fpr: str, session=None) -> Fingerprint:
"""
Returns Fingerprint object for given fpr.
If no matching fpr is found, a row is inserted.
:param fpr: The fpr to find / add
:param session: Optional SQL session object (a temporary one will be
generated if not supplied). If not passed, a commit will be performed at
the end of the function, otherwise the caller is responsible for commiting.
A flush will be performed either way.
:return: the Fingerprint object for the given fpr
"""
q = session.query(Fingerprint).filter_by(fingerprint=fpr)
try:
ret = q.one()
except NoResultFound:
fingerprint = Fingerprint()
fingerprint.fingerprint = fpr
session.add(fingerprint)
session.commit_or_flush()
ret = fingerprint
return ret
__all__.append('get_or_set_fingerprint')
################################################################################
# Helper routine for Keyring class
def get_ldap_name(entry) -> str:
name = []
for k in ["cn", "mn", "sn"]:
ret = entry.get(k)
if not ret:
continue
value = ret[0].decode()
if value and value[0] != "-":
name.append(value)
return " ".join(name)
################################################################################
[docs]class Keyring:
keys = {}
fpr_lookup: dict[str, str] = {}
def __init__(self, *args, **kwargs):
pass
def __repr__(self):
return '<Keyring %s>' % self.keyring_name
[docs] def de_escape_gpg_str(self, txt: str) -> str:
esclist = re.split(r'(\\x..)', txt)
for x in range(1, len(esclist), 2):
esclist[x] = "%c" % (int(esclist[x][2:], 16))
return "".join(esclist)
[docs] def parse_address(self, uid: str) -> tuple[str, str]:
"""parses uid and returns a tuple of real name and email address"""
import email.utils
(name, address) = email.utils.parseaddr(uid)
name = re.sub(r"\s*[(].*[)]", "", name)
name = self.de_escape_gpg_str(name)
if name == "":
name = uid
return (name, address)
[docs] def load_keys(self, keyring: str) -> None:
if not self.keyring_id:
raise Exception('Must be initialized with database information')
cmd = ["gpg", "--no-default-keyring", "--keyring", keyring,
"--with-colons", "--fingerprint", "--fingerprint"]
p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
key = None
need_fingerprint = False
for line_raw in p.stdout:
try:
line = line_raw.decode()
except UnicodeDecodeError:
# Some old UIDs might not use UTF-8 encoding. We assume they
# use latin1.
line = line_raw.decode('latin1')
field = line.split(":")
if field[0] == "pub":
key = field[4]
self.keys[key] = {}
(name, addr) = self.parse_address(field[9])
if "@" in addr:
self.keys[key]["email"] = addr
self.keys[key]["name"] = name
need_fingerprint = True
elif key and field[0] == "uid":
(name, addr) = self.parse_address(field[9])
if "email" not in self.keys[key] and "@" in addr:
self.keys[key]["email"] = addr
self.keys[key]["name"] = name
elif need_fingerprint and field[0] == "fpr":
self.keys[key]["fingerprints"] = [field[9]]
self.fpr_lookup[field[9]] = key
need_fingerprint = False
(out, err) = p.communicate()
r = p.returncode
if r != 0:
raise daklib.gpg.GpgException("command failed: %s\nstdout: %s\nstderr: %s\n" % (cmd, out, err))
[docs] def import_users_from_ldap(self, session) -> tuple[dict[str, tuple[int, str]], dict[int, tuple[str, str]]]:
from .utils import open_ldap_connection
import ldap # type: ignore
l = open_ldap_connection()
cnf = Config()
LDAPDn = cnf["Import-LDAP-Fingerprints::LDAPDn"]
Attrs = l.search_s(LDAPDn, ldap.SCOPE_ONELEVEL,
"(&(keyfingerprint=*)(supplementaryGid=%s))" % (cnf["Import-Users-From-Passwd::ValidGID"]),
["uid", "keyfingerprint", "cn", "mn", "sn"])
byuid: dict[int, tuple[str, str]] = {}
byname: dict[str, tuple[int, str]] = {}
for i in Attrs:
entry = i[1]
uid = entry["uid"][0].decode()
name = get_ldap_name(entry)
fingerprints = entry["keyFingerPrint"]
keyid = None
for f_raw in fingerprints:
f = f_raw.decode()
key = self.fpr_lookup.get(f, None)
if key not in self.keys:
continue
self.keys[key]["uid"] = uid
if keyid is not None:
continue
keyid = get_or_set_uid(uid, session).uid_id
byuid[keyid] = (uid, name)
byname[uid] = (keyid, name)
return (byname, byuid)
[docs] def generate_users_from_keyring(self, format: str, session) -> tuple[dict[str, tuple[int, str]], dict[int, tuple[str, str]]]:
byuid: dict[int, tuple[str, str]] = {}
byname: dict[str, tuple[int, str]] = {}
any_invalid = False
for x in list(self.keys.keys()):
if "email" not in self.keys[x]:
any_invalid = True
self.keys[x]["uid"] = format % "invalid-uid"
else:
uid = format % self.keys[x]["email"]
keyid = get_or_set_uid(uid, session).uid_id
byuid[keyid] = (uid, self.keys[x]["name"])
byname[uid] = (keyid, self.keys[x]["name"])
self.keys[x]["uid"] = uid
if any_invalid:
uid = format % "invalid-uid"
keyid = get_or_set_uid(uid, session).uid_id
byuid[keyid] = (uid, "ungeneratable user id")
byname[uid] = (keyid, "ungeneratable user id")
return (byname, byuid)
__all__.append('Keyring')
[docs]@session_wrapper
def get_keyring(keyring: str, session=None) -> Optional[Keyring]:
"""
If `keyring` does not have an entry in the `keyrings` table yet, return None
If `keyring` already has an entry, simply return the existing :class:`Keyring`
:param keyring: the keyring name
:return: the :class:`Keyring` object for this keyring
"""
q = session.query(Keyring).filter_by(keyring_name=keyring)
return q.one_or_none()
__all__.append('get_keyring')
[docs]@session_wrapper
def get_active_keyring_paths(session=None) -> list[str]:
"""
:return: list of active keyring paths
"""
return [x.keyring_name for x in session.query(Keyring).filter(Keyring.active == True).order_by(desc(Keyring.priority)).all()] # noqa:E712
__all__.append('get_active_keyring_paths')
################################################################################
[docs]class DBChange:
def __init__(self, *args, **kwargs):
pass
def __repr__(self):
return '<DBChange %s>' % self.changesname
__all__.append('DBChange')
[docs]@session_wrapper
def get_dbchange(filename: str, session=None) -> Optional[DBChange]:
"""
returns DBChange object for given `filename`.
:param filename: the name of the file
:param session: Optional SQLA session object (a temporary one will be
generated if not supplied)
:return: DBChange object for the given filename (:const:`None` if not present)
"""
q = session.query(DBChange).filter_by(changesname=filename)
return q.one_or_none()
__all__.append('get_dbchange')
################################################################################
[docs]class Maintainer(ORMObject):
def __init__(self, name=None):
self.name = name
[docs] def properties(self) -> list[str]:
return ['name', 'maintainer_id']
[docs] def get_split_maintainer(self) -> tuple[str, str, str, str]:
if not hasattr(self, 'name') or self.name is None:
return ('', '', '', '')
return fix_maintainer(self.name.strip())
__all__.append('Maintainer')
[docs]@session_wrapper
def get_or_set_maintainer(name: str, session=None) -> Maintainer:
"""
Returns Maintainer object for given maintainer name.
If no matching maintainer name is found, a row is inserted.
:param name: The maintainer name to add
:param session: Optional SQL session object (a temporary one will be
generated if not supplied). If not passed, a commit will be performed at
the end of the function, otherwise the caller is responsible for commiting.
A flush will be performed either way.
:return: the Maintainer object for the given maintainer
"""
q = session.query(Maintainer).filter_by(name=name)
try:
ret = q.one()
except NoResultFound:
maintainer = Maintainer()
maintainer.name = name
session.add(maintainer)
session.commit_or_flush()
ret = maintainer
return ret
__all__.append('get_or_set_maintainer')
[docs]@session_wrapper
def get_maintainer(maintainer_id: int, session=None) -> Optional[Maintainer]:
"""
Return the name of the maintainer behind `maintainer_id` or :const:`None`
if that `maintainer_id` is invalid.
:param maintainer_id: the id of the maintainer
:return: the Maintainer with this `maintainer_id`
"""
return session.query(Maintainer).get(maintainer_id)
__all__.append('get_maintainer')
################################################################################
__all__.append('NewComment')
__all__.append('has_new_comment')
__all__.append('get_new_comments')
################################################################################
[docs]class Override(ORMObject):
def __init__(self, package=None, suite=None, component=None, overridetype=None,
section=None, priority=None):
self.package = package
self.suite = suite
self.component = component
self.overridetype = overridetype
self.section = section
self.priority = priority
[docs] def properties(self) -> list[str]:
return ['package', 'suite', 'component', 'overridetype', 'section',
'priority']
__all__.append('Override')
[docs]@session_wrapper
def get_override(
package: str,
suite: Union[str, list[str], None] = None,
component: Union[str, list[str], None] = None,
overridetype: Union[str, list[str], None] = None,
session=None
) -> list[Override]:
"""
Returns Override object for the given parameters
:param package: The name of the package
:param suite: The name of the suite (or suites if a list) to limit to. If
None, don't limit. Defaults to None.
:param component: The name of the component (or components if a list) to
limit to. If None, don't limit. Defaults to None.
:param overridetype: The name of the overridetype (or overridetypes if a list) to
limit to. If None, don't limit. Defaults to None.
:param session: Optional SQLA session object (a temporary one will be
generated if not supplied)
:return: A (possibly empty) list of Override objects will be returned
"""
q = session.query(Override)
q = q.filter_by(package=package)
if suite is not None:
if not isinstance(suite, list):
suite = [suite]
q = q.join(Suite).filter(Suite.suite_name.in_(suite))
if component is not None:
if not isinstance(component, list):
component = [component]
q = q.join(Component).filter(Component.component_name.in_(component))
if overridetype is not None:
if not isinstance(overridetype, list):
overridetype = [overridetype]
q = q.join(OverrideType).filter(OverrideType.overridetype.in_(overridetype))
return q.all()
__all__.append('get_override')
################################################################################
[docs]class OverrideType(ORMObject):
def __init__(self, overridetype=None):
self.overridetype = overridetype
[docs] def properties(self) -> list[str]:
return ['overridetype', 'overridetype_id', 'overrides_count']
__all__.append('OverrideType')
[docs]@session_wrapper
def get_override_type(override_type: str, session=None) -> Optional[OverrideType]:
"""
Returns OverrideType object for given `override_type`.
:param override_type: The name of the override type
:param session: Optional SQLA session object (a temporary one will be
generated if not supplied)
:return: the database id for the given override type
"""
q = session.query(OverrideType).filter_by(overridetype=override_type)
return q.one_or_none()
__all__.append('get_override_type')
################################################################################
[docs]class PolicyQueue:
def __init__(self, *args, **kwargs):
pass
def __repr__(self):
return '<PolicyQueue %s>' % self.queue_name
__all__.append('PolicyQueue')
[docs]@session_wrapper
def get_policy_queue(queuename: str, session=None) -> Optional[PolicyQueue]:
"""
Returns PolicyQueue object for given `queuename`
:param queuename: The name of the queue
:param session: Optional SQLA session object (a temporary one will be
generated if not supplied)
:return: PolicyQueue object for the given queue
"""
q = session.query(PolicyQueue).filter_by(queue_name=queuename)
return q.one_or_none()
__all__.append('get_policy_queue')
################################################################################
[docs]@functools.total_ordering
class PolicyQueueUpload:
[docs] def _key(self):
return (
self.changes.source,
AptVersion(self.changes.version),
self.source is None,
self.changes.changesname
)
def __eq__(self, other: object) -> bool:
if not isinstance(other, PolicyQueueUpload):
return NotImplemented
return self._key() == other._key()
def __lt__(self, other):
return self._key() < other._key()
__all__.append('PolicyQueueUpload')
################################################################################
[docs]class PolicyQueueByhandFile:
pass
__all__.append('PolicyQueueByhandFile')
################################################################################
[docs]class Priority(ORMObject):
def __init__(self, priority=None, level=None):
self.priority = priority
self.level = level
[docs] def properties(self) -> list[str]:
return ['priority', 'priority_id', 'level', 'overrides_count']
def __eq__(self, val):
if isinstance(val, str):
warnings.warn("comparison with a `str` is deprecated", DeprecationWarning, stacklevel=2)
return (self.priority == val)
# This signals to use the normal comparison operator
return NotImplemented
def __ne__(self, val):
if isinstance(val, str):
warnings.warn("comparison with a `str` is deprecated", DeprecationWarning, stacklevel=2)
return (self.priority != val)
# This signals to use the normal comparison operator
return NotImplemented
__hash__ = ORMObject.__hash__
__all__.append('Priority')
[docs]@session_wrapper
def get_priority(priority: str, session=None) -> Optional[Priority]:
"""
Returns Priority object for given `priority` name.
:param priority: The name of the priority
:param session: Optional SQLA session object (a temporary one will be
generated if not supplied)
:return: Priority object for the given priority
"""
q = session.query(Priority).filter_by(priority=priority)
return q.one_or_none()
__all__.append('get_priority')
[docs]@session_wrapper
def get_priorities(session=None) -> dict[str, int]:
"""
Returns dictionary of priority names -> id mappings
:param session: Optional SQL session object (a temporary one will be
generated if not supplied)
:return: dictionary of priority names -> id mappings
"""
ret = {}
q = session.query(Priority)
for x in q.all():
ret[x.priority] = x.priority_id
return ret
__all__.append('get_priorities')
################################################################################
from .database.section import Section
__all__.append('Section')
[docs]@session_wrapper
def get_section(section: str, session=None) -> Optional[Section]:
"""
Returns Section object for given `section` name.
:param section: The name of the section
:param session: Optional SQLA session object (a temporary one will be
generated if not supplied)
:return: Section object for the given section name
"""
q = session.query(Section).filter_by(section=section)
return q.one_or_none()
__all__.append('get_section')
[docs]@session_wrapper
def get_sections(session=None) -> dict[str, int]:
"""
Returns dictionary of section names -> id mappings
:param session: Optional SQL session object (a temporary one will be
generated if not supplied)
:return: dictionary of section names -> id mappings
"""
ret = {}
q = session.query(Section)
for x in q.all():
ret[x.section] = x.section_id
return ret
__all__.append('get_sections')
################################################################################
[docs]class SignatureHistory(ORMObject):
[docs] @classmethod
def from_signed_file(cls, signed_file: 'daklib.gpg.SignedFile') -> 'SignatureHistory':
"""signature history entry from signed file
:param signed_file: signed file
"""
self = cls()
self.fingerprint = signed_file.primary_fingerprint
self.signature_timestamp = signed_file.signature_timestamp
self.contents_sha1 = signed_file.contents_sha1
return self
[docs] def query(self, session):
return session.query(SignatureHistory).filter_by(fingerprint=self.fingerprint, signature_timestamp=self.signature_timestamp, contents_sha1=self.contents_sha1).first()
__all__.append('SignatureHistory')
################################################################################
[docs]class SrcContents(ORMObject):
def __init__(self, file=None, source=None):
self.file = file
self.source = source
[docs] def properties(self) -> list[str]:
return ['file', 'source']
__all__.append('SrcContents')
################################################################################
[docs]class DBSource(ORMObject):
def __init__(self, source=None, version=None, maintainer=None,
changedby=None, poolfile=None, install_date=None, fingerprint=None):
self.source = source
self.version = version
self.maintainer = maintainer
self.changedby = changedby
self.poolfile = poolfile
self.install_date = install_date
self.fingerprint = fingerprint
@property
def pkid(self) -> int:
return self.source_id
@property
def name(self) -> str:
return self.source
@property
def arch_string(self) -> str:
return 'source'
[docs] def properties(self) -> list[str]:
return ['source', 'source_id', 'maintainer', 'changedby',
'fingerprint', 'poolfile', 'version', 'suites_count',
'install_date', 'binaries_count', 'uploaders_count']
[docs] def read_control_fields(self) -> Deb822:
'''
Reads the control information from a dsc
:return: fields is the dsc information in a dictionary form
'''
with open(self.poolfile.fullpath, 'r') as fd:
fields = Deb822(fd)
return fields
metadata = association_proxy('key', 'value')
[docs] def scan_contents(self) -> set[str]:
'''
Returns a set of names for non directories. The path names are
normalized after converting them from either utf-8 or iso8859-1
encoding.
'''
fullpath = self.poolfile.fullpath
from daklib.contents import UnpackedSource
unpacked = UnpackedSource(fullpath)
fileset = set()
for name in unpacked.get_all_filenames():
fileset.add(name)
return fileset
@property
def proxy(self) -> "MetadataProxy":
session = object_session(self)
query = session.query(SourceMetadata).filter_by(source=self)
return MetadataProxy(session, query)
__all__.append('DBSource')
[docs]@session_wrapper
def get_suites_source_in(source: str, session=None) -> 'list[Suite]':
"""
Returns list of Suite objects which given `source` name is in
:param source: DBSource package name to search for
:return: list of Suite objects for the given source
"""
return session.query(Suite).filter(Suite.sources.any(source=source)).all()
__all__.append('get_suites_source_in')
# FIXME: This function fails badly if it finds more than 1 source package and
# its implementation is trivial enough to be inlined.
[docs]@session_wrapper
def get_source_in_suite(source: str, suite_name: Optional[str], session=None) -> Optional[DBSource]:
"""
Returns a DBSource object for a combination of `source` and `suite_name`.
:param source: source package name
:param suite_name: the suite name
:return: the version for `source` in `suite`
"""
suite = get_suite(suite_name, session)
if suite is None:
return None
return suite.get_sources(source).one_or_none()
__all__.append('get_source_in_suite')
__all__.append('import_metadata_into_db')
################################################################################
__all__.append('SrcFormat')
################################################################################
SUITE_FIELDS = [('SuiteName', 'suite_name'),
('SuiteID', 'suite_id'),
('Version', 'version'),
('Origin', 'origin'),
('Label', 'label'),
('Description', 'description'),
('Untouchable', 'untouchable'),
('Announce', 'announce'),
('Codename', 'codename'),
('OverrideCodename', 'overridecodename'),
('ValidTime', 'validtime'),
('Priority', 'priority'),
('NotAutomatic', 'notautomatic'),
('CopyChanges', 'copychanges'),
('OverrideSuite', 'overridesuite')]
# Why the heck don't we have any UNIQUE constraints in table suite?
# TODO: Add UNIQUE constraints for appropriate columns.
[docs]class Suite(ORMObject):
def __init__(self, suite_name=None, version=None):
self.suite_name = suite_name
self.version = version
[docs] def properties(self) -> list[str]:
return ['suite_name', 'version', 'sources_count', 'binaries_count',
'overrides_count']
def __eq__(self, val):
if isinstance(val, str):
warnings.warn("comparison with a `str` is deprecated", DeprecationWarning, stacklevel=2)
return (self.suite_name == val)
# This signals to use the normal comparison operator
return NotImplemented
def __ne__(self, val):
if isinstance(val, str):
warnings.warn("comparison with a `str` is deprecated", DeprecationWarning, stacklevel=2)
return (self.suite_name != val)
# This signals to use the normal comparison operator
return NotImplemented
__hash__ = ORMObject.__hash__
[docs] def details(self) -> str:
ret = []
for disp, field in SUITE_FIELDS:
val = getattr(self, field, None)
if val is not None:
ret.append("%s: %s" % (disp, val))
return "\n".join(ret)
[docs] def get_architectures(self, skipsrc: bool = False, skipall: bool = False) -> list[Architecture]:
"""
Returns list of Architecture objects
:param skipsrc: Whether to skip returning the 'source' architecture entry
:param skipall: Whether to skip returning the 'all' architecture entry
:return: list of Architecture objects for the given name (may be empty)
"""
q = object_session(self).query(Architecture).with_parent(self)
if skipsrc:
q = q.filter(Architecture.arch_string != 'source')
if skipall:
q = q.filter(Architecture.arch_string != 'all')
return q.order_by(Architecture.arch_string).all()
[docs] def get_sources(self, source: str) -> sqlalchemy.orm.query.Query:
"""
Returns a query object representing DBSource that is part of this suite.
:param source: source package name
:return: a query of DBSource
"""
session = object_session(self)
return session.query(DBSource).filter_by(source=source). \
with_parent(self)
[docs] def get_overridesuite(self) -> "Suite":
if self.overridesuite is None:
return self
else:
return object_session(self).query(Suite).filter_by(suite_name=self.overridesuite).one()
[docs] def update_last_changed(self) -> None:
self.last_changed = sqlalchemy.func.now()
@property
def path(self) -> str:
return os.path.join(self.archive.path, 'dists', self.suite_name)
@property
def release_suite_output(self) -> str:
if self.release_suite is not None:
return self.release_suite
return self.suite_name
__all__.append('Suite')
[docs]@session_wrapper
def get_suite(suite: str, session=None) -> Optional[Suite]:
"""
Returns Suite object for given `suite` name.
:param suite: The name of the suite
:param session: Optional SQLA session object (a temporary one will be
generated if not supplied)
:return: Suite object for the requested suite name (None if not present)
"""
# Start by looking for the dak internal name
q = session.query(Suite).filter_by(suite_name=suite)
try:
return q.one()
except NoResultFound:
pass
# Now try codename
q = session.query(Suite).filter_by(codename=suite)
try:
return q.one()
except NoResultFound:
pass
# Finally give release_suite a try
q = session.query(Suite).filter_by(release_suite=suite)
return q.one_or_none()
__all__.append('get_suite')
################################################################################
[docs]@session_wrapper
def get_suite_architectures(suite: str, skipsrc: bool = False, skipall: bool = False, session=None) -> list[Architecture]:
"""
Returns list of Architecture objects for given `suite` name. The list is
empty if `suite` does not exist.
:param suite: Suite name to search for
:param skipsrc: Whether to skip returning the 'source' architecture entry
:param skipall: Whether to skip returning the 'all' architecture entry
:param session: Optional SQL session object (a temporary one will be
generated if not supplied)
:return: list of Architecture objects for the given name (may be empty)
"""
try:
return get_suite(suite, session).get_architectures(skipsrc, skipall)
except AttributeError:
return []
__all__.append('get_suite_architectures')
################################################################################
[docs]class Uid(ORMObject):
def __init__(self, uid=None, name=None):
self.uid = uid
self.name = name
def __eq__(self, val):
if isinstance(val, str):
warnings.warn("comparison with a `str` is deprecated", DeprecationWarning, stacklevel=2)
return (self.uid == val)
# This signals to use the normal comparison operator
return NotImplemented
def __ne__(self, val):
if isinstance(val, str):
warnings.warn("comparison with a `str` is deprecated", DeprecationWarning, stacklevel=2)
return (self.uid != val)
# This signals to use the normal comparison operator
return NotImplemented
__hash__ = ORMObject.__hash__
[docs] def properties(self) -> list[str]:
return ['uid', 'name', 'fingerprint']
__all__.append('Uid')
[docs]@session_wrapper
def get_or_set_uid(uidname: str, session=None) -> Uid:
"""
Returns uid object for given uidname.
If no matching uidname is found, a row is inserted.
:param uidname: The uid to add
:param session: Optional SQL session object (a temporary one will be
generated if not supplied). If not passed, a commit will be performed at
the end of the function, otherwise the caller is responsible for commiting.
:return: the uid object for the given uidname
"""
q = session.query(Uid).filter_by(uid=uidname)
try:
ret = q.one()
except NoResultFound:
uid = Uid()
uid.uid = uidname
session.add(uid)
session.commit_or_flush()
ret = uid
return ret
__all__.append('get_or_set_uid')
[docs]@session_wrapper
def get_uid_from_fingerprint(fpr: str, session=None) -> Optional[Uid]:
q = session.query(Uid)
q = q.join(Fingerprint).filter_by(fingerprint=fpr)
return q.one_or_none()
__all__.append('get_uid_from_fingerprint')
################################################################################
__all__.append('MetadataKey')
__all__.append('get_or_set_metadatakey')
################################################################################
__all__.append('BinaryMetadata')
################################################################################
__all__.append('SourceMetadata')
################################################################################
class MetadataProxy:
def __init__(self, session, query):
self.session = session
self.query = query
def _get(self, key):
metadata_key = self.session.query(MetadataKey).filter_by(key=key).first()
if metadata_key is None:
return None
metadata = self.query.filter_by(key=metadata_key).first()
return metadata
def __contains__(self, key: str) -> bool:
if self._get(key) is not None:
return True
return False
def __getitem__(self, key: str) -> str:
metadata = self._get(key)
if metadata is None:
raise KeyError
return metadata.value
def get(self, key: str, default: Optional[str] = None) -> Optional[str]:
try:
return self[key]
except KeyError:
return default
################################################################################
[docs]class VersionCheck(ORMObject):
def __init__(self, *args, **kwargs):
pass
[docs] def properties(self) -> list[str]:
return ['check']
__all__.append('VersionCheck')
[docs]@session_wrapper
def get_version_checks(suite_name: str, check: Optional[str] = None, session=None) -> list[VersionCheck]:
suite = get_suite(suite_name, session)
if not suite:
# Make sure that what we return is iterable so that list comprehensions
# involving this don't cause a traceback
return []
q = session.query(VersionCheck).filter_by(suite=suite)
if check:
q = q.filter_by(check=check)
return q.all()
__all__.append('get_version_checks')
################################################################################
[docs]class DBConn:
"""
database module init.
"""
__shared_state = {}
db_meta = None
tbl_architecture = Architecture.__table__
tables = (
'acl',
'acl_architecture_map',
'acl_fingerprint_map',
'acl_per_source',
'acl_per_suite',
'archive',
'bin_associations',
'bin_contents',
'binaries',
'binaries_metadata',
'build_queue',
'changelogs_text',
'changes',
'component',
'component_suite',
'config',
'dsc_files',
'external_files',
'external_overrides',
'external_signature_requests',
'extra_src_references',
'files',
'files_archive_map',
'fingerprint',
'hashfile',
'keyrings',
'maintainer',
'metadata_keys',
'new_comments',
# TODO: the maintainer column in table override should be removed.
'override',
'override_type',
'policy_queue',
'policy_queue_upload',
'policy_queue_upload_binaries_map',
'policy_queue_byhand_file',
'priority',
'signature_history',
'source',
'source_metadata',
'src_associations',
'src_contents',
'src_format',
'src_uploaders',
'suite',
'suite_acl_map',
'suite_architectures',
'suite_build_queue_copy',
'suite_permission',
'suite_src_formats',
'uid',
'version_check',
)
views = (
'bin_associations_binaries',
'changelogs',
'newest_source',
'newest_src_association',
'package_list',
'source_suite',
'src_associations_src',
)
def __init__(self, *args, **kwargs):
self.__dict__ = self.__shared_state
if not getattr(self, 'initialised', False):
self.initialised = True
self.debug = 'debug' in kwargs
self.__createconn()
def __setuptables(self):
for table_name in self.tables:
table = Table(table_name, self.db_meta,
autoload=True, extend_existing=True)
setattr(self, 'tbl_%s' % table_name, table)
for view_name in self.views:
view = Table(view_name, self.db_meta, autoload=True)
setattr(self, 'view_%s' % view_name, view)
def __setupmappers(self):
mapper(ACL, self.tbl_acl,
properties=dict(
architectures=relation(Architecture, secondary=self.tbl_acl_architecture_map, collection_class=set),
fingerprints=relation(Fingerprint, secondary=self.tbl_acl_fingerprint_map, collection_class=set),
match_keyring=relation(Keyring, primaryjoin=(self.tbl_acl.c.match_keyring_id == self.tbl_keyrings.c.id)),
per_source=relation(ACLPerSource, collection_class=set, back_populates="acl"),
per_suite=relation(ACLPerSuite, collection_class=set, back_populates="acl"),
))
mapper(ACLPerSource, self.tbl_acl_per_source,
properties=dict(
acl=relation(ACL, back_populates="per_source"),
fingerprint=relation(Fingerprint, primaryjoin=(self.tbl_acl_per_source.c.fingerprint_id == self.tbl_fingerprint.c.id)),
created_by=relation(Fingerprint, primaryjoin=(self.tbl_acl_per_source.c.created_by_id == self.tbl_fingerprint.c.id)),
))
mapper(ACLPerSuite, self.tbl_acl_per_suite,
properties=dict(
acl=relation(ACL, back_populates="per_suite"),
fingerprint=relation(Fingerprint, primaryjoin=(self.tbl_acl_per_suite.c.fingerprint_id == self.tbl_fingerprint.c.id)),
suite=relation(Suite, primaryjoin=(self.tbl_acl_per_suite.c.suite_id == self.tbl_suite.c.id)),
created_by=relation(Fingerprint, primaryjoin=(self.tbl_acl_per_suite.c.created_by_id == self.tbl_fingerprint.c.id)),
))
mapper(Archive, self.tbl_archive,
properties=dict(archive_id=self.tbl_archive.c.id,
archive_name=self.tbl_archive.c.name))
mapper(ArchiveFile, self.tbl_files_archive_map,
properties=dict(archive=relation(Archive, backref='files'),
component=relation(Component),
file=relation(PoolFile, backref='archives')))
mapper(BuildQueue, self.tbl_build_queue,
properties=dict(queue_id=self.tbl_build_queue.c.id,
suite=relation(Suite, primaryjoin=(self.tbl_build_queue.c.suite_id == self.tbl_suite.c.id))))
mapper(DBBinary, self.tbl_binaries,
properties=dict(binary_id=self.tbl_binaries.c.id,
package=self.tbl_binaries.c.package,
version=self.tbl_binaries.c.version,
maintainer_id=self.tbl_binaries.c.maintainer,
maintainer=relation(Maintainer),
source_id=self.tbl_binaries.c.source,
source=relation(DBSource, backref='binaries'),
arch_id=self.tbl_binaries.c.architecture,
architecture=relation(Architecture),
poolfile_id=self.tbl_binaries.c.file,
poolfile=relation(PoolFile),
binarytype=self.tbl_binaries.c.type,
fingerprint_id=self.tbl_binaries.c.sig_fpr,
fingerprint=relation(Fingerprint),
install_date=self.tbl_binaries.c.install_date,
suites=relation(Suite, secondary=self.tbl_bin_associations,
backref=backref('binaries', lazy='dynamic')),
extra_sources=relation(DBSource, secondary=self.tbl_extra_src_references,
backref=backref('extra_binary_references', lazy='dynamic')),
key=relation(BinaryMetadata, cascade='all',
collection_class=attribute_mapped_collection('key'), back_populates="binary")),
)
mapper(Component, self.tbl_component,
properties=dict(component_id=self.tbl_component.c.id,
component_name=self.tbl_component.c.name),
)
mapper(DBConfig, self.tbl_config,
properties=dict(config_id=self.tbl_config.c.id))
mapper(DSCFile, self.tbl_dsc_files,
properties=dict(dscfile_id=self.tbl_dsc_files.c.id,
source_id=self.tbl_dsc_files.c.source,
source=relation(DBSource, back_populates="srcfiles"),
poolfile_id=self.tbl_dsc_files.c.file,
poolfile=relation(PoolFile)))
mapper(ExternalOverride, self.tbl_external_overrides,
properties=dict(
suite_id=self.tbl_external_overrides.c.suite,
suite=relation(Suite),
component_id=self.tbl_external_overrides.c.component,
component=relation(Component)))
mapper(PoolFile, self.tbl_files,
properties=dict(file_id=self.tbl_files.c.id,
filesize=self.tbl_files.c.size),
)
mapper(Fingerprint, self.tbl_fingerprint,
properties=dict(fingerprint_id=self.tbl_fingerprint.c.id,
uid_id=self.tbl_fingerprint.c.uid,
uid=relation(Uid, back_populates="fingerprint"),
keyring_id=self.tbl_fingerprint.c.keyring,
keyring=relation(Keyring),
acl=relation(ACL)),
)
mapper(Keyring, self.tbl_keyrings,
properties=dict(keyring_name=self.tbl_keyrings.c.name,
keyring_id=self.tbl_keyrings.c.id,
acl=relation(ACL, primaryjoin=(self.tbl_keyrings.c.acl_id == self.tbl_acl.c.id)))),
mapper(DBChange, self.tbl_changes,
properties=dict(change_id=self.tbl_changes.c.id,
seen=self.tbl_changes.c.seen,
source=self.tbl_changes.c.source,
binaries=self.tbl_changes.c.binaries,
architecture=self.tbl_changes.c.architecture,
distribution=self.tbl_changes.c.distribution,
urgency=self.tbl_changes.c.urgency,
maintainer=self.tbl_changes.c.maintainer,
changedby=self.tbl_changes.c.changedby,
date=self.tbl_changes.c.date,
version=self.tbl_changes.c.version))
mapper(Maintainer, self.tbl_maintainer,
properties=dict(maintainer_id=self.tbl_maintainer.c.id,
maintains_sources=relation(DBSource, backref='maintainer',
primaryjoin=(self.tbl_maintainer.c.id == self.tbl_source.c.maintainer)),
changed_sources=relation(DBSource, backref='changedby',
primaryjoin=(self.tbl_maintainer.c.id == self.tbl_source.c.changedby))),
)
mapper(NewComment, self.tbl_new_comments,
properties=dict(comment_id=self.tbl_new_comments.c.id,
policy_queue=relation(PolicyQueue)))
mapper(Override, self.tbl_override,
properties=dict(suite_id=self.tbl_override.c.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,
backref=backref('overrides', lazy='dynamic')),
priority_id=self.tbl_override.c.priority,
priority=relation(Priority,
backref=backref('overrides', lazy='dynamic')),
section_id=self.tbl_override.c.section,
section=relation(Section,
backref=backref('overrides', lazy='dynamic')),
overridetype_id=self.tbl_override.c.type,
overridetype=relation(OverrideType,
backref=backref('overrides', lazy='dynamic'))))
mapper(OverrideType, self.tbl_override_type,
properties=dict(overridetype=self.tbl_override_type.c.type,
overridetype_id=self.tbl_override_type.c.id))
mapper(PolicyQueue, self.tbl_policy_queue,
properties=dict(policy_queue_id=self.tbl_policy_queue.c.id,
suite=relation(Suite, primaryjoin=(self.tbl_policy_queue.c.suite_id == self.tbl_suite.c.id))))
mapper(PolicyQueueUpload, self.tbl_policy_queue_upload,
properties=dict(
changes=relation(DBChange),
policy_queue=relation(PolicyQueue, backref='uploads'),
target_suite=relation(Suite),
source=relation(DBSource),
binaries=relation(DBBinary, secondary=self.tbl_policy_queue_upload_binaries_map),
))
mapper(PolicyQueueByhandFile, self.tbl_policy_queue_byhand_file,
properties=dict(
upload=relation(PolicyQueueUpload, backref='byhand'),
))
mapper(Priority, self.tbl_priority,
properties=dict(priority_id=self.tbl_priority.c.id))
mapper(SignatureHistory, self.tbl_signature_history)
mapper(DBSource, self.tbl_source,
properties=dict(source_id=self.tbl_source.c.id,
version=self.tbl_source.c.version,
maintainer_id=self.tbl_source.c.maintainer,
poolfile_id=self.tbl_source.c.file,
poolfile=relation(PoolFile),
fingerprint_id=self.tbl_source.c.sig_fpr,
fingerprint=relation(Fingerprint),
changedby_id=self.tbl_source.c.changedby,
srcfiles=relation(DSCFile,
primaryjoin=(self.tbl_source.c.id == self.tbl_dsc_files.c.source),
back_populates="source"),
suites=relation(Suite, secondary=self.tbl_src_associations,
backref=backref('sources', lazy='dynamic')),
uploaders=relation(Maintainer,
secondary=self.tbl_src_uploaders),
key=relation(SourceMetadata, cascade='all',
collection_class=attribute_mapped_collection('key'), back_populates="source")),
)
mapper(SrcFormat, self.tbl_src_format,
properties=dict(src_format_id=self.tbl_src_format.c.id,
format_name=self.tbl_src_format.c.format_name))
mapper(Suite, self.tbl_suite,
properties=dict(suite_id=self.tbl_suite.c.id,
policy_queue=relation(PolicyQueue, primaryjoin=(self.tbl_suite.c.policy_queue_id == self.tbl_policy_queue.c.id)),
new_queue=relation(PolicyQueue, primaryjoin=(self.tbl_suite.c.new_queue_id == self.tbl_policy_queue.c.id)),
debug_suite=relation(Suite, remote_side=[self.tbl_suite.c.id]),
copy_queues=relation(BuildQueue,
secondary=self.tbl_suite_build_queue_copy),
srcformats=relation(SrcFormat, secondary=self.tbl_suite_src_formats,
backref=backref('suites', lazy='dynamic')),
archive=relation(Archive, backref='suites'),
acls=relation(ACL, secondary=self.tbl_suite_acl_map, collection_class=set),
components=relation(Component, secondary=self.tbl_component_suite,
order_by=self.tbl_component.c.ordering,
backref=backref('suites')),
architectures=relation(Architecture, secondary=self.tbl_suite_architectures,
backref=backref('suites'))),
)
mapper(Uid, self.tbl_uid,
properties=dict(uid_id=self.tbl_uid.c.id,
fingerprint=relation(Fingerprint, back_populates="uid")),
)
mapper(BinContents, self.tbl_bin_contents,
properties=dict(
binary=relation(DBBinary,
backref=backref('contents', lazy='dynamic', cascade='all')),
file=self.tbl_bin_contents.c.file))
mapper(SrcContents, self.tbl_src_contents,
properties=dict(
source=relation(DBSource,
backref=backref('contents', lazy='dynamic', cascade='all')),
file=self.tbl_src_contents.c.file))
mapper(MetadataKey, self.tbl_metadata_keys,
properties=dict(
key_id=self.tbl_metadata_keys.c.key_id,
key=self.tbl_metadata_keys.c.key))
mapper(BinaryMetadata, self.tbl_binaries_metadata,
properties=dict(
binary_id=self.tbl_binaries_metadata.c.bin_id,
binary=relation(DBBinary, back_populates="key"),
key_id=self.tbl_binaries_metadata.c.key_id,
key=relation(MetadataKey),
value=self.tbl_binaries_metadata.c.value))
mapper(SourceMetadata, self.tbl_source_metadata,
properties=dict(
source_id=self.tbl_source_metadata.c.src_id,
source=relation(DBSource, back_populates="key"),
key_id=self.tbl_source_metadata.c.key_id,
key=relation(MetadataKey),
value=self.tbl_source_metadata.c.value))
mapper(VersionCheck, self.tbl_version_check,
properties=dict(
suite_id=self.tbl_version_check.c.suite,
suite=relation(Suite, primaryjoin=self.tbl_version_check.c.suite == self.tbl_suite.c.id),
reference_id=self.tbl_version_check.c.reference,
reference=relation(Suite, primaryjoin=self.tbl_version_check.c.reference == self.tbl_suite.c.id, lazy='joined')))
## Connection functions
def __createconn(self):
from .config import Config
cnf = Config()
if "DB::Service" in cnf:
connstr = "postgresql://service=%s" % cnf["DB::Service"]
elif "DB::Host" in cnf:
# TCP/IP
connstr = "postgresql://%s" % cnf["DB::Host"]
if "DB::Port" in cnf and cnf["DB::Port"] != "-1":
connstr += ":%s" % cnf["DB::Port"]
connstr += "/%s" % cnf["DB::Name"]
else:
# Unix Socket
connstr = "postgresql:///%s" % cnf["DB::Name"]
if "DB::Port" in cnf and cnf["DB::Port"] != "-1":
connstr += "?port=%s" % cnf["DB::Port"]
engine_args = {'echo': self.debug}
if 'DB::PoolSize' in cnf:
engine_args['pool_size'] = int(cnf['DB::PoolSize'])
if 'DB::MaxOverflow' in cnf:
engine_args['max_overflow'] = int(cnf['DB::MaxOverflow'])
# we don't support non-utf-8 connections
engine_args['client_encoding'] = 'utf-8'
# Monkey patch a new dialect in in order to support service= syntax
import sqlalchemy.dialects.postgresql
from sqlalchemy.dialects.postgresql.psycopg2 import PGDialect_psycopg2
class PGDialect_psycopg2_dak(PGDialect_psycopg2):
def create_connect_args(self, url):
if str(url).startswith('postgresql://service='):
# Eww
servicename = str(url)[21:]
return (['service=%s' % servicename], {})
else:
return PGDialect_psycopg2.create_connect_args(self, url)
sqlalchemy.dialects.postgresql.base.dialect = PGDialect_psycopg2_dak
try:
self.db_pg = create_engine(connstr, **engine_args)
self.db_smaker = sessionmaker(bind=self.db_pg,
autoflush=True,
autocommit=False)
if self.db_meta is None:
self.__class__.db_meta = Base.metadata
self.__class__.db_meta.bind = self.db_pg
self.__setuptables()
self.__setupmappers()
except OperationalError as e:
from . import utils
utils.fubar("Cannot connect to database (%s)" % str(e))
self.pid = os.getpid()
[docs] def session(self, work_mem=0):
'''
Returns a new session object. If a work_mem parameter is provided a new
transaction is started and the work_mem parameter is set for this
transaction. The work_mem parameter is measured in MB. A default value
will be used if the parameter is not set.
'''
# reinitialize DBConn in new processes
if self.pid != os.getpid():
self.__createconn()
session = self.db_smaker()
if work_mem > 0:
session.execute("SET LOCAL work_mem TO '%d MB'" % work_mem)
return session
__all__.append('DBConn')