本文整理汇总了Python中sqlalchemy.orm.exc.MultipleResultsFound方法的典型用法代码示例。如果您正苦于以下问题:Python exc.MultipleResultsFound方法的具体用法?Python exc.MultipleResultsFound怎么用?Python exc.MultipleResultsFound使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类sqlalchemy.orm.exc
的用法示例。
在下文中一共展示了exc.MultipleResultsFound方法的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: get_record
# 需要导入模块: from sqlalchemy.orm import exc [as 别名]
# 或者: from sqlalchemy.orm.exc import MultipleResultsFound [as 别名]
def get_record(self, sequence_id: UUID, position: int) -> Any:
"""
Gets record at position in sequence.
"""
try:
filter_args = {self.field_names.sequence_id: sequence_id}
query = self.filter_by(**filter_args)
query = self.filter_for_application_name(query)
position_field = getattr(self.record_class, self.field_names.position)
query = query.filter(position_field == position)
return query.one()
except (NoResultFound, MultipleResultsFound):
raise IndexError(self.application_name, sequence_id, position)
示例2: has_tracking_record
# 需要导入模块: from sqlalchemy.orm import exc [as 别名]
# 或者: from sqlalchemy.orm.exc import MultipleResultsFound [as 别名]
def has_tracking_record(
self, upstream_application_name: str, pipeline_id: int, notification_id: int
) -> bool:
query = self.session.query(self.tracking_record_class)
application_name_field = (
self.tracking_record_class.application_name # type: ignore
)
upstream_name_field = (
self.tracking_record_class.upstream_application_name # type: ignore
)
pipeline_id_field = self.tracking_record_class.pipeline_id # type: ignore
notification_id_field = (
self.tracking_record_class.notification_id # type: ignore
)
query = query.filter(application_name_field == self.application_name)
query = query.filter(upstream_name_field == upstream_application_name)
query = query.filter(pipeline_id_field == pipeline_id)
query = query.filter(notification_id_field == notification_id)
try:
query.one()
except (MultipleResultsFound, NoResultFound):
return False
else:
return True
示例3: from_schedule
# 需要导入模块: from sqlalchemy.orm import exc [as 别名]
# 或者: from sqlalchemy.orm.exc import MultipleResultsFound [as 别名]
def from_schedule(cls, dbsession, schedule):
spec = {'minute': schedule._orig_minute,
'hour': schedule._orig_hour,
'day_of_week': schedule._orig_day_of_week,
'day_of_month': schedule._orig_day_of_month,
'month_of_year': schedule._orig_month_of_year}
try:
query = dbsession.query(CrontabSchedule)
query = query.filter_by(**spec)
existing = query.one()
return existing
except NoResultFound:
return cls(**spec)
except MultipleResultsFound:
query = dbsession.query(CrontabSchedule)
query = query.filter_by(**spec)
query.delete()
dbsession.commit()
return cls(**spec)
示例4: connections_delete
# 需要导入模块: from sqlalchemy.orm import exc [as 别名]
# 或者: from sqlalchemy.orm.exc import MultipleResultsFound [as 别名]
def connections_delete(args):
"""Deletes connection from DB"""
with create_session() as session:
try:
to_delete = (session
.query(Connection)
.filter(Connection.conn_id == args.conn_id)
.one())
except exc.NoResultFound:
msg = '\n\tDid not find a connection with `conn_id`={conn_id}\n'
msg = msg.format(conn_id=args.conn_id)
print(msg)
return
except exc.MultipleResultsFound:
msg = ('\n\tFound more than one connection with ' +
'`conn_id`={conn_id}\n')
msg = msg.format(conn_id=args.conn_id)
print(msg)
return
else:
deleted_conn_id = to_delete.conn_id
session.delete(to_delete)
msg = '\n\tSuccessfully deleted `conn_id`={conn_id}\n'
msg = msg.format(conn_id=deleted_conn_id)
print(msg)
示例5: get_ori_identifier
# 需要导入模块: from sqlalchemy.orm import exc [as 别名]
# 或者: from sqlalchemy.orm.exc import MultipleResultsFound [as 别名]
def get_ori_identifier(self, iri):
"""
Retrieves a Resource-based ORI identifier from the database. If no corresponding Resource exists,
a new one is created.
"""
session = self.Session()
try:
resource = session.query(Resource).join(Source).filter(Source.iri == iri).first()
if not resource:
raise NoResultFound
return Uri(Ori, resource.ori_id)
except MultipleResultsFound:
raise MultipleResultsFound('Multiple resources found for IRI %s' % iri)
except NoResultFound:
return self.generate_ori_identifier(iri=iri)
finally:
session.close()
示例6: ca_trust_payload_from_configuration
# 需要导入模块: from sqlalchemy.orm import exc [as 别名]
# 或者: from sqlalchemy.orm.exc import MultipleResultsFound [as 别名]
def ca_trust_payload_from_configuration() -> PEMCertificatePayload:
"""Create a CA payload with the PEM representation of the Certificate Authority used by this instance.
You need to check whether the app config contains 'CA_CERTIFICATE' before invoking this.
"""
try:
org = db.session.query(Organization).one()
except NoResultFound:
abort(500, 'No organization is configured, cannot generate enrollment profile.')
except MultipleResultsFound:
abort(500, 'Multiple organizations, backup your database and start again')
with open(current_app.config['CA_CERTIFICATE'], 'rb') as fd:
pem_data = fd.read()
pem_payload = PEMCertificatePayload(
uuid=uuid4(),
identifier=org.payload_prefix + '.ca',
payload_content=pem_data,
display_name='Certificate Authority',
description='Required for your device to trust the server',
type='com.apple.security.root',
version=1
)
return pem_payload
示例7: ssl_trust_payload_from_configuration
# 需要导入模块: from sqlalchemy.orm import exc [as 别名]
# 或者: from sqlalchemy.orm.exc import MultipleResultsFound [as 别名]
def ssl_trust_payload_from_configuration() -> PEMCertificatePayload:
"""Generate a PEM certificate payload in order to trust this host.
"""
try:
org = db.session.query(Organization).one()
except NoResultFound:
abort(500, 'No organization is configured, cannot generate enrollment profile.')
except MultipleResultsFound:
abort(500, 'Multiple organizations, backup your database and start again')
basepath = os.path.dirname(__file__)
certpath = os.path.join(basepath, current_app.config['SSL_CERTIFICATE'])
with open(certpath, 'rb') as fd:
pem_payload = PEMCertificatePayload(
uuid=uuid4(),
identifier=org.payload_prefix + '.ssl',
payload_content=fd.read(),
display_name='Web Server Certificate',
description='Required for your device to trust the server',
type='com.apple.security.pkcs1',
version=1
)
return pem_payload
示例8: get_or_create
# 需要导入模块: from sqlalchemy.orm import exc [as 别名]
# 或者: from sqlalchemy.orm.exc import MultipleResultsFound [as 别名]
def get_or_create(cls, channel, location):
try:
cls.validate(channel, location)
except ValidationError as err:
raise ValueError("invalid value {}: {}".format(location, err))
try:
r = DB.session.query(cls) \
.filter(and_(cls.channel == channel,
cls.location == location)) \
.one()
except (MultipleResultsFound, NoResultFound,):
r = cls(channel=channel, location=location)
DB.session.add(r)
DB.session.flush()
return r
示例9: __init__
# 需要导入模块: from sqlalchemy.orm import exc [as 别名]
# 或者: from sqlalchemy.orm.exc import MultipleResultsFound [as 别名]
def __init__(self, problem, database = "featurehub"):
self.__database = database
self.__orm = ORMManager(database)
self.__username = None
with self.__orm.session_scope() as session:
try:
problem = session.query(Problem)\
.filter(Problem.name == problem)\
.one()
self.__problem_id = problem.id
except NoResultFound:
raise ValueError("Invalid problem name: {}".format(problem))
except MultipleResultsFound:
raise ValueError("Unexpected issue talking to database. " +
TRY_AGAIN_LATER)
# "log in" to the system
self._login()
# initialize evaluation client
self.__evaluation_client = EvaluatorClient(self.__problem_id,
self.__username, self.__orm)
示例10: _login
# 需要导入模块: from sqlalchemy.orm import exc [as 别名]
# 或者: from sqlalchemy.orm.exc import MultipleResultsFound [as 别名]
def _login(self):
name = os.environ.get("USER")
if not name:
raise ValueError("Missing environment variable 'USER'. FeatureHub"
" session not initialized.")
with self.__orm.session_scope() as session:
try:
user = session.query(User)\
.filter(User.name == name)\
.one()
self.__username = user.name
except NoResultFound:
data = { "database" : self.__orm.database }
response = Session._eval_server_post("create-user", data)
if response.ok:
self.__username = name
else:
raise ValueError("Couldn't log in to FeatureHub. " \
+ TRY_AGAIN_LATER)
except MultipleResultsFound as e:
raise ValueError("Unexpected error logging in to FeatureHub. " \
+ TRY_AGAIN_LATER)
示例11: _get_project
# 需要导入模块: from sqlalchemy.orm import exc [as 别名]
# 或者: from sqlalchemy.orm.exc import MultipleResultsFound [as 别名]
def _get_project(session, project):
"""Helper method to return Project class for a project with the given name.
Args:
session: SQLAlchemy ORM Session object
project: Name of the project (e.g. 'build-tools')
Returns:
the corresponding python Project object
Exceptions:
HTTP 404: Project could not be found
HTTP 500: Multiple projects with same name found
"""
try:
return Project.query.filter_by(name=project).one()
except MultipleResultsFound:
abort(500, "Multiple projects with name %s found in database" %
project)
except NoResultFound:
abort(404, "Could not find project %s in database" % project)
示例12: get_rev
# 需要导入模块: from sqlalchemy.orm import exc [as 别名]
# 或者: from sqlalchemy.orm.exc import MultipleResultsFound [as 别名]
def get_rev(projects, vcs_type, commit):
# (documentation in relengapi/docs/usage/mapper.rst)
_check_well_formed_sha(vcs_type, commit, exact_length=None) # can raise http 400
q = Hash.query.join(Project).filter(_project_filter(projects))
if vcs_type == "git":
q = q.filter(sa.text("git_commit like :cspatttern")).params(
cspatttern=commit + "%")
elif vcs_type == "hg":
q = q.filter(sa.text("hg_changeset like :cspatttern")).params(
cspatttern=commit + "%")
try:
row = q.one()
return "%s %s" % (row.git_commit, row.hg_changeset)
except NoResultFound:
if vcs_type == "git":
abort(404, "No hg changeset found for git commit id %s in project(s) %s"
% (commit, projects))
elif vcs_type == "hg":
abort(404, "No git commit found for hg changeset %s in project(s) %s"
% (commit, projects))
except MultipleResultsFound:
abort(500, "Internal error - multiple results returned for %s commit %s"
"in project %s - this should not be possible in database"
% (vcs_type, commit, projects))
示例13: insert_one
# 需要导入模块: from sqlalchemy.orm import exc [as 别名]
# 或者: from sqlalchemy.orm.exc import MultipleResultsFound [as 别名]
def insert_one(project, git_commit, hg_changeset):
# (documentation in relengapi/docs/usage/mapper.rst)
session = g.db.session(DB_DECLARATIVE_BASE)
proj = _get_project(session, project) # can raise HTTP 404 or HTTP 500
_add_hash(session, git_commit, hg_changeset, proj) # can raise HTTP 400
try:
session.commit()
q = Hash.query.join(Project).filter(_project_filter(project))
q = q.filter(sa.text("git_commit == :commit")).params(commit=git_commit)
return q.one().as_json()
except sa.exc.IntegrityError:
abort(409, "Provided mapping %s %s for project %s already exists and "
"cannot be reinserted" % (git_commit, hg_changeset, project))
except NoResultFound:
abort(500, "Provided mapping %s %s for project %s could not be inserted "
"into the database" % (git_commit, hg_changeset, project))
except MultipleResultsFound:
abort(500, "Provided mapping %s %s for project %s has been inserted into "
"the database multiple times" % (git_commit, hg_changeset, project))
示例14: retrieve_worker_results
# 需要导入模块: from sqlalchemy.orm import exc [as 别名]
# 或者: from sqlalchemy.orm.exc import MultipleResultsFound [as 别名]
def retrieve_worker_results(rdb, external_request_id):
"""Retrieve results for all workers from RDB."""
start = datetime.datetime.now()
try:
query = rdb.session.query(WorkerResult) \
.filter(WorkerResult.external_request_id == external_request_id)
results = query.all()
except (NoResultFound, MultipleResultsFound):
return None
except SQLAlchemyError:
rdb.session.rollback()
raise
# compute elapsed time
elapsed_seconds = (datetime.datetime.now() - start).total_seconds()
msg = "It took {t} seconds to retrieve " \
"all worker results for {r}.".format(t=elapsed_seconds, r=external_request_id)
current_app.logger.debug(msg)
return results
示例15: retrieve_worker_result
# 需要导入模块: from sqlalchemy.orm import exc [as 别名]
# 或者: from sqlalchemy.orm.exc import MultipleResultsFound [as 别名]
def retrieve_worker_result(rdb, external_request_id, worker):
"""Retrieve results for selected worker from RDB."""
start = datetime.datetime.now()
try:
query = rdb.session.query(WorkerResult) \
.filter(WorkerResult.external_request_id == external_request_id,
WorkerResult.worker == worker)
result = query.one()
except (NoResultFound, MultipleResultsFound):
return None
except SQLAlchemyError:
rdb.session.rollback()
raise
result_dict = result.to_dict()
# compute elapsed time
elapsed_seconds = (datetime.datetime.now() - start).total_seconds()
msg = "It took {t} seconds to retrieve {w} " \
"worker results for {r}.".format(t=elapsed_seconds, w=worker, r=external_request_id)
current_app.logger.debug(msg)
return result_dict