本文整理汇总了Python中sqlalchemy.orm.configure_mappers函数的典型用法代码示例。如果您正苦于以下问题：Python configure_mappers函数的具体用法？Python configure_mappers怎么用？Python configure_mappers使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了configure_mappers函数的20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，您的评价将有助于我们的系统推荐出更棒的Python代码示例。
示例1: test_uses_get_on_class_col_fk
def test_uses_get_on_class_col_fk(self):
# test [ticket:1492]
class Master(Base):
__tablename__ = "master"
id = Column(Integer, primary_key=True, test_needs_autoincrement=True)
class Detail(Base):
__tablename__ = "detail"
id = Column(Integer, primary_key=True, test_needs_autoincrement=True)
master_id = Column(None, ForeignKey(Master.id))
master = relationship(Master)
Base.metadata.create_all()
configure_mappers()
assert class_mapper(Detail).get_property("master").strategy.use_get
m1 = Master()
d1 = Detail(master=m1)
sess = create_session()
sess.add(d1)
sess.flush()
sess.expunge_all()
d1 = sess.query(Detail).first()
m1 = sess.query(Master).first()
def go():
assert d1.master
self.assert_sql_count(testing.db, go, 0)
开发者ID:hunterfu，项目名称:LuoYunCloud，代码行数:32，代码来源:test_basic.py
示例2: test_string_dependency_resolution_tables
def test_string_dependency_resolution_tables(self):
class User(Base, fixtures.ComparableEntity):
__tablename__ = "users"
id = Column(Integer, primary_key=True)
name = Column(String(50))
props = relationship(
"Prop",
secondary="user_to_prop",
primaryjoin="User.id==user_to_prop.c.u" "ser_id",
secondaryjoin="user_to_prop.c.prop_id=" "=Prop.id",
backref="users",
)
class Prop(Base, fixtures.ComparableEntity):
__tablename__ = "props"
id = Column(Integer, primary_key=True)
name = Column(String(50))
user_to_prop = Table(
"user_to_prop",
Base.metadata,
Column("user_id", Integer, ForeignKey("users.id")),
Column("prop_id", Integer, ForeignKey("props.id")),
)
configure_mappers()
assert class_mapper(User).get_property("props").secondary is user_to_prop
开发者ID:hunterfu，项目名称:LuoYunCloud，代码行数:28，代码来源:test_basic.py
示例3: test_mapper_args_declared_attr_two
def test_mapper_args_declared_attr_two(self):
# same as test_mapper_args_declared_attr, but we repeat
# ComputedMapperArgs on both classes for no apparent reason.
class ComputedMapperArgs:
@declared_attr
def __mapper_args__(cls):
if cls.__name__ == 'Person':
return {'polymorphic_on': cls.discriminator}
else:
return {'polymorphic_identity': cls.__name__}
class Person(Base, ComputedMapperArgs):
__tablename__ = 'people'
id = Column(Integer, primary_key=True)
discriminator = Column('type', String(50))
class Engineer(Person, ComputedMapperArgs):
pass
configure_mappers()
assert class_mapper(Person).polymorphic_on \
is Person.__table__.c.type
eq_(class_mapper(Engineer).polymorphic_identity, 'Engineer')
开发者ID:Julian，项目名称:sqlalchemy，代码行数:26，代码来源:test_mixin.py
示例4: initialize_db
def initialize_db(cls, drop=False, create=True):
configure_mappers()
cls.BaseClass.metadata.bind = cls.engine
if drop:
cls.BaseClass.metadata.drop_all(cls.engine, checkfirst=True)
if create:
cls.BaseClass.metadata.create_all(cls.engine, checkfirst=True)
开发者ID:magfest，项目名称:sideboard，代码行数:7，代码来源:__init__.py
示例5: test_doc
def test_doc(self):
"""test documentation transfer.
the documentation situation with @declared_attr is problematic.
at least see if mapped subclasses get the doc.
"""
class MyMixin(object):
@declared_attr
def type_(cls):
"""this is a document."""
return Column(String(50))
@declared_attr
def t2(cls):
"""this is another document."""
return column_property(Column(String(50)))
class MyModel(Base, MyMixin):
__tablename__ = 'test'
id = Column(Integer, primary_key=True)
configure_mappers()
eq_(MyModel.type_.__doc__, """this is a document.""")
eq_(MyModel.t2.__doc__, """this is another document.""")
开发者ID:Julian，项目名称:sqlalchemy，代码行数:30，代码来源:test_mixin.py
示例6: get_photos_with_taxa
def get_photos_with_taxa(session, metadata):
"""Return photos with genus, section, and species class.
This generator returns 4-tuples ``(photo, genus, section, species)``.
"""
Base = automap_base(metadata=metadata)
Base.prepare()
configure_mappers()
Photo = Base.classes.photos
Taxon = Base.classes.taxa
Rank = Base.classes.ranks
stmt_genus = session.query(Photo.id, Taxon.name.label('genus')).\
join(Photo.taxa_collection, Taxon.ranks).\
filter(Rank.name == 'genus').subquery()
stmt_section = session.query(Photo.id, Taxon.name.label('section')).\
join(Photo.taxa_collection, Taxon.ranks).\
filter(Rank.name == 'section').subquery()
stmt_species = session.query(Photo.id, Taxon.name.label('species')).\
join(Photo.taxa_collection, Taxon.ranks).\
filter(Rank.name == 'species').subquery()
q = session.query(Photo, 'genus', 'section', 'species').\
join(stmt_genus, stmt_genus.c.id == Photo.id).\
outerjoin(stmt_section, stmt_section.c.id == Photo.id).\
join(stmt_species, stmt_species.c.id == Photo.id)
return q
开发者ID:xieyanfu，项目名称:nbclassify，代码行数:31，代码来源:db.py
示例7: define_tables
def define_tables(cls, metadata):
global User, Address
Base = decl.declarative_base(metadata=metadata)
class User(Base, fixtures.ComparableEntity):
__tablename__ = "users"
id = Column(Integer, primary_key=True, test_needs_autoincrement=True)
name = Column(String(50))
class Address(Base, fixtures.ComparableEntity):
__tablename__ = "addresses"
id = Column(Integer, primary_key=True, test_needs_autoincrement=True)
email = Column(String(50))
user_id = Column(Integer, ForeignKey("users.id"))
if inline:
if stringbased:
user = relationship("User", primaryjoin="User.id==Address.user_id", backref="addresses")
else:
user = relationship(User, primaryjoin=User.id == user_id, backref="addresses")
if not inline:
configure_mappers()
if stringbased:
Address.user = relationship("User", primaryjoin="User.id==Address.user_id", backref="addresses")
else:
Address.user = relationship(User, primaryjoin=User.id == Address.user_id, backref="addresses")
开发者ID:hunterfu，项目名称:LuoYunCloud，代码行数:28，代码来源:test_basic.py
示例8: test_has_inherited_table_in_mapper_args
def test_has_inherited_table_in_mapper_args(self):
class Test(Base):
__tablename__ = 'test'
id = Column(Integer, primary_key=True)
type = Column(String(20))
@declared_attr
def __mapper_args__(cls):
if not has_inherited_table(cls):
ret = {
'polymorphic_identity': 'default',
'polymorphic_on': cls.type,
}
else:
ret = {'polymorphic_identity': cls.__name__}
return ret
class PolyTest(Test):
__tablename__ = 'poly_test'
id = Column(Integer, ForeignKey(Test.id), primary_key=True)
configure_mappers()
assert Test.__mapper__.polymorphic_on is Test.__table__.c.type
assert PolyTest.__mapper__.polymorphic_on is Test.__table__.c.type
开发者ID:23andMe，项目名称:sqlalchemy，代码行数:25，代码来源:test_inheritance.py
示例9: setUp
def setUp(self):
super(MySqlBaseFunctionalTest, self).setUp()
self.context = context.Context('fake', 'fake', is_admin=False)
configure_mappers()
engine = neutron_db_api.get_engine()
models.BASEV2.metadata.create_all(engine)
quota_driver.Quota.metadata.create_all(engine)
开发者ID:Anonymike，项目名称:quark，代码行数:7，代码来源:base.py
示例10: setup_model
def setup_model():
from sqlalchemy.orm import configure_mappers
from camelot.core.sql import metadata
metadata.bind = settings.ENGINE()
import camelot.model.party
import camelot.model.authentication
import camelot.model.i18n
import camelot.model.fixture
import camelot.model.memento
import camelot_example.model
#
# setup_all is only needed for those models that rely on elixir
#
from elixir import setup_all
setup_all()
#
# create the tables for all models, configure mappers first, to make
# sure all deferred properties have been handled, as those could
# create tables or columns
#
configure_mappers()
metadata.create_all()
from camelot.model.authentication import update_last_login
update_last_login()
#
# Load sample data with the fixure mechanism
#
from camelot_example.fixtures import load_movie_fixtures
load_movie_fixtures()
#
# setup the views
#
from camelot_example.view import setup_views
setup_views()
开发者ID:Governa，项目名称:Camelot，代码行数:34，代码来源:main.py
示例11: main
def main(argv=sys.argv):
if len(argv) != 2:
usage(argv)
config_uri = argv[1]
setup_logging(config_uri)
settings = get_appsettings(config_uri)
engine = engine_from_config(settings, 'sqlalchemy.')
DBSession.configure(bind=engine)
translation_manager.options.update({
'locales': settings['available_languages'].split(),
'get_locale_fallback': True
})
configure_mappers()
postgis_version = DBSession.execute(func.postgis_version()).scalar()
if not postgis_version.startswith('2.'):
# With PostGIS 1.x the AddGeometryColumn and DropGeometryColumn
# management functions should be used.
Area.__table__.c.geometry.type.management = True
Task.__table__.c.geometry.type.management = True
Base.metadata.drop_all(engine)
Base.metadata.create_all(engine)
with transaction.manager:
geometry = 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# noqa
geometry = geojson.loads(geometry,
object_hook=geojson.GeoJSON.to_instance)
geometry = shapely.geometry.asShape(geometry)
geometry = shape.from_shape(geometry, 4326)
area = Area(
geometry
)
DBSession.add(area)
project = Project(
'Map all primary roads'
)
project.area = area
project.short_description = "Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua." # noqa
project.description = "Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum." # noqa
DBSession.add(project)
with project.force_locale('fr'):
project.name = "Cartographier les routes"
project.auto_fill(14)
license = License()
license.name = 'NextView'
license.description = "This data is licensed for use by the US Government (USG) under the NextView (NV) license and copyrighted by Digital Globe or GeoEye. The NV license allows the USG to share the imagery and Literal Imagery Derived Products (LIDP) with entities outside the USG when that entity is working directly with the USG, for the USG, or in a manner that is directly beneficial to the USG. The party receiving the data can only use the imagery or LIDP for the original purpose or only as otherwise agreed to by the USG. The party receiving the data cannot share the imagery or LIDP with a third party without express permission from the USG. At no time should this imagery or LIDP be used for other than USG-related purposes and must not be used for commercial gain. The copyright information should be maintained at all times. Your acceptance of these license terms is implied by your use." # noqa
license.plain_text = "In other words, you may only use NextView imagery linked from this site for digitizing OpenStreetMap data for humanitarian purposes." # noqa
DBSession.add(license)
license = License()
license.name = 'Astrium/UNOSAT'
license.description = "UNOSAT allow any INTERNET USER to use the IMAGE to develop DERIVATIVE WORKS provided that the INTERNET USER includes the DERIVATIVE WORKS he/she created in the OpenStreetMap database under CC-BY-SA licence (http://creativecommons.org/licenses/by-sa/2.0/) and/or Open Database licence (ODbL: http://www.opendatacommons.org/licenses/odbl/), with the credit of the corresponding PRODUCT conspicuously displayed and written in full, in order to allow any OpenStreetMap database user to have access to and to use the DERIVATIVE WORKS. Except for the foregoing, the END USER and/or the INTERNET USER shall not be entitled to sell, distribute, assign, dispose of, lease, sublicense or transfer, directly or indirectly, any DERIVATIVE WORKS to any third party." # noqa
license.plain_text = "Astrium GEO-Information Services and UNOSAT are allowing access to this imagery for creating information in OpenStreetMap. Other uses are not allowed." # noqa
DBSession.add(license)
开发者ID:yohanboniface，项目名称:osm-tasking-manager2，代码行数:60，代码来源:initializedb.py
示例12: setUp
def setUp(self):
super(TestDBAPI, self).setUp()
configure_mappers()
cfg.CONF.set_override('connection', 'sqlite://', 'database')
neutron_db_api.configure_db()
neutron_db_api.register_models(models.BASEV2)
开发者ID:mohanraj1311，项目名称:quark，代码行数:7，代码来源:test_db_api.py
示例13: test_abstract_in_hierarchy
def test_abstract_in_hierarchy(self):
class Document(Base, AbstractConcreteBase):
doctype = Column(String)
class ContactDocument(Document):
__abstract__ = True
send_method = Column(String)
class ActualDocument(ContactDocument):
__tablename__ = 'actual_documents'
__mapper_args__ = {
'concrete': True,
'polymorphic_identity': 'actual'}
id = Column(Integer, primary_key=True)
configure_mappers()
session = Session()
self.assert_compile(
session.query(Document),
"SELECT pjoin.doctype AS pjoin_doctype, "
"pjoin.send_method AS pjoin_send_method, "
"pjoin.id AS pjoin_id, pjoin.type AS pjoin_type "
"FROM (SELECT actual_documents.doctype AS doctype, "
"actual_documents.send_method AS send_method, "
"actual_documents.id AS id, 'actual' AS type "
"FROM actual_documents) AS pjoin"
)
开发者ID:SvenDowideit，项目名称:clearlinux，代码行数:29，代码来源:test_inheritance.py
示例14: _automap
def _automap(self, e):
Base = automap_base()
Base.prepare(e, reflect=True)
time.sleep(.01)
configure_mappers()
开发者ID:cpcloud，项目名称:sqlalchemy，代码行数:7，代码来源:test_automap.py
示例15: get_taxa_photo_count
def get_taxa_photo_count(session, metadata):
"""Return the photo count for each (genus, section, species) combination.
Taxa are returned as 4-tuples ``(genus, section, species, photo_count)``.
"""
Base = automap_base(metadata=metadata)
Base.prepare()
configure_mappers()
Photo = Base.classes.photos
Taxon = Base.classes.taxa
Rank = Base.classes.ranks
stmt_genus = session.query(Photo.id, Taxon.name.label('genus')).\
join(Photo.taxa_collection, Taxon.ranks).\
filter(Rank.name == 'genus').subquery()
stmt_section = session.query(Photo.id, Taxon.name.label('section')).\
join(Photo.taxa_collection, Taxon.ranks).\
filter(Rank.name == 'section').subquery()
stmt_species = session.query(Photo.id, Taxon.name.label('species')).\
join(Photo.taxa_collection, Taxon.ranks).\
filter(Rank.name == 'species').subquery()
q = session.query('genus', 'section', 'species',
functions.count(Photo.id).label('photos')).\
select_from(Photo).\
join(stmt_genus, stmt_genus.c.id == Photo.id).\
outerjoin(stmt_section, stmt_section.c.id == Photo.id).\
join(stmt_species, stmt_species.c.id == Photo.id).\
group_by('genus', 'section', 'species')
return q
开发者ID:xieyanfu，项目名称:nbclassify，代码行数:34，代码来源:db.py
示例16: test_o2m_relationship_cascade
def test_o2m_relationship_cascade(self):
Base = automap_base(metadata=self.metadata)
Base.prepare()
configure_mappers()
b_rel = Base.classes.a.b_collection
assert not b_rel.property.cascade.delete
assert not b_rel.property.cascade.delete_orphan
assert not b_rel.property.passive_deletes
assert b_rel.property.cascade.save_update
c_rel = Base.classes.a.c_collection
assert c_rel.property.cascade.delete
assert c_rel.property.cascade.delete_orphan
assert not c_rel.property.passive_deletes
assert c_rel.property.cascade.save_update
d_rel = Base.classes.a.d_collection
assert d_rel.property.cascade.delete
assert d_rel.property.cascade.delete_orphan
assert d_rel.property.passive_deletes
assert d_rel.property.cascade.save_update
e_rel = Base.classes.a.e_collection
assert not e_rel.property.cascade.delete
assert not e_rel.property.cascade.delete_orphan
assert e_rel.property.passive_deletes
assert e_rel.property.cascade.save_update
开发者ID:cpcloud，项目名称:sqlalchemy，代码行数:33，代码来源:test_automap.py
示例17: create_all
def create_all(self):
from sqlalchemy import orm
orm.configure_mappers()
with self.engine.begin() as conn:
conn.execute("SET search_path TO " + self.metadata.schema)
self.create_tables(conn)
self.create_functions(conn)
开发者ID:mediatum，项目名称:mediatum，代码行数:7，代码来源:connector.py
示例18: get_photos
def get_photos(session, metadata):
"""Return photo records from the database."""
Base = automap_base(metadata=metadata)
Base.prepare()
configure_mappers()
Photo = Base.classes.photos
photos = session.query(Photo)
return photos
开发者ID:xieyanfu，项目名称:nbclassify，代码行数:8，代码来源:db.py
示例19: test_use_get_reverseorder
def test_use_get_reverseorder(self):
mapper(self.classes.A, self.tables.a)
m_b = mapper(self.classes.B, self.tables.b_differentorder, properties={
'a': relationship(self.classes.A)
})
configure_mappers()
is_true(m_b.relationships.a.strategy.use_get)
开发者ID:cpcloud，项目名称:sqlalchemy，代码行数:8，代码来源:test_lazy_relations.py
示例20: _configure_driver_mappers
def _configure_driver_mappers(self):
try:
configure_mappers()
except Exception as e:
logging.error((
'{}: Unable to configure mappers. '
'Have you imported your models?'
).format(str(e)))
开发者ID:NCI-GDC，项目名称:psqlgraph，代码行数:8，代码来源:psqlgraph.py
注：本文中的sqlalchemy.orm.configure_mappers函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
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