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import sqlalchemy as sa
from sqlalchemy import inspect
from sqlalchemy.ext import declarative as legacy_decl
from sqlalchemy.testing import eq_
from sqlalchemy.testing import expect_deprecated_20
from sqlalchemy.testing import fixtures
from sqlalchemy.testing import is_false
from sqlalchemy.testing import is_true
class DeprecatedImportsTest(fixtures.TestBase):
def _expect_warning(self, name):
return expect_deprecated_20(
r"The ``%s\(\)`` function is now available as "
r"sqlalchemy.orm.%s\(\)" % (name, name)
)
def test_declarative_base(self):
with self._expect_warning("declarative_base"):
Base = legacy_decl.declarative_base()
class Foo(Base):
__tablename__ = "foo"
id = sa.Column(sa.Integer, primary_key=True)
assert inspect(Foo).mapper
def test_as_declarative(self):
with self._expect_warning("as_declarative"):
@legacy_decl.as_declarative()
class Base:
pass
class Foo(Base):
__tablename__ = "foo"
id = sa.Column(sa.Integer, primary_key=True)
assert inspect(Foo).mapper
def test_has_inherited_table(self, registry):
@registry.mapped
class Foo:
__tablename__ = "foo"
id = sa.Column(sa.Integer, primary_key=True)
@registry.mapped
class Bar(Foo):
__tablename__ = "bar"
id = sa.Column(sa.ForeignKey("foo.id"), primary_key=True)
with self._expect_warning("has_inherited_table"):
is_true(legacy_decl.has_inherited_table(Bar))
with self._expect_warning("has_inherited_table"):
is_false(legacy_decl.has_inherited_table(Foo))
def test_synonym_for(self, registry):
with self._expect_warning("synonym_for"):
@registry.mapped
class Foo:
__tablename__ = "foo"
id = sa.Column(sa.Integer, primary_key=True)
@legacy_decl.synonym_for("id")
@property
def id_prop(self):
return self.id
f1 = Foo(id=5)
eq_(f1.id_prop, 5)
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