summaryrefslogtreecommitdiff
path: root/lib/sqlalchemy/orm/interfaces.py
diff options
context:
space:
mode:
Diffstat (limited to 'lib/sqlalchemy/orm/interfaces.py')
-rw-r--r--lib/sqlalchemy/orm/interfaces.py21
1 files changed, 16 insertions, 5 deletions
diff --git a/lib/sqlalchemy/orm/interfaces.py b/lib/sqlalchemy/orm/interfaces.py
index 1b1d7dfa9..1e47e6616 100644
--- a/lib/sqlalchemy/orm/interfaces.py
+++ b/lib/sqlalchemy/orm/interfaces.py
@@ -55,8 +55,17 @@ MANYTOMANY = util.symbol('MANYTOMANY')
from .deprecated_interfaces import AttributeExtension, SessionExtension, \
MapperExtension
+class _InspectionAttr(object):
+ """Define a series of attributes that all ORM inspection
+ targets need to have."""
-class MapperProperty(object):
+ is_selectable = False
+ is_aliased_class = False
+ is_instance = False
+ is_mapper = False
+ is_property = False
+
+class MapperProperty(_InspectionAttr):
"""Manage the relationship of a ``Mapper`` to a single class
attribute, as well as that attribute as it appears on individual
instances of the class, including attribute instrumentation,
@@ -77,6 +86,8 @@ class MapperProperty(object):
"""
+ is_property = True
+
def setup(self, context, entity, path, adapter, **kwargs):
"""Called by Query for the purposes of constructing a SQL statement.
@@ -115,8 +126,8 @@ class MapperProperty(object):
def instrument_class(self, mapper): # pragma: no-coverage
raise NotImplementedError()
- _compile_started = False
- _compile_finished = False
+ _configure_started = False
+ _configure_finished = False
def init(self):
"""Called after all mappers are created to assemble
@@ -124,9 +135,9 @@ class MapperProperty(object):
initialization steps.
"""
- self._compile_started = True
+ self._configure_started = True
self.do_init()
- self._compile_finished = True
+ self._configure_finished = True
@property
def class_attribute(self):