def get_tables_for_bind(self, bind=None):
"""Returns a list of all tables relevant for a bind."""
result = []
for table in itervalues(self.Model.metadata.tables):
if table.info.get('bind_key') == bind:
result.append(table)
return result
def _should_set_tablename(bases, d):
"""Check what values are set by a class and
its bases to determine if a
tablename should be automatically generated.
The class and its bases are checked in order
of precedence: the class itself then each base
in the order they were given at class definition.
Abstract classes do not generate a tablename,
although they may have set
or inherited a tablename elsewhere.
If a class defines a tablename or table,
a new one will not be generated.
Otherwise, if the class defines a primary key,
a new name will be generated.
This supports:
* Joined table inheritance without explicitly
naming sub-models.
* Single table inheritance.
* Inheriting from mixins or abstract models.
:param bases: base classes of new class
:param d: new class dict
:return: True if tablename should be set
"""
if '__tablename__' in d or '__table__' in d or '__abstract__' in d:
return False
if any(v.primary_key for v in itervalues(d)
if isinstance(v, sqlalchemy.Column)):
return True
for base in bases:
if hasattr(base, '__tablename__') or hasattr(base, '__table__'):
return False
for name in dir(base):
attr = getattr(base, name)
if isinstance(attr, sqlalchemy.Column) and attr.primary_key:
return True