sqlobject.boundattributes module¶
Bound attributes are attributes that are bound to a specific class and a specific name. In SQLObject a typical example is a column object, which knows its name and class.
A bound attribute should define a method __addtoclass__(added_class,
name) (attributes without this method will simply be treated as
normal).  The return value is ignored; if the attribute wishes to
change the value in the class, it must call setattr(added_class,
name, new_value).
BoundAttribute is a class that facilitates lazy attribute creation.
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class sqlobject.boundattributes.BoundAttribute(*args, **kw)[source]¶
- Bases: - sqlobject.declarative.Declarative- This is a declarative class that passes all the values given to it to another object. So you can pass it arguments (via __init__/__call__) or give it the equivalent of keyword arguments through subclassing. Then a bound object will be added in its place. - To hook this other object in, override - make_object(added_class, name, **attrs)and maybe- set_object(added_class, name, **attrs)(the default implementation of- set_objectjust resets the attribute to whatever- make_objectreturned).- Also see - BoundFactory.- 
clone_for_subclass= True¶
 - 
declarative_count= 1¶
 
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class sqlobject.boundattributes.BoundFactory(*args, **kw)[source]¶
- Bases: - sqlobject.boundattributes.BoundAttribute- This will bind the attribute to whatever is given by - factory_class. This factory should be a callable with the signature- factory_class(added_class, attr_name, *args, **kw).- The factory will be reinvoked (and the attribute rebound) for every subclassing. - 
declarative_count= 2¶
 - 
factory_class= None¶
 
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