The robustapply module is accessible via the sqlobject.include.pydispatch module.
Provides a function "call", which can sort out what arguments a given callable object can take, and subset the given arguments to match only those which are acceptable.
Get function-like callable object for given receiver
returns (function_or_method, codeObject, fromMethod)
If fromMethod is true, then the callable already has its first argument bound
Call receiver with arguments and an appropriate subset of named
See the source for more information.