I wrote a program embbed boost.python, each thread running a sub-interpreter, i 
made a module implement by boost.python, and i wish this module imported in 
each sub-interpreter, i find that the module could initialize only once, 
otherwise the boost.python will throw a exception said that something already 
registered; second conversion method ignored.

So I try another way, initialize and import the module in one interpreter such 
as the main interpreter, and I hope to import the module in any 
sub-interpreter, because I found the python document said:
"Extension modules are shared between (sub-)interpreters as follows: the first 
time a particular extension is imported, it is initialized normally, and a 
(shallow) copy of its module's dictionary is squirreled away. When the same 
extension is imported by another (sub-)interpreter, a new module is initialized 
and filled with the contents of this copy; the extension's init function is not 
called. "
but when i try this way i found that the program throw an 
exception:ImportError: No module named mym, (mym is the module name). This 
happens even i wrote the module in Python/C API without boost.python.

Could somebody tell me why this happened or how to deal with it, thanks for any 
suggestion.

Donnie Leen


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