Function to import module to namespace

Terry Reedy tjreedy at
Mon Jun 30 00:44:50 CEST 2008

bvdp wrote:
> Is it possible to do this from a function: import a module and append 
> the defs in that module to an existing module/namesapce.
> So, in my code I have something like:
> # main code
> import mods
> def loadmore(n):
>    import_module(n, mods)
> ....
> # end of main
> this will permit the addition of the the stuff in file '' to 'mods'.
> Assuming that foo1() is defined in newmod, I should now be able to do 
> something like mods.foo1().

Do you mean something like this?
 >>> import string
 >>> dir(string)
['Formatter', 'Template', '_TemplateMetaclass', '__builtins__', 
'__doc__', '__file__', '__name__', '__package__', '_multimap', '_re', 
'ascii_letters', 'ascii_lowercase', 'ascii_uppercase', 'capwords', 
'digits', 'hexdigits', 'maketrans', 'octdigits', 'printable', 
'punctuation', 'whitespace']
 >>> import math

 >>> math.__dict__.update(string.__dict__)
 >>> dir(math)
['Formatter', 'Template', '_TemplateMetaclass', '__builtins__', 
'__doc__', '__file__', '__name__', '__package__', '_multimap', '_re', 
'acos', 'acosh', 'ascii_letters', 'ascii_lowercase', 'ascii_uppercase', 
'asin', 'asinh', 'atan', 'atan2', 'atanh', 'capwords', 'ceil', 
'copysign', 'cos', 'cosh', 'degrees', 'digits', 'e', 'exp', 'fabs', 
'factorial', 'floor', 'fmod', 'frexp', 'hexdigits', 'hypot', 'isinf', 
'isnan', 'ldexp', 'log', 'log10', 'log1p', 'maketrans', 'modf', 
'octdigits', 'pi', 'pow', 'printable', 'punctuation', 'radians', 'sin', 
'sinh', 'sqrt', 'sum', 'tan', 'tanh', 'trunc', 'whitespace']


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