Why can't I run my python script from Matlab?

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Hi
I am trying to use this line
py.intervals.py();
Where intervals is a python script. I get the error
>> py.intervals.py()
Undefined variable "py" or class "py.intervals.py".
I am using R2018b. Do I need to purchase a Python Libraries API?

Answers (3)

Jan
Jan on 17 May 2019
  1 Comment
Stelios Fanourakis
Stelios Fanourakis on 19 May 2019
Yes I have seen the Python Libraries. I got the errors
Import argument 'intervals.py' cannot be found or cannot be imported.

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Prathamesh Degwekar
Prathamesh Degwekar on 21 May 2019
Hi,
I see two possible corrections you could try. Firstly try calling the python module itself instead of the file name (like "py.mymod.search(N)" instead of "py.mymod.py").
Secondly, maybe your file isn't in the python search path. If it isn't, try adding your folder to the python sys path using:
if count(py.sys.path,'') == 0
insert(py.sys.path,int32(0),'');
end

Rafael Rebouças
Rafael Rebouças on 19 Jan 2021
Edited: Rafael Rebouças on 19 Jan 2021
My solution:
% Simple way to load your library
copyfile(my_library_file_path, pwd, 'f');
% It's necessary to load library
py.my_library.any_method_or_function();
delete 'my_library.py';
Now, your Python library is loaded to use in any directory.

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