[Nexus] Questions about the usage of NeXpy in Python

[jiemin.li at diamond.ac.uk]

Dear Contributor of NeXpy:
Thank you very much for your continuous effort on this package, so that people whose occupation is related to scientific research would be able to work in a more efficient way. I deeply appreciate your work.
I'm a PhD student at Diamond Light Source and just make use of Python to analysis our data. At present, I'm not very familiar with Python. Here, I came across two problems as trying to use NeXpy package in Python. I have tried to search the answers online. But few information about NeXpy can be found, maybe because it is just a new baby in the big family of Python. So I have no choice but to seek your help. Here are my question:

(1)    I have followed the instruction from website: https://github.com/nexpy/nexpy to install nexpy successfully by utilizing the pip command of Python in cmd of Windows7. And I also install the relating packages: <jupyter>, <Ipython>, <h5py>, <numpy>, <scipy>, <matplotlib>, <lmfit> ,<spec2nexus>. But when I try to use NeXpy to extract the tree of our data in Python Console, some problems emerge. See the attached .PNG figures. From the figure1, it demonstrates that file of tree.py does exist in the nexus file of nexusformat package. But from the figure2, there is no attribute-tree of object-a which I have created by utilizing nxload function.

So could you please help me to point out how I should do?

(2)    When I type nexus in Python Console, it doesn't display the nexus GUI. So how can I invoke the nexus GUI in Python Console?

That's all.
Thank you very much for your time on these issues. And I look forward to hearing from you.

Best regards,
Jiemin
PhD Student
Diamond Light Source

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