nest-server: BadRequest: 400 Bad Request: name '<function name>' is not defined

[espenhgn]

Describe the bug
The nest-server has issues with nest simulation scripts that rely on (nested?) function definitions, like the LambertWm1 function in the PyNest brunel_alpha_nest.py example.

To Reproduce
Steps to reproduce the behavior:

$ export NEST_SERVER_RESTRICTION_OFF=false  # doesn't matter if true/false
$ nest-server start -d
$ ipython
>>> from NESTServerClient import NESTServerClient
>>> nsc = NESTServerClient()
>>> response = nsc.from_file('brunel_alpha_nest.py')
...
nest.raster_plot.from_device(espikes, hist=True)
plt.show()

--------------------
---------------------------------------------------------------------------
BadRequest                                Traceback (most recent call last)
Cell In[5], line 4
      1 from NESTServerClient import NESTServerClient
      2 nsc = NESTServerClient()
----> 4 response = nsc.from_file('brunel_alpha_nest.py')

File ~/miniforge3/envs/hybridlfpy/lib/python3.10/site-packages/NESTServerClient/NESTServerClient.py:68, in NESTServerClient.from_file(self, filename, return_vars)
     66 print(script)
     67 print(20 * '-')
---> 68 return self.exec_script(script, return_vars)

File ~/miniforge3/envs/hybridlfpy/lib/python3.10/site-packages/NESTServerClient/NESTServerClient.py:57, in NESTServerClient.exec_script(self, source, return_vars)
     52 params = {
     53     'source': source,
     54     'return': return_vars,
     55 }
     56 response = requests.post(self.url + 'exec', json=params, headers=self.headers)
---> 57 return encode(response)

File ~/miniforge3/envs/hybridlfpy/lib/python3.10/site-packages/NESTServerClient/NESTServerClient.py:35, in encode(response)
     33     return response.json()
     34 elif response.status_code == 400:
---> 35     raise BadRequest(response.text)

BadRequest: 400 Bad Request: name 'LambertWm1' is not defined

Expected behavior
Should work I suppose

Desktop/Environment (please complete the following information):

• OS: MacOS 13.3.1
• Shell: zsh
• Python-Version: 3.10.10
• NEST-Version: 3.4
• Installation: from source

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Issue automatically marked stale!