run python script from index.js cloud function

Question

I am trying to run a python script from a node.js- cloud functions index file. in order to access python script, I am also using "python-shell" ... the problem is every time I run deploy my functions of the index.js file, it prints this error:

Error: python: can't open file '../Python36/fListener.py': [Errno 2] 
                     No such file or directory

at PythonShell.parseError (/user_code/node_modules/python-
 shell/index.js:190:17)
at terminateIfNeeded (/user_code/node_modules/python-shell/index.js:98:28)
at Socket.<anonymous> (/user_code/node_modules/python-shell/index.js:78:9)
at emitNone (events.js:91:20)
at Socket.emit (events.js:185:7)
at endReadableNT (_stream_readable.js:974:12)
at _combinedTickCallback (internal/process/next_tick.js:80:11)
at process._tickDomainCallback (internal/process/next_tick.js:128:9)

also, I tried to create python project in the node.js 'functions' folder but it's pointing me on different 'import' errors on libraries which I am trying to use on python's script.something like this:

 File "py_project/fListener.py", line 1, in <module>
      import sseclient

what is the correct way to execute python script via node.js cloud functions??

thanks.

C:\Users\mkdan\nodejs\functions\py_env - this is where my 'Lib', 'Scripts' ..etc. C:\Users\mkdan\nodejs\functions\social_py - is where my python's script — m.d
– m.d, Commented Jan 7, 2018 at 12:26
the 'index.js' file is also in - C:\Users\mkdan\nodejs\functions — m.d
– m.d, Commented Jan 7, 2018 at 12:33

arudzinska · Accepted Answer · 2018-02-20 16:33:20Z

0

Here's a little bit different approach for calling a Python script from a Cloud Function, without usage of python-shell. The idea is to package the Python code with PyInstaller ("a program that freezes (packages) Python programs into stand-alone executables") into a self-executable unit that is later used by a function executed by a node.js script. It was discussed more in depth in this Stack Overflow topic.

edited Feb 20, 2018 at 16:33

answered Feb 20, 2018 at 15:48

arudzinska

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