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Use Jupyter shell command from given directory #341

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Use Jupyter shell command from given directory #341

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12 changes: 10 additions & 2 deletions jupyter-env.el
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Original file line number Diff line number Diff line change
Expand Up @@ -38,16 +38,24 @@ directory is where kernel connection files are written to.
This variable should not be used. To obtain the runtime directory
call the function `jupyter-runtime-directory'.")

(defvar jupyter-command-directory nil
"The directory of the Jupyter command.
If nil then use Jupyter command from the path environment variable.

Used to run the `jupyter-command'.")

(defun jupyter-command (&rest args)
"Run a Jupyter shell command synchronously, return its output.
The shell command run is
The shell command run is (in `jupyter-command-directory')

jupyter ARGS...

If the command fails or the jupyter shell command doesn't exist,
return nil."
(with-temp-buffer
(when (zerop (apply #'process-file "jupyter" nil t nil args))
(when (zerop (apply #'process-file
(concat jupyter-command-directory "jupyter")
nil t nil args))
(string-trim-right (buffer-string)))))

(defun jupyter-runtime-directory ()
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