__file__ does not exist in Jupyter Notebook

Question

I\'m on a Jupyter Notebook server (v4.2.2) with Python 3.4.2 and I want to use the global name __file__, because the notebook will be cloned from other users an

Answer 1

In modern Python (v3.4+) we can use pathlib to get the notebook's directory:

from pathlib import Path

cwd = Path().resolve()
# cwd == PosixPath('/path/to/this/jupyter/ipynb/file's/directory/')

# or this way, thanks @NunoAndré:
cwd = Path.cwd()
# cwd == PosixPath('/path/to/this/jupyter/ipynb/file's/directory/')

Update

@ShitalShah I cannot reproduce the error you are reporting. Jupyter notebook seems to work fine, regardless of the current working directory the application was started.

Example: file ~/dir1/dir2/untitled.ipynb and Jupyter notebook started in ~/dir1:

Jupyter notebook started in ~/dir1/dir2: