pass command line arguments to argv in jupyter/ipython notebook

I'm wondering if it's possible to populate sys.argv (or some other structure) with command line arguments in jupyter/ipython notebooks, similar to what is done via python scripts.

For example, if I run the python script as follows:

python test.py error

Then sys.argv will contain the parameter False. However, if I run a jupyter notebook in a similar fashion:

jupyter notebook test.ipynb False

Then the command line parameter is lost. Is there a way to access this parameter from the notebook itself?

Solution:

After a lot of looking around, I found very tedious custom library, but solved it with a few lines of code which I thought was pretty. I ended up with an html report as output using nbconvert with all the graphs in the notebook and Markdown, but accepts command line arguments via a minimal python wrapper:

python file test_args.py (normal execution of command line arguments):

import sys,osIPYNB_FILENAME = 'test_argv.ipynb'CONFIG_FILENAME = '.config_ipynb'def main(argv): with open(CONFIG_FILENAME,'w') as f: f.write(' '.join(argv)) os.system( 'jupyter nbconvert --execute {:s} --to html'.format(IPYNB_FILENAME)) return Noneif __name__ == '__main__': main(sys.argv)

The notebook contains:

import sys,os,argparsefrom IPython.display import HTMLCONFIG_FILE = '.config_ipynb'if os.path.isfile(CONFIG_FILE): with open(CONFIG_FILE) as f: sys.argv = f.read().split() else: sys .argv = ['test_args.py', 'input_file', '--int_param', '12']parser = argparse.ArgumentParser()parser.add_argument("input_file",help="Input image, directory, or npy.")parser.add_argument("--int_param", type=int, default=4, help="an optional integer parameter.")args = parser.parse_args()p = args.int_paramprint(args.input_file,p)

I can parse the python notebook for parameter parsing as usual:

python test_args.py my_input_file --int_param 12

I tend to stick the block with the argparse call into the python wrapper so that the python script catches command line errors and -h works correctly.

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pass command line arguments to argv in jupyter/ipython notebook

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