Is there a way to run the command streamlit run APP_NAME.py
from within a python script, that might look something like:
import streamlit
streamlit.run("APP_NAME.py")
As the project I'm working on needs to be cross-platform (and packaged), I can't safely rely on a call to os.system(...)
or subprocess
.
Hopefully this works for others: I looked into the actual streamlit file in my python/conda bin, and it had these lines:
import re
import sys
from streamlit.cli import main
if __name__ == '__main__':
sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0])
sys.exit(main())
From here, you can see that running streamlit run APP_NAME.py
on the command line is the same (in python) as:
import sys
from streamlit import cli as stcli
if __name__ == '__main__':
sys.argv = ["streamlit", "run", "APP_NAME.py"]
sys.exit(stcli.main())
So I put that in another script, and then run that script to run the original app from python, and it seemed to work. I'm not sure how cross-platform this answer is though, as it still relies somewhat on command line args.
You can run your script from python as python my_script.py
:
import sys
from streamlit import cli as stcli
import streamlit
def main():
# Your streamlit code
if __name__ == '__main__':
if streamlit._is_running_with_streamlit:
main()
else:
sys.argv = ["streamlit", "run", sys.argv[0]]
sys.exit(stcli.main())
I prefer working with subprocess and it makes executing many scripts via another python script very easy.
The subprocess module allows you to spawn new processes, connect to their input/output/error pipes, and obtain their return codes. This module intends to replace several older modules and functions:
import subprocess
import os
process = subprocess.Popen(["streamlit", "run", os.path.join(
'application', 'main', 'services', 'streamlit_app.py')])
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