dotfiles/i3/i3/scripts/jupyter-calculator
2022-03-03 12:10:19 -04:00

72 lines
2.3 KiB
Python
Executable File

#!/bin/python3
import subprocess
import time
import psutil
NOTEBOOK_DIR = "/home/julian/jupyter-notebooks/"
PORT = "8988"
def isOtherProcessRunning():
process_count = 0
for proc in psutil.process_iter():
try:
pinfo = proc.as_dict(attrs=['pid', 'name', 'create_time'])
if "jupyter-calc" in pinfo['name'].lower():
process_count += 1
except (psutil.NoSuchProcess, psutil.AccessDenied , psutil.ZombieProcess) :
pass
return process_count > 1
def getNotebookPort(line):
url = line.split(" :: ")[0]
return url.split("localhost:")[1].split("/")[0]
def getNotebookToken(line):
url = line.split(" :: ")[0]
return url.split("token=")[1]
def isNotebookRunning():
answer = subprocess.check_output("jupyter notebook list", shell=True)
lines = answer.decode("utf-8").split("\n")
if lines[0] != "Currently running servers:":
raise Exception("Invalid jupyter status message")
for i in range(1, len(lines) -1):
if getNotebookPort(lines[i]) == PORT:
return getNotebookToken(lines[i])
return None
if __name__ == "__main__":
try:
if not isNotebookRunning():
subprocess.Popen(f"jupyter notebook --notebook-dir={NOTEBOOK_DIR} --port={PORT} --no-browser", shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
max_wait_seconds = 3
delta_t_seconds = 0.1
current_wait_seconds = 0
token = ""
while True:
token = isNotebookRunning()
if token:
break
time.sleep(delta_t_seconds)
current_wait_seconds += delta_t_seconds
if current_wait_seconds >= max_wait_seconds:
raise Exception(f"Maximum wait time of {max_wait_seconds} exceeded!")
subprocess.call(f"cp {NOTEBOOK_DIR}calculator_template.ipynb {NOTEBOOK_DIR}calculator.ipynb", shell=True, stdout=None)
subprocess.call(f"electron 'http://localhost:{PORT}/notebooks/calculator.ipynb?token={token}'", shell=True, stdout=None)
finally:
# TODO: not reliably working
if not isOtherProcessRunning():
try:
subprocess.run(f"jupyter notebook stop {PORT}", shell=True)
except Exception:
pass