95 lines
3.3 KiB
Python
95 lines
3.3 KiB
Python
import logging
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import platform
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from io import StringIO
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from itertools import product
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from os import environ
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from pathlib import Path
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from subprocess import CalledProcessError, run
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logging.getLogger(__name__).propagate=True
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def find_flatpak_browser():
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if platform.system() != "Linux":
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return
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for path_element in map(Path, environ["PATH"].split(":")):
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if (path_element/"flatpak").is_file():
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flatpak_bin = path_element/"flatpak"
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break
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else:
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# flatpak is not installed
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return
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flatpak_apps = ("com.google.Chrome", "com.microsoft.Edge", "com.brave.Browser", "org.chromium.Chromium")
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try:
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flatpak_process = run(
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[
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str(flatpak_bin),
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"list",
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"--app",
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"--columns=application"
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],
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capture_output=True,
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check=True
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)
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except CalledProcessError as e:
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pass
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else:
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with StringIO(flatpak_process.stdout.decode()) as flatpak_output:
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installed_flatpaks = flatpak_output.readlines()[1:]
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for flatpak_app in flatpak_apps:
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if flatpak_app in [_.strip() for _ in installed_flatpaks]:
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return f"flatpak run --filesystem={Path.home()/'.local/share/jupyter/runtime'} {flatpak_app} --start-maximized --profile-directory=Default --app=%s"
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def find_browser():
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# find a chromium-based browser on the system to use.
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if platform.system() == "Windows":
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# prefers Microsoft Edge on Windows
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cmds = (
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"Microsoft/Edge/Application/msedge.exe",
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"Google/Chrome/Application/chrome.exe",
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)
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path_elements = map(Path, (environ["ProgramFiles"], environ["ProgramFiles(x86)"]))
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elif platform.system() == "Linux":
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# prefers Google Chrome on Linux due to popularity of the browser
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cmds = ("google-chrome", "microsoft-edge", "brave", "chromium")
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path_elements = map(Path, environ["PATH"].split(":"))
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elif platform.system() == "Darwin":
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# also prefers Google Chrome on MacOS due to popularity of the browser
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cmds = ("Contents/MacOS/Google Chrome", "Contents/MacOS/Microsoft Edge")
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path_elements = [Path(f"/Applications/{Path(cmd).name}.app") for cmd in cmds]
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# use the first chromium-based browser found as the browser to run Jupyter in app mode
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for cmd, path_element in product(cmds, path_elements):
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browser = path_element / cmd
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if browser.exists():
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return f'"{browser}" --start-maximized --profile-directory=Default --app=%s'
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# generated if you run `jupyter lab --generate-config`, used for additional configuration
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DEFAULT_CONFIG_FILE = Path.home() / ".jupyter/jupyter_lab_config.py"
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# user's home will be the root path of jupyter's file explorer
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c.ServerApp.root_dir = str(Path.home())
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browser_cmd = find_flatpak_browser() or find_browser()
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if browser_cmd:
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c.ServerApp.browser = browser_cmd
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else:
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logging.getLogger(__name__).warning(
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"No Chromium-based browser was found on this system, therefore Jupyter will run "
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+ "in a new tab of the system-default browser"
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)
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# read and exec default config file for additional config/overrides
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if DEFAULT_CONFIG_FILE.exists():
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with open(DEFAULT_CONFIG_FILE, "r") as config_file:
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exec(config_file.read())
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