aly.codes
Rules-based browser launcher for TUI + GNOME.
switchyard.aly.codes
tui
gnome
bowser
go
move desktop integration to its own package and package with nix
author
Aly Raffauf
date
(Jun 2, 2026, 11:21 AM -0400)
commit
8db6097a
8db6097a2ec4017dc22b0a26f86acdf77e5b97f9
parent
d636334a
d636334a9db998aa8938111842c8f0d438176aa5
+283
-3
+1
browser-setup/.python-version
+1
browser-setup/.python-version
···
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3.14
+257
browser-setup/main.py
+257
browser-setup/main.py
···
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#!/usr/bin/env python3
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# SPDX-License-Identifier: GPL-3.0-or-later
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# Switchyard desktop integration installer — https://github.com/alyraffauf/Switchyard
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import argparse
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import json
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import shutil
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import subprocess
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import sys
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from dataclasses import asdict, dataclass
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from pathlib import Path
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FLATPAK_CHROMIUM: dict[str, str] = {
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"com.brave.Browser": "BraveSoftware/Brave-Browser",
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"com.google.Chrome": "google-chrome",
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"com.microsoft.Edge": "microsoft-edge",
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"com.vivaldi.Vivaldi": "vivaldi",
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"io.github.ungoogled_software.ungoogled_chromium": "chromium",
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"net.imput.helium": "net.imput.helium",
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"org.chromium.Chromium": "chromium",
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}
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NATIVE_CHROMIUM = [
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"net.imput.helium",
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"google-chrome",
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"chromium",
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"BraveSoftware/Brave-Browser",
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"microsoft-edge",
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"vivaldi",
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]
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FLATPAK_FIREFOX: dict[str, str] = {
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"org.mozilla.firefox": ".mozilla",
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"io.gitlab.librewolf-community": ".librewolf",
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}
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NATIVE_FIREFOX = [".mozilla", ".librewolf"]
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@dataclass
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class NativeMessagingManifest:
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path: str
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name: str = "io.github.alyraffauf.switchyard"
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description: str = "Switchyard browser selector"
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type: str = "stdio"
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allowed_origins: list[str] | None = None
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allowed_extensions: list[str] | None = None
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def run(cmd: list[str]) -> bool:
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return subprocess.run(cmd, capture_output=True).returncode == 0
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def flatpak_installed(flatpak: str | None, id: str) -> bool:
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if flatpak:
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return run([flatpak, "info", id])
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return False
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def find_switchyard(flatpak: str | None) -> str | None:
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switchyard = shutil.which("switchyard")
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if flatpak and flatpak_installed(flatpak, "io.github.alyraffauf.Switchyard"):
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return f"{flatpak} run io.github.alyraffauf.Switchyard"
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return switchyard
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def write_wrapper(switchyard: str, path: Path):
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wrapper = f"""#!/bin/sh
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if [ "${{container-}}" = flatpak ]; then
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exec /usr/bin/flatpak-spawn --host {switchyard} --native-host "$@"
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else
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exec {switchyard} --native-host "$@"
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fi
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"""
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path.parent.mkdir(parents=True, exist_ok=True)
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path.write_text(wrapper)
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path.chmod(0o755)
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def install_manifests(switchyard: str, configs: list[Path], hosts_dir: str, **kwargs):
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for config_dir in configs:
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manifest_file = config_dir / hosts_dir / "io.github.alyraffauf.switchyard.json"
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manifest_file.parent.mkdir(parents=True, exist_ok=True)
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manifest = NativeMessagingManifest(
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path=str(manifest_file.parent / "switchyard-native-host-wrapper.sh"),
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**kwargs,
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)
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manifest_file.write_text(
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json.dumps(
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{key: val for key, val in asdict(manifest).items() if val is not None}
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)
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)
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print(f" Installed {manifest_file}")
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write_wrapper(
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switchyard, manifest_file.parent / "switchyard-native-host-wrapper.sh"
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)
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def install(yes: bool = False):
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print("Installing Switchyard native messaging host...")
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flatpak = shutil.which("flatpak")
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switchyard = find_switchyard(flatpak)
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if switchyard is None:
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print("Switchyard is not installed.")
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sys.exit(1)
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installed_chromium = [
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app_id for app_id in FLATPAK_CHROMIUM if flatpak_installed(flatpak, app_id)
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]
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installed_firefox = [
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app_id for app_id in FLATPAK_FIREFOX if flatpak_installed(flatpak, app_id)
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]
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to_override = installed_chromium + installed_firefox
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chromium = [
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Path.home() / f".var/app/{app_id}/config/{FLATPAK_CHROMIUM[app_id]}"
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for app_id in installed_chromium
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] + [Path.home() / f".config/{config_dir}" for config_dir in NATIVE_CHROMIUM]
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firefox = [
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Path.home() / f".var/app/{app_id}/{FLATPAK_FIREFOX[app_id]}"
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for app_id in installed_firefox
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] + [Path.home() / profile_dir for profile_dir in NATIVE_FIREFOX]
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install_manifests(
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switchyard,
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chromium,
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"NativeMessagingHosts",
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allowed_origins=[
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"chrome-extension://ncehhpikkabfdcceimdhjjjodogflokc/",
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"chrome-extension://gmdmmjfmpfbmddgphjbkbbmdolkifloi/",
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],
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)
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install_manifests(
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switchyard,
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firefox,
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"native-messaging-hosts",
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allowed_extensions=["switchyard@alyraffauf.github.io"],
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)
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if to_override:
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print(
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"\nThe following browsers are installed via Flatpak and run in a "
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"sandbox. To let them talk to Switchyard, we need to grant each one "
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"permission to reach outside the sandbox. This does weaken their "
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"isolation slightly, so it's worth knowing before we proceed.\n"
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)
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for app_id in to_override:
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print(f" {app_id}")
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print()
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if yes:
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answer = "y"
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else:
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answer = input("Grant permission to these browsers? [y/N] ").strip().lower()
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if answer != "y":
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print("Skipping permission grants.")
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to_override = []
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assert flatpak
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for app_id in to_override:
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granted = run(
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[
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flatpak,
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"override",
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"--user",
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"--talk-name=org.freedesktop.Flatpak",
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app_id,
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]
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)
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if granted:
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print(f" Granted: {app_id}")
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else:
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print(f" Failed to grant permission for {app_id}")
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print("\nManifests installed. Please restart your browser.")
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def uninstall():
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chromium = [
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Path.home() / f".var/app/{app_id}/config/{FLATPAK_CHROMIUM[app_id]}"
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for app_id in FLATPAK_CHROMIUM
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] + [Path.home() / f".config/{config_dir}" for config_dir in NATIVE_CHROMIUM]
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firefox = [
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Path.home() / f".var/app/{app_id}/{FLATPAK_FIREFOX[app_id]}"
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for app_id in FLATPAK_FIREFOX
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] + [Path.home() / profile_dir for profile_dir in NATIVE_FIREFOX]
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count = 0
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for config_dir in chromium:
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hosts = config_dir / "NativeMessagingHosts"
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for file in (
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hosts / "io.github.alyraffauf.switchyard.json",
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hosts / "switchyard-native-host-wrapper.sh",
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):
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if file.exists():
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file.unlink()
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print(f" Removed {file}")
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count += 1
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for profile_dir in firefox:
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hosts = profile_dir / "native-messaging-hosts"
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for file in (
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hosts / "io.github.alyraffauf.switchyard.json",
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hosts / "switchyard-native-host-wrapper.sh",
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):
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if file.exists():
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file.unlink()
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print(f" Removed {file}")
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count += 1
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print(f"\nRemoved {count} file(s).")
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def main():
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parser = argparse.ArgumentParser(
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prog="switchyard-browser-setup",
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description="Set up desktop integration between the Switchyard app and browser extension.",
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)
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group = parser.add_mutually_exclusive_group()
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group.add_argument(
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"--install", action="store_true", help="install the native messaging manifest."
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)
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parser.add_argument(
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"--yes", "-y", action="store_true", help="skip confirmation prompts."
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)
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group.add_argument(
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"--uninstall",
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action="store_true",
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help="remove the native messaging host manifest.",
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)
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args = parser.parse_args()
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if not args.install and not args.uninstall:
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parser.print_help()
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sys.exit(0)
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if args.install:
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install(yes=args.yes)
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if args.uninstall:
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uninstall()
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if __name__ == "__main__":
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main()
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browser-setup/pyproject.toml
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browser-setup/pyproject.toml
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[build-system]
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requires = ["setuptools"]
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build-backend = "setuptools.build_meta"
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[project]
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name = "switchyard-browser-setup"
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version = "0.1.0"
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description = "Desktop integration installer for Switchyard"
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readme = "README.md"
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requires-python = ">=3.11"
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dependencies = []
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[project.scripts]
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browser-setup = "main:main"
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-1
docs/WebExtension.md
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-1
docs/WebExtension.md
···
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The Switchyard extension can also show your installed browsers directly in the popup, letting you send the current tab to a specific browser in one click. This requires installing a native messaging host on your system.
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Please read [`scripts/install-desktop-integration.py`](../scripts/install-desktop-integration.py) before running this command:
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Please read [`browser-setup/main.py`](../browser-setup/main.py) before running this command:
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```bash
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curl -fsSL https://raw.githubusercontent.com/alyraffauf/Switchyard/master/scripts/install-desktop-integration.sh | bash -s -- --install --yes
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flake/packages.nix
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flake/packages.nix
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packages = {
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default = self'.packages.switchyard;
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browser-setup = pkgs.python3Packages.buildPythonApplication {
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pname = "browser-setup";
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version = "dev";
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src = ../browser-setup;
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pyproject = true;
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build-system = with pkgs.python3.pkgs; [ setuptools ];
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};
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switchyard = pkgs.buildGoModule {
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pname = "switchyard";
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version = "dev";
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scripts/install-desktop-integration.sh
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scripts/install-desktop-integration.sh
···
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# Usage: curl -fsSL <url> | bash -s -- [--install | --uninstall]
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#
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# This is a thin entrypoint that downloads and runs the Python installer.
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# Arguments are forwarded directly to install-desktop-integration.py.
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# Arguments are forwarded directly to browser-setup/main.py.
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set -euo pipefail
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···
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exit 1
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fi
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PY_URL="https://raw.githubusercontent.com/alyraffauf/Switchyard/refs/heads/master/scripts/install-desktop-integration.py"
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PY_URL="https://raw.githubusercontent.com/alyraffauf/Switchyard/refs/heads/master/browser-setup/main.py"
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curl -fsSL "$PY_URL" | python3 - "$@"