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import os
import re
import subprocess
import sys
from typing import Iterator
from .common import Browser
LINUX_DESKTOP_ENTRY_LIST = (
# desktop entry name can be "firefox.desktop" or "firefox_firefox.desktop"
("chrome", ("google-chrome",)),
("chromium", ("chromium", "chromium_chromium")),
("firefox", ("firefox", "firefox_firefox", "firefox-esr")),
("msedge", ("microsoft-edge",)),
("opera", ("opera_opera",)),
("opera-beta", ("opera-beta_opera-beta",)),
("opera-developer", ("opera-developer_opera-developer",)),
("brave", ("brave-browser", "brave_brave")),
("brave-beta", ("brave-browser-beta",)),
("brave-nightly", ("brave-browser-nightly",)),
)
# $XDG_DATA_HOME and $XDG_DATA_DIRS are not always set
XDG_DATA_LOCATIONS = (
"~/.local/share/applications",
"/usr/share/applications",
"/var/lib/snapd/desktop/applications",
)
VERSION_PATTERN = re.compile(r"\b(\S+\.\S+)\b") # simple pattern assuming all version strings have a dot on them
def browsers() -> Iterator[Browser]: # type: ignore[return]
if sys.platform == "linux":
from xdg.DesktopEntry import DesktopEntry
for browser, desktop_entries in LINUX_DESKTOP_ENTRY_LIST:
for application_dir in XDG_DATA_LOCATIONS:
for desktop_entry in desktop_entries:
path = os.path.join(application_dir, f"{desktop_entry}.desktop")
if not os.path.isfile(path):
continue
entry = DesktopEntry(path)
executable_path = entry.getExec()
if executable_path.lower().endswith(" %u"):
executable_path = executable_path[:-3].strip()
version = subprocess.getoutput(f"{executable_path} --version 2>&1").strip()
match = VERSION_PATTERN.search(version)
if match:
version = match[0]
yield Browser(
browser_type=browser, path=executable_path, display_name=entry.getName(), version=version
)
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