PrideFetch/packages.py

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from subprocess import check_output
commands = [
"pacman -Qq",
"apt list --installed",
"yum list installed",
"dnf list installed",
"qlist -I",
"nix profile list",
"nix-env -q",
"rpm -qa",
]
def get_num_packages() -> (int, bool):
for command in commands:
try:
return len(check_output(command.split(" ")).decode("utf-8").split("\n")) - 1
except FileNotFoundError:
pass
return False