__author__ = "Vanessa Sochat"
__copyright__ = "Copyright 2022, Vanessa Sochat"
__license__ = "MPL 2.0"
import os
from subprocess import PIPE, STDOUT, Popen
[docs]def get_installdir():
"""
get the installation directory of the application
"""
return os.path.abspath(os.path.dirname(os.path.dirname(__file__)))
[docs]def run_command(cmd, sudo=False, stream=False):
"""run_command uses subprocess to send a command to the terminal.
Parameters
==========
cmd: the command to send, should be a list for subprocess
error_message: the error message to give to user if fails,
if none specified, will alert that command failed.
"""
stdout = PIPE if not stream else None
if sudo is True:
cmd = ["sudo"] + cmd
try:
output = Popen(cmd, stderr=STDOUT, stdout=stdout)
except FileNotFoundError:
cmd.pop(0)
output = Popen(cmd, stderr=STDOUT, stdout=PIPE)
t = output.communicate()[0], output.returncode
output = {"message": t[0], "return_code": t[1]}
if isinstance(output["message"], bytes):
output["message"] = output["message"].decode("utf-8")
return output
[docs]def confirm_action(question, force=False):
"""confirm if the user wants to perform a certain action
Parameters
==========
question: the question that will be asked
force: if the user wants to skip the prompt
"""
if force is True:
return True
response = input(question + " (yes/no)? ")
while len(response) < 1 or response[0].lower().strip() not in "ynyesno":
response = input("Please answer yes or no: ")
if response[0].lower().strip() in "no":
return False
return True