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Fixed detached mode of execute and updated its docstring.

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This commit is contained in:
Lukáš Mandák 2015-09-25 13:55:56 +02:00
parent b1341741cc
commit 97e2ad7bba
1 changed files with 14 additions and 10 deletions
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22
i3pystatus/core/command.py
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@ -40,21 +40,25 @@ def run_through_shell(command, enable_shell=False):
def execute(command, detach=False): def execute(command, detach=False):
""" """
Runs a command in background. Runs a command in background. No output is retrieved. Useful for running GUI
No output is retrieved. applications that would block click events.
Useful for running GUI applications that would block click events.
:param detach If set to `True` the application will be executed using the :param command: A string or a list of strings containing the name and
`i3-msg` command (survives i3 in-place restart). arguments of the program.
:param detach: If set to `True` the program will be executed using the
`i3-msg` command. As a result the program is executed independent of
i3pystatus as a child of i3 process. Because of how i3-msg parses its
arguments the type of `command` is limited to string in this mode.
""" """
if detach:
if not isinstance(command, str):
raise TypeError("Detached mode expects a string as command.")
command = ["i3-msg", "exec", command]
else:
if not isinstance(command, list): if not isinstance(command, list):
command = command.split() command = command.split()
if detach:
command.insert(0, "exec")
command.insert(0, "i3-msg")
try: try:
subprocess.Popen(command, stdin=subprocess.DEVNULL, subprocess.Popen(command, stdin=subprocess.DEVNULL,
stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL) stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)