Source code for i3pystatus.shell
from i3pystatus import IntervalModule
from i3pystatus.core.command import run_through_shell
[docs]class Shell(IntervalModule):
"""
Shows output of shell command
.. rubric:: Available formatters
* `{output}` — just the striped command output without newlines
"""
color = "#FFFFFF"
error_color = "#FF0000"
ignore_empty_stdout = False
settings = (
("command", "command to be executed"),
("ignore_empty_stdout", "Let the block be empty"),
("color", "standard color"),
("error_color", "color to use when non zero exit code is returned"),
"format"
)
required = ("command",)
format = "{output}"
def run(self):
retvalue, out, stderr = run_through_shell(self.command, enable_shell=True)
if retvalue != 0:
self.logger.error(stderr if stderr else "Unknown error")
if out:
out = out.replace("\n", " ").strip()
elif stderr:
out = stderr
full_text = self.format.format(output=out).strip()
if not full_text and not self.ignore_empty_stdout:
full_text = "Command `%s` returned %d" % (self.command, retvalue)
self.output = {
"full_text": full_text,
"color": self.color if retvalue == 0 else self.error_color
}