def run(cmd):
""" Execute shell command in detached mdoe."""
proc = Popen([cmd], stdout=PIPE, stderr=PIPE, shell=True)
ret, err = proc.communicate()
if err:
# ignore warnings in error stream
if "Warning" in err:
CLogger.warning(err.strip())
return err
raise PiBlinkerError(err)
else:
return ret
def warning(self, *args):
""" Print a debug message and notify the user with the LED."""
CLogger.warning(args[-1])
