53 lines
1.3 KiB
Python
53 lines
1.3 KiB
Python
import os
|
|
import subprocess
|
|
from common.basedir import BASEDIR
|
|
|
|
|
|
class Spinner():
|
|
def __init__(self):
|
|
try:
|
|
self.spinner_proc = subprocess.Popen(["./spinner"],
|
|
stdin=subprocess.PIPE,
|
|
cwd=os.path.join(BASEDIR, "selfdrive", "ui"),
|
|
close_fds=True)
|
|
except OSError:
|
|
self.spinner_proc = None
|
|
|
|
def __enter__(self):
|
|
return self
|
|
|
|
def update(self, spinner_text: str):
|
|
if self.spinner_proc is not None:
|
|
self.spinner_proc.stdin.write(spinner_text.encode('utf8') + b"\n")
|
|
try:
|
|
self.spinner_proc.stdin.flush()
|
|
except BrokenPipeError:
|
|
pass
|
|
|
|
def update_progress(self, cur: int, total: int):
|
|
self.update(str(round(100 * cur / total)))
|
|
|
|
def close(self):
|
|
if self.spinner_proc is not None:
|
|
try:
|
|
self.spinner_proc.stdin.close()
|
|
except BrokenPipeError:
|
|
pass
|
|
self.spinner_proc.terminate()
|
|
self.spinner_proc = None
|
|
|
|
def __del__(self):
|
|
self.close()
|
|
|
|
def __exit__(self, exc_type, exc_value, traceback):
|
|
self.close()
|
|
|
|
|
|
if __name__ == "__main__":
|
|
import time
|
|
with Spinner() as s:
|
|
s.update("Spinner text")
|
|
time.sleep(5.0)
|
|
print("gone")
|
|
time.sleep(5.0)
|