- )
- for char in iter(lambda: p.stdout.read(1), b''):
- sys.stdout.buffer.write(char)
- if char in line_enders:
- sys.stdout.flush()
- p.wait()
+ ) as p:
+ sel.register(p.stdout, selectors.EVENT_READ)
+ sel.register(p.stderr, selectors.EVENT_READ)
+ done = False
+ while not done:
+ for key, _ in sel.select():
+ char = key.fileobj.read(1)
+ if not char:
+ sel.unregister(key.fileobj)
+ if len(sel.get_map()) == 0:
+ sys.stdout.flush()
+ sys.stderr.flush()
+ sel.close()
+ done = True
+ if key.fileobj is p.stdout:
+ # sys.stdout.buffer.write(char)
+ os.write(sys.stdout.fileno(), char)
+ if char in line_enders:
+ sys.stdout.flush()
+ else:
+ # sys.stderr.buffer.write(char)
+ os.write(sys.stderr.fileno(), char)
+ if char in line_enders:
+ sys.stderr.flush()
+ p.wait()
+ return p.returncode