the trees are giving up on us shows.rabbitfrost.com | he/him
![Webpage with a minecraft server log, a chat box, and a commands box. The page shows one user online in an RCON session and two users online in the server. The highlighted chat reads:
"[Rcon] [reece]: woah big progress \
[Rcon] [Flop...]: Putting my phone on a high shelf for an hour to get work done
[Rcon] [reece]: you are stronger than i
<Max..._> i am playing minecraft
<123B...> i am playing minecraft
[Rcon] [Flop...]: Goodbye… 😿"](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:3aiguoirj6d7junactldeeos/bafkreiez6dqpjgrwdpzwkkqc6jqtiykaamt56qpkdtgnr65iq77rezfmci)
![Even so, the jump in capability is exciting, says Yoshikatsu Hayashi at the University of Reading, UK, and brings us significantly closer to useful real-world applications, such as controlling a robotic arm with biological computers, a task which Hayashi and his colleagues are attempting with a similar computer made from jelly-like hydrogel. “[Playing Doom] is like a simpler version of controlling a whole arm,” says Hayashi.](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:3aiguoirj6d7junactldeeos/bafkreidandm5yylsz4be4sm4isrmvooemdoc362d342wzdaeoadicmqjfe)
![MAX_SUBPROCESSES = 100 # handle subprocesses in batches of this many
active_subprocesses = 0
try:
with open("filecache.json") as f:
FILECACHE = json.load(f)
except FileNotFoundError:
FILECACHE = {}
def file_cache(func):
"""Wrap an awaitable function with a to-disk cache."""
@functools.wraps(func)
async def inner(*args, **kwargs):
if kwargs.get("nocache", False):
return await func(*args, **kwargs)
key = str((str(args), str(kwargs)))
if func.__name__ in FILECACHE:
if key in FILECACHE[func.__name__]:
return FILECACHE[func.__name__][key]
else:
FILECACHE[func.__name__] = {}
result = await func(*args, **kwargs)
FILECACHE[func.__name__][key] = result
try:
with open("filecache.json~", 'w') as f:
json.dump(FILECACHE, f)
except Exception:
del FILECACHE[func.__name__][key]
else:
os.rename("filecache.json~", "filecache.json")
return result
return inner
@file_cache
async def run_command(cmd):
"""Run a subprocess asynchronously. Wait until fewer than MAX_SUBPROCESSES are running."""
global active_subprocesses
while active_subprocesses >= MAX_SUBPROCESSES:
await asyncio.sleep(.1)
active_subprocesses += 1
proc = await asyncio.create_subprocess_shell(
cmd,
stdout=asyncio.subprocess.PIPE,
stderr=asyncio.subprocess.STDOUT,
shell=True,
)
stdout, _ = await proc.communicate()
active_subprocesses -= 1
return stdout.decode()](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:3aiguoirj6d7junactldeeos/bafkreihjn2e4e77c3iuaynpzf5znlpq6xf6joar7yfvpq7plsmbu4lov3m)
the trees are giving up on us shows.rabbitfrost.com | he/him