plasma1 / app.py
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Update app.py
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import asyncio
import json
import os
import shutil
import subprocess
import time
import logging
import concurrent.futures
import threading
import numpy as np
import uuid
import psutil
from aiohttp import web
from aiortc import RTCPeerConnection, RTCSessionDescription, VideoStreamTrack, RTCIceServer, RTCConfiguration
from av import VideoFrame
import mss
HOST = "0.0.0.0"
PORT = 7860
DISPLAY_NUM = ":99"
MAX_WIDTH = 3840
MAX_HEIGHT = 2160
DEFAULT_WIDTH = 1280
DEFAULT_HEIGHT = 720
TURN_USER = "g08abe68c81a07f098bb5f0914549bb32440e5aad0b216c7fba2b61e76fd62c6"
TURN_PASS = "aed1a10dd10eba9401ad9d99e5c66036d8a970eab5ba8e6dc9845ab57c771a7d"
logging.basicConfig(level=logging.WARNING)
logger = logging.getLogger("WebRTC-Antigravity")
executor = concurrent.futures.ThreadPoolExecutor(max_workers=16)
thread_local_storage = threading.local()
config = {
"width": DEFAULT_WIDTH,
"height": DEFAULT_HEIGHT
}
class InputManager:
def __init__(self):
self.process = None
self.lock = threading.Lock()
self.scroll_accum = 0
def start_process(self):
if not os.environ.get("DISPLAY"):
return
try:
self.process = subprocess.Popen(
['xdotool', '-'],
stdin=subprocess.PIPE,
encoding='utf-8',
bufsize=0
)
except Exception as e:
logger.error(f"Failed to start xdotool: {e}")
def _send_raw(self, command):
if self.process is None or self.process.poll() is not None:
self.start_process()
if self.process:
try:
self.process.stdin.write(command + "\n")
self.process.stdin.flush()
except Exception:
try: self.process.kill()
except: pass
self.process = None
def send(self, command):
with self.lock:
self._send_raw(command)
def scroll(self, dy):
with self.lock:
self.scroll_accum += dy
THRESHOLD = 40
while self.scroll_accum >= THRESHOLD:
self._send_raw("click 5")
self.scroll_accum -= THRESHOLD
while self.scroll_accum <= -THRESHOLD:
self._send_raw("click 4")
self.scroll_accum += THRESHOLD
def mouse_move(self, x, y): self.send(f"mousemove {x} {y}")
def mouse_down(self, btn): self.send(f"mousedown {btn}")
def mouse_up(self, btn): self.send(f"mouseup {btn}")
def click(self, btn, repeat=1): self.send(f"click --repeat {repeat} {btn}")
def key_down(self, key): self.send(f"keydown {key}")
def key_up(self, key): self.send(f"keyup {key}")
input_manager = InputManager()
def start_system():
os.environ["DISPLAY"] = DISPLAY_NUM
if not shutil.which("Xvfb"): raise FileNotFoundError("Xvfb missing")
subprocess.Popen([
"Xvfb", DISPLAY_NUM,
"-screen", "0", f"{MAX_WIDTH}x{MAX_HEIGHT}x24",
"-ac", "-noreset"
])
time.sleep(3)
input_manager.start_process()
set_resolution(DEFAULT_WIDTH, DEFAULT_HEIGHT)
if shutil.which("matchbox-window-manager"):
subprocess.Popen("matchbox-window-manager -use_titlebar no", shell=True)
threading.Thread(target=maintain_antigravity, daemon=True).start()
def maintain_antigravity():
while True:
antigravity_running = False
for proc in psutil.process_iter(['name']):
try:
# Check for exact name 'antigravity'
if 'antigravity' in proc.info['name']:
antigravity_running = True
break
except (psutil.NoSuchProcess, psutil.AccessDenied, psutil.ZombieProcess):
pass
if not antigravity_running:
logger.warning("Antigravity not found. Launching...")
# We assume the binary is simply named 'antigravity' and available in PATH
try:
subprocess.Popen(["antigravity"])
time.sleep(5)
except Exception as e:
logger.error(f"Failed to launch antigravity: {e}")
time.sleep(2)
def get_xrandr_output_name():
try:
out = subprocess.check_output(["xrandr"]).decode()
for line in out.splitlines():
if " connected" in line:
return line.split()[0]
except: pass
return "screen"
def get_cvt_modeline(width, height, rate=60):
H_BLANK = 160
H_SYNC = 32
H_FRONT_PORCH = 48
V_FRONT_PORCH = 3
V_SYNC = 5
MIN_V_BLANK = 460
frame_time_us = 1000000.0 / rate
active_time_us = frame_time_us - MIN_V_BLANK
if active_time_us <= 0: return None
h_period_us = active_time_us / height
v_blank_lines = int(MIN_V_BLANK / h_period_us) + 1
v_total = height + v_blank_lines
h_total = width + H_BLANK
pclk = (h_total * v_total * rate) / 1000000.0
h_sync_start = width + H_FRONT_PORCH
h_sync_end = h_sync_start + H_SYNC
v_sync_start = height + V_FRONT_PORCH
v_sync_end = v_sync_start + V_SYNC
return f'"{width}x{height}_60.00" {pclk:.2f} {width} {h_sync_start} {h_sync_end} {h_total} {height} {v_sync_start} {v_sync_end} {v_total} +hsync -vsync'
def set_resolution(w, h):
try:
if w % 2 != 0: w += 1
if h % 2 != 0: h += 1
output = get_xrandr_output_name()
mode_name = f"WEB_{w}x{h}_{str(uuid.uuid4())[:4]}"
modeline_str = get_cvt_modeline(w, h)
if not modeline_str: return
parts = modeline_str.split()
mode_params = parts[1:]
subprocess.run(["xrandr", "--newmode", mode_name] + mode_params, check=True)
subprocess.run(["xrandr", "--addmode", output, mode_name], check=True)
subprocess.run(["xrandr", "--output", output, "--mode", mode_name], check=True)
config["width"] = w
config["height"] = h
except Exception as e:
logger.error(f"Resolution setup failed: {e}")
class VirtualScreenTrack(VideoStreamTrack):
kind = "video"
def __init__(self):
super().__init__()
self.last_frame_time = 0
self.frame_count = 0
def _capture(self):
try:
if not hasattr(thread_local_storage, "sct"):
thread_local_storage.sct = mss.mss()
monitor = {"top": 0, "left": 0, "width": config["width"], "height": config["height"]}
sct_img = thread_local_storage.sct.grab(monitor)
img = np.array(sct_img)
return img[..., :3]
except: return None
async def recv(self):
FPS = 30
FRAME_TIME = 1.0 / FPS
pts, time_base = await self.next_timestamp()
current_time = time.time()
wait = FRAME_TIME - (current_time - self.last_frame_time)
if wait > 0:
await asyncio.sleep(wait)
self.last_frame_time = time.time()
frame = await asyncio.get_event_loop().run_in_executor(executor, self._capture)
if frame is None:
blank = np.zeros((config["height"], config["width"], 3), dtype=np.uint8)
av_frame = VideoFrame.from_ndarray(blank, format="bgr24")
else:
av_frame = VideoFrame.from_ndarray(frame, format="bgr24")
av_frame.pts = pts
av_frame.time_base = time_base
return av_frame
def map_key(key):
if key == " ": return "space"
k = key.lower()
charmap = {
"control": "ctrl", "shift": "shift", "alt": "alt", "meta": "super", "cmd": "super",
"enter": "Return", "backspace": "BackSpace", "tab": "Tab", "escape": "Escape",
"arrowup": "Up", "arrowdown": "Down", "arrowleft": "Left", "arrowright": "Right",
"home": "Home", "end": "End", "pageup": "Page_Up", "pagedown": "Page_Down",
"delete": "Delete", "insert": "Insert",
"f1": "F1", "f2": "F2", "f3": "F3", "f4": "F4", "f5": "F5", "f6": "F6",
"f7": "F7", "f8": "F8", "f9": "F9", "f10": "F10", "f11": "F11", "f12": "F12",
"!": "exclam", "@": "at", "#": "numbersign", "$": "dollar", "%": "percent",
"^": "asciicircum", "&": "ampersand", "*": "asterisk", "(": "parenleft",
")": "parenright", "-": "minus", "_": "underscore", "=": "equal", "+": "plus",
"[": "bracketleft", "{": "braceleft", "]": "bracketright", "}": "braceright",
";": "semicolon", ":": "colon", "'": "apostrophe", "\"": "quotedbl",
",": "comma", "<": "less", ".": "period", ">": "greater", "/": "slash",
"?": "question", "\\": "backslash", "|": "bar", "`": "grave", "~": "asciitilde",
" ": "space"
}
return charmap.get(k, k)
def process_input(data):
try:
msg = json.loads(data)
t = msg.get("type")
current_w = config["width"]
current_h = config["height"]
if t == "resize":
target_w = int(msg.get("width"))
target_h = int(msg.get("height"))
set_resolution(target_w, target_h)
elif t == "mousemove":
input_manager.mouse_move(int(msg["x"] * current_w), int(msg["y"] * current_h))
elif t == "mousedown":
input_manager.mouse_down({0:1, 1:2, 2:3}.get(msg.get("button"), 1))
elif t == "mouseup":
input_manager.mouse_up({0:1, 1:2, 2:3}.get(msg.get("button"), 1))
elif t == "wheel":
input_manager.scroll(msg.get("deltaY", 0))
elif t == "keydown":
k = map_key(msg.get("key"))
if k: input_manager.key_down(k)
elif t == "keyup":
k = map_key(msg.get("key"))
if k: input_manager.key_up(k)
except Exception:
pass
async def offer(request):
try:
params = await request.json()
offer = RTCSessionDescription(sdp=params["sdp"], type=params["type"])
except: return web.Response(status=400)
pc = RTCPeerConnection(RTCConfiguration(iceServers=[
RTCIceServer(urls=["turns:turn.cloudflare.com:443?transport=tcp", "turn:turn.cloudflare.com:3478?transport=udp"], username=TURN_USER, credential=TURN_PASS),
RTCIceServer(urls=["stun:stun.l.google.com:19302"])
]))
pcs.add(pc)
@pc.on("connectionstatechange")
async def on_state():
if pc.connectionState in ["failed", "closed"]:
await pc.close()
pcs.discard(pc)
@pc.on("datachannel")
def on_dc(channel):
channel.on("message", lambda m: asyncio.get_event_loop().run_in_executor(executor, process_input, m))
pc.addTrack(VirtualScreenTrack())
await pc.setRemoteDescription(offer)
answer = await pc.createAnswer()
await pc.setLocalDescription(answer)
sdp = "\r\n".join([l for l in pc.localDescription.sdp.splitlines() if "a=candidate" not in l or "typ relay" in l]) + "\r\n"
return web.Response(content_type="application/json", text=json.dumps({"sdp": sdp, "type": pc.localDescription.type}), headers={"Access-Control-Allow-Origin": "*"})
async def index(r): return web.Response(text="helloworld")
async def options(r): return web.Response(headers={"Access-Control-Allow-Origin": "*", "Access-Control-Allow-Methods": "POST, OPTIONS", "Access-Control-Allow-Headers": "Content-Type"})
pcs = set()
async def on_shutdown(app): await asyncio.gather(*[pc.close() for pc in pcs])
if __name__ == "__main__":
start_system()
app = web.Application()
app.on_shutdown.append(on_shutdown)
app.router.add_get("/", index)
app.router.add_post("/offer", offer)
app.router.add_options("/offer", options)
web.run_app(app, host=HOST, port=PORT)