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pretty sure i fucked up

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This commit is contained in:
Felix Pankratz 2025-07-27 14:00:18 +02:00
commit b5e09107da
3 changed files with 148 additions and 68 deletions
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87
kitty.py
View File

@ -1,21 +1,18 @@
#!/usr/bin/env python3
from base64 import standard_b64encode
from enum import Enum
import array
import asyncio
import fcntl
import mmap
import os
import re
import select
import sys
import termios
import tty
from base64 import standard_b64encode
import array
import fcntl
import zlib
import mmap
import os
import select
from enum import Enum
from terminalio import TerminalIO
SHM_NAME = "/kitty-shm-frame"
@ -26,6 +23,10 @@ class Kitty_Format(Enum):
RGBA = 32
PNG = 100
class TerminalProtocolError(Exception):
pass
class Terminal():
def __init__(self):
self.terminal_io = TerminalIO()
@ -42,7 +43,6 @@ class Terminal():
async def get_terminal_cell_size(self) -> tuple[int, int]:
"""Get (height, width) of a single cell in px"""
reply = await self._query_terminal("\x1b[16t", "t")
match = re.search(r"\[6;(\d+);(\d+)t", reply)
if match:
v_pix, h_pix = map(int, match.groups())
@ -54,7 +54,6 @@ class Terminal():
async def get_terminal_size_pixel(self) -> tuple[int, int]:
"""Get (height, width) of the terminal in px"""
reply = await self._query_terminal("\x1b[14t", "t")
match = re.search(r"\[4;(\d+);(\d+)t", reply)
if match:
height, width = map(int, match.groups())
@ -120,7 +119,7 @@ class Terminal():
# set shm name as payload
data = SHM_NAME
await _write_chunked(**kwargs, data=data)
await _write_chunked(**kwargs, data=data, wait_for_ok=True if use_shm else False)
await asyncio.sleep(0.001)
async def _query_terminal(self, escape: str, endchar: str) -> str:
@ -128,7 +127,6 @@ class Terminal():
Send `escape` to the terminal, read the response until
`endchar`, return response (including `endchar`)
"""
# Save the current terminal settings
loop = asyncio.get_running_loop()
fd = sys.stdin.fileno()
old_settings = termios.tcgetattr(fd)
@ -151,6 +149,24 @@ class Terminal():
termios.tcsetattr(fd, termios.TCSANOW, old_settings)
return response
async def _write_chunked(self, wait_for_ok: bool = True, **cmd) -> None:
image_id = cmd['i']
if cmd["t"] == "s":
data = standard_b64encode(bytes(cmd.pop("data"), "utf-8"))
else:
data = standard_b64encode(cmd.pop("data"))
while data:
chunk, data = data[:4096], data[4096:]
m = 1 if data else 0
payload = _serialize_gr_command(payload=chunk, m=m, **cmd)
sys.stdout.buffer.write(payload)
sys.stdout.flush()
cmd.clear()
if wait_for_ok:
# Wait for terminal to confirm OK response
await self.terminal_io.wait_for_ok()
def _mmap(np_image, width: int, height: int) -> None:
"""Write image data to shared memory"""
shm_size = width * height * 4 # RGBA
@ -205,11 +221,33 @@ def _serialize_gr_command(**cmd) -> bytes:
return b"".join(ans)
async def _write_chunked(**cmd) -> None:
#async def _write_chunked(**cmd) -> None:
# if cmd["t"] == "s":
# data = standard_b64encode(bytes(cmd.pop("data"), "utf-8"))
# else:
# data = standard_b64encode(cmd.pop("data"))
# while data:
# chunk, data = data[:4096], data[4096:]
# m = 1 if data else 0
# payload = _serialize_gr_command(payload=chunk, m=m, **cmd)
# sys.stdout.buffer.write(payload)
# sys.stdout.flush()
# cmd.clear()
async def _write_chunked(wait_for_ok: bool = True, **cmd) -> None:
image_id = cmd['i']
if cmd["t"] == "s":
data = standard_b64encode(bytes(cmd.pop("data"), "utf-8"))
else:
data = standard_b64encode(cmd.pop("data"))
fd = sys.stdin.fileno()
old_settings = termios.tcgetattr(fd)
tty.setraw(fd)
loop = asyncio.get_running_loop()
try:
while data:
chunk, data = data[:4096], data[4096:]
m = 1 if data else 0
@ -218,6 +256,25 @@ async def _write_chunked(**cmd) -> None:
sys.stdout.flush()
cmd.clear()
if wait_for_ok:
# Wait for terminal to confirm OK response
response = os.read(fd, 1024).decode("utf-8", "ignore")
if not response.startswith(f"\033_Gi={image_id};OK"):
return
#raise RuntimeError(f"Unexpected response: {repr(response)}")
#return response.startswith("\033_GOK")
# def _read_ok():
# response = ""
# while not response.endswith("\033\\"):
# response += sys.stdin.read(1)
# return response
# response = await loop.run_in_executor(None, _read_ok)
# if not response.startswith(f"\033_Gi={image_id};OK"):
# raise RuntimeError(f"Unexpected response: {repr(response)}")
finally:
termios.tcsetattr(fd, termios.TCSADRAIN, old_settings)
def _write_stdout(cmd: str) -> None:
"""Write a command string to stdout and flush."""
sys.stdout.write(cmd)

3
terminalio.py
View File

@ -56,7 +56,7 @@ class TerminalIO:
self._buffer += char
if self._buffer.endswith("\033\\"):
#if "\033_GOK" in self._buffer:
if re.search('\033_G(i=\d+;)?OK', self._buffer):
if re.search('\033_G(i=\\d+;)?OK', self._buffer):
self.ok_event.set()
self._buffer = ""
continue
@ -65,4 +65,5 @@ class TerminalIO:
if not char.startswith("\033"):
for callback in self.input_callbacks:
callback(char)
await asyncio.sleep(0.01)

84
terminalplotter.py
View File

@ -29,12 +29,13 @@ class TerminalPlotter(pv.Plotter):
self.set_background([0.0, 0.0, 0.0])
self.ren_win.SetAlphaBitPlanes(1)
self.ren_win.SetMultiSamples(0)
self.terminal = kitty.Terminal()
async def initialize(self):
h_pix, _ = await kitty.get_terminal_cell_size()
self.rows, _ = kitty.get_terminal_size()
self.start_y, self.start_x = await kitty.get_position()
h_pix, _ = await self.terminal.get_terminal_cell_size()
self.rows, _ = self.terminal.get_terminal_size()
self.start_y, self.start_x = await self.terminal.get_position()
self.needed_lines = math.ceil(self.height / h_pix)
# Add vertical space if needed
@ -42,10 +43,10 @@ class TerminalPlotter(pv.Plotter):
missing = self.needed_lines - (self.rows - self.start_y)
self.start_y -= missing
print("\n" * self.needed_lines, end="")
kitty.set_position(self.start_y, self.start_x)
self.terminal.set_position(self.start_y, self.start_x)
self.orbit = self.generate_orbital_path()
async def _handle_key(self, c):
def _handle_key(c):
if c == "a":
self.camera.Azimuth(10)
elif c == "d":
@ -60,23 +61,43 @@ class TerminalPlotter(pv.Plotter):
self.camera.zoom(0.9)
elif c == "p":
self.fly_to(self.orbit.points[15])
async def _input_loop(self):
fd = sys.stdin.fileno()
old_settings = termios.tcgetattr(fd)
try:
tty.setcbreak(fd)
while self._running:
rlist, _, _ = select.select([sys.stdin], [], [], 0)
if rlist:
c = sys.stdin.read(1)
if c == "q": # quit on q
elif c == "q":
self._running = False
else:
await self._handle_key(c)
await asyncio.sleep(0.001)
finally:
termios.tcsetattr(fd, termios.TCSADRAIN, old_settings)
self.terminal.terminal_io.register_input_callback(_handle_key)
# async def _handle_key(self, c):
# if c == "a":
# self.camera.Azimuth(10)
# elif c == "d":
# self.camera.Azimuth(-10)
# elif c == "w":
# self.camera.Elevation(10)
# elif c == "s":
# self.camera.Elevation(-10)
# elif c == "+":
# self.camera.zoom(1.1)
# elif c == "-":
# self.camera.zoom(0.9)
# elif c == "p":
# self.fly_to(self.orbit.points[15])
#async def _input_loop(self):
# fd = sys.stdin.fileno()
# old_settings = termios.tcgetattr(fd)
# try:
# tty.setcbreak(fd)
# while self._running:
# rlist, _, _ = select.select([sys.stdin], [], [], 0)
# if rlist:
# c = sys.stdin.read(1)
# if c == "q": # quit on q
# self._running = False
# else:
# await self._handle_key(c)
# await asyncio.sleep(0.001)
# finally:
# termios.tcsetattr(fd, termios.TCSADRAIN, old_settings)
async def _render_loop(self):
import time
@ -93,22 +114,23 @@ class TerminalPlotter(pv.Plotter):
np_image = numpy_support.vtk_to_numpy(vtk_array).reshape(height, width, 4)
np_image = np_image[::-1] # Flip vertically
np_image = np.ascontiguousarray(np_image) # Ensure memory layout is C-contiguous
print("Render & copy:", time.perf_counter() - start)
#print("Render & copy:", time.perf_counter() - start)
#await kitty.draw_to_terminal(np_image, width, height, compress=True)
await kitty.draw_to_terminal(np_image, width, height, use_shm=True)
print("Draw:", time.perf_counter() - start)
kitty.set_position(self.start_y, self.start_x)
#await self.terminal.draw_to_terminal(np_image, width, height, compress=True)
await self.terminal.draw(np_image, width, height, use_shm=True)
#print("Draw:", time.perf_counter() - start)
self.terminal.set_position(self.start_y, self.start_x)
self.camera.Azimuth(1)
async def run(self):
await self.initialize()
self.iren.initialize()
tasks = [
asyncio.create_task(self._input_loop()),
asyncio.create_task(self._render_loop()),
]
await asyncio.wait(tasks, return_when=asyncio.FIRST_COMPLETED)
#tasks = [
# #asyncio.create_task(self._input_loop()),
# asyncio.create_task(self._render_loop()),
#]
#await asyncio.wait(tasks, return_when=asyncio.FIRST_COMPLETED)
await self._render_loop()
self._running = False
async def main():