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import asyncio
import atexit
import base64
import glob
import io
import json
import os
import queue
import re
import shutil
import signal
import subprocess
import sys
import time
import uuid
from pathlib import Path
from typing import Dict, Optional
import matplotlib
import PIL.Image
from jupyter_client import BlockingKernelClient
sys.path.insert(0, str(Path(__file__).absolute().parent.parent.parent)) # NOQA
from qwen_agent.log import logger # NOQA
from qwen_agent.utils.utils import extract_code, print_traceback # NOQA
WORK_DIR = os.getenv('M6_CODE_INTERPRETER_WORK_DIR', '/tmp/m6_ci_workspace')
STATIC_URL = os.getenv('M6_CODE_INTERPRETER_STATIC_URL',
'http://127.0.0.1:7866/static')
LAUNCH_KERNEL_PY = """
from ipykernel import kernelapp as app
app.launch_new_instance()
"""
INIT_CODE_FILE = str(
Path(__file__).absolute().parent / 'resource' /
'code_interpreter_init_kernel.py')
ALIB_FONT_FILE = str(
Path(__file__).absolute().parent / 'resource' /
'AlibabaPuHuiTi-3-45-Light.ttf')
_KERNEL_CLIENTS: Dict[int, BlockingKernelClient] = {}
def _start_kernel(pid) -> BlockingKernelClient:
connection_file = os.path.join(WORK_DIR,
f'kernel_connection_file_{pid}.json')
launch_kernel_script = os.path.join(WORK_DIR, f'launch_kernel_{pid}.py')
for f in [connection_file, launch_kernel_script]:
if os.path.exists(f):
logger.info(f'WARNING: {f} already exists')
os.remove(f)
os.makedirs(WORK_DIR, exist_ok=True)
with open(launch_kernel_script, 'w') as fout:
fout.write(LAUNCH_KERNEL_PY)
kernel_process = subprocess.Popen([
sys.executable,
launch_kernel_script,
'--IPKernelApp.connection_file',
connection_file,
'--matplotlib=inline',
'--quiet',
],
cwd=WORK_DIR)
logger.info(f"INFO: kernel process's PID = {kernel_process.pid}")
# Wait for kernel connection file to be written
while True:
if not os.path.isfile(connection_file):
time.sleep(0.1)
else:
# Keep looping if JSON parsing fails, file may be partially written
try:
with open(connection_file, 'r') as fp:
json.load(fp)
break
except json.JSONDecodeError:
pass
# Client
kc = BlockingKernelClient(connection_file=connection_file)
asyncio.set_event_loop_policy(asyncio.DefaultEventLoopPolicy())
kc.load_connection_file()
kc.start_channels()
kc.wait_for_ready()
return kc
def _kill_kernels():
for v in _KERNEL_CLIENTS.values():
v.shutdown()
for k in list(_KERNEL_CLIENTS.keys()):
del _KERNEL_CLIENTS[k]
atexit.register(_kill_kernels)
signal.signal(signal.SIGTERM, _kill_kernels)
signal.signal(signal.SIGINT, _kill_kernels)
def _serve_image(image_base64: str) -> str:
image_file = f'{uuid.uuid4()}.png'
local_image_file = os.path.join(WORK_DIR, image_file)
png_bytes = base64.b64decode(image_base64)
assert isinstance(png_bytes, bytes)
bytes_io = io.BytesIO(png_bytes)
PIL.Image.open(bytes_io).save(local_image_file, 'png')
image_url = f'{STATIC_URL}/{image_file}'
return image_url
def _escape_ansi(line: str) -> str:
ansi_escape = re.compile(r'(?:\x1B[@-_]|[\x80-\x9F])[0-?]*[ -/]*[@-~]')
return ansi_escape.sub('', line)
def _execute_code(kc: BlockingKernelClient, code: str) -> str:
kc.wait_for_ready()
kc.execute(code)
result = ''
image_idx = 0
while True:
text = ''
image = ''
finished = False
msg_type = 'error'
try:
msg = kc.get_iopub_msg()
msg_type = msg['msg_type']
if msg_type == 'status':
if msg['content'].get('execution_state') == 'idle':
finished = True
elif msg_type == 'execute_result':
text = msg['content']['data'].get('text/plain', '')
if 'image/png' in msg['content']['data']:
image_b64 = msg['content']['data']['image/png']
image_url = _serve_image(image_b64)
image_idx += 1
image = '' % (image_idx, image_url)
elif msg_type == 'display_data':
if 'image/png' in msg['content']['data']:
image_b64 = msg['content']['data']['image/png']
image_url = _serve_image(image_b64)
image_idx += 1
image = '' % (image_idx, image_url)
else:
text = msg['content']['data'].get('text/plain', '')
elif msg_type == 'stream':
msg_type = msg['content']['name'] # stdout, stderr
text = msg['content']['text']
elif msg_type == 'error':
text = _escape_ansi('\n'.join(msg['content']['traceback']))
if 'M6_CODE_INTERPRETER_TIMEOUT' in text:
text = 'Timeout: Code execution exceeded the time limit.'
except queue.Empty:
text = 'Timeout: Code execution exceeded the time limit.'
finished = True
except Exception:
text = 'The code interpreter encountered an unexpected error.'
print_traceback()
finished = True
if text:
result += f'\n\n{msg_type}:\n\n```\n{text}\n```'
if image:
result += f'\n\n{image}'
if finished:
break
result = result.lstrip('\n')
return result
def _fix_matplotlib_cjk_font_issue():
ttf_name = os.path.basename(ALIB_FONT_FILE)
local_ttf = os.path.join(
os.path.abspath(
os.path.join(matplotlib.matplotlib_fname(), os.path.pardir)),
'fonts', 'ttf', ttf_name)
if not os.path.exists(local_ttf):
try:
shutil.copy(ALIB_FONT_FILE, local_ttf)
font_list_cache = os.path.join(matplotlib.get_cachedir(),
'fontlist-*.json')
for cache_file in glob.glob(font_list_cache):
with open(cache_file) as fin:
cache_content = fin.read()
if ttf_name not in cache_content:
os.remove(cache_file)
except Exception:
print_traceback()
def code_interpreter(action_input: str, timeout: Optional[int] = 30) -> str:
code = extract_code(action_input)
if not code.strip():
return ''
pid: int = os.getpid()
if pid in _KERNEL_CLIENTS:
kc = _KERNEL_CLIENTS[pid]
else:
_fix_matplotlib_cjk_font_issue()
kc = _start_kernel(pid)
with open(INIT_CODE_FILE) as fin:
start_code = fin.read()
start_code = start_code.replace('{{M6_FONT_PATH}}',
repr(ALIB_FONT_FILE)[1:-1])
logger.info(_execute_code(kc, start_code))
_KERNEL_CLIENTS[pid] = kc
if timeout:
code = f'_M6CountdownTimer.start({timeout})\n{code}'
fixed_code = []
for line in code.split('\n'):
fixed_code.append(line)
if line.startswith('sns.set_theme('):
fixed_code.append(
'plt.rcParams["font.family"] = _m6_font_prop.get_name()')
fixed_code = '\n'.join(fixed_code)
result = _execute_code(kc, fixed_code)
if timeout:
_execute_code(kc, '_M6CountdownTimer.cancel()')
return result
def _get_multiline_input(hint: str) -> str:
logger.info(
'// Press ENTER to make a new line. Press CTRL-D to end input.')
lines = []
while True:
try:
line = input()
except EOFError: # CTRL-D
break
lines.append(line)
logger.info('// Input received.')
if lines:
return '\n'.join(lines)
else:
return ''
if __name__ == '__main__':
while True:
logger.info(
code_interpreter(_get_multiline_input('Enter python code:')))
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