lollms-webui/utilities/execution_engines/latex_execution_engine.py
2024-01-11 23:14:30 +01:00

81 lines
3.5 KiB
Python

"""
project: lollms_webui
file: latex_execution_engine.py
author: ParisNeo
description:
This is a utility for executing latex code
"""
from fastapi import APIRouter, Request, routing
from lollms_webui import LOLLMSWebUI
from pydantic import BaseModel
from starlette.responses import StreamingResponse
from lollms.types import MSG_TYPE
from lollms.main_config import BaseConfig
from ascii_colors import get_trace_exception, trace_exception
from ascii_colors import ASCIIColors
from api.db import DiscussionsDB
from pathlib import Path
from safe_store.text_vectorizer import TextVectorizer, VectorizationMethod, VisualizationMethod
import tqdm
from fastapi import FastAPI, UploadFile, File
import shutil
import time
import subprocess
import json
lollmsElfServer:LOLLMSWebUI = LOLLMSWebUI.get_instance()
def execute_latex(code, discussion_id, message_id):
def spawn_process(code):
"""Executes Python code and returns the output as JSON."""
# Start the timer.
start_time = time.time()
# Create a temporary file.
root_folder = lollmsElfServer.lollms_paths.personal_outputs_path/"discussions"/f"d_{discussion_id}"
root_folder.mkdir(parents=True,exist_ok=True)
tmp_file = root_folder/f"latex_file_{message_id}.tex"
with open(tmp_file,"w",encoding="utf8") as f:
f.write(code)
try:
# Determine the pdflatex command based on the provided or default path
if lollmsElfServer.config.pdf_latex_path:
pdflatex_command = lollmsElfServer.config.pdf_latex_path
else:
pdflatex_command = 'pdflatex'
# Set the execution path to the folder containing the tmp_file
execution_path = tmp_file.parent
# Run the pdflatex command with the file path
result = subprocess.run([pdflatex_command, "-interaction=nonstopmode", tmp_file], check=True, capture_output=True, text=True, cwd=execution_path)
# Check the return code of the pdflatex command
if result.returncode != 0:
error_message = result.stderr.strip()
execution_time = time.time() - start_time
error_json = {"output": f"Error occurred while compiling LaTeX: {error_message}", "execution_time": execution_time}
return error_json
# If the compilation is successful, you will get a PDF file
pdf_file = tmp_file.with_suffix('.pdf')
print(f"PDF file generated: {pdf_file}")
except subprocess.CalledProcessError as ex:
lollmsElfServer.error(f"Error occurred while compiling LaTeX: {ex}")
execution_time = time.time() - start_time
error_json = {"output": "<div class='text-red-500'>"+str(ex)+"\n"+get_trace_exception(ex)+"</div>", "execution_time": execution_time}
return error_json
# Stop the timer.
execution_time = time.time() - start_time
# The child process was successful.
pdf_file=str(pdf_file).replace("\\","/")
if not "http" in lollmsElfServer.config.host:
host = "http://"+lollmsElfServer.config.host
else:
host = lollmsElfServer.config.host
url = f"{host}:{lollmsElfServer.config.port}/{pdf_file[pdf_file.index('outputs'):]}"
output_json = {"output": f"Pdf file generated at: {pdf_file}\n<a href='{url}'>Click here to show</a>", "execution_time": execution_time}
return output_json
return spawn_process(code)