382 lines
No EOL
13 KiB
Python
382 lines
No EOL
13 KiB
Python
from flask import Flask, request, send_file, jsonify, Response
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import subprocess
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import os
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import time
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import threading
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import logging
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from pathlib import Path
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# Configure logging
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logging.basicConfig(level=logging.INFO,
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format='%(asctime)s - %(name)s - %(levelname)s - %(message)s')
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logger = logging.getLogger(__name__)
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app = Flask(__name__, static_folder='static')
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# Dictionary to store background task results
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task_results = {}
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# Ensure results folder exists
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def ensure_results_folder():
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results_dir = Path("results")
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if not results_dir.exists():
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results_dir.mkdir()
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return results_dir
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# Ensure static folder exists
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def ensure_static_folder():
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static_dir = Path("static")
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if not static_dir.exists():
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static_dir.mkdir()
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logger.info(f"Created static directory: {static_dir}")
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return static_dir
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@app.route('/')
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def index():
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return send_file('index.html')
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@app.route('/static/<path:filename>')
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def serve_static(filename):
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return send_file(os.path.join('static', filename))
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@app.route('/pdf-files')
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def pdf_files():
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try:
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# Get list of PDF files in the current directory
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pdf_files = [f for f in os.listdir('.') if f.endswith('.pdf')]
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logger.info(f"Found {len(pdf_files)} PDF files")
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return jsonify(pdf_files)
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except Exception as e:
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logger.error(f"Error listing PDF files: {str(e)}")
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return jsonify({"error": str(e)}), 500
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def run_command(task_id, command):
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"""Run a command in a background thread and store result"""
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logger.info(f"Running command: {command}")
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try:
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# Log the current working directory to help with debugging
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current_dir = os.getcwd()
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logger.info(f"Current working directory: {current_dir}")
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# Check if the script exists
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script_name = command.split()[1]
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if not os.path.exists(script_name):
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logger.error(f"Script not found: {script_name} in {current_dir}")
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task_results[task_id] = {
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'success': False,
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'error': f"Script not found: {script_name}. Make sure all scripts are in the same directory as app.py.",
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'done': True
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}
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return
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# Run the command with more detailed error capture
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# Important: Use pipe input to automatically answer "n" to the prompt
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process = subprocess.Popen(
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command,
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shell=True,
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stdin=subprocess.PIPE,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE,
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text=True,
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universal_newlines=True
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)
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# Send "n" to the process to bypass the "process all pages" prompt
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stdout, stderr = process.communicate(input="n\n")
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# Log the raw output for debugging
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logger.info(f"Command stdout: {stdout[:500]}...")
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if stderr:
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logger.error(f"Command stderr: {stderr}")
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# Update task result based on return code
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if process.returncode == 0:
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task_results[task_id] = {
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'success': True,
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'output': stdout,
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'done': True
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}
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logger.info(f"Command completed successfully: {task_id}")
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else:
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error_message = stderr or f"Command failed with return code {process.returncode}"
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task_results[task_id] = {
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'success': False,
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'error': error_message,
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'done': True
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}
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logger.error(f"Command failed: {task_id} - {error_message}")
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except Exception as e:
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import traceback
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logger.error(f"Unexpected error: {task_id} - {str(e)}")
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logger.error(traceback.format_exc())
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task_results[task_id] = {
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'success': False,
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'error': f"Exception: {str(e)}",
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'done': True
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}
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@app.route('/run-analyzer', methods=['POST'])
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def run_analyzer():
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try:
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pdf_file = request.form.get('pdf_file')
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page_num = request.form.get('page_num', 1)
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if not pdf_file:
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return jsonify({'success': False, 'error': 'PDF file not specified'}), 400
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# List files in current directory to help with debugging
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files = os.listdir('.')
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logger.info(f"Files in current directory: {files}")
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# Check if PDF exists
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if not os.path.exists(pdf_file):
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logger.error(f"PDF file not found: {pdf_file}")
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return jsonify({'success': False, 'error': f'PDF file not found: {pdf_file}'}), 400
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# Check if analyzer.py exists
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if not os.path.exists('analyzer.py'):
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logger.error("analyzer.py not found in current directory")
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return jsonify({'success': False, 'error': 'analyzer.py not found in current directory'}), 500
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# Add the --all-pages=false flag or explicitly specify the page to avoid the prompt
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command = f"python analyzer.py --image {pdf_file} --page {page_num} --start-page {page_num} --end-page {page_num}"
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# Generate a task ID
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task_id = f"analyzer_{int(time.time())}"
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# Initialize task result
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task_results[task_id] = {
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'success': None,
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'output': "Running analyzer...",
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'done': False
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}
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# Start background thread
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thread = threading.Thread(target=run_command, args=(task_id, command))
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thread.daemon = True
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thread.start()
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# Return the task ID immediately
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return jsonify({
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'success': True,
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'task_id': task_id,
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'message': f"Analyzer started. Processing {pdf_file} page {page_num}..."
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})
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except Exception as e:
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import traceback
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logger.error(f"Error starting analyzer: {str(e)}")
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logger.error(traceback.format_exc())
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return jsonify({'success': False, 'error': str(e)}), 500
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@app.route('/task-status/<task_id>')
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def task_status(task_id):
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if task_id not in task_results:
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return jsonify({'success': False, 'error': 'Task not found'}), 404
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result = task_results[task_id]
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# If task is completed, add file paths
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if result['done'] and result['success']:
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if task_id.startswith('analyzer_'):
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result['doctags_file'] = f"results/output.doctags.txt"
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elif task_id.startswith('visualizer_'):
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page_num = task_id.split('_')[-1] if len(task_id.split('_')) > 2 else "1"
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result['image_file'] = f"results/visualization_page_{page_num}.png"
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return jsonify(result)
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@app.route('/run-visualizer', methods=['POST'])
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def run_visualizer():
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try:
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pdf_file = request.form.get('pdf_file')
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page_num = request.form.get('page_num', 1)
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adjust = request.form.get('adjust') == 'true'
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if not pdf_file:
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return jsonify({'success': False, 'error': 'PDF file not specified'}), 400
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command = f"python visualizer.py --doctags results/output.doctags.txt --pdf {pdf_file} --page {page_num}"
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if adjust:
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command += " --adjust"
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# Generate a task ID
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task_id = f"visualizer_{int(time.time())}_{page_num}"
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# Initialize task result
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task_results[task_id] = {
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'success': None,
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'output': "Running visualizer...",
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'done': False
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}
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# Start background thread
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thread = threading.Thread(target=run_command, args=(task_id, command))
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thread.daemon = True
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thread.start()
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return jsonify({
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'success': True,
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'task_id': task_id,
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'message': f"Visualizer started. Processing {pdf_file} page {page_num}..."
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})
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except Exception as e:
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logger.error(f"Error starting visualizer: {str(e)}")
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return jsonify({'success': False, 'error': str(e)}), 500
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@app.route('/run-extractor', methods=['POST'])
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def run_extractor():
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try:
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pdf_file = request.form.get('pdf_file')
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page_num = request.form.get('page_num', 1)
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adjust = request.form.get('adjust') == 'true'
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if not pdf_file:
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return jsonify({'success': False, 'error': 'PDF file not specified'}), 400
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command = f"python picture_extractor.py --doctags results/output.doctags.txt --pdf {pdf_file} --page {page_num}"
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if adjust:
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command += " --adjust"
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# Generate a task ID
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task_id = f"extractor_{int(time.time())}_{page_num}"
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# Initialize task result
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task_results[task_id] = {
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'success': None,
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'output': "Running picture extractor...",
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'done': False
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}
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# Start background thread
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thread = threading.Thread(target=run_command, args=(task_id, command))
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thread.daemon = True
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thread.start()
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return jsonify({
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'success': True,
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'task_id': task_id,
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'message': f"Picture extractor started. Processing {pdf_file} page {page_num}..."
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})
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except Exception as e:
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logger.error(f"Error starting extractor: {str(e)}")
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return jsonify({'success': False, 'error': str(e)}), 500
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@app.route('/results/<path:filename>')
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def results(filename):
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try:
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file_path = os.path.join('results', filename)
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if os.path.exists(file_path):
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return send_file(file_path)
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else:
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logger.error(f"File not found: {file_path}")
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return jsonify({'error': f"File not found: {filename}"}), 404
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except Exception as e:
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logger.error(f"Error serving file {filename}: {str(e)}")
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return jsonify({'error': f"Error serving file: {filename}"}), 500
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@app.route('/check-environment')
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def check_environment():
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"""Endpoint to check the environment and available scripts"""
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try:
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# Get current directory
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current_dir = os.getcwd()
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# List all files in directory
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files = os.listdir('.')
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# Check for required scripts
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required_scripts = ['analyzer.py', 'visualizer.py', 'picture_extractor.py']
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missing_scripts = [script for script in required_scripts if script not in files]
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# Check for PDFs
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pdf_files = [f for f in files if f.endswith('.pdf')]
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# Check for results directory
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results_dir = Path("results")
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results_dir_exists = results_dir.exists()
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# Try to check Python version and installed packages
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python_info = subprocess.run(['python', '--version'], capture_output=True, text=True)
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python_version = python_info.stdout.strip() if python_info.returncode == 0 else "Unknown"
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# Check if the 'results' directory exists and is writable
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results_writable = False
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if results_dir_exists:
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try:
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test_file = results_dir / "test_write.txt"
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with open(test_file, 'w') as f:
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f.write("test")
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os.remove(test_file)
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results_writable = True
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except:
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pass
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return jsonify({
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'cwd': current_dir,
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'files': files,
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'missing_scripts': missing_scripts,
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'pdf_files': pdf_files,
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'results_dir_exists': results_dir_exists,
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'results_dir_writable': results_writable,
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'python_version': python_version
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})
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except Exception as e:
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import traceback
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error_details = traceback.format_exc()
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return jsonify({
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'error': str(e),
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'traceback': error_details
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}), 500
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@app.route('/run-manual-command', methods=['POST'])
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def run_manual_command():
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"""Endpoint to run a manual command for debugging purposes"""
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try:
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command = request.form.get('command')
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if not command:
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return jsonify({'success': False, 'error': 'No command specified'}), 400
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logger.info(f"Running manual command: {command}")
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try:
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# Run the command synchronously for immediate feedback
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process = subprocess.Popen(
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command,
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shell=True,
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stdin=subprocess.PIPE,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE,
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text=True,
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universal_newlines=True
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)
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stdout, stderr = process.communicate(input="n\n", timeout=60) # 60 second timeout
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success = process.returncode == 0
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return jsonify({
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'success': success,
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'output': stdout,
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'error': stderr,
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'returncode': process.returncode
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})
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except subprocess.TimeoutExpired:
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return jsonify({
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'success': False,
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'error': "Command timed out after 60 seconds"
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})
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except Exception as e:
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import traceback
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return jsonify({
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'success': False,
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'error': str(e),
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'traceback': traceback.format_exc()
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})
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except Exception as e:
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logger.error(f"Error running manual command: {str(e)}")
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return jsonify({'success': False, 'error': str(e)}), 500
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if __name__ == '__main__':
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# Ensure folders exist
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ensure_results_folder()
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ensure_static_folder()
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app.run(debug=True, host='127.0.0.1', port=5000) |