mirror of
https://github.com/blw1138/Zordon.git
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335 lines
12 KiB
Python
Executable File
335 lines
12 KiB
Python
Executable File
#!/usr/bin/env python3
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import json
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import logging
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import os
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import pathlib
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import shutil
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from datetime import datetime
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from zipfile import ZipFile
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import requests
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from flask import Flask, request, render_template, send_file, after_this_request, Response
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from werkzeug.utils import secure_filename
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from lib.render_job import RenderJob
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from lib.render_queue import RenderQueue
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from utilities.render_worker import RenderWorkerFactory, string_to_status
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logger = logging.getLogger()
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server = Flask(__name__)
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@server.get('/api/jobs')
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def jobs_json():
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return [x.json_safe_copy() for x in RenderQueue.job_queue]
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@server.get('/api/jobs/<status_val>')
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def filtered_jobs_json(status_val):
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state = string_to_status(status_val)
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jobs = [x.json_safe_copy() for x in RenderQueue.jobs_with_status(state)]
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if jobs:
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return jobs
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else:
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return f'Cannot find jobs with status {status_val}', 400
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@server.get('/api/job_status/<job_id>')
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def get_job_status(job_id):
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found_job = RenderQueue.job_with_id(job_id)
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if found_job:
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return found_job.json_safe_copy()
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else:
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return f'Cannot find job with ID {job_id}', 400
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@server.get('/api/job/<job_id>/logs')
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def get_job_logs(job_id):
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found_job = RenderQueue.job_with_id(job_id)
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if found_job:
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log_path = found_job.worker.log_path
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log_data = None
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if log_path and os.path.exists(log_path):
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with open(log_path) as file:
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log_data = file.read()
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return Response(log_data, mimetype='text/plain')
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else:
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return f'Cannot find job with ID {job_id}', 400
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@server.get('/api/file_list/<job_id>')
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def get_file_list(job_id):
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found_job = RenderQueue.job_with_id(job_id)
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if found_job:
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job_dir = os.path.dirname(found_job.worker.output_path)
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return os.listdir(job_dir)
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else:
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return f'Cannot find job with ID {job_id}', 400
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@server.route('/api/download_all/<job_id>')
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def download_all(job_id):
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zip_filename = None
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@after_this_request
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def clear_zip(response):
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if zip_filename and os.path.exists(zip_filename):
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os.remove(zip_filename)
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return response
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found_job = RenderQueue.job_with_id(job_id)
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if found_job:
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output_dir = os.path.dirname(found_job.worker.output_path)
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if os.path.exists(output_dir):
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zip_filename = pathlib.Path(found_job.worker.input_path).stem + '.zip'
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with ZipFile(zip_filename, 'w') as zipObj:
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for f in os.listdir(output_dir):
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zipObj.write(filename=os.path.join(output_dir, f),
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arcname=os.path.basename(f))
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return send_file(zip_filename, mimetype="zip", as_attachment=True, )
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else:
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return f'Cannot find project files for job {job_id}', 500
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else:
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return f'Cannot find job with ID {job_id}', 400
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@server.post('/api/register_client')
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def register_client():
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client_hostname = request.values['hostname']
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x = RenderQueue.register_client(client_hostname)
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return "Success" if x else "Fail"
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@server.post('/api/unregister_client')
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def unregister_client():
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client_hostname = request.values['hostname']
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x = RenderQueue.unregister_client(client_hostname)
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return "Success" if x else "Fail"
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@server.get('/api/clients')
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def render_clients():
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return RenderQueue.render_clients
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@server.get('/api/full_status')
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def full_status():
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full_results = {'timestamp': datetime.now().isoformat(), 'servers': {}}
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try:
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for client_hostname in RenderQueue.render_clients:
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is_online = False
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if client_hostname == RenderQueue.host_name:
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snapshot_results = snapshot()
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is_online = True
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else:
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snapshot_results = {}
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try:
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snapshot_request = requests.get(f'http://{client_hostname}:8080/snapshot', timeout=1)
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snapshot_results = snapshot_request.json()
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is_online = snapshot_request.ok
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except requests.ConnectionError as e:
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pass
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server_data = {'status': snapshot_results.get('status', {}), 'jobs': snapshot_results.get('jobs', {}),
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'is_online': is_online}
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full_results['servers'][client_hostname] = server_data
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except Exception as e:
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logger.error(f"Exception fetching full status: {e}")
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return full_results
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@server.get('/api/snapshot')
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def snapshot():
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server_status = RenderQueue.status()
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server_jobs = [x.json_safe_copy() for x in RenderQueue.job_queue]
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server_data = {'status': server_status, 'jobs': server_jobs, 'timestamp': datetime.now().isoformat()}
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return server_data
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@server.post('/api/add_job')
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def add_job_handler():
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try:
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"""Create new job and add to server render queue"""
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if not request.form.get('json', None) and not request.is_json:
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return 'missing json data', 400
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# handle uploaded files
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uploaded_file = request.files.get('file', None)
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uploaded_file_local_path = None
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job_dir = None
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if uploaded_file and uploaded_file.filename:
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logger.info(f"Receiving uploaded file {uploaded_file.filename}")
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job_dir = os.path.join(server.config['UPLOAD_FOLDER'], (uploaded_file.filename + "_" +
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datetime.now().strftime("%Y.%m.%d_%H.%M.%S")))
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os.makedirs(job_dir, exist_ok=True)
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uploaded_file_local_path = os.path.join(job_dir, secure_filename(uploaded_file.filename))
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uploaded_file.save(uploaded_file_local_path)
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# convert job input paths for uploaded files and add jobs
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json_string = request.form.get('json', None)
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jobs_list = json.loads(json_string) if json_string else [request.json]
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results = []
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for job in jobs_list:
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if uploaded_file_local_path:
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job['input_path'] = uploaded_file_local_path
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output_dir = os.path.join(job_dir, job.get('name', None) or 'output')
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os.makedirs(output_dir, exist_ok=True)
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job['output_path'] = os.path.join(output_dir, os.path.basename(job['output_path']))
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remove_job_dir = len(jobs_list) == 1 and uploaded_file_local_path # remove failed job dir for single file uploads only
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add_result = add_job(job, remove_job_dir_on_failure=remove_job_dir)
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results.append(add_result)
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# return any errors from results list
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for response in results:
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if response.get('error', None):
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if len(results) == 1:
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return results, response.get('code', 500)
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else:
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return results, 400
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return results
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except Exception as e:
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logger.exception(f"Unknown error adding job: {e}")
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return 'unknown error', 500
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def add_job(job_params, remove_job_dir_on_failure=False):
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def remove_job_dir():
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if remove_job_dir_on_failure and job_dir and os.path.exists(job_dir):
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logger.debug(f"Removing job dir: {job_dir}")
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shutil.rmtree(job_dir)
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name = job_params.get("name", None)
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job_owner = job_params.get("owner", None)
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renderer = job_params.get("renderer", None)
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input_path = job_params.get("input_path", None)
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output_path = job_params.get("output_path", None)
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priority = int(job_params.get('priority', 2))
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args = job_params.get('args', {})
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client = job_params.get('client', RenderQueue.host_name)
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force_start = job_params.get('force_start', False)
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custom_id = None
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job_dir = None
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# check for minimum render requirements
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if None in [renderer, input_path, output_path]:
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err_msg = 'Cannot add job: Missing required parameters'
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logger.error(err_msg)
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return {'error': err_msg, 'code': 400}
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# local renders
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if client == RenderQueue.host_name:
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logger.info(f"Creating job locally - {name if name else input_path}")
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try:
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render_job = RenderJob(renderer, input_path, output_path, args, priority, job_owner, client,
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notify=False, custom_id=custom_id, name=name)
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RenderQueue.add_to_render_queue(render_job, force_start=force_start)
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return render_job.json_safe_copy()
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except Exception as e:
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err_msg = f"Error creating job: {str(e)}"
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logger.exception(err_msg)
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remove_job_dir()
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return {'error': err_msg, 'code': 400}
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# client renders
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elif client in RenderQueue.render_clients:
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# see if host is available
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if RenderQueue.is_client_available(client):
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# call uploader on remote client
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try:
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logger.info(f"Uploading file {input_path} to client {client}")
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job_data = request.json
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response = post_job_to_server(input_path, job_data, client)
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if response.ok:
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logger.info("Job submitted successfully!")
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return response.json() if response.json() else "Job ok"
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else:
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remove_job_dir()
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return {'error': "Job rejected by client", 'code': 400}
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except requests.ConnectionError as e:
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err_msg = f"Error submitting job to client: {client}"
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logger.error(err_msg)
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remove_job_dir()
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return {'error': err_msg, 'code': 500}
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else:
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# client is not available
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err_msg = f"Render client '{client}' is unreachable"
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logger.error(err_msg)
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remove_job_dir()
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return {'error': err_msg, 'code': 503}
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else:
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err_msg = f"Unknown render client: '{client}'"
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logger.error(err_msg)
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remove_job_dir()
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return {'error': err_msg, 'code': 400}
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@server.get('/api/cancel_job')
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def cancel_job():
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job_id = request.args.get('id', None)
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confirm = request.args.get('confirm', False)
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if not job_id:
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return 'job id not found', 400
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elif not confirm:
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return 'confirmation required', 400
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else:
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found = [x for x in RenderQueue.job_queue if x.id == job_id]
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if len(found) > 1:
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return f'multiple jobs found for ID {job_id}', 400
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elif found:
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success = RenderQueue.cancel_job(found[0])
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return success
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return 'job not found', 400
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@server.get('/api/clear_history')
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def clear_history():
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RenderQueue.clear_history()
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return 'success'
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@server.route('/api/status')
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def status():
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return RenderQueue.status()
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@server.get('/api/renderer_info')
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def renderer_info():
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renderer_data = {}
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for r in RenderWorkerFactory.supported_renderers():
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renderer_class = RenderWorkerFactory.class_for_name(r)
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renderer_data[r] = {'available': renderer_class.renderer_path() is not None,
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'version': renderer_class.version(),
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'supported_extensions': renderer_class.supported_extensions,
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'supported_export_formats': renderer_class.supported_export_formats}
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return renderer_data
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@server.route('/')
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def default():
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return "Server running"
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@server.route('/upload')
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def upload_file_page():
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return render_template('upload.html', render_clients=RenderQueue.render_clients,
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supported_renderers=RenderWorkerFactory.supported_renderers())
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#todo: move this to a helper file
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def post_job_to_server(input_path, job_list, client, server_port=8080):
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# Pack job data and submit to server
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job_files = {'file': (os.path.basename(input_path), open(input_path, 'rb'), 'application/octet-stream'),
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'json': (None, json.dumps(job_list), 'application/json')}
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req = requests.post(f'http://{client}:{server_port}/api/add_job', files=job_files)
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return req
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