# Tencent is pleased to support the open source community by making GNES available.
#
# Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from .base import YamlComposer, parse_http_data
from ..cli.parser import set_composer_parser
from ..helper import set_logger
[docs]class YamlComposerFlask:
def __init__(self, args):
self.args = args
self.logger = set_logger(self.__class__.__name__, self.args.verbose)
def _create_flask_app(self):
try:
from flask import Flask, request
except ImportError:
raise ImportError('Flask or its dependencies are not fully installed, '
'they are required for serving HTTP requests.'
'Please use "pip install gnes[flask]" to install it.')
app = Flask(__name__)
args = set_composer_parser().parse_args([])
default_html = YamlComposer(args).build_all()['html']
@app.errorhandler(500)
def exception_handler(error):
self.logger.error('unhandled error, i better quit and restart! %s' % error)
return '<h1>500 Internal Error</h1> ' \
'While we are fixing the issue, do you know you can deploy GNES board locally on your machine? ' \
'Simply run <pre>docker run -d -p 0.0.0.0:80:8080/tcp gnes/gnes compose --flask</pre>', 500
@app.route('/', methods=['GET'])
def _get_homepage():
return default_html
@app.route('/generate', methods=['POST'])
def _regenerate():
data = request.form if request.form else request.json
return parse_http_data(data, args)
return app
[docs] def run(self):
app = self._create_flask_app()
app.run(port=self.args.http_port, threaded=True, host='0.0.0.0')