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mirror of https://github.com/gsi-upm/senpy synced 2024-11-13 04:02:29 +00:00
senpy/senpy/blueprints.py
J. Fernando Sánchez 3e3f5555ff Fixed py2 problems and other improvements
We've changed the way plugins are activated, and removed the notion of
deactivated plugins.
Now plugins activate asynchronously.
When calling a plugin, it will be activated if it wasn't, and the call will wait
for the plugin to be fully activated.
2017-08-27 20:00:29 +02:00

150 lines
4.5 KiB
Python

#!/usr/bin/python
# -*- coding: utf-8 -*-
# Copyright 2014 J. Fernando Sánchez Rada - Grupo de Sistemas Inteligentes
# DIT, UPM
#
# 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.
"""
Blueprints for Senpy
"""
from flask import (Blueprint, request, current_app, render_template, url_for,
jsonify)
from .models import Error, Response, Help, Plugins, read_schema
from . import api
from .version import __version__
from functools import wraps
import logging
import json
logger = logging.getLogger(__name__)
api_blueprint = Blueprint("api", __name__)
demo_blueprint = Blueprint("demo", __name__)
ns_blueprint = Blueprint("ns", __name__)
def get_params(req):
if req.method == 'POST':
indict = req.form.to_dict(flat=True)
elif req.method == 'GET':
indict = req.args.to_dict(flat=True)
else:
raise Error(message="Invalid data")
return indict
@demo_blueprint.route('/')
def index():
return render_template("index.html", version=__version__)
@api_blueprint.route('/contexts/<entity>.jsonld')
def context(entity="context"):
context = Response._context
context['@vocab'] = url_for('ns.index', _external=True)
return jsonify({"@context": context})
@ns_blueprint.route('/') # noqa: F811
def index():
context = Response._context
context['@vocab'] = url_for('.ns', _external=True)
return jsonify({"@context": context})
@api_blueprint.route('/schemas/<schema>')
def schema(schema="definitions"):
try:
return jsonify(read_schema(schema))
except Exception: # Should be FileNotFoundError, but it's missing from py2
return Error(message="Schema not found", status=404).flask()
def basic_api(f):
@wraps(f)
def decorated_function(*args, **kwargs):
raw_params = get_params(request)
headers = {'X-ORIGINAL-PARAMS': json.dumps(raw_params)}
outformat = 'json-ld'
try:
print('Getting request:')
print(request)
params = api.parse_params(raw_params, api.WEB_PARAMS, api.API_PARAMS)
if hasattr(request, 'parameters'):
request.parameters.update(params)
else:
request.parameters = params
response = f(*args, **kwargs)
except Error as ex:
response = ex
response.parameters = params
logger.error(ex)
if current_app.debug:
raise
in_headers = params['inHeaders']
expanded = params['expanded-jsonld']
outformat = params['outformat']
return response.flask(
in_headers=in_headers,
headers=headers,
prefix=url_for('.api_root', _external=True),
context_uri=url_for('api.context',
entity=type(response).__name__,
_external=True),
outformat=outformat,
expanded=expanded)
return decorated_function
@api_blueprint.route('/', methods=['POST', 'GET'])
@basic_api
def api_root():
if request.parameters['help']:
dic = dict(api.API_PARAMS, **api.NIF_PARAMS)
response = Help(parameters=dic)
return response
else:
req = api.parse_call(request.parameters)
response = current_app.senpy.analyse(req)
return response
@api_blueprint.route('/plugins/', methods=['POST', 'GET'])
@basic_api
def plugins():
sp = current_app.senpy
ptype = request.parameters.get('plugin_type')
plugins = sp.filter_plugins(plugin_type=ptype)
dic = Plugins(plugins=list(plugins.values()))
return dic
@api_blueprint.route('/plugins/<plugin>/', methods=['POST', 'GET'])
@basic_api
def plugin(plugin=None):
sp = current_app.senpy
if plugin == 'default' and sp.default_plugin:
return sp.default_plugin
plugins = sp.filter_plugins(
id='plugins/{}'.format(plugin)) or sp.filter_plugins(name=plugin)
if plugins:
response = list(plugins.values())[0]
else:
return Error(message="Plugin not found", status=404)
return response