flaschengeist/flaschengeist/app.py

84 lines
2.7 KiB
Python

import pkg_resources
from flask import Flask
from flask_cors import CORS
from datetime import datetime
from flask.json import JSONEncoder, jsonify
from werkzeug.exceptions import HTTPException
from . import logger
from .system.config import config, configure_app
class CustomJSONEncoder(JSONEncoder):
def default(self, o):
# Check if custom model
try:
return o.serialize()
except AttributeError:
pass
if isinstance(o, datetime):
return o.isoformat()
# Check if iterable
try:
iterable = iter(o)
except TypeError:
pass
else:
return list(iterable)
return JSONEncoder.default(self, o)
def __load_auth(app):
for entry_point in pkg_resources.iter_entry_points('flaschengeist.auth'):
logger.debug('Found authentication plugin: %s', entry_point.name)
if entry_point.name == config['FLASCHENGEIST']['AUTH']:
app.config['FG_AUTH_BACKEND'] = entry_point.load()()
app.config['FG_AUTH_BACKEND'].configure(
config[entry_point.name] if config.has_section(entry_point.name) else {})
logger.info('Loaded authentication plugin > %s <', entry_point.name)
break
if not app.config['FG_AUTH_BACKEND']:
logger.error('No authentication plugin configured or authentication plugin not found')
def __load_plugins(app):
logger.info('Search for plugins')
app.config['FG_PLUGINS'] = {}
for entry_point in pkg_resources.iter_entry_points('flaschengeist.plugin'):
logger.debug("Found plugin: >{}<".format(entry_point.name))
if config.get(entry_point.name, 'enabled', fallback=False):
logger.info("Loaded plugin >{}<".format(entry_point.name))
app.config["FG_PLUGINS"][entry_point.name] = True
app.register_blueprint(entry_point.load()())
else:
app.config["FG_PLUGINS"][entry_point.name] = False
def create_app():
app = Flask(__name__)
app.json_encoder = CustomJSONEncoder
CORS(app)
with app.app_context():
from .system.database import db
configure_app(app)
db.init_app(app)
__load_auth(app)
__load_plugins(app)
@app.route("/", methods=["GET"])
def __get_state():
from . import __version__ as version
return jsonify({"plugins": app.config["FG_PLUGINS"], "version": version})
@app.errorhandler(Exception)
def handle_exception(e):
if isinstance(e, HTTPException):
logger.debug(e.description, exc_info=True)
return jsonify({"error": e.description}), e.code
logger.error(str(e), exc_info=True)
return jsonify({"error": "Internal server error occurred"}), 500
return app