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calibre-web/cps/search_metadata.py
Ozzie Isaacs ceec1051d5 Added option to save books with no nenglish characters
Imporvements on metadata search
2021-08-01 13:50:17 +02:00

103 lines
3.7 KiB
Python

# -*- coding: utf-8 -*-
# This file is part of the Calibre-Web (https://github.com/janeczku/calibre-web)
# Copyright (C) 2021 OzzieIsaacs
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from __future__ import division, print_function, unicode_literals
import os
import json
import importlib
import sys
import inspect
from flask import Blueprint, request, Response
from flask_login import current_user
from flask_login import login_required
from sqlalchemy.orm.attributes import flag_modified
from sqlalchemy.exc import OperationalError, InvalidRequestError
from . import constants, logger, ub
from cps.services.Metadata import Metadata
meta = Blueprint('metadata', __name__)
log = logger.create()
new_list = list()
meta_dir = os.path.join(constants.BASE_DIR, "cps", "metadata_provider")
modules = os.listdir(os.path.join(constants.BASE_DIR, "cps", "metadata_provider")) #glob.glob(join(dirname(__file__), "*.py"))
for f in modules:
if os.path.isfile(os.path.join(meta_dir, f)) and not f.endswith('__init__.py'):
a = os.path.basename(f)[:-3]
try:
importlib.import_module("cps.metadata_provider." + a)
new_list.append(a)
except ImportError:
log.error("Import error for metadata source: {}".format(a))
pass
def list_classes(provider_list):
classes = list()
for element in provider_list:
for name, obj in inspect.getmembers(sys.modules["cps.metadata_provider." + element]):
if inspect.isclass(obj) and name != "Metadata" and issubclass(obj, Metadata):
classes.append(obj())
return classes
cl = list_classes(new_list)
@meta.route("/metadata/provider")
@login_required
def metadata_provider():
active = current_user.view_settings.get('metadata', {})
provider = list()
for c in cl:
provider.append({"name": c.__name__, "active": active.get(c.__id__, True), "id": c.__id__})
return Response(json.dumps(provider), mimetype='application/json')
@meta.route("/metadata/provider", methods=['POST'])
@login_required
def metadata_change_active_provider():
new_state = request.get_json()
active = current_user.view_settings.get('metadata', {})
active[new_state['id']] = new_state['value']
current_user.view_settings['metadata'] = active
try:
try:
flag_modified(current_user, "view_settings")
except AttributeError:
pass
ub.session.commit()
except (InvalidRequestError, OperationalError):
log.error("Invalid request received: {}".format(request))
return "Invalid request", 400
provider = list()
for c in cl:
provider.append({"name": c.__name__, "active": active.get(c.__id__, True), "id": c.__id__})
return "" # Response(json.dumps(provider), mimetype='application/json')
@meta.route("/metadata/search", methods=['POST'])
@login_required
def metadata_search():
query = request.form.to_dict().get('query')
data = list()
active = current_user.view_settings.get('metadata', {})
if query:
for c in cl:
if active.get(c.__id__, True):
data.extend(c.search(query))
return Response(json.dumps(data), mimetype='application/json')