Refactored startup for compatibility with pyinstaller 5.0

cps.py

@@ -2,7 +2,7 @@
 # -*- coding: utf-8 -*-
 
 #  This file is part of the Calibre-Web (https://github.com/janeczku/calibre-web)
-#    Copyright (C) 2012-2019  OzzieIsaacs
+#    Copyright (C) 2022 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
@@ -17,72 +17,19 @@
 #  You should have received a copy of the GNU General Public License
 #  along with this program. If not, see <http://www.gnu.org/licenses/>.
 
-import sys
 import os
+import sys
 
+# Are we running from commandline?
+if __package__ == '':
+    # Add local path to sys.path so we can import cps
+    path = os.path.dirname(os.path.dirname(__file__))
+    sys.path.insert(0, path)
 
-# Insert local directories into path
+from cps.main import main as _main
-sys.path.append(os.path.dirname(os.path.abspath(__file__)))
-sys.path.append(os.path.join(os.path.dirname(os.path.abspath(__file__)), 'vendor'))
-
-
-from cps import create_app
-from cps import web_server
-from cps.opds import opds
-from cps.web import web
-from cps.jinjia import jinjia
-from cps.about import about
-from cps.shelf import shelf
-from cps.admin import admi
-from cps.gdrive import gdrive
-from cps.editbooks import EditBook
-from cps.remotelogin import remotelogin
-from cps.search_metadata import meta
-from cps.error_handler import init_errorhandler
-from cps.schedule import register_scheduled_tasks, register_startup_tasks
-
-try:
-    from cps.kobo import kobo, get_kobo_activated
-    from cps.kobo_auth import kobo_auth
-    kobo_available = get_kobo_activated()
-except (ImportError, AttributeError):   # Catch also error for not installed flask-WTF (missing csrf decorator)
-    kobo_available = False
-
-try:
-    from cps.oauth_bb import oauth
-    oauth_available = True
-except ImportError:
-    oauth_available = False
-
-
-def main():
-    app = create_app()
-
-    init_errorhandler()
-
-    app.register_blueprint(web)
-    app.register_blueprint(opds)
-    app.register_blueprint(jinjia)
-    app.register_blueprint(about)
-    app.register_blueprint(shelf)
-    app.register_blueprint(admi)
-    app.register_blueprint(remotelogin)
-    app.register_blueprint(meta)
-    app.register_blueprint(gdrive)
-    app.register_blueprint(EditBook)
-    if kobo_available:
-        app.register_blueprint(kobo)
-        app.register_blueprint(kobo_auth)
-    if oauth_available:
-        app.register_blueprint(oauth)
-
-    # Register scheduled tasks
-    register_scheduled_tasks()  # ToDo only reconnect if reconnect is enabled
-    register_startup_tasks()
-
-    success = web_server.start()
-    sys.exit(0 if success else 1)
-
 
 if __name__ == '__main__':
-    main()
+    _main()
+
+
+

cps/__init__.py

@@ -19,8 +19,6 @@
 #
 #  You should have received a copy of the GNU General Public License
 #  along with this program. If not, see <http://www.gnu.org/licenses/>.
-__package__ = "cps"
-
 import sys
 import os
 import mimetypes
@@ -28,15 +26,23 @@ import mimetypes
 from babel import Locale as LC
 from babel import negotiate_locale
 from babel.core import UnknownLocaleError
-from flask import Flask, request, g
+from flask import request, g
+from flask import Flask
 from .MyLoginManager import MyLoginManager
 from flask_babel import Babel
 from flask_principal import Principal
 
-from . import config_sql, logger, cache_buster, cli, ub, db
+from . import config_sql
+from . import logger
+from . import cache_buster
+from .cli import CliParameter
+from .constants import CONFIG_DIR
+from . import ub, db
 from .reverseproxy import ReverseProxied
 from .server import WebServer
 from .dep_check import dependency_check
+from . import services
+from .updater import Updater
 
 try:
     import lxml
@@ -50,6 +56,7 @@ try:
 except ImportError:
     wtf_present = False
 
+
 mimetypes.init()
 mimetypes.add_type('application/xhtml+xml', '.xhtml')
 mimetypes.add_type('application/epub+zip', '.epub')
@@ -81,37 +88,55 @@ app.config.update(
 
 
 lm = MyLoginManager()
-lm.login_view = 'web.login'
-lm.anonymous_user = ub.Anonymous
-lm.session_protection = 'strong'
-
-if wtf_present:
-    csrf = CSRFProtect()
-    csrf.init_app(app)
-else:
-    csrf = None
-
-ub.init_db(cli.settings_path)
-# pylint: disable=no-member
-config = config_sql.load_configuration(ub.session)
-
-web_server = WebServer()
 
 babel = Babel()
 _BABEL_TRANSLATIONS = set()
 
 log = logger.create()
 
+config = config_sql._ConfigSQL()
 
-from . import services
+cli_param = CliParameter()
-
-db.CalibreDB.update_config(config)
-db.CalibreDB.setup_db(config.config_calibre_dir, cli.settings_path)
 
+if wtf_present:
+    csrf = CSRFProtect()
+else:
+    csrf = None
 
 calibre_db = db.CalibreDB()
 
+web_server = WebServer()
+
+updater_thread = Updater()
+
+
 def create_app():
+    lm.login_view = 'web.login'
+    lm.anonymous_user = ub.Anonymous
+    lm.session_protection = 'strong'
+
+    if csrf:
+        csrf.init_app(app)
+
+    cli_param.init()
+
+    ub.init_db(os.path.join(CONFIG_DIR, "app.db"), cli_param.user_credentials)
+
+    # ub.init_db(os.path.join(CONFIG_DIR, "app.db"))
+    # pylint: disable=no-member
+    config_sql.load_configuration(config, ub.session, cli_param)
+
+    db.CalibreDB.update_config(config)
+    db.CalibreDB.setup_db(config.config_calibre_dir, cli_param.settings_path)
+    calibre_db.init_db()
+
+    updater_thread.init_updater(config, web_server)
+    # Perform dry run of updater and exit afterwards
+    if cli_param.dry_run:
+        updater_thread.dry_run()
+        sys.exit(0)
+    updater_thread.start()
+
     if sys.version_info < (3, 0):
         log.info(
             '*** Python2 is EOL since end of 2019, this version of Calibre-Web is no longer supporting Python2, please update your installation to Python3 ***')
@@ -156,7 +181,7 @@ def create_app():
         services.goodreads_support.connect(config.config_goodreads_api_key,
                                            config.config_goodreads_api_secret,
                                            config.config_use_goodreads)
-    config.store_calibre_uuid(calibre_db, db.LibraryId)
+    config.store_calibre_uuid(calibre_db, db.Library_Id)
     return app
 
 
@@ -179,11 +204,8 @@ def get_locale():
     return negotiate_locale(preferred or ['en'], _BABEL_TRANSLATIONS)
 
 
-from .updater import Updater
+'''@babel.timezoneselector
-updater_thread = Updater()
+def get_timezone():
+    user = getattr(g, 'user', None)
+    return user.timezone if user else None'''
 
-# Perform dry run of updater and exit afterwards
-if cli.dry_run:
-    updater_thread.dry_run()
-    sys.exit(0)
-updater_thread.start()

cps/admin.py

@@ -1254,7 +1254,7 @@ def _db_configuration_update_helper():
         if not calibre_db.setup_db(to_save['config_calibre_dir'], ub.app_DB_path):
             return _db_configuration_result(_('DB Location is not Valid, Please Enter Correct Path'),
                                             gdrive_error)
-        config.store_calibre_uuid(calibre_db, db.LibraryId)
+        config.store_calibre_uuid(calibre_db, db.Library_Id)
         # if db changed -> delete shelfs, delete download books, delete read books, kobo sync...
         if db_change:
             log.info("Calibre Database changed, all Calibre-Web info related to old Database gets deleted")

cps/cli.py

@@ -31,96 +31,99 @@ def version_info():
         return "Calibre-Web version: %s - unkown git-clone" % _STABLE_VERSION['version']
     return "Calibre-Web version: %s -%s" % (_STABLE_VERSION['version'], _NIGHTLY_VERSION[1])
 
+class CliParameter(object):
 
-parser = argparse.ArgumentParser(description='Calibre Web is a web app'
+    def init(self):
-                                 ' providing a interface for browsing, reading and downloading eBooks\n', prog='cps.py')
+        self.arg_parser()
-parser.add_argument('-p', metavar='path', help='path and name to settings db, e.g. /opt/cw.db')
-parser.add_argument('-g', metavar='path', help='path and name to gdrive db, e.g. /opt/gd.db')
-parser.add_argument('-c', metavar='path',
-                    help='path and name to SSL certfile, e.g. /opt/test.cert, works only in combination with keyfile')
-parser.add_argument('-k', metavar='path',
-                    help='path and name to SSL keyfile, e.g. /opt/test.key, works only in combination with certfile')
-parser.add_argument('-v', '--version', action='version', help='Shows version number and exits Calibre-Web',
-                    version=version_info())
-parser.add_argument('-i', metavar='ip-address', help='Server IP-Address to listen')
-parser.add_argument('-s', metavar='user:pass', help='Sets specific username to new password and exits Calibre-Web')
-parser.add_argument('-f', action='store_true', help='Flag is depreciated and will be removed in next version')
-parser.add_argument('-l', action='store_true', help='Allow loading covers from localhost')
-parser.add_argument('-d', action='store_true', help='Dry run of updater to check file permissions in advance '
-                                                    'and exits Calibre-Web')
-parser.add_argument('-r', action='store_true', help='Enable public database reconnect route under /reconnect')
-args = parser.parse_args()
 
-settings_path = args.p or os.path.join(_CONFIG_DIR, DEFAULT_SETTINGS_FILE)
+    def arg_parser(self):
-gd_path = args.g or os.path.join(_CONFIG_DIR, DEFAULT_GDRIVE_FILE)
+        parser = argparse.ArgumentParser(description='Calibre Web is a web app'
+                                                     ' providing a interface for browsing, reading and downloading eBooks\n',
+                                         prog='cps.py')
+        parser.add_argument('-p', metavar='path', help='path and name to settings db, e.g. /opt/cw.db')
+        parser.add_argument('-g', metavar='path', help='path and name to gdrive db, e.g. /opt/gd.db')
+        parser.add_argument('-c', metavar='path',
+                            help='path and name to SSL certfile, e.g. /opt/test.cert, works only in combination with keyfile')
+        parser.add_argument('-k', metavar='path',
+                            help='path and name to SSL keyfile, e.g. /opt/test.key, works only in combination with certfile')
+        parser.add_argument('-v', '--version', action='version', help='Shows version number and exits Calibre-Web',
+                            version=version_info())
+        parser.add_argument('-i', metavar='ip-address', help='Server IP-Address to listen')
+        parser.add_argument('-s', metavar='user:pass',
+                            help='Sets specific username to new password and exits Calibre-Web')
+        parser.add_argument('-f', action='store_true', help='Flag is depreciated and will be removed in next version')
+        parser.add_argument('-l', action='store_true', help='Allow loading covers from localhost')
+        parser.add_argument('-d', action='store_true', help='Dry run of updater to check file permissions in advance '
+                                                            'and exits Calibre-Web')
+        parser.add_argument('-r', action='store_true', help='Enable public database reconnect route under /reconnect')
+        args = parser.parse_args()
 
-if os.path.isdir(settings_path):
+        self.settings_path = args.p or os.path.join(_CONFIG_DIR, DEFAULT_SETTINGS_FILE)
-    settings_path = os.path.join(settings_path, DEFAULT_SETTINGS_FILE)
+        self.gd_path = args.g or os.path.join(_CONFIG_DIR, DEFAULT_GDRIVE_FILE)
 
-if os.path.isdir(gd_path):
+        if os.path.isdir(self.settings_path):
-    gd_path = os.path.join(gd_path, DEFAULT_GDRIVE_FILE)
+            self.settings_path = os.path.join(self.settings_path, DEFAULT_SETTINGS_FILE)
+
+        if os.path.isdir(self.gd_path):
+            self.gd_path = os.path.join(self.gd_path, DEFAULT_GDRIVE_FILE)
 
 
-# handle and check parameter for ssl encryption
+        # handle and check parameter for ssl encryption
-certfilepath = None
+        self.certfilepath = None
-keyfilepath = None
+        self.keyfilepath = None
-if args.c:
+        if args.c:
-    if os.path.isfile(args.c):
+            if os.path.isfile(args.c):
-        certfilepath = args.c
+                self.certfilepath = args.c
-    else:
-        print("Certfile path is invalid. Exiting...")
-        sys.exit(1)
-
-if args.c == "":
-    certfilepath = ""
-
-if args.k:
-    if os.path.isfile(args.k):
-        keyfilepath = args.k
-    else:
-        print("Keyfile path is invalid. Exiting...")
-        sys.exit(1)
-
-if (args.k and not args.c) or (not args.k and args.c):
-    print("Certfile and Keyfile have to be used together. Exiting...")
-    sys.exit(1)
-
-if args.k == "":
-    keyfilepath = ""
-
-
-# dry run updater
-dry_run = args.d or None
-# enable reconnect endpoint for docker database reconnect
-reconnect_enable = args.r or os.environ.get("CALIBRE_RECONNECT", None)
-# load covers from localhost
-allow_localhost = args.l or os.environ.get("CALIBRE_LOCALHOST", None)
-# handle and check ip address argument
-ip_address = args.i or None
-
-
-if ip_address:
-    try:
-        # try to parse the given ip address with socket
-        if hasattr(socket, 'inet_pton'):
-            if ':' in ip_address:
-                socket.inet_pton(socket.AF_INET6, ip_address)
             else:
-                socket.inet_pton(socket.AF_INET, ip_address)
+                print("Certfile path is invalid. Exiting...")
-        else:
+                sys.exit(1)
-            # on windows python < 3.4, inet_pton is not available
-            # inet_atom only handles IPv4 addresses
-            socket.inet_aton(ip_address)
-    except socket.error as err:
-        print(ip_address, ':', err)
-        sys.exit(1)
 
-# handle and check user password argument
+        if args.c == "":
-user_credentials = args.s or None
+            self.certfilepath = ""
-if user_credentials and ":" not in user_credentials:
-    print("No valid 'username:password' format")
-    sys.exit(3)
 
-if args.f:
+        if args.k:
-    print("Warning: -f flag is depreciated and will be removed in next version")
+            if os.path.isfile(args.k):
+                self.keyfilepath = args.k
+            else:
+                print("Keyfile path is invalid. Exiting...")
+                sys.exit(1)
 
+        if (args.k and not args.c) or (not args.k and args.c):
+            print("Certfile and Keyfile have to be used together. Exiting...")
+            sys.exit(1)
+
+        if args.k == "":
+            self.keyfilepath = ""
+
+        # dry run updater
+        self.dry_run =args.d or None
+        # enable reconnect endpoint for docker database reconnect
+        self.reconnect_enable = args.r or os.environ.get("CALIBRE_RECONNECT", None)
+        # load covers from localhost
+        self.allow_localhost = args.l or os.environ.get("CALIBRE_LOCALHOST", None)
+        # handle and check ip address argument
+        self.ip_address = args.i or None
+        if self.ip_address:
+            try:
+                # try to parse the given ip address with socket
+                if hasattr(socket, 'inet_pton'):
+                    if ':' in self.ip_address:
+                        socket.inet_pton(socket.AF_INET6, self.ip_address)
+                    else:
+                        socket.inet_pton(socket.AF_INET, self.ip_address)
+                else:
+                    # on windows python < 3.4, inet_pton is not available
+                    # inet_atom only handles IPv4 addresses
+                    socket.inet_aton(self.ip_address)
+            except socket.error as err:
+                print(self.ip_address, ':', err)
+                sys.exit(1)
+
+        # handle and check user password argument
+        self.user_credentials = args.s or None
+        if self.user_credentials and ":" not in self.user_credentials:
+            print("No valid 'username:password' format")
+            sys.exit(3)
+
+        if args.f:
+            print("Warning: -f flag is depreciated and will be removed in next version")

cps/config_sql.py

@@ -29,7 +29,7 @@ try:
 except ImportError:
     from sqlalchemy.ext.declarative import declarative_base
 
-from . import constants, cli, logger
+from . import constants, logger
 
 
 log = logger.create()
@@ -154,12 +154,16 @@ class _Settings(_Base):
 # Class holds all application specific settings in calibre-web
 class _ConfigSQL(object):
     # pylint: disable=no-member
-    def __init__(self, session):
+    def __init__(self):
+        pass
+
+    def init_config(self, session, cli):
         self._session = session
         self._settings = None
         self.db_configured = None
         self.config_calibre_dir = None
         self.load()
+        self.cli = cli
 
         change = False
         if self.config_converterpath == None:  # pylint: disable=access-member-before-definition
@@ -184,22 +188,21 @@ class _ConfigSQL(object):
         return self._settings
 
     def get_config_certfile(self):
-        if cli.certfilepath:
+        if self.cli.certfilepath:
-            return cli.certfilepath
+            return self.cli.certfilepath
-        if cli.certfilepath == "":
+        if self.cli.certfilepath == "":
             return None
         return self.config_certfile
 
     def get_config_keyfile(self):
-        if cli.keyfilepath:
+        if self.cli.keyfilepath:
-            return cli.keyfilepath
+            return self.cli.keyfilepath
-        if cli.certfilepath == "":
+        if self.cli.certfilepath == "":
             return None
         return self.config_keyfile
 
-    @staticmethod
+    def get_config_ipaddress(self):
-    def get_config_ipaddress():
+        return self.cli.ip_address or ""
-        return cli.ip_address or ""
 
     def _has_role(self, role_flag):
         return constants.has_flag(self.config_default_role, role_flag)
@@ -449,14 +452,15 @@ def _migrate_database(session):
     _migrate_table(session, _Flask_Settings)
 
 
-def load_configuration(session):
+def load_configuration(conf, session, cli):
     _migrate_database(session)
 
     if not session.query(_Settings).count():
         session.add(_Settings())
         session.commit()
-    conf = _ConfigSQL(session)
+    # conf = _ConfigSQL()
-    return conf
+    conf.init_config(session, cli)
+    # return conf
 
 def get_flask_session_key(_session):
     flask_settings = _session.query(_Flask_Settings).one_or_none()

cps/db.py

@@ -89,7 +89,7 @@ books_publishers_link = Table('books_publishers_link', Base.metadata,
                               )
 
 
-class LibraryId(Base):
+class Library_Id(Base):
     __tablename__ = 'library_id'
     id = Column(Integer, primary_key=True)
     uuid = Column(String, nullable=False)
@@ -440,10 +440,12 @@ class CalibreDB:
     # instances alive once they reach the end of their respective scopes
     instances = WeakSet()
 
-    def __init__(self, expire_on_commit=True):
+    def __init__(self):
         """ Initialize a new CalibreDB session
         """
         self.session = None
+
+    def init_db(self, expire_on_commit=True):
         if self._init:
             self.init_session(expire_on_commit)
 
@@ -543,7 +545,7 @@ class CalibreDB:
                 connection.execute(text("attach database '{}' as app_settings;".format(app_db_path)))
                 local_session = scoped_session(sessionmaker())
                 local_session.configure(bind=connection)
-                database_uuid = local_session().query(LibraryId).one_or_none()
+                database_uuid = local_session().query(Library_Id).one_or_none()
                 # local_session.dispose()
 
             check_engine.connect()

cps/editbooks.py

@@ -49,7 +49,7 @@ from .usermanagement import login_required_if_no_ano
 from .kobo_sync_status import change_archived_books
 
 
-EditBook = Blueprint('edit-book', __name__)
+editbook = Blueprint('edit-book', __name__)
 log = logger.create()
 
 
@@ -228,14 +228,14 @@ def modify_identifiers(input_identifiers, db_identifiers, db_session):
     return changed, error
 
 
-@EditBook.route("/ajax/delete/<int:book_id>", methods=["POST"])
+@editbook.route("/ajax/delete/<int:book_id>", methods=["POST"])
 @login_required
 def delete_book_from_details(book_id):
     return Response(delete_book_from_table(book_id, "", True), mimetype='application/json')
 
 
-@EditBook.route("/delete/<int:book_id>", defaults={'book_format': ""}, methods=["POST"])
+@editbook.route("/delete/<int:book_id>", defaults={'book_format': ""}, methods=["POST"])
-@EditBook.route("/delete/<int:book_id>/<string:book_format>", methods=["POST"])
+@editbook.route("/delete/<int:book_id>/<string:book_format>", methods=["POST"])
 @login_required
 def delete_book_ajax(book_id, book_format):
     return delete_book_from_table(book_id, book_format, False)
@@ -743,14 +743,14 @@ def handle_author_on_edit(book, author_name, update_stored=True):
     return input_authors, change, renamed
 
 
-@EditBook.route("/admin/book/<int:book_id>", methods=['GET'])
+@editbook.route("/admin/book/<int:book_id>", methods=['GET'])
 @login_required_if_no_ano
 @edit_required
 def show_edit_book(book_id):
     return render_edit_book(book_id)
 
 
-@EditBook.route("/admin/book/<int:book_id>", methods=['POST'])
+@editbook.route("/admin/book/<int:book_id>", methods=['POST'])
 @login_required_if_no_ano
 @edit_required
 def edit_book(book_id):
@@ -1084,7 +1084,7 @@ def move_coverfile(meta, db_book):
               category="error")
 
 
-@EditBook.route("/upload", methods=["POST"])
+@editbook.route("/upload", methods=["POST"])
 @login_required_if_no_ano
 @upload_required
 def upload():
@@ -1153,7 +1153,7 @@ def upload():
         return Response(json.dumps({"location": url_for("web.index")}), mimetype='application/json')
 
 
-@EditBook.route("/admin/book/convert/<int:book_id>", methods=['POST'])
+@editbook.route("/admin/book/convert/<int:book_id>", methods=['POST'])
 @login_required_if_no_ano
 @edit_required
 def convert_bookformat(book_id):
@@ -1178,7 +1178,7 @@ def convert_bookformat(book_id):
     return redirect(url_for('edit-book.show_edit_book', book_id=book_id))
 
 
-@EditBook.route("/ajax/getcustomenum/<int:c_id>")
+@editbook.route("/ajax/getcustomenum/<int:c_id>")
 @login_required
 def table_get_custom_enum(c_id):
     ret = list()
@@ -1191,7 +1191,7 @@ def table_get_custom_enum(c_id):
     return json.dumps(ret)
 
 
-@EditBook.route("/ajax/editbooks/<param>", methods=['POST'])
+@editbook.route("/ajax/editbooks/<param>", methods=['POST'])
 @login_required_if_no_ano
 @edit_required
 def edit_list_book(param):
@@ -1303,7 +1303,7 @@ def edit_list_book(param):
     return ret
 
 
-@EditBook.route("/ajax/sort_value/<field>/<int:bookid>")
+@editbook.route("/ajax/sort_value/<field>/<int:bookid>")
 @login_required
 def get_sorted_entry(field, bookid):
     if field in ['title', 'authors', 'sort', 'author_sort']:
@@ -1320,7 +1320,7 @@ def get_sorted_entry(field, bookid):
     return ""
 
 
-@EditBook.route("/ajax/simulatemerge", methods=['POST'])
+@editbook.route("/ajax/simulatemerge", methods=['POST'])
 @login_required
 @edit_required
 def simulate_merge_list_book():
@@ -1336,7 +1336,7 @@ def simulate_merge_list_book():
     return ""
 
 
-@EditBook.route("/ajax/mergebooks", methods=['POST'])
+@editbook.route("/ajax/mergebooks", methods=['POST'])
 @login_required
 @edit_required
 def merge_list_book():
@@ -1374,7 +1374,7 @@ def merge_list_book():
     return ""
 
 
-@EditBook.route("/ajax/xchange", methods=['POST'])
+@editbook.route("/ajax/xchange", methods=['POST'])
 @login_required
 @edit_required
 def table_xchange_author_title():

cps/gdriveutils.py

@@ -63,7 +63,7 @@ except ImportError as err:
         importError = err
         gdrive_support = False
 
-from . import logger, cli, config
+from . import logger, cli_param, config
 from .constants import CONFIG_DIR as _CONFIG_DIR
 
 
@@ -142,7 +142,7 @@ def is_gdrive_ready():
     return os.path.exists(SETTINGS_YAML) and os.path.exists(CREDENTIALS)
 
 
-engine = create_engine('sqlite:///{0}'.format(cli.gd_path), echo=False)
+engine = create_engine('sqlite:///{0}'.format(cli_param.gd_path), echo=False)
 Base = declarative_base()
 
 # Open session for database connection
@@ -190,11 +190,11 @@ def migrate():
                 session.execute('ALTER TABLE gdrive_ids2 RENAME to gdrive_ids')
             break
 
-if not os.path.exists(cli.gd_path):
+if not os.path.exists(cli_param.gd_path):
     try:
         Base.metadata.create_all(engine)
     except Exception as ex:
-        log.error("Error connect to database: {} - {}".format(cli.gd_path, ex))
+        log.error("Error connect to database: {} - {}".format(cli_param.gd_path, ex))
         raise
 migrate()
 
@@ -544,6 +544,7 @@ def deleteDatabaseOnChange():
     except (OperationalError, InvalidRequestError) as ex:
         session.rollback()
         log.error_or_exception('Database error: {}'.format(ex))
+        session.rollback()
 
 
 def updateGdriveCalibreFromLocal():

cps/main.py

@@ -0,0 +1,71 @@
+# -*- coding: utf-8 -*-
+
+#  This file is part of the Calibre-Web (https://github.com/janeczku/calibre-web)
+#    Copyright (C) 2012-2022 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/>.
+
+import sys
+
+from . import create_app
+from .jinjia import jinjia
+from .shelf import shelf
+from .remotelogin import remotelogin
+from .search_metadata import meta
+from .error_handler import init_errorhandler
+
+try:
+    from kobo import kobo, get_kobo_activated
+    from kobo_auth import kobo_auth
+    kobo_available = get_kobo_activated()
+except (ImportError, AttributeError):   # Catch also error for not installed flask-WTF (missing csrf decorator)
+    kobo_available = False
+
+try:
+    from oauth_bb import oauth
+    oauth_available = True
+except ImportError:
+    oauth_available = False
+
+
+def main():
+    app = create_app()
+
+    from .web import web
+    from .opds import opds
+    from .admin import admi
+    from .gdrive import gdrive
+    from .editbooks import editbook
+    from .about import about
+
+    from . import web_server
+    init_errorhandler()
+
+    app.register_blueprint(web)
+    app.register_blueprint(opds)
+    app.register_blueprint(jinjia)
+    app.register_blueprint(about)
+    app.register_blueprint(shelf)
+    app.register_blueprint(admi)  #
+    app.register_blueprint(remotelogin)
+    app.register_blueprint(meta)
+    app.register_blueprint(gdrive)
+    app.register_blueprint(editbook)
+    if kobo_available:
+        app.register_blueprint(kobo)
+        app.register_blueprint(kobo_auth)
+    if oauth_available:
+        app.register_blueprint(oauth)
+    success = web_server.start()
+    sys.exit(0 if success else 1)

cps/tasks/mail.py

@@ -24,11 +24,10 @@ import mimetypes
 
 from io import StringIO
 from email.message import EmailMessage
-from email.utils import parseaddr
+from email.utils import formatdate, parseaddr
-
+from email.generator import Generator
 from flask_babel import lazy_gettext as N_
 from email.utils import formatdate
-from email.generator import Generator
 
 from cps.services.worker import CalibreTask
 from cps.services import gmail

cps/templates/admin.html

@@ -210,7 +210,7 @@
 
   <div class="row">
     <div class="col">
-      <h2>{{_('Update')}}</h2>
+      <h2>{{_('Version Information')}}</h2>
       <table class="table table-striped" id="update_table">
         <thead>
           <tr>

cps/ub.py

@@ -53,7 +53,7 @@ except ImportError:
 from sqlalchemy.orm import backref, relationship, sessionmaker, Session, scoped_session
 from werkzeug.security import generate_password_hash
 
-from . import constants, logger, cli
+from . import constants, logger
 
 log = logger.create()
 
@@ -816,7 +816,7 @@ def init_db_thread():
     return Session()
 
 
-def init_db(app_db_path):
+def init_db(app_db_path, user_credentials=None):
     # Open session for database connection
     global session
     global app_DB_path
@@ -837,8 +837,8 @@ def init_db(app_db_path):
         create_admin_user(session)
         create_anonymous_user(session)
 
-    if cli.user_credentials:
+    if user_credentials:
-        username, password = cli.user_credentials.split(':', 1)
+        username, password = user_credentials.split(':', 1)
         user = session.query(User).filter(func.lower(User.name) == username.lower()).first()
         if user:
             if not password:

cps/updater.py

@@ -31,7 +31,7 @@ import requests
 from babel.dates import format_datetime
 from flask_babel import gettext as _
 
-from . import constants, logger, config, web_server
+from . import constants, logger  #  config, web_server
 
 
 log = logger.create()
@@ -58,13 +58,17 @@ class Updater(threading.Thread):
         self.status = -1
         self.updateIndex = None
 
+    def init_updater(self, config, web_server):
+        self.config = config
+        self.web_server = web_server
+
     def get_current_version_info(self):
-        if config.config_updatechannel == constants.UPDATE_STABLE:
+        if self.config.config_updatechannel == constants.UPDATE_STABLE:
             return self._stable_version_info()
         return self._nightly_version_info()
 
     def get_available_updates(self, request_method, locale):
-        if config.config_updatechannel == constants.UPDATE_STABLE:
+        if self.config.config_updatechannel == constants.UPDATE_STABLE:
             return self._stable_available_updates(request_method)
         return self._nightly_available_updates(request_method, locale)
 
@@ -95,7 +99,7 @@ class Updater(threading.Thread):
                 self.status = 6
                 log.debug(u'Preparing restart of server')
                 time.sleep(2)
-                web_server.stop(True)
+                self.web_server.stop(True)
                 self.status = 7
                 time.sleep(2)
                 return True

setup.cfg

@@ -54,7 +54,7 @@ install_requires =
 	tornado>=4.1,<6.2
 	Wand>=0.4.4,<0.7.0
 	unidecode>=0.04.19,<1.4.0
-	lxml>=3.8.0,<4.8.0
+	lxml>=3.8.0,<4.9.0
 	flask-wtf>=0.14.2,<1.1.0
 	chardet>=3.0.0,<4.1.0
 	advocate>=1.0.0,<1.1.0
@@ -62,7 +62,7 @@ install_requires =
 
 [options.extras_require]
 gdrive = 
-	google-api-python-client>=1.7.11,<2.44.0
+	google-api-python-client>=1.7.11,<2.46.0
 	gevent>20.6.0,<22.0.0
 	greenlet>=0.4.17,<1.2.0
 	httplib2>=0.9.2,<0.21.0
@@ -75,7 +75,7 @@ gdrive =
 	rsa>=3.4.2,<4.9.0
 gmail = 
 	google-auth-oauthlib>=0.4.3,<0.6.0
-	google-api-python-client>=1.7.11,<2.44.0
+	google-api-python-client>=1.7.11,<2.46.0
 goodreads = 
 	goodreads>=0.3.2,<0.4.0
 	python-Levenshtein>=0.12.0,<0.13.0