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parallel-library/cps/ub.py

686 lines
28 KiB
Python

# -*- coding: utf-8 -*-
# This file is part of the Calibre-Web (https://github.com/janeczku/calibre-web)
# Copyright (C) 2012-2019 mutschler, jkrehm, cervinko, janeczku, OzzieIsaacs, csitko
# ok11, issmirnov, idalin
#
# 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 datetime
import itertools
import uuid
from binascii import hexlify
from flask import g
from flask_babel import gettext as _
from flask_login import AnonymousUserMixin
from werkzeug.local import LocalProxy
try:
from flask_dance.consumer.backend.sqla import OAuthConsumerMixin
oauth_support = True
except ImportError:
# fails on flask-dance >1.3, due to renaming
try:
from flask_dance.consumer.storage.sqla import OAuthConsumerMixin
oauth_support = True
except ImportError:
oauth_support = False
from sqlalchemy import create_engine, exc, exists, event
from sqlalchemy import Column, ForeignKey
from sqlalchemy import String, Integer, SmallInteger, Boolean, DateTime, Float
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import backref, relationship, sessionmaker, Session
from werkzeug.security import generate_password_hash
from . import constants
session = None
Base = declarative_base()
def get_sidebar_config(kwargs=None):
kwargs = kwargs or []
if 'content' in kwargs:
content = kwargs['content']
content = isinstance(content, (User, LocalProxy)) and not content.role_anonymous()
else:
content = 'conf' in kwargs
sidebar = list()
sidebar.append({"glyph": "glyphicon-book", "text": _('Recently Added'), "link": 'web.index', "id": "new",
"visibility": constants.SIDEBAR_RECENT, 'public': True, "page": "root",
"show_text": _('Show recent books'), "config_show":False})
sidebar.append({"glyph": "glyphicon-fire", "text": _('Hot Books'), "link": 'web.books_list', "id": "hot",
"visibility": constants.SIDEBAR_HOT, 'public': True, "page": "hot",
"show_text": _('Show Hot Books'), "config_show": True})
sidebar.append(
{"glyph": "glyphicon-star", "text": _('Top Rated Books'), "link": 'web.books_list', "id": "rated",
"visibility": constants.SIDEBAR_BEST_RATED, 'public': True, "page": "rated",
"show_text": _('Show Top Rated Books'), "config_show": True})
sidebar.append({"glyph": "glyphicon-eye-open", "text": _('Read Books'), "link": 'web.books_list', "id": "read",
"visibility": constants.SIDEBAR_READ_AND_UNREAD, 'public': (not g.user.is_anonymous), "page": "read",
"show_text": _('Show read and unread'), "config_show": content})
sidebar.append(
{"glyph": "glyphicon-eye-close", "text": _('Unread Books'), "link": 'web.books_list', "id": "unread",
"visibility": constants.SIDEBAR_READ_AND_UNREAD, 'public': (not g.user.is_anonymous), "page": "unread",
"show_text": _('Show unread'), "config_show": False})
sidebar.append({"glyph": "glyphicon-random", "text": _('Discover'), "link": 'web.books_list', "id": "rand",
"visibility": constants.SIDEBAR_RANDOM, 'public': True, "page": "discover",
"show_text": _('Show random books'), "config_show": True})
sidebar.append({"glyph": "glyphicon-inbox", "text": _('Categories'), "link": 'web.category_list', "id": "cat",
"visibility": constants.SIDEBAR_CATEGORY, 'public': True, "page": "category",
"show_text": _('Show category selection'), "config_show": True})
sidebar.append({"glyph": "glyphicon-bookmark", "text": _('Series'), "link": 'web.series_list', "id": "serie",
"visibility": constants.SIDEBAR_SERIES, 'public': True, "page": "series",
"show_text": _('Show series selection'), "config_show": True})
sidebar.append({"glyph": "glyphicon-user", "text": _('Authors'), "link": 'web.author_list', "id": "author",
"visibility": constants.SIDEBAR_AUTHOR, 'public': True, "page": "author",
"show_text": _('Show author selection'), "config_show": True})
sidebar.append(
{"glyph": "glyphicon-text-size", "text": _('Publishers'), "link": 'web.publisher_list', "id": "publisher",
"visibility": constants.SIDEBAR_PUBLISHER, 'public': True, "page": "publisher",
"show_text": _('Show publisher selection'), "config_show":True})
sidebar.append({"glyph": "glyphicon-flag", "text": _('Languages'), "link": 'web.language_overview', "id": "lang",
"visibility": constants.SIDEBAR_LANGUAGE, 'public': (g.user.filter_language() == 'all'),
"page": "language",
"show_text": _('Show language selection'), "config_show": True})
sidebar.append({"glyph": "glyphicon-star-empty", "text": _('Ratings'), "link": 'web.ratings_list', "id": "rate",
"visibility": constants.SIDEBAR_RATING, 'public': True,
"page": "rating", "show_text": _('Show ratings selection'), "config_show": True})
sidebar.append({"glyph": "glyphicon-file", "text": _('File formats'), "link": 'web.formats_list', "id": "format",
"visibility": constants.SIDEBAR_FORMAT, 'public': True,
"page": "format", "show_text": _('Show file formats selection'), "config_show": True})
sidebar.append(
{"glyph": "glyphicon-trash", "text": _('Archived Books'), "link": 'web.books_list', "id": "archived",
"visibility": constants.SIDEBAR_ARCHIVED, 'public': (not g.user.is_anonymous), "page": "archived",
"show_text": _('Show archived books'), "config_show": content})
return sidebar
class UserBase:
@property
def is_authenticated(self):
return True
def _has_role(self, role_flag):
return constants.has_flag(self.role, role_flag)
def role_admin(self):
return self._has_role(constants.ROLE_ADMIN)
def role_download(self):
return self._has_role(constants.ROLE_DOWNLOAD)
def role_upload(self):
return self._has_role(constants.ROLE_UPLOAD)
def role_edit(self):
return self._has_role(constants.ROLE_EDIT)
def role_passwd(self):
return self._has_role(constants.ROLE_PASSWD)
def role_anonymous(self):
return self._has_role(constants.ROLE_ANONYMOUS)
def role_edit_shelfs(self):
return self._has_role(constants.ROLE_EDIT_SHELFS)
def role_delete_books(self):
return self._has_role(constants.ROLE_DELETE_BOOKS)
def role_viewer(self):
return self._has_role(constants.ROLE_VIEWER)
@property
def is_active(self):
return True
@property
def is_anonymous(self):
return self.role_anonymous()
def get_id(self):
return str(self.id)
def filter_language(self):
return self.default_language
def check_visibility(self, value):
if value == constants.SIDEBAR_RECENT:
return True
return constants.has_flag(self.sidebar_view, value)
def show_detail_random(self):
return self.check_visibility(constants.DETAIL_RANDOM)
def list_denied_tags(self):
mct = self.denied_tags.split(",")
return [t.strip() for t in mct]
def list_allowed_tags(self):
mct = self.allowed_tags.split(",")
return [t.strip() for t in mct]
def list_denied_column_values(self):
mct = self.denied_column_value.split(",")
return [t.strip() for t in mct]
def list_allowed_column_values(self):
mct = self.allowed_column_value.split(",")
return [t.strip() for t in mct]
def __repr__(self):
return '<User %r>' % self.nickname
# Baseclass for Users in Calibre-Web, settings which are depending on certain users are stored here. It is derived from
# User Base (all access methods are declared there)
class User(UserBase, Base):
__tablename__ = 'user'
__table_args__ = {'sqlite_autoincrement': True}
id = Column(Integer, primary_key=True)
nickname = Column(String(64), unique=True)
email = Column(String(120), unique=True, default="")
role = Column(SmallInteger, default=constants.ROLE_USER)
password = Column(String)
kindle_mail = Column(String(120), default="")
shelf = relationship('Shelf', backref='user', lazy='dynamic', order_by='Shelf.name')
downloads = relationship('Downloads', backref='user', lazy='dynamic')
locale = Column(String(2), default="en")
sidebar_view = Column(Integer, default=1)
default_language = Column(String(3), default="all")
mature_content = Column(Boolean, default=True)
denied_tags = Column(String, default="")
allowed_tags = Column(String, default="")
denied_column_value = Column(String, default="")
allowed_column_value = Column(String, default="")
remote_auth_token = relationship('RemoteAuthToken', backref='user', lazy='dynamic')
if oauth_support:
class OAuth(OAuthConsumerMixin, Base):
provider_user_id = Column(String(256))
user_id = Column(Integer, ForeignKey(User.id))
user = relationship(User)
class OAuthProvider(Base):
__tablename__ = 'oauthProvider'
id = Column(Integer, primary_key=True)
provider_name = Column(String)
oauth_client_id = Column(String)
oauth_client_secret = Column(String)
active = Column(Boolean)
# Class for anonymous user is derived from User base and completly overrides methods and properties for the
# anonymous user
class Anonymous(AnonymousUserMixin, UserBase):
def __init__(self):
self.loadSettings()
def loadSettings(self):
data = session.query(User).filter(User.role.op('&')(constants.ROLE_ANONYMOUS) == constants.ROLE_ANONYMOUS)\
.first() # type: User
self.nickname = data.nickname
self.role = data.role
self.id=data.id
self.sidebar_view = data.sidebar_view
self.default_language = data.default_language
self.locale = data.locale
# self.mature_content = data.mature_content
self.kindle_mail = data.kindle_mail
self.denied_tags = data.denied_tags
self.allowed_tags = data.allowed_tags
self.denied_column_value = data.denied_column_value
self.allowed_column_value = data.allowed_column_value
def role_admin(self):
return False
@property
def is_active(self):
return False
@property
def is_anonymous(self):
return True
@property
def is_authenticated(self):
return False
# Baseclass representing Shelfs in calibre-web in app.db
class Shelf(Base):
__tablename__ = 'shelf'
id = Column(Integer, primary_key=True)
uuid = Column(String, default=lambda: str(uuid.uuid4()))
name = Column(String)
is_public = Column(Integer, default=0)
user_id = Column(Integer, ForeignKey('user.id'))
books = relationship("BookShelf", backref="ub_shelf", cascade="all, delete-orphan", lazy="dynamic")
created = Column(DateTime, default=datetime.datetime.utcnow)
last_modified = Column(DateTime, default=datetime.datetime.utcnow, onupdate=datetime.datetime.utcnow)
def __repr__(self):
return '<Shelf %d:%r>' % (self.id, self.name)
# Baseclass representing Relationship between books and Shelfs in Calibre-Web in app.db (N:M)
class BookShelf(Base):
__tablename__ = 'book_shelf_link'
id = Column(Integer, primary_key=True)
book_id = Column(Integer)
order = Column(Integer)
shelf = Column(Integer, ForeignKey('shelf.id'))
date_added = Column(DateTime, default=datetime.datetime.utcnow)
def __repr__(self):
return '<Book %r>' % self.id
# This table keeps track of deleted Shelves so that deletes can be propagated to any paired Kobo device.
class ShelfArchive(Base):
__tablename__ = 'shelf_archive'
id = Column(Integer, primary_key=True)
uuid = Column(String)
user_id = Column(Integer, ForeignKey('user.id'))
last_modified = Column(DateTime, default=datetime.datetime.utcnow)
class ReadBook(Base):
__tablename__ = 'book_read_link'
STATUS_UNREAD = 0
STATUS_FINISHED = 1
STATUS_IN_PROGRESS = 2
id = Column(Integer, primary_key=True)
book_id = Column(Integer, unique=False)
user_id = Column(Integer, ForeignKey('user.id'), unique=False)
read_status = Column(Integer, unique=False, default=STATUS_UNREAD, nullable=False)
kobo_reading_state = relationship("KoboReadingState", uselist=False,
primaryjoin="and_(ReadBook.user_id == foreign(KoboReadingState.user_id), "
"ReadBook.book_id == foreign(KoboReadingState.book_id))",
cascade="all",
backref=backref("book_read_link",
uselist=False))
last_modified = Column(DateTime, default=datetime.datetime.utcnow, onupdate=datetime.datetime.utcnow)
last_time_started_reading = Column(DateTime, nullable=True)
times_started_reading = Column(Integer, default=0, nullable=False)
class Bookmark(Base):
__tablename__ = 'bookmark'
id = Column(Integer, primary_key=True)
user_id = Column(Integer, ForeignKey('user.id'))
book_id = Column(Integer)
format = Column(String(collation='NOCASE'))
bookmark_key = Column(String)
# Baseclass representing books that are archived on the user's Kobo device.
class ArchivedBook(Base):
__tablename__ = 'archived_book'
id = Column(Integer, primary_key=True)
user_id = Column(Integer, ForeignKey('user.id'))
book_id = Column(Integer)
is_archived = Column(Boolean, unique=False)
last_modified = Column(DateTime, default=datetime.datetime.utcnow)
# The Kobo ReadingState API keeps track of 4 timestamped entities:
# ReadingState, StatusInfo, Statistics, CurrentBookmark
# Which we map to the following 4 tables:
# KoboReadingState, ReadBook, KoboStatistics and KoboBookmark
class KoboReadingState(Base):
__tablename__ = 'kobo_reading_state'
id = Column(Integer, primary_key=True, autoincrement=True)
user_id = Column(Integer, ForeignKey('user.id'))
book_id = Column(Integer)
last_modified = Column(DateTime, default=datetime.datetime.utcnow, onupdate=datetime.datetime.utcnow)
priority_timestamp = Column(DateTime, default=datetime.datetime.utcnow, onupdate=datetime.datetime.utcnow)
current_bookmark = relationship("KoboBookmark", uselist=False, backref="kobo_reading_state", cascade="all")
statistics = relationship("KoboStatistics", uselist=False, backref="kobo_reading_state", cascade="all")
class KoboBookmark(Base):
__tablename__ = 'kobo_bookmark'
id = Column(Integer, primary_key=True)
kobo_reading_state_id = Column(Integer, ForeignKey('kobo_reading_state.id'))
last_modified = Column(DateTime, default=datetime.datetime.utcnow, onupdate=datetime.datetime.utcnow)
location_source = Column(String)
location_type = Column(String)
location_value = Column(String)
progress_percent = Column(Float)
content_source_progress_percent = Column(Float)
class KoboStatistics(Base):
__tablename__ = 'kobo_statistics'
id = Column(Integer, primary_key=True)
kobo_reading_state_id = Column(Integer, ForeignKey('kobo_reading_state.id'))
last_modified = Column(DateTime, default=datetime.datetime.utcnow, onupdate=datetime.datetime.utcnow)
remaining_time_minutes = Column(Integer)
spent_reading_minutes = Column(Integer)
# Updates the last_modified timestamp in the KoboReadingState table if any of its children tables are modified.
@event.listens_for(Session, 'before_flush')
def receive_before_flush(session, flush_context, instances):
for change in itertools.chain(session.new, session.dirty):
if isinstance(change, (ReadBook, KoboStatistics, KoboBookmark)):
if change.kobo_reading_state:
change.kobo_reading_state.last_modified = datetime.datetime.utcnow()
# Maintain the last_modified bit for the Shelf table.
for change in itertools.chain(session.new, session.deleted):
if isinstance(change, BookShelf):
change.ub_shelf.last_modified = datetime.datetime.utcnow()
# Baseclass representing Downloads from calibre-web in app.db
class Downloads(Base):
__tablename__ = 'downloads'
id = Column(Integer, primary_key=True)
book_id = Column(Integer)
user_id = Column(Integer, ForeignKey('user.id'))
def __repr__(self):
return '<Download %r' % self.book_id
# Baseclass representing allowed domains for registration
class Registration(Base):
__tablename__ = 'registration'
id = Column(Integer, primary_key=True)
domain = Column(String)
allow = Column(Integer)
def __repr__(self):
return u"<Registration('{0}')>".format(self.domain)
class RemoteAuthToken(Base):
__tablename__ = 'remote_auth_token'
id = Column(Integer, primary_key=True)
auth_token = Column(String, unique=True)
user_id = Column(Integer, ForeignKey('user.id'))
verified = Column(Boolean, default=False)
expiration = Column(DateTime)
token_type = Column(Integer, default=0)
def __init__(self):
self.auth_token = (hexlify(os.urandom(4))).decode('utf-8')
self.expiration = datetime.datetime.now() + datetime.timedelta(minutes=10) # 10 min from now
def __repr__(self):
return '<Token %r>' % self.id
# Migrate database to current version, has to be updated after every database change. Currently migration from
# everywhere to curent should work. Migration is done by checking if relevant coloums are existing, and than adding
# rows with SQL commands
def migrate_Database(session):
engine = session.bind
if not engine.dialect.has_table(engine.connect(), "book_read_link"):
ReadBook.__table__.create(bind=engine)
if not engine.dialect.has_table(engine.connect(), "bookmark"):
Bookmark.__table__.create(bind=engine)
if not engine.dialect.has_table(engine.connect(), "kobo_reading_state"):
KoboReadingState.__table__.create(bind=engine)
if not engine.dialect.has_table(engine.connect(), "kobo_bookmark"):
KoboBookmark.__table__.create(bind=engine)
if not engine.dialect.has_table(engine.connect(), "kobo_statistics"):
KoboStatistics.__table__.create(bind=engine)
if not engine.dialect.has_table(engine.connect(), "archived_book"):
ArchivedBook.__table__.create(bind=engine)
if not engine.dialect.has_table(engine.connect(), "registration"):
ReadBook.__table__.create(bind=engine)
conn = engine.connect()
conn.execute("insert into registration (domain, allow) values('%.%',1)")
session.commit()
try:
session.query(exists().where(Registration.allow)).scalar()
session.commit()
except exc.OperationalError: # Database is not compatible, some columns are missing
conn = engine.connect()
conn.execute("ALTER TABLE registration ADD column 'allow' INTEGER")
conn.execute("update registration set 'allow' = 1")
session.commit()
try:
session.query(exists().where(RemoteAuthToken.token_type)).scalar()
session.commit()
except exc.OperationalError: # Database is not compatible, some columns are missing
conn = engine.connect()
conn.execute("ALTER TABLE remote_auth_token ADD column 'token_type' INTEGER DEFAULT 0")
conn.execute("update remote_auth_token set 'token_type' = 0")
session.commit()
try:
session.query(exists().where(ReadBook.read_status)).scalar()
except exc.OperationalError:
conn = engine.connect()
conn.execute("ALTER TABLE book_read_link ADD column 'read_status' INTEGER DEFAULT 0")
conn.execute("UPDATE book_read_link SET 'read_status' = 1 WHERE is_read")
conn.execute("ALTER TABLE book_read_link ADD column 'last_modified' DATETIME")
conn.execute("ALTER TABLE book_read_link ADD column 'last_time_started_reading' DATETIME")
conn.execute("ALTER TABLE book_read_link ADD column 'times_started_reading' INTEGER DEFAULT 0")
session.commit()
test = session.query(ReadBook).filter(ReadBook.last_modified == None).all()
for book in test:
book.last_modified = datetime.datetime.utcnow()
session.commit()
try:
session.query(exists().where(Shelf.uuid)).scalar()
except exc.OperationalError:
conn = engine.connect()
conn.execute("ALTER TABLE shelf ADD column 'uuid' STRING")
conn.execute("ALTER TABLE shelf ADD column 'created' DATETIME")
conn.execute("ALTER TABLE shelf ADD column 'last_modified' DATETIME")
conn.execute("ALTER TABLE book_shelf_link ADD column 'date_added' DATETIME")
for shelf in session.query(Shelf).all():
shelf.uuid = str(uuid.uuid4())
shelf.created = datetime.datetime.now()
shelf.last_modified = datetime.datetime.now()
for book_shelf in session.query(BookShelf).all():
book_shelf.date_added = datetime.datetime.now()
session.commit()
# Handle table exists, but no content
cnt = session.query(Registration).count()
if not cnt:
conn = engine.connect()
conn.execute("insert into registration (domain, allow) values('%.%',1)")
session.commit()
try:
session.query(exists().where(BookShelf.order)).scalar()
except exc.OperationalError: # Database is not compatible, some columns are missing
conn = engine.connect()
conn.execute("ALTER TABLE book_shelf_link ADD column 'order' INTEGER DEFAULT 1")
session.commit()
try:
create = False
session.query(exists().where(User.sidebar_view)).scalar()
except exc.OperationalError: # Database is not compatible, some columns are missing
conn = engine.connect()
conn.execute("ALTER TABLE user ADD column `sidebar_view` Integer DEFAULT 1")
session.commit()
create = True
try:
if create:
conn = engine.connect()
conn.execute("SELECT language_books FROM user")
session.commit()
except exc.OperationalError:
conn = engine.connect()
conn.execute("UPDATE user SET 'sidebar_view' = (random_books* :side_random + language_books * :side_lang "
"+ series_books * :side_series + category_books * :side_category + hot_books * "
":side_hot + :side_autor + :detail_random)",
{'side_random': constants.SIDEBAR_RANDOM, 'side_lang': constants.SIDEBAR_LANGUAGE,
'side_series': constants.SIDEBAR_SERIES, 'side_category': constants.SIDEBAR_CATEGORY,
'side_hot': constants.SIDEBAR_HOT, 'side_autor': constants.SIDEBAR_AUTHOR,
'detail_random': constants.DETAIL_RANDOM})
session.commit()
try:
session.query(exists().where(User.denied_tags)).scalar()
except exc.OperationalError: # Database is not compatible, some columns are missing
conn = engine.connect()
conn.execute("ALTER TABLE user ADD column `denied_tags` String DEFAULT ''")
conn.execute("ALTER TABLE user ADD column `allowed_tags` String DEFAULT ''")
conn.execute("ALTER TABLE user ADD column `denied_column_value` DEFAULT ''")
conn.execute("ALTER TABLE user ADD column `allowed_column_value` DEFAULT ''")
session.commit()
if session.query(User).filter(User.role.op('&')(constants.ROLE_ANONYMOUS) == constants.ROLE_ANONYMOUS).first() \
is None:
create_anonymous_user(session)
try:
# check if one table with autoincrement is existing (should be user table)
conn = engine.connect()
conn.execute("SELECT COUNT(*) FROM sqlite_sequence WHERE name='user'")
except exc.OperationalError:
# Create new table user_id and copy contents of table user into it
conn = engine.connect()
conn.execute("CREATE TABLE user_id (id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,"
" nickname VARCHAR(64),"
"email VARCHAR(120),"
"role SMALLINT,"
"password VARCHAR,"
"kindle_mail VARCHAR(120),"
"locale VARCHAR(2),"
"sidebar_view INTEGER,"
"default_language VARCHAR(3),"
"UNIQUE (nickname),"
"UNIQUE (email))")
conn.execute("INSERT INTO user_id(id, nickname, email, role, password, kindle_mail,locale,"
"sidebar_view, default_language) "
"SELECT id, nickname, email, role, password, kindle_mail, locale,"
"sidebar_view, default_language FROM user")
# delete old user table and rename new user_id table to user:
conn.execute("DROP TABLE user")
conn.execute("ALTER TABLE user_id RENAME TO user")
session.commit()
# Remove login capability of user Guest
conn = engine.connect()
conn.execute("UPDATE user SET password='' where nickname = 'Guest' and password !=''")
session.commit()
def clean_database(session):
# Remove expired remote login tokens
now = datetime.datetime.now()
session.query(RemoteAuthToken).filter(now > RemoteAuthToken.expiration).\
filter(RemoteAuthToken.token_type != 1).delete()
session.commit()
# Save downloaded books per user in calibre-web's own database
def update_download(book_id, user_id):
check = session.query(Downloads).filter(Downloads.user_id == user_id).filter(Downloads.book_id == book_id).first()
if not check:
new_download = Downloads(user_id=user_id, book_id=book_id)
session.add(new_download)
session.commit()
# Delete non exisiting downloaded books in calibre-web's own database
def delete_download(book_id):
session.query(Downloads).filter(book_id == Downloads.book_id).delete()
session.commit()
# Generate user Guest (translated text), as anoymous user, no rights
def create_anonymous_user(session):
user = User()
user.nickname = "Guest"
user.email = 'no@email'
user.role = constants.ROLE_ANONYMOUS
user.password = ''
session.add(user)
try:
session.commit()
except Exception:
session.rollback()
# Generate User admin with admin123 password, and access to everything
def create_admin_user(session):
user = User()
user.nickname = "admin"
user.role = constants.ADMIN_USER_ROLES
user.sidebar_view = constants.ADMIN_USER_SIDEBAR
user.password = generate_password_hash(constants.DEFAULT_PASSWORD)
session.add(user)
try:
session.commit()
except Exception:
session.rollback()
def init_db(app_db_path):
# Open session for database connection
global session
engine = create_engine(u'sqlite:///{0}'.format(app_db_path), echo=False)
Session = sessionmaker()
Session.configure(bind=engine)
session = Session()
if os.path.exists(app_db_path):
Base.metadata.create_all(engine)
migrate_Database(session)
clean_database(session)
else:
Base.metadata.create_all(engine)
create_admin_user(session)
create_anonymous_user(session)
def dispose():
global session
old_session = session
session = None
if old_session:
try:
old_session.close()
except Exception:
pass
if old_session.bind:
try:
old_session.bind.dispose()
except Exception:
pass