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import json, os, sqlite3, threading, time
class Database(object):
def __init__(self, bot, location="bot.db"):
self.bot = bot
self.location = location
self.full_location = os.path.join(bot.bot_directory,
self.location)
self.database = sqlite3.connect(self.full_location,
check_same_thread=False, isolation_level=None)
self.database.execute("PRAGMA foreign_keys = ON")
self._cursor = None
self.make_servers_table()
self.make_bot_settings_table()
self.make_server_settings_table()
self.make_channel_settings_table()
self.make_user_settings_table()
self.make_user_channel_settings_table()
def cursor(self):
if self._cursor == None:
self._cursor = self.database.cursor()
return self._cursor
def _execute_fetch(self, query, fetch_func, params=[]):
printable_query = " ".join(query.split())
self.bot.events.on("log.debug").call(
message="executing query: \"%s\" (params: %s)",
params=[printable_query, params])
start = time.time()
cursor = self.cursor()
cursor.execute(query, params)
value = fetch_func(cursor)
end = time.time()
total_milliseconds = (end - start) * 1000
self.bot.events.on("log.debug").call(
message="executed in %fms",
params=[total_milliseconds])
return value
def execute_fetchall(self, query, params=[]):
return self._execute_fetch(query,
lambda cursor: cursor.fetchall(), params)
def execute_fetchone(self, query, params=[]):
return self._execute_fetch(query,
lambda cursor: cursor.fetchone(), params)
def execute(self, query, params=[]):
return self._execute_fetch(query, lambda cursor: None, params)
def make_servers_table(self):
try:
self.execute("""CREATE TABLE servers
(server_id INTEGER PRIMARY KEY,
hostname TEXT, port INTEGER, password TEXT,
ipv4 BOOLEAN, tls BOOLEAN, nickname TEXT,
username TEXT, realname TEXT)""")
except sqlite3.Error as e:
pass
def make_bot_settings_table(self):
try:
self.execute("""CREATE TABLE bot_settings
(setting TEXT PRIMARY KEY, value TEXT)""")
except sqlite3.Error as e:
pass
def make_server_settings_table(self):
try:
self.execute("""CREATE TABLE server_settings
(server_id INTEGER, setting TEXT, value TEXT,
FOREIGN KEY(server_id) REFERENCES
servers(server_id) ON DELETE CASCADE,
PRIMARY KEY (server_id, setting))""")
except sqlite3.Error as e:
pass
def make_channel_settings_table(self):
try:
self.execute("""CREATE TABLE channel_settings
(server_id INTEGER, channel TEXT, setting TEXT,
value TEXT, FOREIGN KEY (server_id) REFERENCES
servers(server_id) ON DELETE CASCADE,
PRIMARY KEY (server_id, channel, setting))""")
except sqlite3.Error as e:
pass
def make_user_settings_table(self):
try:
self.execute("""CREATE TABLE user_settings
(server_id INTEGER, nickname TEXT, setting TEXT,
value TEXT, FOREIGN KEY (server_id) REFERENCES
servers(server_id) ON DELETE CASCADE,
PRIMARY KEY (server_id, nickname, setting))""")
except sqlite3.Error as e:
pass
def make_user_channel_settings_table(self):
try:
self.execute("""CREATE TABLE user_channel_settings
(server_id INTEGER, channel TEXT, nickname TEXT,
setting TEXT, value TEXT, FOREIGN KEY (server_id)
REFERENCES servers(server_id) ON DELETE CASCADE,
PRIMARY KEY (server_id, nickname, channel, setting))""")
except sqlite3.Error as e:
pass
def add_server(self, hostname, port, password, ipv4, tls, nickname,
username=None, realname=None):
username = username or nickname
realname = realname or nickname
self.execute(
"""INSERT INTO servers (hostname, port, password, ipv4,
tls, nickname, username, realname) VALUES (
?, ?, ?, ?, ?, ?, ?, ?)""",
[hostname, port, password, ipv4, tls, nickname, username, realname])
def get_servers(self):
return self.execute_fetchall(
"""SELECT server_id, hostname, port, password, ipv4,
tls, nickname, username, realname FROM servers""")
def get_server(self, id):
return self.execute_fetchone(
"""SELECT server_id, hostname, port, password, ipv4,
tls, nickname, username, realname FROM servers WHERE
server_id=?""",
[id])
def set_bot_setting(self, setting, value):
self.execute(
"INSERT OR REPLACE INTO bot_settings VALUES (?, ?)",
[setting.lower(), json.dumps(value)])
def get_bot_setting(self, setting, default=None):
value = self.execute_fetchone(
"SELECT value FROM bot_settings WHERE setting=?",
[setting.lower()])
if value:
return json.loads(value[0])
return default
def find_bot_settings(self, pattern, default=[]):
values = self.execute_fetchall(
"SELECT setting, value FROM bot_settings WHERE setting LIKE ?",
[pattern.lower()])
if values:
for i, value in enumerate(values):
values[i] = value[0], json.loads(value[1])
return values
return default
def find_bot_settings_prefix(self, prefix, default=[]):
return self.find_bot_settings("%s%" % prefix, default)
def del_bot_setting(self, setting):
self.execute(
"DELETE FROM bot_settings WHERE setting=?",
[setting.lower()])
def set_server_setting(self, server_id, setting, value):
self.execute(
"INSERT OR REPLACE INTO server_settings VALUES (?, ?, ?)",
[server_id, setting.lower(), json.dumps(value)])
def get_server_setting(self, server_id, setting, default=None):
value = self.execute_fetchone(
"""SELECT value FROM server_settings WHERE
server_id=? AND setting=?""",
[server_id,setting.lower()])
if value:
return json.loads(value[0])
return default
def find_server_settings(self, server_id, pattern, default=[]):
values = self.execute_fetchall(
"""SELECT setting, value FROM server_settings WHERE
server_id=? AND setting LIKE ?""",
[server_id, pattern.lower()])
if values:
for i, value in enumerate(values):
values[i] = value[0], json.loads(value[1])
return values
return default
def find_server_settings_prefix(self, server_id, prefix, default=[]):
return self.find_server_settings(server_id, "%s%" % prefix, default)
def del_server_setting(self, server_id, setting):
self.execute(
"DELETE FROM server_settings WHERE server_id=? AND setting=?",
[server_id, setting.lower()])
def set_channel_setting(self, server_id, channel, setting, value):
self.execute(
"INSERT OR REPLACE INTO channel_settings VALUES (?, ?, ?, ?)",
[server_id, channel.lower(), setting.lower(), json.dumps(value)])
def get_channel_setting(self, server_id, channel, setting, default=None):
value = self.execute_fetchone(
"""SELECT value FROM channel_settings WHERE
server_id=? AND channel=? AND setting=?""",
[server_id, channel.lower(), setting.lower()])
if value:
return json.loads(value[0])
return default
def find_channel_settings(self, server_id, channel, pattern, default=[]):
values = self.execute_fetchall(
"""SELECT setting, value FROM channel_settings WHERE
server_id=? AND channel=? setting LIKE '?'""",
[server_id, channel.lower(), pattern.lower()])
if values:
for i, value in enumerate(values):
values[i] = value[0], json.loads(value[1])
return values
return default
def find_channel_settings_prefix(self, server_id, channel, prefix,
default=[]):
return self.find_channel_settings(server_id, channel, "%s%" % prefix,
default)
def del_channel_setting(self, server_id, channel, setting):
self.execute(
"""DELETE FROM channel_settings WHERE
server_id=? AND channel=? AND setting=?""",
[server_id, channel.lower(), setting.lower()])
def set_user_setting(self, server_id, nickname, setting, value):
self.execute(
"INSERT OR REPLACE INTO user_settings VALUES (?, ?, ?, ?)",
[server_id, nickname.lower(), setting.lower(), json.dumps(value)])
def get_user_setting(self, server_id, nickname, setting, default=None):
value = self.execute_fetchone(
"""SELECT value FROM user_settings WHERE
server_id=? AND nickname=? and setting=?""",
[server_id, nickname.lower(), setting.lower()])
if value:
return json.loads(value[0])
return default
def get_all_user_settings(self, server_id, setting, default=[]):
values = self.execute_fetchall(
"""SELECT nickname, setting, value FROM user_settings WHERE
server_id=? AND setting=?""",
[server_id, setting])
if values:
for i, value in enumerate(values):
values[i] = value[0], value[1], json.loads(value[2])
return values
return default
def find_user_settings(self, server_id, nickname, pattern, default=[]):
values = self.cursor().execute(
"""SELECT setting, value FROM user_settings WHERE
server_id=? AND nickname=? AND setting LIKE '?'""",
[server_id, nickname.lower(), pattern.lower()])
if values:
for i, value in enumerate(values):
values[i] = value[0], json.loads(value[1])
return values
return default
def find_user_settings_prefix(self, server_id, nickname, prefix,
default=[]):
return self.find_user_settings(server_id, nickname, "%s%" % prefix,
default)
def del_user_setting(self, server_id, nickname, setting):
self.execute(
"""DELETE FROM user_settings WHERE
server_id=? AND nickname=? AND setting=?""",
[server_id, nickname.lower(), setting.lower()])
def set_user_channel_setting(self, server_id, channel, nickname,
setting, value):
self.execute(
"""INSERT OR REPLACE INTO user_channel_settings VALUES
(?, ?, ?, ?, ?)""",
[server_id, channel.lower(), nickname.lower(), setting.lower(),
json.dumps(value)])
def get_user_channel_setting(self, server_id, channel, nickname,
setting, default=None):
value = self.execute_fetchone(
"""SELECT value FROM user_channel_settings WHERE
server_id=? AND channel=? AND nickname=? and setting=?""",
[server_id, channel.lower(), nickname.lower(), setting.lower()])
if value:
return json.loads(value[0])
return default
def find_user_channel_settings(self, server_id, channel, nickname,
pattern, default=[]):
values = self.cursor().execute(
"""SELECT setting, value FROM user_channel_settings WHERE
server_id=? AND channel=? AND nickname=? AND setting LIKE '?'""",
[server_id, channel.lower(), nickname.lower(), pattern.lower()])
if values:
for i, value in enumerate(values):
values[i] = value[0], json.loads(value[1])
return values
return default
def find_user_channel_settings_prefix(self, server_id, channel, nickname,
prefix, default=[]):
return self.find_user_settings(server_id, nickname, "%s%" % prefix,
default)
def del_user_channel_setting(self, server_id, channel, nickname, setting):
self.execute(
"""DELETE FROM user_channel_settings WHERE
server_id=? AND channel=? AND nickname=? AND setting=?""",
[server_id, channel.lower(), nickname.lower(), setting.lower()])
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