mirror of
https://github.com/Mayuri-Chan/pyrofork.git
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94 lines
2.4 KiB
Python
94 lines
2.4 KiB
Python
# Pyrofork - Telegram MTProto API Client Library for Python
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# Copyright (C) 2017-present Dan <https://github.com/delivrance>
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# Copyright (C) 2022-present Mayuri-Chan <https://github.com/Mayuri-Chan>
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#
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# This file is part of Pyrofork.
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#
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# Pyrofork is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published
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# by the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Pyrofork is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with Pyrofork. If not, see <http://www.gnu.org/licenses/>.
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import logging
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import os
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import sqlite3
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from pathlib import Path
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from .sqlite_storage import SQLiteStorage
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log = logging.getLogger(__name__)
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UPDATE_STATE_SCHEMA = """
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CREATE TABLE update_state
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(
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id INTEGER PRIMARY KEY,
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pts INTEGER,
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qts INTEGER,
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date INTEGER,
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seq INTEGER
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);
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"""
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class FileStorage(SQLiteStorage):
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FILE_EXTENSION = ".session"
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def __init__(self, name: str, workdir: Path):
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super().__init__(name)
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self.database = workdir / (self.name + self.FILE_EXTENSION)
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def update(self):
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version = self.version()
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if version == 1:
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with self.conn:
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self.conn.execute("DELETE FROM peers")
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version += 1
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if version == 2:
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with self.conn:
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self.conn.execute("ALTER TABLE sessions ADD api_id INTEGER")
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version += 1
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if version == 3:
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with self.conn:
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self.conn.executescript(UPDATE_STATE_SCHEMA)
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version += 1
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if version == 4:
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with self.conn:
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self.conn.executescript(self.UPDATE_DC_SCHEMA)
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version += 1
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self.version(version)
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async def open(self):
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path = self.database
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file_exists = path.is_file()
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self.conn = sqlite3.connect(str(path), timeout=1, check_same_thread=False)
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if not file_exists:
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self.create()
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else:
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self.update()
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with self.conn:
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self.conn.execute("VACUUM")
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async def delete(self):
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os.remove(self.database)
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