45 lines
1.5 KiB
Python
45 lines
1.5 KiB
Python
from pathlib import Path
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from qnloft_db.db_main import *
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import platform
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class SqliteDbMain(DbMain):
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def __init__(self, database_name):
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self.database_name = database_name
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super().__init__()
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self.engine = self.__create_sqlite_engine()
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self.engine_path = self.__get_path()
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self.session = self.get_session()
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self.inspector = inspect(self.engine)
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def __get_path(self):
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sys_platform = platform.platform().lower()
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print(f'当前操作系统：{platform.platform()}')
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__engine = ''
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if 'windows' in sys_platform.lower():
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__engine = f"E:\\sqlite_db\\stock_db\\{self.database_name}"
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elif 'macos' in sys_platform.lower():
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__engine = f"/Users/renmeng/Documents/sqlite_db/{self.database_name}"
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else:
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__engine = f"../sqlite_db/{self.database_name}"
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return __engine
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def __create_sqlite_engine(self):
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sys_platform = platform.platform().lower()
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__engine = ''
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if 'windows' in sys_platform.lower():
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__engine = f"sqlite:///E:\\sqlite_db\\stock_db\\{self.database_name}"
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elif 'macos' in sys_platform.lower():
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__engine = f"sqlite:////Users/renmeng/Documents/sqlite_db/{self.database_name}"
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else:
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__engine = f"sqlite:///{self.database_name}"
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print(f"当前__engine是：{__engine}")
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return create_engine(__engine, pool_size=10, pool_timeout=10, echo=True)
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def get_db_size(self):
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file_size = Path(self.engine_path).stat().st_size
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total = f"{file_size / (1024 * 1024):.2f} MB"
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print(f"文件大小: {file_size / (1024 * 1024):.2f} MB")
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return total
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