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- import os
- from datetime import datetime
- from darabonba.date import Date
- class File:
- def __init__(self, path: str):
- self._path = path
- self._file = None
- @staticmethod
- def exists(path: str) -> bool:
- return os.path.exists(path)
- def path(self) -> str:
- return self._path
- def length(self) -> int:
- return os.path.getsize(self._path)
- def create_time(self) -> Date:
- ctime = os.path.getctime(self._path)
- return Date(datetime.fromtimestamp(ctime).isoformat())
- def modify_time(self) -> Date:
- mtime = os.path.getmtime(self._path)
- return Date(datetime.fromtimestamp(mtime).isoformat())
- def read(self, size: int) -> bytes:
- if self._file is None:
- self._file = open(self._path, 'rb')
- data = self._file.read(size)
- if not data:
- self._file.close()
- self._file = None
- return data
- def write(self, data: bytes) -> None:
- with open(self._path, 'ab') as f:
- f.write(data)
- @staticmethod
- def create_read_stream(path: str):
- return open(path, 'rb')
- @staticmethod
- def create_write_stream(path: str):
- return open(path, 'ab')
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