Source code for PyFunceble.helpers.file

The tool to check the availability or syntax of domain, IP or URL.


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Provides the file helpers.

    Nissar Chababy, @funilrys, contactTATAfunilrysTODTODcom

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    Copyright 2017, 2018, 2019, 2020, 2022, 2023 Nissar Chababy

    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
    You may obtain a copy of the License at

    Unless required by applicable law or agreed to in writing, software
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.

import os
import shutil
from typing import Any, Optional

from import DirectoryHelper

[docs]class FileHelper: """ Simplify the file manipulations. :param str path: The file path to work with. """ _path: Optional[str] = None def __init__(self, path: Optional[str] = None): if path: self.path = path @property def path(self) -> Optional[str]: """ Provides the current state of the :code:`_path` attribute. """ return self._path @path.setter def path(self, value: str) -> None: """ Sets the path to work with. :param value: The path to work with. :raise TypeError: When :code:`value` is a :py:class:`value`. """ if not isinstance(value, str): raise TypeError(f"<value> should be {str}, {type(value)} is given.") self._path = value
[docs] def set_path(self, value: str) -> "FileHelper": """ Sets the path to work with. :param value: The path to work with. """ self.path = value return self
[docs] def join_path(self, *args) -> str: """ Joins the given arguments with the given path. """ return os.path.join(self.path, *args)
[docs] def exists(self) -> bool: """ Checks if the given file path exists. """ return os.path.isfile(self.path)
[docs] def get_size(self) -> int: """ Provides the size (in bytes) of the given file path. """ return os.stat(self.path).st_size
[docs] def is_empty(self) -> bool: """ Checks if the given file path is empty. """ return self.get_size() <= 0
[docs] def delete(self) -> "FileHelper": """ Deletes the given file path if it exists. """ if self.exists(): os.remove(self.path) return self
[docs] def write( self, data: Any, *, overwrite: bool = False, encoding: str = "utf-8" ) -> "FileHelper": """ Write the given data into the given file path. :param data: The data to write. :param encoding: The encoding to use while opening the file. """ if overwrite or not self.exists(): DirectoryHelper(os.path.dirname(self.path)).create() with"w", encoding=encoding) as file_stream: file_stream.write(data) else: with"a", encoding=encoding) as file_stream: file_stream.write(data) return self
[docs] def read(self, *, encoding: str = "utf-8") -> Optional[str]: """ Read the given file path and return it's content. :param str encoding: The encoding to use. """ data = None if self.exists(): with"r", encoding=encoding) as file_stream: data = return data
[docs] def read_bytes(self) -> Optional[bytes]: """ Read the given file ath and returns it's bytes contetn. """ data = None if self.exists(): with"rb") as file_stream: data = return data
[docs] def open(self, *args, **kwargs) -> "open": """ A wrapper for the built-in :py:class:`open` function. """ return open(self.path, *args, **kwargs) # pylint: disable=unspecified-encoding
[docs] def copy(self, destination: str) -> "FileHelper": """ Copy the globaly given file path to the given destination. :param str destination: The destination of the copy. """ if self.exists(): shutil.copy(self.path, destination) return self
[docs] def move(self, destination) -> "FileHelper": """ Move the globally given file path to the given destination. :param str destination: The destination of the file. """ if self.exists(): shutil.move(self.path, destination) return self