209 lines
7.6 KiB
Python
209 lines
7.6 KiB
Python
import os
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import tarfile
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import shutil
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from pathlib import Path
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import psutil
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def tar(mode, archive, sfiles=None, verbose=False, change_dir=None):
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"""
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Description:
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Create or extract a tar archive.
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Args:
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mode: 'c' for create or 'x' for extract
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archive: the archive file name
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files: a list of files to add to the archive (when creating) or extract (when extracting); None to extract all files
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verbose: whether to print the names of the files as they are being processed
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change_dir: the directory to change to before performing any other operations; None to use the current directory
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Usage:
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# Create a new archive
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tar(mode='c', archive='archive.tar', sfiles=['file1.txt', 'file2.txt'])
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# Extract files from an archive
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tar(mode='x', archive='archive.tar')
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# Create a new archive with verbose mode and input directory
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tar(mode='c', archive='archive.tar', sfiles='./some_directory', verbose=True)
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# Extract files from an archive with verbose mode and change directory
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tar(mode='x', archive='archive.tar', verbose=True, change_dir='./some_directory')
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"""
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if mode == 'c':
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# os.chdir(change_dir)
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with tarfile.open(archive, mode='w') as tar:
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# check if input option file is a list or string
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if isinstance(sfiles, list):
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for file in sfiles:
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if verbose:
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print(f"Adding {file} to {archive}")
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tar.add(file)
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# take it as a folder name string
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else:
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for folder_path, subfolders, files in os.walk(sfiles):
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for file in files:
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if verbose:
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print(f"Adding {os.path.join(folder_path, file)} to {archive}")
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tar.add(os.path.join(folder_path, file))
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elif mode == 'x':
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with tarfile.open(archive, mode='r') as tar:
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# sfiles is set to all files in the archive if not specified
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if not sfiles:
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sfiles = tar.getnames()
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for file in sfiles:
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if verbose:
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print(f"Extracting {file} from {archive}")
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# extra to specified directory
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if change_dir:
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tar.extract(file, path=change_dir)
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else:
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tar.extract(file)
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def rm(path, force=False, recursive=False):
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"""
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Description:
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Remove a file or directory.
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Args:
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path (str): Path of the file or directory to remove.
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force (bool): If True, ignore non-existent files and errors. Default is False.
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recursive (bool): If True, remove directories and their contents recursively. Default is False.
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Usage:
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# Remove the file
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rm(dst)
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# Remove a directory recursively
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rm("directory/path", recursive=True)
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"""
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path_obj = Path(path)
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try:
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if path_obj.is_file() or (path_obj.is_symlink() and not path_obj.is_dir()):
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path_obj.unlink()
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elif path_obj.is_dir() and recursive:
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shutil.rmtree(path)
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elif path_obj.is_dir():
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raise ValueError("Cannot remove directory without recursive=True")
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else:
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raise ValueError("File or directory does not exist")
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except Exception as e:
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if not force:
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raise e
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def cp(src, dst, recursive=False, dereference=False, preserve=True):
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"""
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Description:
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Copy a file or directory from source path to destination path.
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Args:
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src (str): Source file or directory path.
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dst (str): Destination file or directory path.
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recursive (bool): If True, copy directory and its contents recursively. Default is False.
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dereference (bool): If True, always dereference symbolic links. Default is False.
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preserve (bool): If True, preserve file metadata. Default is True.
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Usage:
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src = "source/file/path.txt"
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dst = "destination/file/path.txt"
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# Copy the file
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cp(src, dst)
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# Copy a directory recursively and dereference symlinks
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cp("source/directory", "destination/directory", recursive=True, dereference=True)
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"""
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src_path = Path(src)
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dst_path = Path(dst)
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if dereference:
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src_path = src_path.resolve()
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if src_path.is_dir() and recursive:
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if preserve:
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shutil.copytree(src_path, dst_path, copy_function=shutil.copy2, symlinks=not dereference)
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else:
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shutil.copytree(src_path, dst_path, symlinks=not dereference)
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elif src_path.is_file():
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if preserve:
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shutil.copy2(src_path, dst_path)
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else:
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shutil.copy(src_path, dst_path)
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else:
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raise ValueError("Source must be a file or a directory with recursive=True")
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def mv(src, dest, force=False):
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"""
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Description:
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Move or rename files and directories.
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Args:
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src (str): Source file or directory path.
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dest (str): Destination file or directory path.
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force (bool): If True, overwrite the destination if it exists. Default is False.
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Usage:
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# Rename a file
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mv('old_name.txt', 'new_name.txt')
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# Move a file to a new directory
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mv('file.txt', 'new_directory/file.txt')
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# Move a directory to another directory
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mv('source_directory', 'destination_directory')
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# Force move (overwrite) a file or directory
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mv('source_file.txt', 'existing_destination_file.txt', force=True)
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"""
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src_path = Path(src)
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dest_path = Path(dest)
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if src_path.exists():
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if dest_path.exists() and not force:
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raise FileExistsError(f"Destination path '{dest}' already exists and 'force' is not set")
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else:
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if dest_path.is_file():
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dest_path.unlink()
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elif dest_path.is_dir():
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shutil.rmtree(dest_path)
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if src_path.is_file() or src_path.is_dir():
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shutil.move(src, dest)
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else:
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raise FileNotFoundError(f"Source path '{src}' does not exist")
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def format_size(size, human_readable):
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if human_readable:
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for unit in ['B', 'K', 'M', 'G', 'T', 'P']:
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if size < 1024:
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return f"{size:.1f}{unit}"
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size /= 1024
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else:
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return str(size)
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def df(show_all=False, human_readable=False):
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"""
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Description:
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Get disk usage statistics.
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Args:
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show_all (bool): If True, include all filesystems. Default is False.
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human_readable (bool): If True, format sizes in human readable format. Default is False.
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Usage:
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filesystems = df(show_all=True, human_readable=True)
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for filesystem in filesystems:
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print(f"Filesystem: {filesystem['filesystem']}")
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print(f"Total: {filesystem['total']}")
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print(f"Used: {filesystem['used']}")
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print(f"Free: {filesystem['free']}")
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print(f"Percent: {filesystem['percent']}%")
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print(f"Mountpoint: {filesystem['mountpoint']}")
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"""
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partitions = psutil.disk_partitions(all=show_all)
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result = []
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for partition in partitions:
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usage = psutil.disk_usage(partition.mountpoint)
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partition_info = {
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'filesystem': partition.device,
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'total': format_size(usage.total, human_readable),
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'used': format_size(usage.used, human_readable),
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'free': format_size(usage.free, human_readable),
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'percent': usage.percent,
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'mountpoint': partition.mountpoint,
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}
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result.append(partition_info)
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return result
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