o Q` @sdZddlmZddlmZddlZddlmZddlmZddlmZdd l m Z dd l m Z dd l m Z dd l m Z ejrSdd lmZmZmZmZmZddlmZddZdddZddZddZdS)z2Miscellaneous tools for operating on filesystems. )print_function)unicode_literalsN)errors)DirectoryNotEmpty)ResourceNotFound)abspath)dirname)normpath) recursepath)IOListOptionalTextUnion)FScCsPtt|}z|dvr||t|}|dvs WdSWdSty'YdSw)zRemove all empty parents. Arguments: fs (FS): A filesystem instance. path (str): Path to a directory on the filesystem. )/N)rr Z removedirr r)fspathr*/usr/lib/python3/dist-packages/fs/tools.py remove_emptys   rcsB|durdn||j|j}tfdddD]}||qdS)aCopy data from one file object to another. Arguments: src_file (io.IOBase): File open for reading. dst_file (io.IOBase): File open for writing. chunk_size (int): Number of bytes to copy at a time (or `None` to use sensible default). Nics pdSNrrZ _chunk_sizereadrr8s z copy_file_data..)rwriteiter)Zsrc_fileZdst_fileZ chunk_sizerchunkrrrcopy_file_data(s  r c Csg}|4tt|ddD]#}z||}Wnty(|t|Yqw|jr.nt|Wdn1s=wY|dddddS)akGet a list of non-existing intermediate directories. Arguments: fs (FS): A filesystem instance. dir_path (str): A path to a new directory on the filesystem. Returns: list: A list of non-existing paths. Raises: ~fs.errors.DirectoryExpected: If a path component references a file and not a directory. T)reverseN) lockr rZgetinforappendis_dirrZDirectoryExpected)rZdir_pathZ intermediatesrZresourcerrrget_intermediate_dirs=s    r&cGstdd|DS)zCheck if all filesystems are thread-safe. Arguments: filesystems (FS): Filesystems instances to check. Returns: bool: if all filesystems are thread safe. css |] }|ddVqdS)Z thread_safeFN)Zgetmetaget).0rrrr fsz!is_thread_safe..)all)Z filesystemsrrris_thread_safe[s r+r)__doc__Z __future__rrtypingrrrrrrr r r Z TYPE_CHECKINGr r rrrbaserrr r&r+rrrrs$