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a o�h�. � @ s d Z ddlZddlZddlZddlZddlZddlZddlmZ e� � Z dd� Z ej dkrddd� Z nd d� Z d d � Zd d � Zdd� Zd/eed�dd�ZG dd� de�Zd0ed�dd�Zdd� Zdd � Zd d � Zd d � Zd!d"� Zd#d$� Zd%d&� Z d'Z d(d)� Z d*d+� Z d1d-d.�Z dS )2z Utilities for path handling. � N)�systemc C s t j�| �ot �| t j�S )zBWhether `path` is a directory, to which the user has write access.)�os�path�isdir�access�W_OK�r � r ��/root/rpmbuild/BUILDROOT/imh-python39-modules-3.9.7-92.el8.x86_64/opt/imh-python/lib/python3.9/site-packages/IPython/utils/path.py� _writable_dir s r �win32c C s� z ddl }W n. ty: } ztd�|�W Y d}~n d}~0 0 |jjj}|j|j|jg|_|�d�}|| |d�}|dks~|dkr�| S |j S dS )z�Get a long path name (expand ~) on Windows using ctypes. Examples -------- >>> get_long_path_name('c:\\docume~1') 'c:\\Documents and Settings' r Nz2you need to have ctypes installed for this to worki ) �ctypes� ImportErrorZwindllZkernel32ZGetLongPathNameWZ c_wchar_pZc_uint�argtypesZcreate_unicode_buffer�value)r r �eZ_GetLongPathName�buf�rvr r r �_get_long_path_name s � r c C s | S )z Dummy no-op.r r r r r r 5 s c C s t | �S )z�Expand a path into its long form. On Windows this expands any ~ in the paths. On other platforms, it is a null operation. )r r r r r �get_long_path_name; s r c C s. t j�d�}| �|�r*d| t|�d� } | S )z*Reverse of :func:`os.path.expanduser` �~N)r r � expanduser� startswith�len)r �homer r r � compress_userD s r c C sN t j�| �} t j�| �r | S | �d�s>| d }t j�|�r>|S td| ��dS )z�Return a valid python filename in the current directory. If the given name is not a file, it adds '.py' and searches again. Raises IOError with an informative message if the file isn't found. z.pyzFile `%r` not found.N)r r r �isfile�endswith�IOError)�nameZpy_namer r r �get_py_filenameL s r )�filename�returnc C s� | � d�� d�} tj�| �r,tj�| �r,| S |du r:d}nt|t�rJ|f}|D ]B}|dkrbt�� }ttj� || ��}tj�|�rNtj� |� S qNt d| |f ��dS )a� Find a file by looking through a sequence of paths. This iterates through a sequence of paths looking for a file and returns the full, absolute path of the first occurrence of the file. If no set of path dirs is given, the filename is tested as is, after running through :func:`expandvars` and :func:`expanduser`. Thus a simple call:: filefind('myfile.txt') will find the file in the current working dir, but:: filefind('~/myfile.txt') Will find the file in the users home directory. This function does not automatically try any paths, such as the cwd or the user's home directory. 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Uses os.path.expanduser('~'), and checks for writability. See stdlib docs for how this is determined. For Python <3.8, $HOME is first priority on *ALL* platforms. For Python >=3.8 on Windows, %HOME% is no longer considered. Parameters ---------- require_writable : bool [default: False] if True: guarantees the return value is a writable directory, otherwise raises HomeDirError if False: The path is resolved, but it is not guaranteed to exist or be writable. r �ntr Nz@Software\Microsoft\Windows\CurrentVersion\Explorer\Shell FoldersZPersonalz#Homedir should be unicode not byteszD%s is not a writable dir, set $HOME environment variable to override) r r r �realpathr r �winreg�OpenKey�HKEY_CURRENT_USER� QueryValueExr) r* r1 )Zrequire_writable�homedirZwreg�keyr r r � get_home_dir� s& �2 �r= c C sN t j} t jdkrJ| �dd�p*t j�t� d�}|rJt|�rJt|t �sFJ �|S dS )z�Return the XDG_CONFIG_HOME, if it is defined and exists, else None. This is only for non-OS X posix (Linux,Unix,etc.) systems. �posix�XDG_CONFIG_HOMENz.config� r �environr �getr r- r= r r) r* ��envZxdgr r r � get_xdg_dir� s rE c C sN t j} t jdkrJ| �dd�p*t j�t� d�}|rJt|�rJt|t �sFJ �|S dS )z�Return the XDG_CACHE_HOME, if it is defined and exists, else None. This is only for non-OS X posix (Linux,Unix,etc.) systems. r> �XDG_CACHE_HOMENz.cacher@ rC r r r �get_xdg_cache_dir� s rG c C sD t jdkr| �dd�} t j�t j�| ��} t jdkr@| �dd�} | S )z�Expand $VARS and ~names in a string, like a shell :Examples: In [2]: os.environ['FOO']='test' In [3]: expand_path('variable FOO is $FOO') Out[3]: 'variable FOO is test' r5 z$\Z IPYTHON_TEMP)r r �replacer � expandvarsr )�sr r r r, � s r, c C s dd� }d� t|| �d���S )z"Unescape glob pattern in `string`.c S s dD ]}| � d�|�|�} q| S )Nz*[]!?z\{0})rH �format)rJ �patternr r r �unescape s z unescape_glob.<locals>.unescape�\z\\)r- �map�split)�stringrM r r r � unescape_glob s rR c C sB g }t jdkrtndd� }| D ] }|�t�|�p8||�g� q |S )z� Do glob expansion for each element in `args` and return a flattened list. Unmatched glob pattern will remain as-is in the returned list. r c S s | S )Nr )�xr r r �<lambda> � zshellglob.<locals>.<lambda>)�sys�platformrR �extend�glob)�args�expandedrM �ar r r � shellglob s r] c C sP zt j�| �}W n t jy& Y dS 0 |D ] }t j�|�}||kr, dS q,dS )a/ Determine whether a target is out of date. target_outdated(target,deps) -> 1/0 deps: list of filenames which MUST exist. target: single filename which may or may not exist. If target doesn't exist or is older than any file listed in deps, return true, otherwise return false. � r )r r �getmtime�error)�target�depsZ target_time�depZdep_timer r r �target_outdated s rd c C s t | |�rt|� dS )z�Update a target with a given command given a list of dependencies. target_update(target,deps,cmd) -> runs cmd if target is outdated. This is just a wrapper around target_outdated() which calls the given command if target is outdated.N)rd r )ra rb �cmdr r r � target_update5 s rf i� c C sR t td�stS d}zt�| |� W n* tyL } z|j}W Y d}~n d}~0 0 |S )z�Hard links ``src`` to ``dst``, returning 0 or errno. Note that the special errno ``ENOLINK`` will be returned if ``os.link`` isn't supported by the operating system. �linkr N)�hasattrr �ENOLINKrg �OSError�errno)�src�dst� link_errnor r r r rg C s rg c C s� t j�|�r"t j�|t j�| ��}t| |�}|tjkr�t �| �j t �|�j krRdS |dt � dd�f }zt | |� W n0 zt � |� W n ty� Y n0 � Y n0 t �||� n|dkr�t�| |� dS )a+ Attempts to hardlink ``src`` to ``dst``, copying if the link fails. Attempts to maintain the semantics of ``shutil.copy``. Because ``os.link`` does not overwrite files, a unique temporary file will be used if the target already exists, then that file will be moved into place. Nz -temp-%04Xr^ i r )r r r r- �basenamerg rk �EEXIST�stat�st_ino�random�randint� link_or_copy�removerj �rename�shutil�copy)rl rm rn Znew_dstr r r ru T s$ ru �� c C sp t j�| �sTzt j| |d� W ql tyP } z|jtjkr<� W Y d}~qld}~0 0 nt j�| �sltd| ��dS )z�ensure that a directory exists If it doesn't exist, try to create it and protect against a race condition if another process is doing the same. The default permissions are 755, which differ from os.makedirs default of 777. )�modeNz %r exists but is not a directory) r r �exists�makedirsrj rk rp r r )r r{ r r r r �ensure_dir_existsx s r~ )N)F)rz )!�__doc__r rV rk rx rs rY ZIPython.utils.processr �getfilesystemencodingZ fs_encodingr rW r r r r r* r0 � Exceptionr1 r= rE rG r, rR r] rd rf ri rg ru r~ r r r r �<module> s: ;+ $
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