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3 2Ĝg� � @ s� d dl Z d dlZd dlZd dlZd dlZd dlZd dlZejdk rPd dlm Z ne Z dgZ dd� Z dd � Z e jZd d � ZG d d � d ej�ZG dd� de�Zdd� ZG dd� d�ZdS )� N� � )� OrderedDict�Pathc C s t jt| �dd�S )a2 Given a path with elements separated by posixpath.sep, generate all parents of that path. >>> list(_parents('b/d')) ['b'] >>> list(_parents('/b/d/')) ['/b'] >>> list(_parents('b/d/f/')) ['b/d', 'b'] >>> list(_parents('b')) [] >>> list(_parents('')) [] � N)� itertools�islice� _ancestry)�path� r �$/tmp/pip-build-fsllo_ck/zipp/zipp.py�_parents s r c c s8 | j tj�} x&| r2| tjkr2| V tj| �\} }qW dS )aR Given a path with elements separated by posixpath.sep, generate all elements of that path >>> list(_ancestry('b/d')) ['b/d', 'b'] >>> list(_ancestry('/b/d/')) ['/b/d', '/b'] >>> list(_ancestry('b/d/f/')) ['b/d/f', 'b/d', 'b'] >>> list(_ancestry('b')) ['b'] >>> list(_ancestry('')) [] N)�rstrip� posixpath�sep�split)r �tailr r r r % s r c C s t jt|�j| �S )zZ Return items in minuend not in subtrahend, retaining order with O(1) lookup. )r � filterfalse�set� __contains__)ZminuendZ subtrahendr r r � _difference? s r c sH e Zd ZdZedd� �Z� fdd�Zdd� Zdd � Ze d d � �Z � Z S ) � CompleteDirszk A ZipFile subclass that ensures that implied directories are always included in the namelist. c C s. t jjtt| ��}dd� |D �}tt|| ��S )Nc s s | ]}|t j V qd S )N)r r )�.0�pr r r � <genexpr>P s z-CompleteDirs._implied_dirs.<locals>.<genexpr>)r �chain� from_iterable�mapr �_deduper )�names�parentsZas_dirsr r r � _implied_dirsM s zCompleteDirs._implied_dirsc s t t| �j� }|t| j|�� S )N)�superr �namelist�listr! )�selfr )� __class__r r r# S s zCompleteDirs.namelistc C s t | j� �S )N)r r# )r% r r r � _name_setW s zCompleteDirs._name_setc C s, | j � }|d }||ko ||k}|r(|S |S )zx If the name represents a directory, return that name as a directory (with the trailing slash). �/)r' )r% �namer �dirnameZ dir_matchr r r � resolve_dirZ s zCompleteDirs.resolve_dirc C s> t |t�r|S t |tj�s&| t|��S d|jkr4t} | |_|S )zl Given a source (filename or zipfile), return an appropriate CompleteDirs subclass. �r)� isinstancer �zipfile�ZipFile�_pathlib_compat�moder& )�cls�sourcer r r �maked s zCompleteDirs.make) �__name__� __module__� __qualname__�__doc__� staticmethodr! r# r' r+ � classmethodr4 � __classcell__r r )r& r r G s r c s, e Zd ZdZ� fdd�Z� fdd�Z� ZS )� FastLookupzV ZipFile subclass to ensure implicit dirs exist and are resolved rapidly. c s. t jt�� | jS Q R X tt| �j� | _| jS )N)� contextlib�suppress�AttributeErrorZ_FastLookup__namesr" r< r# )r% )r& r r r# ~ s zFastLookup.namelistc s. t jt�� | jS Q R X tt| �j� | _| jS )N)r= r> r? Z_FastLookup__lookupr" r< r' )r% )r& r r r' � s zFastLookup._name_set)r5 r6 r7 r8 r# r' r; r r )r& r r< x s r< c C s& y| j � S tk r t| �S X dS )zi For path-like objects, convert to a filename for compatibility on Python 3.6.1 and earlier. N)� __fspath__r? �str)r r r r r0 � s r0 c @ s� e Zd ZdZdZd-dd�Zd.dd�d d �Zed d � �Zed d� �Z edd� �Z edd� �Z edd� �Z dd� Z dd� Zdd� Zdd � Zd d � Zd d � Zd!d"� Zd#d$� Zd%d&� Zd'd(� Zd)d*� ZeZed+d,� �ZdS )/r u4 A pathlib-compatible interface for zip files. Consider a zip file with this structure:: . ├── a.txt └── b ├── c.txt └── d └── e.txt >>> data = io.BytesIO() >>> zf = zipfile.ZipFile(data, 'w') >>> zf.writestr('a.txt', 'content of a') >>> zf.writestr('b/c.txt', 'content of c') >>> zf.writestr('b/d/e.txt', 'content of e') >>> zf.filename = 'mem/abcde.zip' Path accepts the zipfile object itself or a filename >>> root = Path(zf) From there, several path operations are available. Directory iteration (including the zip file itself): >>> a, b = root.iterdir() >>> a Path('mem/abcde.zip', 'a.txt') >>> b Path('mem/abcde.zip', 'b/') name property: >>> b.name 'b' join with divide operator: >>> c = b / 'c.txt' >>> c Path('mem/abcde.zip', 'b/c.txt') >>> c.name 'c.txt' Read text: >>> c.read_text() 'content of c' existence: >>> c.exists() True >>> (b / 'missing.txt').exists() False Coercion to string: >>> import os >>> str(c).replace(os.sep, posixpath.sep) 'mem/abcde.zip/b/c.txt' At the root, ``name``, ``filename``, and ``parent`` resolve to the zipfile. Note these attributes are not valid and will raise a ``ValueError`` if the zipfile has no filename. >>> root.name 'abcde.zip' >>> str(root.filename).replace(os.sep, posixpath.sep) 'mem/abcde.zip' >>> str(root.parent) 'mem' z>{self.__class__.__name__}({self.root.filename!r}, {self.at!r})� c C s t j|�| _|| _dS )aX Construct a Path from a ZipFile or filename. Note: When the source is an existing ZipFile object, its type (__class__) will be mutated to a specialized type. If the caller wishes to retain the original type, the caller should either create a separate ZipFile object or pass a filename. N)r< r4 �root�at)r% rC rD r r r �__init__� s z Path.__init__r, N)�pwdc O st | j � rt| ��|d }| j� r2|dkr2t| ��| jj| j||d�}d|krb|sV|r^td��|S tj |f|�|�S )z� Open this entry as text or binary following the semantics of ``pathlib.Path.open()`` by passing arguments through to io.TextIOWrapper(). r r, )rF �bz*encoding args invalid for binary operation) �is_dir�IsADirectoryError�exists�FileNotFoundErrorrC �openrD � ValueError�io� TextIOWrapper)r% r1 rF �args�kwargsZzip_mode�streamr r r rL � s z Path.openc C s t j| j�jp| jjS )N)�pathlibr rD r) �filename)r% r r r r) s z Path.namec C s t j| j�jp| jjS )N)rS r rD �suffixrT )r% r r r rU s z Path.suffixc C s t j| j�jp| jjS )N)rS r rD �suffixesrT )r% r r r rV s z Path.suffixesc C s t j| j�jp| jjS )N)rS r rD �stemrT )r% r r r rW s z Path.stemc C s t j| jj�j| j�S )N)rS r rC rT �joinpathrD )r% r r r rT s z Path.filenamec O s$ | j d|�|�� }|j� S Q R X d S )Nr, )r, )rL �read)r% rP rQ �strmr r r � read_text s zPath.read_textc C s | j d�� }|j� S Q R X d S )N�rb)rL rY )r% rZ r r r � read_bytes s zPath.read_bytesc C s t j|jjd��| jjd�kS )Nr( )r r* rD r )r% r r r r � _is_child! s zPath._is_childc C s | j | j|�S )N)r& rC )r% rD r r r �_next$ s z Path._nextc C s | j p| j jd�S )Nr( )rD �endswith)r% r r r rH ' s z Path.is_dirc C s | j � o| j� S )N)rJ rH )r% r r r �is_file* s z Path.is_filec C s | j | jj� kS )N)rD rC r' )r% r r r rJ - s z Path.existsc C s. | j � std��t| j| jj� �}t| j|�S )NzCan't listdir a file)rH rM r r_ rC r# �filterr^ )r% �subsr r r �iterdir0 s z Path.iterdirc C s t j| jj| j�S )N)r �joinrC rT rD )r% r r r �__str__6 s z Path.__str__c C s | j j| d�S )N)r% )� _Path__repr�format)r% r r r �__repr__9 s z Path.__repr__c G s* t j| jftt|��� }| j| jj|��S )N)r re rD r r0 r_ rC r+ )r% �other�nextr r r rX < s z Path.joinpathc C s6 | j s| jjS tj| j jd��}|r,|d7 }| j|�S )Nr( )rD rT �parentr r* r r_ )r% Z parent_atr r r rl B s z Path.parent)rB )r, )r5 r6 r7 r8 rg rE rL �propertyr) rU rV rW rT r[ r] r^ r_ rH ra rJ rd rf ri rX � __truediv__rl r r r r r � s, L )r r )rN r r. r r= �sysrS � version_info� collectionsr �dict�__all__r r �fromkeysr r r/ r r< r0 r r r r r �<module> s$ 1
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