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Unlike when using sets for a similar effect, the original ordering of the items in the collection is preserved by this function. >>> print(list(distinct([1, 2, 1, 3, 4, 4]))) [1, 2, 3, 4] >>> print(list(distinct('foobar'))) ['f', 'o', 'b', 'a', 'r'] :param iterable: the iterable collection providing the data N)�set�iter�add)�iterable�seen�item� r �/usr/lib/python3.6/util.py�distinct s r s( [ \t\f]* \# .* coding[=:][ \t]*([-\w.]+)c C s� | j � }| jd� z�| j� }|jtj�}|r>|ttj�d� }tj|�}|s�y ddl }|j |j d�� W n t t tfk r� Y nX | j� }tj|�}|r�|r�|jd�j d�}|dkr�t dj|���dS |r�|jd�j d�S dS W d| j|� X dS )a/ Deduce the encoding of a source file from magic comment. It does this in the same way as the `Python interpreter`__ .. __: https://docs.python.org/3.4/reference/lexical_analysis.html#encoding-declarations The ``fp`` argument should be a seekable file object. (From Jeff Dairiki) r Nzlatin-1� zutf-8z encoding problem: {0} with BOM)�tell�seek�readline� startswith�codecs�BOM_UTF8�len�PYTHON_MAGIC_COMMENT_re�match�parserZsuite�decode� ImportError� SyntaxError�UnicodeEncodeError�group�format)�fp�posZline1Zhas_bom�mr Zline2Zmagic_comment_encodingr r r �parse_encoding0 s8 r$ z'from\s+__future__\s+import\s+\(*(.+)\)*�latin-1c C s� ddl }| j� }| jd� d}z�| j� j|�}tjdd|�}tjdd|�}tjdd|�}xTtj|�D ]F}d d � |j d �j d �D �}x&|D ] }t ||d�} | r�|| j O }q�W qdW W d| j|� X |S ) zRParse the compiler flags by :mod:`__future__` from the given Python code. r Nzimport\s*\([\r\n]+zimport (z ,\s*[\r\n]+z, z \\\s*[\r\n]+� c S s g | ]}|j � j d ��qS )z())�strip)�.0�xr r r � <listcomp>| s z&parse_future_flags.<locals>.<listcomp>r �,) � __future__r r �readr �re�sub�PYTHON_FUTURE_IMPORT_re�finditerr �split�getattrZ compiler_flag) r! �encodingr, r" �flagsZbodyr# �names�nameZfeaturer r r �parse_future_flagsf s" r8 c C s� ddddddd�}g }xHt tjd| ��D ]4\}}|d rH|j|| � q(|r(|jtj|�� q(W tjd j|�d |jtj d ��}|d k S )a Extended pathname pattern matching. This function is similar to what is provided by the ``fnmatch`` module in the Python standard library, but: * can match complete (relative or absolute) path names, and not just file names, and * also supports a convenience pattern ("**") to match files at any directory level. Examples: >>> pathmatch('**.py', 'bar.py') True >>> pathmatch('**.py', 'foo/bar/baz.py') True >>> pathmatch('**.py', 'templates/index.html') False >>> pathmatch('**/templates/*.html', 'templates/index.html') True >>> pathmatch('**/templates/*.html', 'templates/foo/bar.html') False :param pattern: the glob pattern :param filename: the path name of the file to match against z[^/]z[^/]/z[^/]+z[^/]+/z (?:.+/)*?z(?:.+/)*?[^/]+)�?z?/�*z*/z**/z**z ([?*]+/?)� � �$�/N) � enumerater. r2 �append�escaper �join�replace�os�sep)�pattern�filenameZsymbolsZbuf�idx�partr r r r � pathmatch� s rJ c @ s e Zd Zejd�ZdS )� TextWrapperz((\s+|(?<=[\w\!\"\'\&\.\,\?])-{2,}(?=\w))N)�__name__� __module__� __qualname__r. �compileZ wordsep_rer r r r rK � s rK �F r< c C s t |||dd�}|j| �S )a� Simple wrapper around the ``textwrap.wrap`` function in the standard library. This version does not wrap lines on hyphens in words. :param text: the text to wrap :param width: the maximum line width :param initial_indent: string that will be prepended to the first line of wrapped output :param subsequent_indent: string that will be prepended to all lines save the first of wrapped output F)�width�initial_indent�subsequent_indentZbreak_long_words)rK Zwrap)�textrQ rR rS �wrapperr r r �wraptext� s rV c @ s� e Zd ZdZd!dd�Zdd� Zdd� Zd d � ZeZd d � Z d d� Z dd� Z dd� Z dd� Z efdd�Zdd� Zd"dd�Zdd � Zd d � Zd d � ZdS )#�odictzkOrdered dict implementation. :see: http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/107747 Nc C s$ t j| |p i � tt j| ��| _d S )N)�dict�__init__�list�keys�_keys)�self�datar r r rY � s zodict.__init__c C s t j| |� | jj|� d S )N)rX � __delitem__r\ �remove)r] �keyr r r r_ � s zodict.__delitem__c C s* || k}t j| ||� |r&| jj|� d S )N)rX � __setitem__r\ r@ )r] ra r Znew_keyr r r rb � s zodict.__setitem__c C s t | j�S )N)r r\ )r] r r r �__iter__� s zodict.__iter__c C s t j| � g | _d S )N)rX �clearr\ )r] r r r rd � s z odict.clearc C s t � }|j| � |S )N)rW �update)r] �dr r r �copy� s z odict.copyc C s t | j| j� �S )N)�zipr\ �values)r] r r r �items� s z odict.itemsc C s t | j| j� �S )N)r r\ � itervalues)r] r r r � iteritems� s zodict.iteritemsc C s | j d d � S )N)r\ )r] r r r r[ � s z odict.keysc C sV y t j| |�}| jj|� |S tk rP } z|tkr<|�n|S W Y d d }~X nX d S )N)rX �popr\ r` �KeyError�missing)r] ra �default�value�er r r rm � s z odict.popc C s | j j|� tj|�S )N)r\ r` rX �popitem)r] ra r r r rs s z odict.popitemc C s( t j| ||� || jkr$| jj|� d S )N)rX � setdefaultr\ r@ )r] ra Zfailobjr r r rt s zodict.setdefaultc C s" x |j � D ]\}}|| |< q W d S )N)rj )r] rX ra �valr r r re s z odict.updatec C s t | j| j�S )N)�map�getr\ )r] r r r ri s z odict.valuesc C s t | j| j�S )N)r rw r\ )r] r r r rk s zodict.itervalues)N)N)rL rM rN �__doc__rY r_ rb rc Ziterkeysrd rg rj rl r[ ro rm rs rt re ri rk r r r r rW � s" rW c @ sB e Zd ZdZddd�Zdd� Zdd� Zd d � Zd d � Zd d� Z dS )�FixedOffsetTimezonez&Fixed offset in minutes east from UTC.Nc C s& t |d�| _|d kr d| }|| _d S )N)Zminutesz Etc/GMT%+d)r �_offset�zone)r] �offsetr7 r r r rY s z FixedOffsetTimezone.__init__c C s | j S )N)r{ )r] r r r �__str__ s zFixedOffsetTimezone.__str__c C s d| j | jf S )Nz<FixedOffset "%s" %s>)r{ rz )r] r r r �__repr__! s z FixedOffsetTimezone.__repr__c C s | j S )N)rz )r] �dtr r r � utcoffset$ s z FixedOffsetTimezone.utcoffsetc C s | j S )N)r{ )r] r r r r �tzname' s zFixedOffsetTimezone.tznamec C s t S )N)�ZERO)r] r r r r �dst* s zFixedOffsetTimezone.dst)N) rL rM rN rx rY r} r~ r� r� r� r r r r ry s ry )r% )rP r< r< )&rx r Zdatetimer r rD r. �textwrapZ babel._compatr r ZpytzZ_pytzZbabelr �objectro r rO �VERBOSEr r$ r0 r8 rJ rK rV rX rW ry ZutcZUTCZLOCALTZZ get_localzoneZ STDOFFSETZ DSTOFFSETZDSTDIFFr� r r r r �<module> s8 2 . 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