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Nr r r r r r " s r Fc C s@ | � ||�}|r|�� }||vr<td�|d�tt|�����|S )z} If the key `optname` from the dictionary is not in the sequence `allowed`, raise an error, otherwise return it. z%Value for option {} must be one of {}z, )�get�lowerr �format�join�map�str)�options�optname�allowed�default�normcase�stringr r r �get_choice_opt( s r c C s� | � ||�}t|t�r|S t|t�r,t|�S t|t�sNtd|�d|� d���n6|�� dv r^dS |�� dv rndS td|�d|� d���d S ) a@ Intuitively, this is `options.get(optname, default)`, but restricted to Boolean value. The Booleans can be represented as string, in order to accept Boolean value from the command line arguments. If the key `optname` is present in the dictionary `options` and is not associated with a Boolean, raise an `OptionError`. If it is absent, `default` is returned instead. 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True >>> shebang_matches('#!/usr/bin/python2.4', r'python(2\.\d)?') True >>> shebang_matches('#!/usr/bin/python-ruby', r'python(2\.\d)?') False >>> shebang_matches('#!/usr/bin/python/ruby', r'python(2\.\d)?') False >>> shebang_matches('#!/usr/bin/startsomethingwith python', ... r'python(2\.\d)?') True It also checks for common windows executable file extensions:: >>> shebang_matches('#!C:\\Python2.4\\Python.exe', r'python(2\.\d)?') True Parameters (``'-f'`` or ``'--foo'`` are ignored so ``'perl'`` does the same as ``'perl -e'``) Note that this method automatically searches the whole string (eg: the regular expression is wrapped in ``'^$'``) � r Nz#!c S s g | ]}|r|� d �s|�qS )�-)� startswith)�.0�xr r r � <listcomp>� s �z#shebang_matches.<locals>.<listcomp>� ���F�^z(\.(exe|cmd|bat|bin))?$T) �findr rH � split_path_rer, r3 � IndexError�re�compile� IGNORECASE�search)r? �regex�index� first_line�foundr r r �shebang_matches� s � rZ c C s< t �| �}|du rdS |�d�}t�|tj��|�� �duS )z�Check if the doctype matches a regular expression (if present). Note that this method only checks the first part of a DOCTYPE. eg: 'html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"' NF� )�doctype_lookup_rerU �grouprR rS �I�matchr3 )r? rV �m�doctyper r r �doctype_matches� s rb c C s t | d�S )z3Check if the file looks like it has a html doctype.�html)rb )r? r r r �html_doctype_matches� s rd c C sr t �| �rdS t| �}z t| W S tyl t�| �}|durFY dS t�| dd� �du}|t|< | Y S 0 dS )z2Check if a doctype exists or if we have some tags.TNi� )� xml_decl_rer_ �hash�_looks_like_xml_cache�KeyErrorr\ rU �tag_re)r? �keyr` r@ r r r �looks_like_xml� s rk c C s d| d? d| d@ fS )zoGiven a unicode character code with length greater than 16 bits, return the two 16 bit surrogate pair. i�� � i � i� r )�cr r r � surrogatepair� s rn c C s� g }d| d }d|d d }|� || d � |rT|D ]}|� || d � q:n8|D ]2}t|d �}|� ||dd� |d d � qX|� |d � d �|�S ) z)Formats a sequence of strings for output.r2 � r[ z = (�,�"N���rM �)rF )r5 �reprr ) �var_name�seq�raw� indent_level�lines� base_indent� inner_indent�i�rr r r � format_lines� s $r~ r c C s> g }t � }| D ]*}||v s||v r$q|�|� |�|� q|S )za Returns a list with duplicates removed from the iterable `it`. Order is preserved. )�setr5 �add)�it� already_seen�lst�seenr| r r r �duplicates_removed� s r� c @ s e Zd ZdZdd� ZdS )�Futurez�Generic class to defer some work. Handled specially in RegexLexerMeta, to support regex string construction at first use. c C s t �d S �N)�NotImplementedError��selfr r r r s z Future.getN)r r r r r r r r r r� s r� c C s� z| � d�} | dfW S tyz z&ddl}|�� }| � � } | |fW Y S ttfyt | � d�} | df Y Y S 0 Y n0 dS )z�Decode *text* with guessed encoding. First try UTF-8; this should fail for non-UTF-8 encodings. Then try the preferred locale encoding. Fall back to latin-1, which always works. zutf-8r N�latin1)�decode�UnicodeDecodeError�locale�getpreferredencoding� LookupError)r? r� � prefencodingr r r � guess_decode s r� c C sB t |dd�r:z| �|j�} W n ty. Y n 0 | |jfS t| �S )z�Decode *text* coming from terminal *term*. First try the terminal encoding, if given. Then try UTF-8. Then try the preferred locale encoding. Fall back to latin-1, which always works. �encodingN)�getattrr� r� r� r� )r? �termr r r �guess_decode_from_terminal( s r� c C s" t | dd�r| jS ddl}|�� S )z7Return our best guess of encoding for the given *term*.r� Nr )r� r� r� r� )r� r� r r r �terminal_encoding9 s r� c @ s e Zd Zdd� ZdS )�UnclosingTextIOWrapperc C s | � � d S r� )�flushr� r r r �closeC s z UnclosingTextIOWrapper.closeN)r r r r� r r r r r� A s r� )NF)N)N)N)Fr )r )%r rR �ior rS rP �DOTALL� MULTILINE�VERBOSEr\ rT ri r^ re r* r r; r r r( r+ r0 r: rE rZ rb rd rg rk rn r~ r� r� r� r� r� r� r r r r �<module> s> � � -
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