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� while constructing a mappingzfound unhashable key) r. r4 r r= r( r> r$ � collections�abc�Hashable)r r" r: �mapping�key_node� value_noder r> r r r r5 � s �� z!BaseConstructor.construct_mappingc C sb t |t�s td d d|j |j��g }|jD ]2\}}| j||d�}| j||d�}|�||f� q*|S )NrE r? )r. r4 r r= r( r> r$ r9 )r r" r: �pairsrK rL r r> r r r �construct_pairs� s �z BaseConstructor.construct_pairsc C s$ d| j vr| j�� | _|| j|< d S )Nr* )�__dict__r* �copy)�clsr) r; r r r �add_constructor� s z BaseConstructor.add_constructorc C s$ d| j vr| j�� | _|| j|< d S )Nr+ )rO r+ rP )rQ r< Zmulti_constructorr r r �add_multi_constructor� s z%BaseConstructor.add_multi_constructorN)F)F)F)F)r r r r* r+ r r r r r# r r$ r1 r3 r5 rN � classmethodrR rS r r r r r s" 2 r c s� e Zd Z� fdd�Zdd� Zd(� fdd� Zdd � Zd dd dd dd �Zd d � Zdd� Z dZ e e e krne e 9 Z qXe e Z dd� Z dd� Z e�dej�Zdd� Zdd� Zdd� Zd d � Zd d � Zd d!� Zd"d#� Zd$d%� Zd&d'� Z� ZS ))r c s> t |t�r2|jD ] \}}|jdkr| �|� S qt� �|�S )N�tag:yaml.org,2002:value)r. r4 r> r) r1 �super)r r" rK rL �r0 r r r1 � s z SafeConstructor.construct_scalarc C s g }d}|t |j�k �r|j| \}}|jdkr�|j|= t|t�rZ| �|� |�|j� n�t|t�r�g }|jD ]<}t|t�s�td|j d|j |j ��| �|� |� |j� qn|� � |D ]}|�|� q�ntd|j d|j |j ��q|jdkr�d|_|d7 }q|d7 }q|�r||j |_d S ) Nr ztag:yaml.org,2002:mergerF z,expected a mapping for merging, but found %sz@expected a mapping or list of mappings for merging, but found %srU �tag:yaml.org,2002:strr ) r- r> r) r. r4 �flatten_mapping�extendr2 r r( r= r9 �reverse) r r" �merge�indexrK rL Zsubmerge�subnoder> r r r rY � sJ �� �� z SafeConstructor.flatten_mappingFc s$ t |t�r| �|� t� j||d�S )Nr? )r. r4 rY rV r5 rD rW r r r5 � s z!SafeConstructor.construct_mappingc C s | � |� d S r �r1 r! r r r �construct_yaml_null� s z#SafeConstructor.construct_yaml_nullT)Zyes�no�trueZfalseZonZoffc C s | � |�}| j|�� S r )r1 � bool_values�lower)r r" r> r r r �construct_yaml_bool� s z#SafeConstructor.construct_yaml_boolc C s | � |�}|�dd�}d}|d dkr*d}|d dv rB|dd � }|dkrNdS |�d �rn|t|d d � d � S |�d �r�|t|d d � d � S |d dkr�|t|d � S d|v � r�dd� |�d�D �}|�� d}d}|D ]}||| 7 }|d9 }q�|| S |t|� S d S )N�_� r r �-����+-�0Z0b� �0x� � �:c S s g | ] }t |��qS r )�int�r@ �partr r r rC � � z6SafeConstructor.construct_yaml_int.<locals>.<listcomp>�< )r1 �replacer, rq �splitr[ �r r" r> �sign�digits�baseZdigitr r r �construct_yaml_int� s2 z"SafeConstructor.construct_yaml_intg�u �<�7~c C s� | � |�}|�dd��� }d}|d dkr.d}|d dv rF|dd � }|dkrX|| j S |d krf| jS d |v r�d d � |�d �D �}|�� d}d }|D ]}||| 7 }|d9 }q�|| S |t|� S d S )Nrf rg r r rh ri rj z.infz.nanrp c S s g | ] }t |��qS r )�floatrr r r r rC rt z8SafeConstructor.construct_yaml_float.<locals>.<listcomp>g ru )r1 rv rd � inf_value� nan_valuerw r[ r} rx r r r �construct_yaml_float s* z$SafeConstructor.construct_yaml_floatc C s� z| � |��d�}W n8 tyL } z td d d| |j��W Y d }~n d }~0 0 z&ttd�rft�|�W S t�|�W S W n: t j y� } z td d d| |j��W Y d }~n d }~0 0 d S �N�asciiz,failed to convert base64 data into ascii: %s� decodebytesz failed to decode base64 data: %s� r1 �encode�UnicodeEncodeErrorr r( �hasattr�base64r� Z decodestring�binascii�Error�r r" r> �excr r r �construct_yaml_binary& s � �z%SafeConstructor.construct_yaml_binarya� ^(?P<year>[0-9][0-9][0-9][0-9]) -(?P<month>[0-9][0-9]?) -(?P<day>[0-9][0-9]?) (?:(?:[Tt]|[ \t]+) (?P<hour>[0-9][0-9]?) :(?P<minute>[0-9][0-9]) :(?P<second>[0-9][0-9]) (?:\.(?P<fraction>[0-9]*))? (?:[ \t]*(?P<tz>Z|(?P<tz_sign>[-+])(?P<tz_hour>[0-9][0-9]?) (?::(?P<tz_minute>[0-9][0-9]))?))?)?$c C s< | � |�}| j�|j�}|�� }t|d �}t|d �}t|d �}|d sZt�|||�S t|d �}t|d �} t|d �} d} d } |d r�|d d d � } t| �d k r�| d 7 } q�t| �} |d �rt|d �} t|d p�d�}tj | |d�}|d dk�r| }t� |�} n|d �r"tj j } tj||||| | | | d�S )N�year�month�day�hour�minute�secondr �fraction� rk Ztz_sign�tz_hour� tz_minute)ZhoursZminutesrh Ztz)�tzinfo) r1 �timestamp_regexpr r> � groupdictrq �datetime�dater- Z timedelta�timezoneZutc)r r" r> r �valuesr� r� r� r� r� r� r� r� r� r� Zdeltar r r �construct_yaml_timestampB s< �z(SafeConstructor.construct_yaml_timestampc c s� g }|V t |t�s,td|jd|j |j��|jD ]�}t |t�sXtd|jd|j |j��t|j�dkr�td|jdt|j� |j��|jd \}}| �|�}| �|�}|� ||f� q2d S )Nz!while constructing an ordered map�!expected a sequence, but found %s�,expected a mapping of length 1, but found %sr �2expected a single mapping item, but found %d itemsr � r. r2 r r( r= r> r4 r- r$ r9 )r r" Zomapr^ rK rL r r> r r r �construct_yaml_omapa s* � � � z#SafeConstructor.construct_yaml_omapc c s� g }|V t |t�s,td|jd|j |j��|jD ]�}t |t�sXtd|jd|j |j��t|j�dkr�td|jdt|j� |j��|jd \}}| �|�}| �|�}|� ||f� q2d S )Nzwhile constructing pairsr� r� r r� r r� )r r" rM r^ rK rL r r> r r r �construct_yaml_pairsw s* � � � z$SafeConstructor.construct_yaml_pairsc c s$ t � }|V | �|�}|�|� d S r )�setr5 �update�r r" r% r> r r r �construct_yaml_set� s z"SafeConstructor.construct_yaml_setc C s | � |�S r r_ r! r r r �construct_yaml_str� s z"SafeConstructor.construct_yaml_strc c s g }|V |� | �|�� d S r )rZ r3 )r r" r% r r r �construct_yaml_seq� s z"SafeConstructor.construct_yaml_seqc c s" i }|V | � |�}|�|� d S r )r5 r� r� r r r �construct_yaml_map� s z"SafeConstructor.construct_yaml_mapc c sN |� |�}|V t|d�r4| j|dd�}|�|� n| �|�}|j�|� d S )N� __setstate__Tr? )�__new__r� r5 r� rO r� )r r" rQ r% �stater r r �construct_yaml_object� s z%SafeConstructor.construct_yaml_objectc C s t d d d|j |j��d S )Nz0could not determine a constructor for the tag %r)r r) r( r! r r r �construct_undefined� s �z#SafeConstructor.construct_undefined)F) r r r r1 rY r5 r` rc re r| r~ r r� r� �re�compile�Xr� r� r� r� r� r� r� r� r� r� � __classcell__r r rW r r � s@ #� � r ztag:yaml.org,2002:nullztag:yaml.org,2002:boolztag:yaml.org,2002:intztag:yaml.org,2002:floatztag:yaml.org,2002:binaryztag:yaml.org,2002:timestampztag:yaml.org,2002:omapztag:yaml.org,2002:pairsztag:yaml.org,2002:setrX ztag:yaml.org,2002:seqztag:yaml.org,2002:mapc @ s� e Zd Zdd� Zdd� Zdd� Zdd� Zd d � Zd d � Zd d� Z dd� Z d%dd�Z d&dd�Z dd� Z dd� Zd'dd �Zd(d d �Zd d � Zd)d!d"�Zd#d$� ZdS )*r c C s ddgS )Nz^extend$z^__.*__$r r r r r �get_state_keys_blacklist� s z(FullConstructor.get_state_keys_blacklistc C s. t | d�s(t�dd�| �� � d �| _| jS )N�state_keys_blacklist_regexp�(�|�))r� r� r� �joinr� r� r r r r r � s z/FullConstructor.get_state_keys_blacklist_regexpc C s | � |�S r r_ r! r r r �construct_python_str� s z$FullConstructor.construct_python_strc C s | � |�S r r_ r! r r r �construct_python_unicode� s z(FullConstructor.construct_python_unicodec C s� z| � |��d�}W n8 tyL } z td d d| |j��W Y d }~n d }~0 0 z&ttd�rft�|�W S t�|�W S W n: t j y� } z td d d| |j��W Y d }~n d }~0 0 d S r� r� r� r r r �construct_python_bytes� s � �z&FullConstructor.construct_python_bytesc C s | � |�S r )r| r! r r r �construct_python_long s z%FullConstructor.construct_python_longc C s t | �|��S r )�complexr1 r! r r r �construct_python_complex s z(FullConstructor.construct_python_complexc C s t | �|��S r )�tupler3 r! r r r �construct_python_tuple s z&FullConstructor.construct_python_tupleFc C s� |st d|d|��|r^z t|� W n: ty\ } z"t d|d||f |��W Y d }~n d }~0 0 |tjvrzt d|d| |��tj| S )N�"while constructing a Python module�+expected non-empty name appended to the tag�cannot find module %r (%s)�module %r is not imported)r � __import__� ImportError�sys�modules)r �name�mark�unsafer� r r r �find_python_module s � � �z"FullConstructor.find_python_modulec C s� |st d|d|��d|v r,|�dd�\}}nd}|}|r�z t|� W n: ty~ } z"t d|d||f |��W Y d }~n d }~0 0 |tjvr�t d|d| |��tj| }t||�s�t d|d||jf |��t||�S ) Nz"while constructing a Python objectr� �.r �builtinsr� r� z cannot find %r in the module %r) r �rsplitr� r� r� r� r� r �getattr)r r� r� r� Z module_nameZ object_namer� �moduler r r �find_python_name s8 � � � ��z FullConstructor.find_python_namec C s2 | � |�}|r$td|jd| |j��| �||j�S )Nz while constructing a Python name�&expected the empty value, but found %r)r1 r r( r� �r �suffixr" r> r r r �construct_python_name5 s �z%FullConstructor.construct_python_namec C s2 | � |�}|r$td|jd| |j��| �||j�S )Nr� r� )r1 r r( r� r� r r r �construct_python_module< s �z'FullConstructor.construct_python_moduleNc C s~ |sg }|si }| � ||j�}|sFt|t�sFtd|jdt|� |j��|rlt|t�rl|j|g|�R i |��S ||i |��S d S )Nz$while constructing a Python instancez expected a class, but found %r)r� r( r. �typer r� )r r� r" �args�kwds�newobjr� rQ r r r �make_python_instanceC s �z$FullConstructor.make_python_instancec C s� t |d�r|�|� n�i }t|t�r8t|�dkr8|\}}t |d�rp|sb|rb|�� D ]}| �|� qR|j�|� n|r~|�|� |� � D ]"\}}|s�| �|� t |||� q�d S )Nr� rl rO ) r� r� r. r� r- �keysr rO r� �items�setattr)r �instancer� r� Z slotstater r> r r r �set_python_instance_stateS s z)FullConstructor.set_python_instance_statec c s> | j ||dd�}|V t|d�}| j||d�}| �||� d S )NT�r� r� r? )r� r� r5 r� )r r� r" r� r: r� r r r �construct_python_objectf s z'FullConstructor.construct_python_objectc C s� t |t�r*| j|dd�}i }i }g }i }nJ| j|dd�} | �dg �}| �di �}| �di �}| �dg �}| �di �}| �|||||�} |r�| �| |� |r�| �|� |r�|D ]} || | | < q�| S )NTr? r� r� r� � listitems� dictitems)r. r2 r3 r5 �getr� r� rZ ) r r� r" r� r� r� r� r� r� r> r� r r r r � construct_python_object_applyo s* z-FullConstructor.construct_python_object_applyc C s | j ||dd�S )NTr� )r� )r r� r" r r r �construct_python_object_new� s z+FullConstructor.construct_python_object_new)F)F)NNFF)F)F)r r r r� r r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r r r r r � s$ � #r z tag:yaml.org,2002:python/nonez tag:yaml.org,2002:python/boolz tag:yaml.org,2002:python/strz tag:yaml.org,2002:python/unicodez tag:yaml.org,2002:python/bytesz tag:yaml.org,2002:python/intz tag:yaml.org,2002:python/longz tag:yaml.org,2002:python/floatz tag:yaml.org,2002:python/complexz tag:yaml.org,2002:python/listz tag:yaml.org,2002:python/tuplez tag:yaml.org,2002:python/dictz tag:yaml.org,2002:python/name:c sB e Zd Z� fdd�Z� fdd�Zd � fdd� Z� fd d �Z� ZS ) r c s t t| �j||dd�S �NT)r� )rV r r� �r r� r� rW r r r� � s z$UnsafeConstructor.find_python_modulec s t t| �j||dd�S r� )rV r r� r� rW r r r� � s z"UnsafeConstructor.find_python_nameNFc s t t| �j|||||dd�S r� )rV r r� )r r� r" r� r� r� rW r r r� � s �z&UnsafeConstructor.make_python_instancec s t t| �j||dd�S r� )rV r r� )r r� r� rW r r r� � s �z+UnsafeConstructor.set_python_instance_state)NNF)r r r r� r� r� r� r� r r rW r r � s r z tag:yaml.org,2002:python/module:z tag:yaml.org,2002:python/object:z$tag:yaml.org,2002:python/object/new:z&tag:yaml.org,2002:python/object/apply:c @ s e Zd ZdS )r Nr r r r r r � s r ),�__all__�errorZnodes�collections.abcrG r� r� r� r� r� r6 ZMarkedYAMLErrorr r r rR r` re r| r� r� r� r� r� r� r� r� r� r� r r� r� r� r� r� r� rS r� r r� r� r� r� r r r r r �<module> s 8 ������������� 4�����������������
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