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d lmZ d S ) é )Ú annotationsc @ s2 e Zd ZdZd ddZdd Zdd Zd d
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ZdS ) ÚIfRangez½Very simple object that represents the `If-Range` header in parsed
|
form. It will either have neither a etag or date or one of either but
|
never both.
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.. versionadded:: 0.7
|
Nc C s || _ || _d S ©N)ÚetagÚdate)Úselfr r © r úTd:\z\workplace\vscode\pyvenv\venv\Lib\site-packages\werkzeug/datastructures/range.pyÚ__init__ s zIfRange.__init__c C s0 | j dk rt | j ¡S | jdk r,t | j¡S dS )ú-Converts the object back into an HTTP header.NÚ )r ÚhttpZ http_dater Z
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quote_etag©r r r r Ú to_header s
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zIfRange.to_headerc C s | ¡ S r ©r r r r r Ú__str__ s zIfRange.__str__c C s dt | j dt| dS ©Nú<ú ú>©ÚtypeÚ__name__Ústrr r r r Ú__repr__ s zIfRange.__repr__)NN)r Ú
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__module__Ú __qualname__Ú__doc__r
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r r r r r r r r s
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r c @ sH e Zd ZdZdd Zdd Zdd Zdd Zd
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dS )ÚRangeaX Represents a ``Range`` header. All methods only support only
|
bytes as the unit. Stores a list of ranges if given, but the methods
|
only work if only one range is provided.
|
|
:raise ValueError: If the ranges provided are invalid.
|
|
.. versionchanged:: 0.15
|
The ranges passed in are validated.
|
|
.. versionadded:: 0.7
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c C sP || _ || _|D ]:\}}|d ks8|d k r|dk s8||krt||f dqd S )Nr z is not a valid range.)ÚunitsÚrangesÚ
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ValueError)r r r ÚstartÚendr r r r
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/ s
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zRange.__init__c C sn | j dks |dks t| jdkr$dS | jd \}}|dkrN|}|dk rN||7 }t |||¡rj|t||fS dS )z·If the range is for bytes, the length is not None and there is
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exactly one range and it is satisfiable it returns a ``(start, stop)``
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tuple, otherwise `None`.
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ÚbytesNé r )r Úlenr r Úis_byte_range_validÚmin)r Úlengthr" r# r r r Úrange_for_length: s zRange.range_for_lengthc C s. | |¡}|dk r*t| j|d |d |S dS )zCreates a :class:`~werkzeug.datastructures.ContentRange` object
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from the current range and given content length.
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Nr r% )r* Ú ContentRanger )r r) Úrngr r r Úmake_content_rangeJ s
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zRange.make_content_rangec C sl g }| j D ]J\}}|dkr<| |dkr0| dnt|¡ q
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| j dd |¡ S )r Nr ú-r% ú=ú,)r Úappendr r Újoin)r r Úbeginr# r r r r S s "zRange.to_headerc C s> | |¡}|dk r:| j d|d d|d d d| S dS )z\Converts the object into `Content-Range` HTTP header,
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based on given length
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Nr r r. r% ú/)r* r )r r) Úranger r r Úto_content_range_header] s
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(z Range.to_content_range_headerc C s | ¡ S r r r r r r r f s z Range.__str__c C s dt | j dt| dS r r r r r r r i s zRange.__repr__N) r r r r r
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r c s" fdd} fdd}t ||S )Nc s
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t | S r )Úgetattrr ©Únamer r Úfgetn s z _callback_property.<locals>.fgetc s$ t | | | jd k r | | ¡ d S r )ÚsetattrÚ on_update)r Úvaluer8 r r Úfsetq s
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z _callback_property.<locals>.fset)Úproperty)r9 r: r> r r8 r Ú_callback_propertym s r@ c @ sl e Zd ZdZdddZedZedZedZedZ dd
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d d Z dd Z dd Z dd Zdd ZdS )r+ zDRepresents the content range header.
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.. versionadded:: 0.7
|
Nc C s0 t |||¡std|| _| ||||¡ d S )NúBad range provided)r r' ÚAssertionErrorr< Úset)r r r" Ústopr) r< r r r r
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s zContentRange.__init__Ú_unitsÚ_startÚ_stopÚ_lengthr$ c C sF t |||¡std|| _|| _|| _|| _| jdk rB| | ¡ dS )z#Simple method to update the ranges.rA N)r r' rB rE rF rG rH r< )r r" rD r) r r r r rC s
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zContentRange.setc C s | j dddd dS )zcSets the units to `None` which indicates that the header should
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no longer be used.
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N©r )rC r r r r Úunset s zContentRange.unsetc C sb | j d krdS | jd kr d}n| j}| jd kr>| j d| S | j d| j d| jd d| S )Nr Ú*z */r r. r% r4 )r r) r" rD )r r) r r r r s
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zContentRange.to_headerc C s
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| j d k S r rI r r r r Ú__bool__© s zContentRange.__bool__c C s | ¡ S r r r r r r r ¬ s zContentRange.__str__c C s dt | j dt| dS r r r r r r r ¯ s zContentRange.__repr__)NN)Nr$ )r r r r r
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r@ r r" rD r) rC rJ r rL r r r r r r r+ y s
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