U
    8ÄT__  ã                   @   sŠ  d dl Z d dlZd dlZd dlZd dlmZ d dlmZ d dlm	Z	m
Z
mZmZ d dlmZ d dlmZ d dlmZmZmZ d dlmZ d d	lmZmZ d d
lmZmZmZ d dlmZ d dl m!Z!m"Z" d dl#m$Z$ d dl%m&Z&m'Z' d dl(m)Z) ddl*m+Z+ e,ƒ Z-e)dƒZ.G dd„ de/ƒZ0G dd„ de1ƒZ2G dd„ dƒZ3G dd„ deƒZ4G dd„ deƒZ5G dd„ dƒZ6dd „ Z7d!d"„ Z8d#d$„ Z9d%d&„ Z:dS )'é    N)ÚBytesIO)Úchain)ÚquoteÚ	urlencodeÚurljoinÚurlsplit)Úsettings)Úsigning)ÚDisallowedHostÚImproperlyConfiguredÚRequestDataTooBig)Úuploadhandler)ÚMultiPartParserÚMultiPartParserError)ÚCaseInsensitiveMappingÚImmutableListÚMultiValueDict)ÚRemovedInDjango40Warning)Úescape_uri_pathÚ
iri_to_uri)Úcached_property)Úis_same_domainÚlimited_parse_qsl)Ú_lazy_re_compileé   )Úparse_headerz1^([a-z0-9.-]+|\[[a-f0-9]*:[a-f0-9\.:]+\])(:\d+)?$c                   @   s   e Zd ZdS )ÚUnreadablePostErrorN)Ú__name__Ú
__module__Ú__qualname__© r    r    ú7/tmp/pip-unpacked-wheel-dv63caxw/django/http/request.pyr      s   r   c                   @   s   e Zd ZdZdS )ÚRawPostDataExceptionzŽ
    You cannot access raw_post_data from a request that has
    multipart/* POST data if it has been accessed via POST,
    FILES, etc..
    N)r   r   r   Ú__doc__r    r    r    r!   r"   #   s   r"   c                   @   s^  e Zd ZdZdZg Zdd„ Zdd„ Zedd„ ƒZ	ed	d
„ ƒZ
dd„ Zdd„ Zdd„ Zdd„ Zdd„ ZdGdd„ZdHdd„Zdd„ Zeddfdd„Zdd „ ZdId!d"„Zed#d$„ ƒZd%d&„ Zed'd(„ ƒZd)d*„ Zd+d,„ Zed-d.„ ƒZejd/d.„ ƒZd0d1„ Zed2d3„ ƒZ e jd4d3„ ƒZ d5d6„ Z!ed7d8„ ƒZ"d9d:„ Z#d;d<„ Z$d=d>„ Z%d?d@„ Z&dAdB„ Z'dCdD„ Z(dEdF„ Z)dS )JÚHttpRequestzA basic HTTP request.Nc                 C   sT   t dd�| _t dd�| _i | _i | _tƒ | _d| _d| _d | _	d | _
d | _d | _d S )NT)ÚmutableÚ )Ú	QueryDictÚGETÚPOSTÚCOOKIESÚMETAr   ZFILESÚpathÚ	path_infoÚmethodZresolver_matchÚcontent_typeÚcontent_params©Úselfr    r    r!   Ú__init__3   s    zHttpRequest.__init__c                 C   s6   | j d ks|  ¡ sd| jj S d| jj| j |  ¡ f S )Nz<%s>z<%s: %s %r>)r.   Úget_full_pathÚ	__class__r   r1   r    r    r!   Ú__repr__E   s    zHttpRequest.__repr__c                 C   s
   t | jƒS ©N)ÚHttpHeadersr+   r1   r    r    r!   ÚheadersJ   s    zHttpRequest.headersc                 C   s   t | j dd¡ƒS )z%Return a list of MediaType instances.ÚAcceptz*/*)Úparse_accept_headerr9   Úgetr1   r    r    r!   Úaccepted_typesN   s    zHttpRequest.accepted_typesc                    s   t ‡ fdd„| jD ƒƒS )Nc                 3   s   | ]}|  ˆ ¡V  qd S r7   )Úmatch)Ú.0Zaccepted_type©Ú
media_typer    r!   Ú	<genexpr>T   s   ÿz&HttpRequest.accepts.<locals>.<genexpr>)Úanyr=   )r2   rA   r    r@   r!   ÚacceptsS   s    þzHttpRequest.acceptsc                 C   s^   t  | dd¡¡\| _| _d| jkrZzt | jd ¡ W n tk
rL   Y nX | jd | _dS )z/Set content_type, content_params, and encoding.ÚCONTENT_TYPEr&   ÚcharsetN)	Úcgir   r<   r/   r0   ÚcodecsÚlookupÚLookupErrorÚencoding)r2   Úmetar    r    r!   Ú_set_content_type_paramsY   s    
z$HttpRequest._set_content_type_paramsc                 C   sh   t jrd| jkr| jd }nHd| jkr2| jd }n2| jd }|  ¡ }||  ¡ rRdndkrdd||f }|S )z—
        Return the HTTP host using the environment or request headers. Skip
        allowed hosts protection, so may return an insecure host.
        ZHTTP_X_FORWARDED_HOSTZ	HTTP_HOSTZSERVER_NAMEÚ443Ú80z%s:%s)r   ZUSE_X_FORWARDED_HOSTr+   Úget_portÚ	is_secure)r2   ÚhostZserver_portr    r    r!   Ú_get_raw_hostd   s    ÿ

zHttpRequest._get_raw_hostc                 C   sn   |   ¡ }tj}tjr"|s"dddg}t|ƒ\}}|r@t||ƒr@|S d| }|rZ|d| 7 }n|d7 }t|ƒ‚dS )z>Return the HTTP host using the environment or request headers.z
.localhostz	127.0.0.1z[::1]zInvalid HTTP_HOST header: %r.z) You may need to add %r to ALLOWED_HOSTS.zB The domain name provided is not valid according to RFC 1034/1035.N)rS   r   ZALLOWED_HOSTSÚDEBUGÚsplit_domain_portÚvalidate_hostr
   )r2   rR   Úallowed_hostsÚdomainÚportÚmsgr    r    r!   Úget_hostw   s    

zHttpRequest.get_hostc                 C   s.   t jrd| jkr| jd }n
| jd }t|ƒS )z3Return the port number for the request as a string.ZHTTP_X_FORWARDED_PORTZSERVER_PORT)r   ZUSE_X_FORWARDED_PORTr+   Ústr)r2   rY   r    r    r!   rP   ‹   s    
zHttpRequest.get_portFc                 C   s   |   | j|¡S r7   )Ú_get_full_pathr,   ©r2   Úforce_append_slashr    r    r!   r4   “   s    zHttpRequest.get_full_pathc                 C   s   |   | j|¡S r7   )r]   r-   r^   r    r    r!   Úget_full_path_info–   s    zHttpRequest.get_full_path_infoc              	   C   sH   dt |ƒ|r| d¡sdnd| j dd¡r@dt| j dd¡ƒ ndf S )Nú%s%s%sú/r&   ÚQUERY_STRINGú?)r   Úendswithr+   r<   r   )r2   r,   r_   r    r    r!   r]   ™   s
    &ýzHttpRequest._get_full_pathr&   c                 C   s‚   z| j | }W n& tk
r4   |tk	r.| Y S ‚ Y nX ztj|| d�j||d�}W n( tjk
r|   |tk	rv| Y S ‚ Y nX |S )z×
        Attempt to return a signed cookie. If the signature fails or the
        cookie has expired, raise an exception, unless the `default` argument
        is provided,  in which case return that value.
        )Úsalt)Úmax_age)r*   ÚKeyErrorÚRAISE_ERRORr	   Zget_cookie_signerZunsignZBadSignature)r2   ÚkeyÚdefaultrf   rg   Zcookie_valueÚvaluer    r    r!   Úget_signed_cookie¢   s      ÿ
zHttpRequest.get_signed_cookiec                 C   s   dj | j|  ¡ |  ¡ d�S )z•
        Return an absolute URI from variables available in this request. Skip
        allowed hosts protection, so may return insecure URI.
        z{scheme}://{host}{path})ÚschemerR   r,   )Úformatrn   rS   r4   r1   r    r    r!   Úget_raw_uri¹   s
    ýzHttpRequest.get_raw_uric                 C   sš   |dkrd|   ¡  }nt|ƒ}t|ƒ}|jr2|js’|j d¡r€|js€|js€d|jkr€d|jkr€| d¡rt|dd… }| j| }nt| j| j |ƒ}t	|ƒS )aÆ  
        Build an absolute URI from the location and the variables available in
        this request. If no ``location`` is specified, build the absolute URI
        using request.get_full_path(). If the location is absolute, convert it
        to an RFC 3987 compliant URI and return it. If location is relative or
        is scheme-relative (i.e., ``//example.com/``), urljoin() it to a base
        URL constructed from the request variables.
        Nz//%srb   z/./z/../z//é   )
r4   r\   r   rn   Únetlocr,   Ú
startswithÚ_current_scheme_hostr   r   )r2   ÚlocationÚbitsr    r    r!   Úbuild_absolute_uriÄ   s    	ÿÿ
zHttpRequest.build_absolute_uric                 C   s   d  | j|  ¡ ¡S )Nz{}://{})ro   rn   r[   r1   r    r    r!   rt   è   s    z HttpRequest._current_scheme_hostc                 C   s   dS )zf
        Hook for subclasses like WSGIRequest to implement. Return 'http' by
        default.
        Úhttpr    r1   r    r    r!   Ú_get_schemeì   s    zHttpRequest._get_schemec                 C   s^   t jrVzt j\}}W n tk
r0   tdƒ‚Y nX | j |¡}|d k	rV||krRdS dS |  ¡ S )NzJThe SECURE_PROXY_SSL_HEADER setting must be a tuple containing two values.Úhttpsrx   )r   ZSECURE_PROXY_SSL_HEADERÚ
ValueErrorr   r+   r<   ry   )r2   ÚheaderZsecure_valueÚheader_valuer    r    r!   rn   ó   s    ÿ
zHttpRequest.schemec                 C   s
   | j dkS )Nrz   )rn   r1   r    r    r!   rQ     s    zHttpRequest.is_securec                 C   s    t jdtdd� | j d¡dkS )Nzfrequest.is_ajax() is deprecated. See Django 3.1 release notes for more details about this deprecation.rq   )Ú
stacklevelZHTTP_X_REQUESTED_WITHZXMLHttpRequest)ÚwarningsÚwarnr   r+   r<   r1   r    r    r!   Úis_ajax  s    üzHttpRequest.is_ajaxc                 C   s   | j S r7   ©Ú	_encodingr1   r    r    r!   rK     s    zHttpRequest.encodingc                 C   s&   || _ t| dƒr| `t| dƒr"| `dS )zÓ
        Set the encoding used for GET/POST accesses. If the GET or POST
        dictionary has already been created, remove and recreate it on the
        next access (so that it is decoded correctly).
        r(   Ú_postN)rƒ   Úhasattrr(   r„   )r2   Úvalr    r    r!   rK     s
    

c                    s   ‡ fdd„t jD ƒˆ _d S )Nc                    s   g | ]}t  |ˆ ¡‘qS r    )r   Zload_handler)r?   Úhandlerr1   r    r!   Ú
<listcomp>  s   ÿz4HttpRequest._initialize_handlers.<locals>.<listcomp>)r   ZFILE_UPLOAD_HANDLERSÚ_upload_handlersr1   r    r1   r!   Ú_initialize_handlers  s    
ÿz HttpRequest._initialize_handlersc                 C   s   | j s|  ¡  | j S r7   )r‰   rŠ   r1   r    r    r!   Úupload_handlers"  s    zHttpRequest.upload_handlersc                 C   s   t | dƒrtdƒ‚|| _d S )NÚ_fileszGYou cannot set the upload handlers after the upload has been processed.)r…   ÚAttributeErrorr‰   )r2   r‹   r    r    r!   r‹   )  s    
c                 C   s*   t | jdd�| _t||| j| jƒ}| ¡ S )z9Return a tuple of (POST QueryDict, FILES MultiValueDict).zEYou cannot alter upload handlers after the upload has been processed.)Úwarning)r   r‹   r   rK   Úparse)r2   r+   Z	post_dataÚparserr    r    r!   Úparse_file_upload/  s    þzHttpRequest.parse_file_uploadc              
   C   s”   t | dƒsŽ| jrtdƒ‚tjd k	rDt| j d¡p2dƒtjkrDtdƒ‚z|  	¡ | _
W n. tk
r€ } zt|jŽ |‚W 5 d }~X Y nX t| j
ƒ| _| j
S )NÚ_bodyz?You cannot access body after reading from request's data streamÚCONTENT_LENGTHr   z;Request body exceeded settings.DATA_UPLOAD_MAX_MEMORY_SIZE.)r…   Ú_read_startedr"   r   ZDATA_UPLOAD_MAX_MEMORY_SIZEÚintr+   r<   r   Úreadr’   ÚOSErrorr   Úargsr   Ú_stream)r2   Úer    r    r!   Úbody8  s    

ÿzHttpRequest.bodyc                 C   s   t ƒ | _tƒ | _d S r7   )r'   r„   r   rŒ   r1   r    r    r!   Ú_mark_post_parse_errorJ  s    z"HttpRequest._mark_post_parse_errorc                 C   sæ   | j dkr&t| jd�tƒ  | _| _dS | jrBt| dƒsB|  ¡  dS | j	dkr¢t| dƒrbt
| jƒ}n| }z|  | j|¡\| _| _W qâ tk
rž   |  ¡  ‚ Y qâX n@| j	dkrÊt| j| jd�tƒ  | _| _nt| jd�tƒ  | _| _dS )zFPopulate self._post and self._files if the content-type is a form typer)   )rK   Nr’   zmultipart/form-dataz!application/x-www-form-urlencoded)r.   r'   rƒ   r   r„   rŒ   r”   r…   rœ   r/   r   r’   r‘   r+   r   r›   )r2   Údatar    r    r!   Ú_load_post_and_filesN  s$    




z HttpRequest._load_post_and_filesc                 C   s6   t | dƒr2t dd„ | j ¡ D ƒ¡D ]}| ¡  q$d S )NrŒ   c                 s   s   | ]}|d  V  qdS )r   Nr    )r?   Úlist_r    r    r!   rB   m  s     z$HttpRequest.close.<locals>.<genexpr>)r…   r   Úfrom_iterablerŒ   ÚlistsÚclose)r2   Úfr    r    r!   r¢   k  s    
zHttpRequest.closec              
   O   sJ   d| _ z| jj||ŽW S  tk
rD } zt|jŽ |‚W 5 d }~X Y nX d S ©NT)r”   r™   r–   r—   r   r˜   ©r2   r˜   Úkwargsrš   r    r    r!   r–   x  s
    zHttpRequest.readc              
   O   sJ   d| _ z| jj||ŽW S  tk
rD } zt|jŽ |‚W 5 d }~X Y nX d S r¤   )r”   r™   Úreadliner—   r   r˜   r¥   r    r    r!   r§     s
    zHttpRequest.readlinec                 C   s   t | jdƒS )Nó    )Úiterr§   r1   r    r    r!   Ú__iter__†  s    zHttpRequest.__iter__c                 C   s   t | ƒS r7   )Úlistr1   r    r    r!   Ú	readlines‰  s    zHttpRequest.readlines)F)F)N)*r   r   r   r#   rƒ   r‰   r3   r6   r   r9   r=   rD   rM   rS   r[   rP   r4   r`   r]   ri   rm   rp   rw   rt   ry   Úpropertyrn   rQ   r�   rK   ÚsetterrŠ   r‹   r‘   r›   rœ   rž   r¢   r–   r§   rª   r¬   r    r    r    r!   r$   ,   s\   



	
$

	



	
r$   c                       s@   e Zd ZdZddhZ‡ fdd„Z‡ fdd„Zedd	„ ƒZ‡  Z	S )
r8   ZHTTP_rE   r“   c                    s<   i }|  ¡ D ]\}}|  |¡}|r|||< qtƒ  |¡ d S r7   )ÚitemsÚparse_header_nameÚsuperr3   )r2   Úenvironr9   r|   rl   Úname©r5   r    r!   r3   ’  s    

zHttpHeaders.__init__c                    s   t ƒ  | dd¡¡S )z:Allow header lookup using underscores in place of hyphens.Ú_ú-)r±   Ú__getitem__Úreplace©r2   rj   r´   r    r!   r·   š  s    zHttpHeaders.__getitem__c                 C   s>   |  | j¡r |t| jƒd … }n|| jkr.d S | dd¡ ¡ S )Nrµ   r¶   )rs   ÚHTTP_PREFIXÚlenÚUNPREFIXED_HEADERSr¸   Útitle)Úclsr|   r    r    r!   r°   ž  s
    
zHttpHeaders.parse_header_name)
r   r   r   rº   r¼   r3   r·   Úclassmethodr°   Ú__classcell__r    r    r´   r!   r8   �  s   r8   c                       sì   e Zd ZdZdZdZd)‡ fdd„	Zed*dd	„ƒZe	d
d„ ƒZ
e
jdd„ ƒZ
dd„ Z‡ fdd„Z‡ fdd„Zdd„ Zdd„ Z‡ fdd„Zd+‡ fdd„	Z‡ fdd„Z‡ fdd„Z‡ fdd „Z‡ fd!d"„Zd,‡ fd#d$„	Zd%d&„ Zd-d'd(„Z‡  ZS ).r'   aû  
    A specialized MultiValueDict which represents a query string.

    A QueryDict can be used to represent GET or POST data. It subclasses
    MultiValueDict since keys in such data can be repeated, for instance
    in the data from a form with a <select multiple> field.

    By default QueryDicts are immutable, though the copy() method
    will always return a mutable copy.

    Both keys and values set on this class are converted from the given encoding
    (DEFAULT_CHARSET by default) to str.
    TNFc                    s”   t ƒ  ¡  |ptj| _|pd}dtj| jdœ}t|tƒrhz| | j¡}W n t	k
rf   | d¡}Y nX t
|f|ŽD ]\}}|  ||¡ qt|| _d S )Nr&   T)Úkeep_blank_valuesZfields_limitrK   z
iso-8859-1)r±   r3   r   ÚDEFAULT_CHARSETrK   ZDATA_UPLOAD_MAX_NUMBER_FIELDSÚ
isinstanceÚbytesÚdecodeÚUnicodeDecodeErrorr   Ú
appendlistÚ_mutable)r2   Zquery_stringr%   rK   Zparse_qsl_kwargsrj   rl   r´   r    r!   r3   »  s    
ý
zQueryDict.__init__r&   c                 C   s2   | dd|d�}|D ]}|  ||¡ q|s.d|_|S )zt
        Return a new QueryDict with keys (may be repeated) from an iterable and
        values from value.
        r&   T©r%   rK   F)rÇ   rÈ   )r¾   Úiterablerl   r%   rK   Úqrj   r    r    r!   ÚfromkeysÏ  s    zQueryDict.fromkeysc                 C   s   | j d krtj| _ | j S r7   )rƒ   r   rÂ   r1   r    r    r!   rK   Ü  s    
zQueryDict.encodingc                 C   s
   || _ d S r7   r‚   )r2   rl   r    r    r!   rK   â  s    c                 C   s   | j stdƒ‚d S )Nz$This QueryDict instance is immutable)rÈ   r�   r1   r    r    r!   Ú_assert_mutableæ  s    zQueryDict._assert_mutablec                    s2   |   ¡  t|| jƒ}t|| jƒ}tƒ  ||¡ d S r7   )rÍ   Úbytes_to_textrK   r±   Ú__setitem__©r2   rj   rl   r´   r    r!   rÏ   ê  s    zQueryDict.__setitem__c                    s   |   ¡  tƒ  |¡ d S r7   )rÍ   r±   Ú__delitem__r¹   r´   r    r!   rÑ   ð  s    zQueryDict.__delitem__c                 C   s4   | j dd| jd�}|  ¡ D ]\}}| ||¡ q|S ©Nr&   TrÉ   )r5   rK   r¡   Úsetlist)r2   Úresultrj   rl   r    r    r!   Ú__copy__ô  s    zQueryDict.__copy__c                 C   sP   | j dd| jd�}||t| ƒ< |  ¡ D ]$\}}| t ||¡t ||¡¡ q&|S rÒ   )r5   rK   Úidr¡   rÓ   ÚcopyÚdeepcopy)r2   ÚmemorÔ   rj   rl   r    r    r!   Ú__deepcopy__ú  s
    zQueryDict.__deepcopy__c                    s8   ˆ   ¡  t|ˆ jƒ}‡ fdd„|D ƒ}tƒ  ||¡ d S )Nc                    s   g | ]}t |ˆ jƒ‘qS r    )rÎ   rK   )r?   Úeltr1   r    r!   rˆ     s     z%QueryDict.setlist.<locals>.<listcomp>)rÍ   rÎ   rK   r±   rÓ   )r2   rj   rŸ   r´   r1   r!   rÓ     s    zQueryDict.setlistc                    s   |   ¡  tƒ  ||¡S r7   )rÍ   r±   Úsetlistdefault)r2   rj   Zdefault_listr´   r    r!   rÜ     s    zQueryDict.setlistdefaultc                    s2   |   ¡  t|| jƒ}t|| jƒ}tƒ  ||¡ d S r7   )rÍ   rÎ   rK   r±   rÇ   rÐ   r´   r    r!   rÇ     s    zQueryDict.appendlistc                    s   |   ¡  tƒ j|f|žŽ S r7   )rÍ   r±   Úpop)r2   rj   r˜   r´   r    r!   rÝ     s    zQueryDict.popc                    s   |   ¡  tƒ  ¡ S r7   )rÍ   r±   Úpopitemr1   r´   r    r!   rÞ     s    zQueryDict.popitemc                    s   |   ¡  tƒ  ¡  d S r7   )rÍ   r±   Úclearr1   r´   r    r!   rß     s    zQueryDict.clearc                    s.   |   ¡  t|| jƒ}t|| jƒ}tƒ  ||¡S r7   )rÍ   rÎ   rK   r±   Ú
setdefault)r2   rj   rk   r´   r    r!   rà     s    zQueryDict.setdefaultc                 C   s
   |   i ¡S )z%Return a mutable copy of this object.)rÚ   r1   r    r    r!   r×   #  s    zQueryDict.copyc                    sb   g }ˆr"ˆ  ˆj¡‰‡fdd„‰ ndd„ ‰ ˆ ¡ D ]$\‰}| ‡ ‡‡fdd„|D ƒ¡ q2d |¡S )ah  
        Return an encoded string of all query string arguments.

        `safe` specifies characters which don't require quoting, for example::

            >>> q = QueryDict(mutable=True)
            >>> q['next'] = '/a&b/'
            >>> q.urlencode()
            'next=%2Fa%26b%2F'
            >>> q.urlencode(safe='/')
            'next=/a%26b/'
        c                    s   dt | ˆ ƒt |ˆ ƒf S )Nz%s=%s)r   ©ÚkÚv)Úsafer    r!   Úencode8  s    z#QueryDict.urlencode.<locals>.encodec                 S   s   t | |iƒS r7   )r   rá   r    r    r!   rå   ;  s    c                 3   s,   | ]$}ˆ ˆ  ˆj¡t|ƒ  ˆj¡ƒV  qd S r7   )rå   rK   r\   )r?   rã   )rå   râ   r2   r    r!   rB   >  s   ÿz&QueryDict.urlencode.<locals>.<genexpr>ú&)rå   rK   r¡   ÚextendÚjoin)r2   rä   ÚoutputrŸ   r    )rå   râ   rä   r2   r!   r   '  s    þ
zQueryDict.urlencode)NFN)r&   FN)N)N)N)r   r   r   r#   rÈ   rƒ   r3   r¿   rÌ   r­   rK   r®   rÍ   rÏ   rÑ   rÕ   rÚ   rÓ   rÜ   rÇ   rÝ   rÞ   rß   rà   r×   r   rÀ   r    r    r´   r!   r'   §  s0   

r'   c                   @   s8   e Zd Zdd„ Zdd„ Zdd„ Zedd„ ƒZd	d
„ ZdS )Ú	MediaTypec                 C   s4   t |r| d¡ndƒ\}| _| d¡\| _}| _d S )NÚasciir¨   rb   )r   rå   ÚparamsÚ	partitionÚ	main_typeÚsub_type)r2   Zmedia_type_raw_lineZ	full_typerµ   r    r    r!   r3   F  s    ÿ
zMediaType.__init__c                 C   s:   d  dd„ | j ¡ D ƒ¡}d| j| jr0d| j nd|f S )Nr&   c                 s   s$   | ]\}}d ||  d¡f V  qdS )z; %s=%srë   N)rÅ   )r?   râ   rã   r    r    r!   rB   M  s   ÿz$MediaType.__str__.<locals>.<genexpr>ra   z/%s)rè   rì   r¯   rî   rï   )r2   Z
params_strr    r    r!   Ú__str__L  s    
þýzMediaType.__str__c                 C   s   d| j j| f S )Nz<%s: %s>)r5   r   r1   r    r    r!   r6   W  s    zMediaType.__repr__c                 C   s   | j dko| jdkS )NÚ*)rî   rï   r1   r    r    r!   Úis_all_typesZ  s    zMediaType.is_all_typesc                 C   s6   | j r
dS t|ƒ}| j|jkr2| jd|jhkr2dS dS )NTrñ   F)rò   rê   rî   rï   )r2   Úotherr    r    r!   r>   ^  s    zMediaType.matchN)	r   r   r   r3   rð   r6   r­   rò   r>   r    r    r    r!   rê   E  s   
rê   c                 C   s   t | tƒrt| |dƒS | S dS )u×   
    Convert bytes objects to strings, using the given encoding. Illegally
    encoded input characters are replaced with Unicode "unknown" codepoint
    (ï¿½).

    Return any non-bytes objects without change.
    r¸   N)rÃ   rÄ   r\   )ÚsrK   r    r    r!   rÎ   j  s    
rÎ   c                 C   sx   |   ¡ } t | ¡sdS | d dkr*| dfS |  dd¡}t|ƒdkrF|n
|d df\}}| d	¡rl|d
d… n|}||fS )z”
    Return a (domain, port) tuple from a given host.

    Returned domain is lowercased. If the host is invalid, the domain will be
    empty.
    )r&   r&   éÿÿÿÿú]r&   ú:r   rq   r   Ú.N)ÚlowerÚhost_validation_rer>   Úrsplitr»   re   )rR   rv   rX   rY   r    r    r!   rU   x  s    
 rU   c                    s   t ‡ fdd„|D ƒƒS )a4  
    Validate the given host for this site.

    Check that the host looks valid and matches a host or host pattern in the
    given list of ``allowed_hosts``. Any pattern beginning with a period
    matches a domain and all its subdomains (e.g. ``.example.com`` matches
    ``example.com`` and any subdomain), ``*`` matches anything, and anything
    else must match exactly.

    Note: This function assumes that the given host is lowercased and has
    already had the port, if any, stripped off.

    Return ``True`` for a valid host, ``False`` otherwise.
    c                 3   s    | ]}|d kpt ˆ |ƒV  qdS )rñ   N)r   )r?   Úpattern©rR   r    r!   rB   �  s     z validate_host.<locals>.<genexpr>)rC   )rR   rW   r    rý   r!   rV   Ž  s    rV   c                 C   s   dd„ |   d¡D ƒS )Nc                 S   s   g | ]}|  ¡ rt|ƒ‘qS r    )Ústriprê   )r?   Útokenr    r    r!   rˆ   ¡  s      z'parse_accept_header.<locals>.<listcomp>ú,)Úsplit)r|   r    r    r!   r;      s    r;   );rG   rH   r×   r   Úior   Ú	itertoolsr   Úurllib.parser   r   r   r   Zdjango.confr   Zdjango.corer	   Zdjango.core.exceptionsr
   r   r   Zdjango.core.filesr   Zdjango.http.multipartparserr   r   Zdjango.utils.datastructuresr   r   r   Zdjango.utils.deprecationr   Zdjango.utils.encodingr   r   Zdjango.utils.functionalr   Zdjango.utils.httpr   r   Zdjango.utils.regex_helperr   Zmultipartparserr   Úobjectri   rú   r—   r   Ú	Exceptionr"   r$   r8   r'   rê   rÎ   rU   rV   r;   r    r    r    r!   Ú<module>   sB   	  c %