U
    mf]                     @   s   d Z ddlZddlmZ ddlmZ ddlmZ ddl	m
Z
 ddlmZ dZG d	d
 d
e
ZG dd deZG dd deZG dd deZdS )z&
Classes representing uploaded files.
    N)BytesIO)settings)temp)File)validate_file_name)UploadedFileTemporaryUploadedFileInMemoryUploadedFileSimpleUploadedFilec                       sD   e Zd ZdZd fdd	Zdd Zdd Zd	d
 ZeeeZ	  Z
S )r   a  
    An abstract uploaded file (``TemporaryUploadedFile`` and
    ``InMemoryUploadedFile`` are the built-in concrete subclasses).

    An ``UploadedFile`` object behaves somewhat like a file object and
    represents some file data that the user submitted with a form.
    Nc                    s*   t  || || _|| _|| _|| _d S N)super__init__sizecontent_typecharsetcontent_type_extra)selffilenamer   r   r   r   	__class__ B/tmp/pip-unpacked-wheel-siwebuq3/django/core/files/uploadedfile.pyr      s
    	zUploadedFile.__init__c                 C   s   d| j j| j| jf S )Nz<%s: %s (%s)>)r   __name__r   r   r   r   r   r   __repr__-   s    zUploadedFile.__repr__c                 C   s   | j S r   )_namer   r   r   r   	_get_name0   s    zUploadedFile._get_namec                 C   sf   |d k	r\t j|}t|dkrTt j|\}}|d d }|d dt|  | }t|}|| _d S )N   )ospathbasenamelensplitextr   r   )r   r   extr   r   r   	_set_name3   s    zUploadedFile._set_name)NNNNNN)r   
__module____qualname____doc__r   r   r   r%   propertyr   __classcell__r   r   r   r   r      s   
      r   c                       s2   e Zd ZdZd	 fdd	Zdd Zdd Z  ZS )
r   zH
    A file uploaded to a temporary location (i.e. stream-to-disk).
    Nc           	         s>   t j|\}}tjd| tjd}t |||||| d S )Nz.upload)suffixdir)	r   r    r#   tempfileNamedTemporaryFiler   ZFILE_UPLOAD_TEMP_DIRr   r   )	r   r   r   r   r   r   _r$   r   r   r   r   r   K   s     zTemporaryUploadedFile.__init__c                 C   s   | j jS )z"Return the full path of this file.)r   r   r   r   r   r   temporary_file_pathR   s    z)TemporaryUploadedFile.temporary_file_pathc                 C   s&   z| j  W S  tk
r    Y nX d S r   )r   closeFileNotFoundErrorr   r   r   r   r1   V   s    zTemporaryUploadedFile.close)N)r   r&   r'   r(   r   r0   r1   r*   r   r   r   r   r   F   s   r   c                       s@   e Zd ZdZd fdd	ZdddZdddZdd	d
Z  ZS )r	   z>
    A file uploaded into memory (i.e. stream-to-memory).
    Nc                    s    t  |||||| || _d S r   )r   r   
field_name)r   r   r3   r   r   r   r   r   r   r   r   r   e   s    
zInMemoryUploadedFile.__init__c                 C   s   | j d | S Nr   )r   seek)r   moder   r   r   openr   s    zInMemoryUploadedFile.openc                 c   s   | j d |  V  d S r4   )r   r5   readr   
chunk_sizer   r   r   chunksv   s    zInMemoryUploadedFile.chunksc                 C   s   dS )NFr   r9   r   r   r   multiple_chunksz   s    z$InMemoryUploadedFile.multiple_chunks)N)N)N)N)	r   r&   r'   r(   r   r7   r;   r<   r*   r   r   r   r   r	   `   s    

r	   c                       s.   e Zd ZdZd fdd	Zedd Z  ZS )r
   zV
    A simple representation of a file, which just has content, size, and a name.
    
text/plainc              	      s,   |pd}t  t|d ||t|d d  d S )N    )r   r   r   r"   )r   r   contentr   r   r   r   r      s          zSimpleUploadedFile.__init__c                 C   s   | |d |d | ddS )z
        Create a SimpleUploadedFile object from a dictionary with keys:
           - filename
           - content-type
           - content
        filenamer?   zcontent-typer=   )get)clsZ	file_dictr   r   r   	from_dict   s
    
zSimpleUploadedFile.from_dict)r=   )r   r&   r'   r(   r   classmethodrC   r*   r   r   r   r   r
      s   r
   )r(   r   ior   Zdjango.confr   Zdjango.core.filesr   r-   Zdjango.core.files.baser   Zdjango.core.files.utilsr   __all__r   r   r	   r
   r   r   r   r   <module>   s   1