î ªÍXÜã@s:dZddlmZddlmZddlmZddlmZm Z ddl m Z ddl m Z dd d d d d ddgZGdd„deƒZe Gdd „d eƒƒZGdd „d eƒZGdd„deƒZGdd „d eƒZGdd „d eƒZGdd „d eƒZdd„ZdS)zH Base file upload handler classes, and the built-in concrete subclasses é)Úunicode_literals)ÚBytesIO)Úsettings)ÚInMemoryUploadedFileÚTemporaryUploadedFile)Úpython_2_unicode_compatible)Ú import_stringÚUploadFileExceptionÚ StopUploadÚSkipFileÚFileUploadHandlerÚTemporaryFileUploadHandlerÚMemoryFileUploadHandlerÚ load_handlerÚStopFutureHandlersc@seZdZdZdS)r z6 Any error having to do with uploading files. N)Ú__name__Ú __module__Ú __qualname__Ú__doc__©rrúM/home/ubuntu/projects/ifolica/build/django/django/core/files/uploadhandler.pyr s c@s1eZdZdZddd„Zdd„ZdS)r z= This exception is raised when an upload must abort. FcCs ||_dS)zÒ If ``connection_reset`` is ``True``, Django knows will halt the upload without consuming the rest of the upload. This will cause the browser to show a "connection reset" error. N)Úconnection_reset)ÚselfrrrrÚ__init__#szStopUpload.__init__cCs|jr dSdSdS)Nz StopUpload: Halt current upload.z,StopUpload: Consume request data, then halt.)r)rrrrÚ__str__+s zStopUpload.__str__N)rrrrrrrrrrr s c@seZdZdZdS)r zX This exception is raised by an upload handler that wants to skip a given file. N)rrrrrrrrr 2s c@seZdZdZdS)rz“ Upload handers that have handled a file and do not want future handlers to run should raise this exception instead of returning None. N)rrrrrrrrr9s c@speZdZdZdZddd„Zddd „Zddd d „Zd d „Zdd„Z dd„Z dS)r z3 Base class for streaming upload handlers. é@éé NcCs:d|_d|_d|_d|_d|_||_dS)N)Ú file_nameÚ content_typeÚcontent_lengthÚcharsetÚcontent_type_extraÚrequest)rr#rrrrGs      zFileUploadHandler.__init__cCsdS)aÆ Handle the raw input from the client. Parameters: :input_data: An object that supports reading via .read(). :META: ``request.META``. :content_length: The (integer) value of the Content-Length header from the client. :boundary: The boundary from the Content-Type header. Be sure to prepend two '--'. Nr)rÚ input_dataÚMETAr ÚboundaryÚencodingrrrÚhandle_raw_inputOsz"FileUploadHandler.handle_raw_inputcCs:||_||_||_||_||_||_dS)z½ Signal that a new file has been started. Warning: As with any data from the client, you should not trust content_length (and sometimes won't even get it). N)Ú field_namerrr r!r")rr)rrr r!r"rrrÚnew_fileas      zFileUploadHandler.new_filecCstdƒ‚dS)z{ Receive data from the streamed upload parser. ``start`` is the position in the file of the chunk. zJsubclasses of FileUploadHandler must provide a receive_data_chunk() methodN)ÚNotImplementedError)rÚraw_dataÚstartrrrÚreceive_data_chunkosz$FileUploadHandler.receive_data_chunkcCstdƒ‚dS)zÆ Signal that a file has completed. File size corresponds to the actual size accumulated by all the chunks. Subclasses should return a valid ``UploadedFile`` object. zEsubclasses of FileUploadHandler must provide a file_complete() methodN)r+)rÚ file_sizerrrÚ file_completevszFileUploadHandler.file_completecCsdS)zƒ Signal that the upload is complete. Subclasses should perform cleanup that is necessary for this handler. Nr)rrrrÚupload_completesz!FileUploadHandler.upload_completeii) rrrrÚ chunk_sizerr(r*r.r0r1rrrrr As   csReZdZdZ‡fdd†Z‡fdd†Zdd„Zdd „Z‡S) r zA Upload handler that streams data into a temporary file. cstt|ƒj||ŽdS)N)Úsuperr r)rÚargsÚkwargs)Ú __class__rrr‹sz#TemporaryFileUploadHandler.__init__csDtt|ƒj||Žt|j|jd|j|jƒ|_dS)zK Create the file object to append to as data is coming in. rN) r3r r*rrrr!r"Úfile)rr4r5)r6rrr*Žsz#TemporaryFileUploadHandler.new_filecCs|jj|ƒdS)N)r7Úwrite)rr,r-rrrr.•sz-TemporaryFileUploadHandler.receive_data_chunkcCs#|jjdƒ||j_|jS)Nr)r7ÚseekÚsize)rr/rrrr0˜s z(TemporaryFileUploadHandler.file_complete)rrrrrr*r.r0rr)r6rr ‡s  csOeZdZdZddd„Z‡fdd†Zdd„Zd d „Z‡S) rzS File upload handler to stream uploads into memory (used for small files). NcCs(|tjkrd|_n d|_dS)z` Use the content_length to signal whether or not this handler should be in use. FTN)rZFILE_UPLOAD_MAX_MEMORY_SIZEÚ activated)rr$r%r r&r'rrrr(£s z(MemoryFileUploadHandler.handle_raw_inputcs>tt|ƒj||Ž|jr:tƒ|_tƒ‚ndS)N)r3rr*r;rr7r)rr4r5)r6rrr*®s  z MemoryFileUploadHandler.new_filecCs$|jr|jj|ƒn|SdS)z3 Add the data to the BytesIO file. N)r;r7r8)rr,r-rrrr.´s z*MemoryFileUploadHandler.receive_data_chunkcCs`|js dS|jjdƒtd|jd|jd|jd|jd|d|jd |jƒS) z: Return a file object if we're activated. Nrr7r)Únamerr:r!r") r;r7r9rr)rrr!r")rr/rrrr0½s      z%MemoryFileUploadHandler.file_complete)rrrrr(r*r.r0rr)r6rržs   cOst|ƒ||ŽS)a= Given a path to a handler, return an instance of that handler. E.g.:: >>> from django.http import HttpRequest >>> request = HttpRequest() >>> load_handler('django.core.files.uploadhandler.TemporaryFileUploadHandler', request) )r)Úpathr4r5rrrrÐs N)rÚ __future__rÚiorZ django.confrZdjango.core.files.uploadedfilerrZdjango.utils.encodingrZdjango.utils.module_loadingrÚ__all__Ú Exceptionr r r rÚobjectr r rrrrrrÚs$    F2