Python UploadedFile.read方法代码示例

# 需要导入模块: from django.core.files.uploadedfile import UploadedFile [as 别名]
# 或者: from django.core.files.uploadedfile.UploadedFile import read [as 别名]
 def parse_file(self, file: UploadedFile, _) -> Iterable[Article]:
     data = file.read()
     try:
         for para in self.split_file(data):
             yield self.parse_document(para)
     except ApaError:
         log.error("APA parse attempt failed.")
         if settings.DEBUG:
             log.error("The generated HTML can be found in /tmp/apa_unrtf.html")
         raise

# 需要导入模块: from django.core.files.uploadedfile import UploadedFile [as 别名]
# 或者: from django.core.files.uploadedfile.UploadedFile import read [as 别名]
def upload(req):
    if req.method == 'POST':
        if 'file' in req.FILES:
            file = req.FILES['file']
            filename = file._name
            
            image = UploadedFile.read(file)
            print image
            # apps.ImageTrans.getGrayscale(file)
            image2 = cv2.imread(image,0)
            print image2
            
            fp = open('%s/%s' % ('image/data', filename) , 'wb')
            for chunk in file.chunks():
                fp.write(chunk)
            fp.close()
            return HttpResponse('File Uploaded')
    return HttpResponse('Failed to Upload File')

# 需要导入模块: from django.core.files.uploadedfile import UploadedFile [as 别名]
# 或者: from django.core.files.uploadedfile.UploadedFile import read [as 别名]
def fileupload(request):
    if request.method == 'POST':
        
        cc = request.POST.get('cc');

        myexcel = request.FILES['files[]']
        excel_obj = UploadedFile(myexcel)
        workbook = xlrd.open_workbook(file_contents = excel_obj.read())
        all_worksheets = workbook.sheet_names()
        
        worksheet_name = all_worksheets[0]
        worksheet = workbook.sheet_by_name(worksheet_name)
        
        for rownum in xrange(worksheet.nrows):
            tmp = []
            for entry in worksheet.row_values(rownum):
                tmp.append(entry)
            print tmp
        
        return JsonResponse({'status': 'fileupload_ok'})

# 需要导入模块: from django.core.files.uploadedfile import UploadedFile [as 别名]
# 或者: from django.core.files.uploadedfile.UploadedFile import read [as 别名]
def save_document(request_file, content_subdir, related_obj, ashash = True):
	uploadedfile = UploadedFile(request_file)
	file_content = uploadedfile.read()
	doc_obj = Document()
	doc_obj.filehash = md5(file_content).hexdigest()
	doc_obj.urlencfilename = quote(uploadedfile.name)
	doc_obj.filename = uploadedfile.name
	doc_obj.content_type = uploadedfile.file.content_type
	if ashash:
		doc_obj.filepath = settings.BASE_DIR + content_subdir + doc_obj.filehash
	else:
		doc_obj.filepath = settings.BASE_DIR + content_subdir + doc_obj.filename
	if related_obj.__class__.__name__.lower() == "queryset":
		if len(related_obj) == 1:
			setattr(doc_obj, related_obj[0].__class__.__name__.lower(), related_obj[0])
		else:
			print "ERROR: The queryset object had %s elements to it" % str(len(related_obj))
	else:
		setattr(doc_obj, related_obj.__class__.__name__.lower(), related_obj)
	doc_obj.save()

	wfile = open(doc_obj.filepath, "w")
	wfile.write(file_content)
	wfile.close()

# 需要导入模块: from django.core.files.uploadedfile import UploadedFile [as 别名]
# 或者: from django.core.files.uploadedfile.UploadedFile import read [as 别名]
def _read(file: UploadedFile, n=None):
    """Read the file, guessing encoding if needed"""
    binary_content = file.read(n)
    encoding = _get_encoding(file.encoding, binary_content)
    return binary_content.decode(encoding)

# 需要导入模块: from django.core.files.uploadedfile import UploadedFile [as 别名]
# 或者: from django.core.files.uploadedfile.UploadedFile import read [as 别名]
def multiuploader(request, patient_id=None):
    """
    Main Multiuploader module.
    Parses data from jQuery plugin and makes database changes.
    """
    if request.method == 'POST':
        log.info('received POST to main multiuploader view')
        if request.FILES == None:
            return HttpResponseBadRequest('Must have files attached!')

        #getting file data for farther manipulations
        file = request.FILES[u'files[]']

        wrapped_file = UploadedFile(file)
        filename = wrapped_file.name
        file_size = wrapped_file.file.size
        log.info ('Got file: "%s"' % str(filename))
        log.info('Content type: "$s" % file.content_type')

        #writing file manually into model
        #because we don't need form of any type.
        print request.POST
        if patient_id=='new':
            print wrapped_file.read()
            return HttpResponse(status=204)
        
        image = MultiuploaderImage()
        patient=Patient.objects.get(pk=patient_id)
        image.filename=str(filename)
        image.image=file
        image.key_data = image.key_generate
        patient.multiuploaderimage_set.add(image)
        log.info('File saving done')

        #getting thumbnail url using sorl-thumbnail
        if 'image' in file.content_type.lower():
            im = get_thumbnail(image, "80x80", quality=50)
            thumb_url = im.url
        else:
            thumb_url = ''

        #settings imports
        try:
            file_delete_url = settings.MULTI_FILE_DELETE_URL+'/'
            file_url = settings.MULTI_IMAGE_URL+'/'+image.key_data+'/'
        except AttributeError:
            file_delete_url = 'multi_delete/'
            file_url = 'multi_image/'+image.key_data+'/'

        """
        is actually: [{"name": "Screenshot from 2012-11-14 16:17:46.png", "url": "multi_image/95925526541943247735000327303075602114185579370918344597903504067450818566531/", "thumbnail_url": "/media/cache/f8/bd/f8bd83aadeba651ff9c040bb394ce117.jpg", "delete_type": "POST", "delete_url": "multi_delete/7/", "size": 38520}]
        should be:   {"files":[{"url":"http://jquerey-file-upload.appspot.com/AMIfv9734HSTDGd3tIybbnKVru--IjhjULKvNcIGUL2lvfqA93RNCAizDbvP-RQJNbh-N9m8UXsk-90jFFYSp8TlbZYhEcNN6Vb9HzQVQtdmF83H6sE_XkdnlI2V8lHX5V3Y4AamdX6VMbAt9sNWNx2BVGzhTfAYkRLYmRE1VzzWSe9C8c8Fu8g/Screenshot%20from%202012-11-14%2016%3A17%3A46.png","thumbnail_url":"http://lh5.ggpht.com/fcjVNT6qUGoMDtqqaNDNtU4mghy34qlzfj2GujikLgC7Nj5Bs4LUT_DWG_Q8OWujqvYHsKbeQ9pkvoAW4WiaubmqQxobIPyt=s80","name":"Screenshot from 2012-11-14 16:17:46.png","type":"image/png","size":38520,"delete_url":"http://jquery-file-upload.appspot.com/AMIfv9734HSTDGd3tIybbnKVru--IjhjULKvNcIGUL2lvfqA93RNCAizDbvP-RQJNbh-N9m8UXsk-90jFFYSp8TlbZYhEcNN6Vb9HzQVQtdmF83H6sE_XkdnlI2V8lHX5V3Y4AamdX6VMbAt9sNWNx2BVGzhTfAYkRLYmRE1VzzWSe9C8c8Fu8g/Screenshot%20from%202012-11-14%2016%3A17%3A46.png?delete=true","delete_type":"DELETE"}]}
        """

        #generating json response array
        result = {
            'files': [ {"name":filename, 
                       "size":file_size, 
                       "url":file_url, 
                       "thumbnail_url":thumb_url,
                       "delete_url":file_delete_url+str(image.pk)+'/', 
                       "delete_type":"POST",}
                    ]
        }
        response_data = simplejson.dumps(result)
        
        #checking for json data type
        #big thanks to Guy Shapiro
        if "application/json" in request.META['HTTP_ACCEPT_ENCODING']:
            mimetype = 'application/json'
        else:
            mimetype = 'text/plain'
        return HttpResponse(status=204)
            #response_data, mimetype=mimetype)
    else: #GETim
        return HttpResponse('Only POST accepted')

# 需要导入模块: from django.core.files.uploadedfile import UploadedFile [as 别名]
# 或者: from django.core.files.uploadedfile.UploadedFile import read [as 别名]
def accept_uploaded_photo(request, album_id):
    """
    Main Multiuploader module.
    Parses data from jQuery plugin and makes database changes.
    """
    if request.method == 'POST':
        logid = random.randint(0,1000)
        log.info('[%s] received POST to main multiuploader view' % logid)
        if request.FILES == None:
            return HttpResponseBadRequest('Must have files attached!')

        #getting file data for farther manipulations
        file = request.FILES[u'files[]']
        wrapped_file = UploadedFile(file)
        filename = wrapped_file.name
        file_size = wrapped_file.file.size
        log.info ('[%s] Got file: "%s"' % (logid, str(filename)))

        # Write out file to disk as a temp file
        randnumber = logid # use the random number here too
        temp_filename = '%stmp%s_%s' % (settings.TEMP_DIRECTORY,randnumber, filename)
        log.info('[%s] Writing out to: %s' % (logid, temp_filename))
        destination = open(temp_filename, 'wb+')
        if wrapped_file.multiple_chunks():
            for chunk in wrapped_file.chunks():
                destination.write(chunk)
        else:
            destination.write(wrapped_file.read())
        destination.close()

        # Dump out EXIF Tags
#        im = Image.open(temp_filename)
#        if hasattr( im, '_getexif' ):
#            exifinfo = im._getexif()
#            if exifinfo:
#                for tag, value in exifinfo.items():
#                    decoded = ExifTags.TAGS.get(tag, tag)
#                    log.info('Found tag: %s, value: %s' % (decoded,value))

        orientation = None
        date_taken = None
        # Make full size and thumbsize
        try:
            im = Image.open(temp_filename)
        except IOError:
            log.info('[%s] Error opening file %s: %s %s' % (logid, temp_filename, e.errno, e))
            return HttpResponseBadRequest('Could not read file')

        if hasattr( im, '_getexif' ):
            exifinfo = im._getexif()
            if exifinfo:
                for tag, value in exifinfo.items():
                    decoded = ExifTags.TAGS.get(tag, tag)
#                    if decoded != 'MakerNote':
#                        if decoded != 'UserComment':
#                            log.info('Found tag: %s, value: %s' % (decoded,value))
                    if decoded == 'Orientation':
                        orientation = value
                        log.info('[%s] Found tag: %s, value: %s' % (logid,decoded,value))
                    elif decoded == 'DateTime':
                        date_taken =  datetime.strptime(value, "%Y:%m:%d %H:%M:%S")
                        log.info('[%s] Found tag: %s, value: %s, date_taken=%s' % (logid,decoded,value,date_taken))

        # We rotate regarding to the EXIF orientation information
        if orientation:
            if orientation == 1:
                # Nothing
                log.info('[%s] Orientation: No rotation necessary' % logid)
                pass
            elif orientation == 2:
                # Vertical Mirror
                log.info('[%s] Orientation: Vertical flip' % logid)
                im = im.transpose(Image.FLIP_LEFT_RIGHT)
            elif orientation == 3:
                # Rotation 180
                log.info('[%s] Orientation: Rotation 180' % logid)
                im = im.transpose(Image.ROTATE_180)
            elif orientation == 4:
                # Horizontal Mirror
                log.info('[%s] Orientation: Horizontal Mirror' % logid)
                im = im.transpose(Image.FLIP_TOP_BOTTOM)
            elif orientation == 5:
                # Horizontal Mirror + Rotation 270
                log.info('[%s] Orientation: Flip top bottom, rot 270' % logid)
                im = im.transpose(Image.FLIP_TOP_BOTTOM).transpose(Image.ROTATE_270)
            elif orientation == 6:
                # Rotation 270
                log.info('[%s] Orientation: Rotate 270' % logid)
                im = im.transpose(Image.ROTATE_270)
            elif orientation == 7:
                # Vertical Mirror + Rotation 270
                log.info('[%s] Orientation: Flip left right, rotate 270' % logid)
                im = im.transpose(Image.FLIP_LEFT_RIGHT).transpose(Image.ROTATE_270)
            elif orientation == 8:
                # Rotation 90
                log.info('[%s] Orientation: Rotate 90' % logid)
                im = im.transpose(Image.ROTATE_90)

        #------------------
        # Save the transposed image to disk
#.........这里部分代码省略.........