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Python UploadedFile.chunks方法代码示例

本文整理汇总了Python中django.core.files.uploadedfile.UploadedFile.chunks方法的典型用法代码示例。如果您正苦于以下问题:Python UploadedFile.chunks方法的具体用法?Python UploadedFile.chunks怎么用?Python UploadedFile.chunks使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在django.core.files.uploadedfile.UploadedFile的用法示例。


在下文中一共展示了UploadedFile.chunks方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: accept_uploaded_photo

# 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 chunks [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.........
开发者ID:edgarroman,项目名称:django-lame-photogallery,代码行数:103,代码来源:views.py


注:本文中的django.core.files.uploadedfile.UploadedFile.chunks方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。