本文整理汇总了Python中xmodule.contentstore.content.StaticContent.generate_thumbnail_name方法的典型用法代码示例。如果您正苦于以下问题：Python StaticContent.generate_thumbnail_name方法的具体用法？Python StaticContent.generate_thumbnail_name怎么用？Python StaticContent.generate_thumbnail_name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类xmodule.contentstore.content.StaticContent的用法示例。
在下文中一共展示了StaticContent.generate_thumbnail_name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: process_request
# 需要导入模块: from xmodule.contentstore.content import StaticContent [as 别名]
# 或者: from xmodule.contentstore.content.StaticContent import generate_thumbnail_name [as 别名]
def process_request(self, request):
if request.path.startswith('/' + XASSET_LOCATION_TAG + '/'):
if request.GET.get('width') or request.GET.get('height'):
# generate the requested thumbnail location
width = int(request.GET['width'])
path = request.path.split('/')
category = 'thumbnail'
name = os.path.splitext(path[5])
path[5] = "%s-w%d%s" % (name[0], width, name[1])
path[4] = category
path = '/'.join(path)
thumbnail_location = StaticContent.get_location_from_path(path) # calculate thumbnail 'location' in gridfs
try: # is it already created ?
thumbnail_content = contentstore().find(thumbnail_location, as_stream=True)
except NotFoundError:
# get original asset
asset_location = StaticContent.get_location_from_path(request.path)
try:
content = contentstore().find(asset_location, as_stream=True)
except NotFoundError:
return # if original asset do not exists, let the request pass by
# generate thumbnail
im = Image.open(StringIO.StringIO(content.copy_to_in_mem().data))
im = im.convert('RGB')
size = (width, width) # PIL is dumb, we shall use a better tool to generate smartly framed thumbnails
im.thumbnail(size, Image.ANTIALIAS)
thumbnail_file = StringIO.StringIO()
im.save(thumbnail_file, 'JPEG')
thumbnail_file.seek(0)
# store thumbnail in contentstore
thumbnail_name = StaticContent.generate_thumbnail_name(thumbnail_location.name)
thumbnail_content = StaticContentStream(thumbnail_location, thumbnail_name,
'image/jpeg', thumbnail_file)
contentstore().save(thumbnail_content.copy_to_in_mem())
# return found or generated tumbnail
response = HttpResponse(thumbnail_content.copy_to_in_mem().stream_data(), content_type=thumbnail_content.content_type)
return response
return super(ThumbnailStaticContentServer, self).process_request(request)