image = rbd.Image(ioctx, 'myimage') data = 'foo' * 200 image.write(data, 0) Copy 这会将"foo"写入镜像的前 600 字节。请注意,数据不能是:type:unicode-librbd不知道如何处理比:c:type:char更宽的字符。 关闭镜像、IO 上下文和与 RADOS 的连接: image.close() ioctx.close() cluster.shutdown...
open_ioctx('my_pool') try: rbd_inst = rbd.RBD() size = 4 * 1024**3 # 4 GiB rbd_inst.create(ioctx, 'myimage', size) image = rbd.Image(ioctx, 'myimage') try: data = b'foo' * 200 image.write(data, 0) finally: image.close() finally: ioctx.close() finally: cluster....
image = rbd.Image(ioctx, 'myimage') data = 'foo' * 200 image.write(data, 0) 这会将foo写入映像的前 600 个字节。 请注意,数据不能是:type:unicode-librbd不知道如何处理比:c:type:char更宽的字符。 关闭映像, IO 上下文和与 RADOS 的连接: image.close() ioctx.close() cluster.shutdown() ...
self.root.geometry('%dx%d'%(450,250))self.page=Frame(self.root)self.Dir=StringVar()self.Port=StringVar()self.path=StringVar()self.dir_info=StringVar()self.create_page()defcreate_page(self):self.page.grid()withopen('tmp.gif','wb+')asf:f.write(base64.b64decode(img_bs64))self.photo=...
image = rbd.Image(ioctx, 'myimage') try: data = 'foo' * 200 image.write(data, 0) finally: image.close() finally: ioctx.close() finally: cluster.shutdown() This can be cumbersome, so theRados,Ioctx, andImageclasses can be used as context managers that close or shut down automatic...
image_data =awaitresponse.bytes() img = Image.open(BytesIO(image_data)) img_widht = img.size[0] img_height = img.size[1] scale_width =0.3# 0.75scale_height =0.1# 0.5img = img.resize((int(img_widht*scale_width),int(img_height*scale_height)), Image.NEAREST) ...
_tkinter.TclError: couldn’t recognize data in image file 关于base64 大家看到我没有加载图片,而是通过base64提前转码好二进制文件后,再进行导入,这样我们打包的exe在使用时,就无需附带一个图片文件了! import base64with open('demo.gif','rb') as f:data = f.read()img = base64.b64encode(data) ...
_tkinter.TclError: couldn’t recognize data in image file 2 .关于base64 大家看到我没有加载图片,而是通过base64提前转码好二进制文件后,再进行导入,这样我们打包的exe在使用时,就无需附带一个图片文件了! 1importbase6423withopen('清风Python.gif','rb')asf:4data=f.read()5img=base64.b64encode(data...
_tkinter.TclError: couldn’t recognize data in image file 关于base64 大家看到我没有加载图片,而是通过base64提前转码好二进制文件后,再进行导入,这样我们打包的exe在使用时,就无需附带一个图片文件了! 1import base6423with open('demo.gif','rb')asf:4data =f.read()5img = base64.b64encode(data)...
remove_rbd_volumes(pool, *volumes) def _cleanup_lvm(self, instance): """Delete all LVM disks for given instance object.""" disks = self._lvm_disks(instance) if disks: libvirt_utils.remove_logical_volumes(*disks) @staticmethod def _get_disk_xml(xml, device): """Returns the xml for ...