Python Version History What is Python Programming Language? Advantages and Disadvantages of Python Python Data Types Python Arrays – The Complete Guide Strings in Python Python Numbers – Learn How to Create Prime Numbers, Perfect Numbers, and Reverse Numbers in Python ...
在原始字符串(raw strings)中所有反斜线都按字面量解释,不再特殊处理Unicode转义字符。 PEP3112:bytes字面量,例如b"abc",创建bytes实例。 PEP3120:默认源文件编码为UTF-8 PEP3131:可以使用非ASCII标识符(然而,除了注释中贡献者的名字之外,标准库仍然只包含ASCII) PEP3116:新的IO实现,API几乎100%向后兼容,二进制...
name)raisepickle.UnpicklingError("global '%s.%s' is forbidden"% (module, name))defrestricted_loads(s):"""Helper function analogous to pickle.loads()."""returnRestrictedUnpickler(io.BytesIO(s)).load()@app.route('/')@app.route
top,bottom,left,right=location['y'],location['y']+size['height'],location['x'],location['x']+size['width']return(top,bottom,left,right,size)defget_screenshot(self):"""获取网页截图:return:截图对象""" screenshot=self.browser.get_screenshot_as_png()screenshot=Image.open(BytesIO(screen...
这篇文章主要介绍了相比于python2.6,python3.0的新特性。更详细的介绍请参见python3.0的文档。 Common Stumbling Blocks 本段简单的列出容易使人出错的变动。 print语句被print()函数取代了,可以使用关键字参数来替代老的print特殊语法。例如: Old: print "The answer is", 2*2 ...
Addresses ENH-000141984 with additional information in the parameter table descriptions for user_type and level ContentManager import_data() Adds service_name parameter to control resulting service name add() Adds Developer Summit Customer Request support for BytesIO and StringIO objects through ...
is that any attempt to mix text and data in Python 3.0 raises TypeError, whereas if you were to mix Unicode and 8-bit strings in Python 2.x, it would work if the 8-bit string happened to contain only 7-bit (ASCII) bytes, but you would get UnicodeDecodeError if it contained non-...
screenshot=Image.open(BytesIO(screenshot))returnscreenshotdefget_slider(self):"""获取滑块 :return: 滑块对象"""slider= self.wait.until(EC.element_to_be_clickable((By.CLASS_NAME,'geetest_slider_button')))returnsliderdefget_geetest_image(self, flag, name='captcha.png'):"""获取验证码图片 ...
Addresses ENH-000141984 with additional information in the parameter table descriptions for user_type and level ContentManager import_data() Adds service_name parameter to control resulting service name add() Adds Developer Summit Customer Request support for BytesIO and StringIO objects through ...
2: 在命令行中 输入 python xxx.py image_name OK !!! 指定的 镜像就已经可以下载到本地了,就是这么简单 特别注意: 不确定要下载哪个镜像的话, 可参考https://www.docker.com/products/docker-hub 源码如下(可直接复制,保存成py文件): importosimportsysimportgzipfromioimportBytesIOimportjsonimporthashlibimp...