from pymouse import PyMouseEvent def fibo(): a = 0 yield a b = 1 yield b while True: a, b = b, a+b yield b class Clickonacci(PyMouseEvent): def __init__(self): PyMouseEvent.__init__(self) self.fibo = fibo() def click(self, x, y, button, press): '''Print Fibonacci ...
open('mydata') >>> type(shelfFile) <class 'shelve.DbfilenameShelf'> >>> shelfFile['cats'] ['Zophie', 'Pooka', 'Simon'] >>> shelfFile.close() 在这里,我们打开架子文件来检查我们的数据是否被正确存储。输入shelfFile['cats']返回我们之前存储的相同列表,因此我们知道列表被正确存储,我们调用...
print(dir(input)) # ['__call__', '__class__', '__delattr__', '__dir__', '__doc__', '__eq__', '__format__', '__ge__', '__getattribute__', # '__getstate__', '__gt__', '__hash__', '__init__', '__init_subclass__', '__le__', '__lt__', '_...
from dataclasses import dataclass # 传统类定义 class TraditionalClass: def __init__(self, name, age): self.name = name self.age = age # Dataclass定义 @dataclass class DataClass: name: str age: int # 测试代码片段 traditional_class_setup = ''' tc = TraditionalClass("Alice", 30) ''...
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classId = li.xpath('input[@name="classId"]/@value').get() courseName = li.css('.courseName::text').get()print(courseId, classId, courseName) 运行后,发现没有输出 然后通过查看源码,发现其在iframe里,然后发现其那里有个url,通过访问,发现就是课程列表页面 ...
classEntryForm(forms.ModelForm):classMeta: model = Entry fields = ['text'] labels = {'text':''} widgets = {'text': forms.Textarea(attrs={'cols':80})} 其中设置属性widgets可以覆盖Django选择的默认小部件。这里让Django使用forms.Textarea,定制来字段'text'的输入小部件,将文本区域的宽度设置为80...
Then we create a button using thettk.Buttonclass with the parent window and text as arguments. Again, we usegrid()to place the button on the parent window, on the same row as theEntrybut now in column1. Finally, we create attk.Labelwidget using a parent window and text as arguments....
class MyGUI: def __init__(self, init_root): self.init_root = init_root def init_window(self, width, height): screen_width = self.init_root.winfo_screenwidth() # 获取屏幕宽度 screen_height = self.init_root.winfo_screenheight() - 50 # 获取屏幕(减去任务栏)高度 ...
Let’s start with the first one. We could tack on an assertion to an existing test, but it’s best to keep unit tests to testing one thing at a time, so let’s add a new one: lists/tests.py. class HomePageTest(TestCase): [...] def test_home_page_only_saves_items_when_nece...