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[英]Python AttributeError: module 'requests' has no attribute 'get_price'
[英]Python AttributeError: 'str' object has no attribute 'get_price'
我试图从main.py接收用户输入,然后将输出调整为所说的用户输入。 我不仅收到此错误,而且似乎在我启动main.py时正在运行runAnalytics,而不是在按下按钮命令时才运行。
main.py
import runAnalytics
import tkinter
import os
import centerWindow
loadApplication = tkinter.Tk()
loadApplication.title("Stock Analytics")
loadApplication.geometry("1080x720")
label1 = tkinter.Label(loadApplication, text = "Ticker")
input1 = tkinter.Entry(loadApplication)
loadAnalytics = tkinter.Button(loadApplication, text = "Load Analytics", command = runAnalytics.run(input1))
centerWindow.center(loadApplication)
loadAnalytics.pack()
label1.pack()
input1.pack()
loadApplication.mainloop()
runAnalytics.py
from yahoo_finance import Share
import tkinter
import os
import centerWindow
def run(input1):
ticker = Share(input1)
loadAnalytics = tkinter.Tk()
loadAnalytics.title("$" + ticker + " Data")
loadAnalytics.geometry("1080x720")
print ("Price per share: " + ticker.get_price())
ticker.refresh()
print ("Price per share: " + ticker.get_price())
print("The dividend yield is: " + ticker.get_dividend_yield())
print("The 52 week low is: " + ticker.get_year_low())
print("The 52 week high is: " + ticker.get_year_high())
print("The volume is: " + ticker.get_volume())
print("The previous close was: " + ticker.get_prev_close())
print("The previous open was: " + ticker.get_open())
loadAnalytics.mainloop()
错误信息:
追溯(最近一次通话):文件“ C:\\ Users \\ MyName \\ Documents \\ Python Projects \\ MarketData \\ main.py”,第13行,在loadAnalytics = tkinter.Button(loadApplication,text =“ Load Analytics”,command = runAnalytics.run(input1))文件“ C:\\ Users \\ MyName \\ Documents \\ Python Projects \\ MarketData \\ runAnalytics.py”,第12行,运行打印(“每股价格:” + ticker.get_price())AttributeError: 'str'对象没有属性'get_price'
您假设runAnalytics
正在运行是正确的,因为将函数按您的方式绑定到按钮时会执行该函数。
根据effbot文档,您需要使用lambda
函数,以便将带有传递参数的函数绑定到按钮,如下所示:
import tkinter
def test_func(val):
print(type(val))
print(val)
share_id = val.get()
print(share_id)
loadApplication = tkinter.Tk()
loadApplication.title("Stock Analytics")
loadApplication.geometry("1080x720")
label1 = tkinter.Label(loadApplication, text = "Ticker")
input1 = tkinter.Entry(loadApplication)
loadAnalytics = tkinter.Button(loadApplication, text="Load Analytics", command=lambda: test_func(input1))
loadAnalytics.pack()
label1.pack()
input1.pack()
loadApplication.mainloop()
但是,还有第二件事要牢记:
input1 = tkinter.Entry(loadApplication)
创建一个名为input1
的Entry
小部件,然后将其传递给该函数。 问题是input1
不包含您在条目小部件中键入的字符串,而是包含对该小部件的引用(小部件ID)。 为了获取小部件的内容,您需要调用其.get()
方法,如我的代码片段所示。
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