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試圖填寫表單以獲得城市中商品的平均價格。機械化:TypeError:'NoneType'對象不支持項目分配
basket = br.open('http://www.numbeo.com/cost-of-living/')
read_it = basket.read()
# Select form
for form in br.forms():
print '%r %r %s' % (form.name, form.attrs.get('id'), form.action)
for control in form.controls:
print ' ', control.type, control.name, repr(control.value)
br.form['menu_dispatch_form'] = 'Washington, DC, United States'
br.submit()
我得到這個錯誤:
Traceback (most recent call last):
File "Trip cost calculator/trip costs calculator.py", line 50, in <module>
br.form['menu_dispatch_form'] = 'Washington, DC, United States'
TypeError: 'NoneType' object does not support item assignment
有沒有形式的名字,但我想我可以用表格ID而不是。我發現這個website這是有幫助的,但不像他們的例子,我沒有任何text
投入br.form[]
。任何人都知道發生了什麼事?