How to accept only numeric input (double) in kivy

Question

I want my Textinput to accept only float input directly from python code. Here is what I have attempted:

TextInput(hint_text='Kgs', input_filter = float, multiline=False, write_tab=False)

But it gives the following error:

 TypeError: float expected at most 1 arguments, got 2

The following works in kv files:

TextInput:
  id: password
  input_filter: 'int' #For accepting ints

What is the correct way of doing in python file?

Mark · Accepted Answer · 2020-11-27 15:22:22Z

2

the argument is a string so I think you should try this.

TextInput(hint_text='Kgs', input_filter = 'float', multiline=False, write_tab=False)

answered Nov 27, 2020 at 15:22

Mark

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Comments

Ali Ganjbakhsh · Accepted Answer · 2023-11-14 12:24:36Z

0

In .kv file, we act like this:

TextInput:
        id:cal_input
        text:"0"
        halign: "right"
        font_size:65
        size_hint:(1,0.15)
        hint_text:'Only Numbers'
        input_filter : 'float'
        multiline:False
        write_tab:False

answered Nov 14, 2023 at 12:24

Ali Ganjbakhsh

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