why field float value get not zero?

Question

Hi,
I want price_lop field that have a null value, get value from another field.   also accept the value of zero.

product_price = fields.Float( 'Price' , related = 'product.lst_price' , readonly = True )
price_lop = fields.Float( string = 'Lop Price' )
@api.multi            def   default_price ( self ):           if   not   self .price_lop :               self .price_lop =  self .product_price               return   self .price_lop
But not accept the value of zero.
How to solve the problem?
ple

Prakash · Accepted Answer

In Odoo Integer/Float Data type default value always zero.
If float in that case check
if float_value == 0:     (equal to 0)
if float_value != 0:     (not equal to 0)
if float_value > 0:  (greater than)
if float_value < 0:  (less than)

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