How to call a function within class?

python class function call
Steven picture Steven · Apr 11, 2011 · Viewed 446.2k times · Source

I have this code which calculates the distance between two coordinates. The two functions are both within the same class.

However how do I call the function distToPoint in the function isNear?

class Coordinates:
    def distToPoint(self, p):
        """
        Use pythagoras to find distance
        (a^2 = b^2 + c^2)
        """
        ...

    def isNear(self, p):
        distToPoint(self, p)
        ...

Answer

Jeff Mercado picture Jeff Mercado · Apr 11, 2011

Since these are member functions, call it as a member function on the instance, self.

def isNear(self, p):
    self.distToPoint(p)
    ...

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