In Javascript, one might write
var ids = ['item0', 'item1', 'item2', 'item3']; // variable lengthfunction click_callback(number, event){ console.log('this is: ', number);}for (var k = 0; k < ids.length; k += 1){ document.getElementById(ids[k]).onclick = click_callback.bind(null, k);}So I can pass to the callback function the value of k at the time it is registered even though it has changed by the time the function is called.
Does Python have a way to do something equivalent?
The specific situation is this (but I prefer a general answer):
I have a variable number of matplotlib plots (one for each coordinate). Each has a SpanSelector, which was for some reason designed to only pass the two limit points to the callback function. However, they all have the same callback function. So I have:
def span_selected(min, max):but I need
def span_selected(which_coordinate, min, max):At the time of registering the callback, I of course know the coordinate, but I need to know it when the function is called. In Javascript, I would do something like
callback = span_selected.bind(null, coordinate)What would I do in Python?
