Observe is not recursive?

[davidbrochart]

Consider the following code, where ydoc has a YMap, which has a YArray in "array":

import y_py as Y

ydoc = Y.YDoc()
ymap = ydoc.get_map("map")
yarray = Y.YArray()

with ydoc.begin_transaction() as t:
    ymap.set(t, "array", yarray)

def callback(event):
    print(event.target)

ymap.observe(callback)
print("Changes:")
with ydoc.begin_transaction() as t:
    ymap["array"].push(t, [0])

ymap["array"].observe(callback)
print("Changes:")
with ydoc.begin_transaction() as t:
    ymap["array"].push(t, [1])

The output is:

Changes:
Changes:
[0.0, 1.0]

Meaning that observing only the top-level YMap doesn't trigger the callback if the YArray is changed.
I think we should have an option to enable that, e.g. ymap.observe(callback, recursive=True). What do you think?

[Horusiath]

In yrs there's a method called observe_deep/unobserve_deep, but I think it's not yet exposed in Ypy.