[Python] Flatten complex directory structure in Python

I want to move files from a complex directory structure to just one place. For example i have this deep hierarchy:

foo/
foo2/
1.jpg
2.jpg
...


I want it to be:

1.jpg
2.jpg
...


My current solution:

def move(destination):
for_removal = os.path.join(destination, '\\')
is_in_parent = lambda x: x.find(for_removal) > -1
with directory(destination):
files_to_move = filter(is_in_parent,
glob_recursive(path='.'))
for file in files_to_move:
shutil.move(file, destination)


Definitions: directory and glob_recursive. Note, that my code only moves files to their common parent directory, not an arbitrary destination.

How can i move all files from a complex hierarchy to a single place succinctly and elegantly?

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