File: pytree_hacks.py

package info (click to toggle)
pytorch 1.13.1%2Bdfsg-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 139,252 kB
  • sloc: cpp: 1,100,274; python: 706,454; ansic: 83,052; asm: 7,618; java: 3,273; sh: 2,841; javascript: 612; makefile: 323; xml: 269; ruby: 185; yacc: 144; objc: 68; lex: 44
file content (24 lines) | stat: -rw-r--r-- 612 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
# Copyright (c) Facebook, Inc. and its affiliates.
# All rights reserved.
#
# This source code is licensed under the BSD-style license found in the
# LICENSE file in the root directory of this source tree.

from torch.utils._pytree import tree_flatten, tree_unflatten


def tree_map_(fn_, pytree):
    flat_args, _ = tree_flatten(pytree)
    [fn_(arg) for arg in flat_args]
    return pytree


class PlaceHolder():
    def __repr__(self):
        return '*'


def treespec_pprint(spec):
    leafs = [PlaceHolder() for _ in range(spec.num_leaves)]
    result = tree_unflatten(leafs, spec)
    return repr(result)