Skip to content

EditDistanceLayer, move checks to __init__ #611

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
albertz merged 1 commit into from
Sep 2, 2021
Merged

EditDistanceLayer, move checks to __init__ #611

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
12 changes: 5 additions & 7 deletions returnn/tf/layers/rec.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -6574,11 +6574,15 @@ def __init__(self, debug=False, blank_idx=None, **kwargs):
super(EditDistanceTableLayer, self).__init__(**kwargs)
assert len(self.sources) == 1, "%s: expects exactly a single source" % self
source_data = self.sources[0].output
assert source_data.dtype == "int32" and source_data.batch_ndim <= 2
assert source_data.dtype == "int32" and source_data.batch_ndim <= 2 and source_data.sparse
assert self.target, "%s: 'target' must be set" % self
target_data = self._get_target_value()
assert target_data, "%s: target %r not found?" % (self, self.target)
assert target_data.dtype == "int32" and target_data.batch_ndim == 2 and target_data.have_time_axis()
dim = target_data.dim
if blank_idx is not None:
dim = max(dim, blank_idx + 1)
assert target_data.sparse and source_data.dim == dim
target_data = target_data.copy_as_batch_major()
self._target_data = target_data
if source_data.have_time_axis():
Expand Down Expand Up @@ -6683,15 +6687,9 @@ def get_out_data_from_opts(cls, name, sources, target, network, _target_layers=N
"""
assert len(sources) == 1, "%s %r: expects exactly a single source" % (cls.__name__, name)
source_data = sources[0].output
assert source_data.dtype == "int32" and source_data.batch_ndim <= 2 and source_data.sparse
assert target, "%s %r: 'target' must be set" % (cls.__name__, name)
target_data = cls._static_get_target_value(target=target, _target_layers=_target_layers, network=network)
assert target_data, "target %r not found?" % target
assert target_data.dtype == "int32" and target_data.batch_ndim == 2 and target_data.have_time_axis()
dim = target_data.dim
if blank_idx is not None:
dim = max(dim, blank_idx + 1)
assert target_data.sparse and source_data.dim == dim
seq_len = tf_util.new_seq_len(
func=tf_util.simplify_add, key=tf_util.simplify_add,
dim_tag_desc="edit_dist_table:%s" % name,
Expand Down