Open source the JAX SECGAN code.

PiperOrigin-RevId: 959585059

Author: mjanusz

ffn/secgan/__init__.py

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+# Copyright 2026 Google Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ==============================================================================

ffn/secgan/main.py

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+# Copyright 2026 Google Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ==============================================================================
+
+"""Main entry point for SECGAN training."""
+
+from collections.abc import Sequence
+
+from absl import app
+from absl import flags
+from connectomics.jax import training
+from ffn.secgan import train
+import jax
+
+FLAGS = flags.FLAGS
+
+training.define_training_flags()
+
+
+def main(argv: Sequence[str]) -> None:
+  if len(argv) > 1:
+    raise app.UsageError('Too many command-line arguments.')
+
+  # Disable space-to-batch XLA transform which crashes on small spatial dims.
+  if 'xla_tpu_run_space_to_batch' in flags.FLAGS:
+    flags.FLAGS.xla_tpu_run_space_to_batch = False
+  if 'xla_tpu_run_space_to_batch_on_new_platforms' in flags.FLAGS:
+    flags.FLAGS.xla_tpu_run_space_to_batch_on_new_platforms = False
+
+  training.prep_training()
+  train.train_and_evaluate(FLAGS.config, FLAGS.workdir)
+
+
+if __name__ == '__main__':
+  jax.config.config_with_absl()
+  app.run(main)