Move jax.jaxpr_util to jax._src.jaxpr_util, and split it into a separate build target.

Change jaxpr_util_test to be a py_test(), since there's no point testing it on every hardware configuration.

PiperOrigin-RevId: 554861284

CHANGELOG.md

@@ -23,6 +23,7 @@ Remember to align the itemized text with the first line of an item within a list
     for details and for mechanisms to override the default.
   * The option `--jax_coordination_service` has been removed. It is now always
     `True`.
+  * `jax.jaxpr_util` has been removed from the public JAX namespace.
 
 ## jaxlib 0.4.15
 

jax/BUILD

@@ -197,6 +197,7 @@ py_library_providing_imports_info(
         ":dtypes",
         ":effects",
         ":environment_info",
+        ":jaxpr_util",
         ":lazy_loader",
         ":mesh",
         ":mlir",
@@ -401,6 +402,17 @@ pytype_strict_library(
     srcs = ["_src/lazy_loader.py"],
 )
 
+pytype_strict_library(
+    name = "jaxpr_util",
+    srcs = ["_src/jaxpr_util.py"],
+    deps = [
+        ":core",
+        ":source_info_util",
+        ":util",
+        "//jax/_src/lib",
+    ],
+)
+
 pytype_strict_library(
     name = "mesh",
     srcs = ["_src/mesh.py"],

tests/BUILD

@@ -266,9 +266,14 @@ py_test(
     ] + py_deps("tensorflow_core"),
 )
 
-jax_test(
+py_test(
     name = "jaxpr_util_test",
     srcs = ["jaxpr_util_test.py"],
+    deps = [
+        "//jax",
+        "//jax:jaxpr_util",
+        "//jax:test_util",
+    ],
 )
 
 jax_test(

tests/jaxpr_util_test.py

@@ -12,14 +12,15 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from absl.testing import absltest
-
 import os
 import gzip
 import json
 
+from absl.testing import absltest
+
 import jax
-from jax import jaxpr_util, jit, make_jaxpr, numpy as jnp
+from jax import jit, make_jaxpr, numpy as jnp
+from jax._src import jaxpr_util
 from jax._src.lib import xla_client
 from jax._src import test_util as jtu
 from jax import config