tbdev turndown: Remove dataframe api. (#6644)

Remove the experimental API that generates pandas data frames from
TensorBoard.dev data. We are turning down TensorBoard.dev.

Author: bmd3k

tensorboard/BUILD

@@ -89,7 +89,6 @@ py_library(
         ":lib_init_only",
         ":notebook",
         ":program",
-        "//tensorboard/data:lib_init_only",
         "//tensorboard/summary",
         "//tensorboard/summary:summary_v1",
         "//tensorboard/summary:summary_v2",

tensorboard/__init__.py

@@ -71,13 +71,6 @@
 # additional discussion.
 
 
-@_lazy.lazy_load("tensorboard.data")
-def data():
-    import importlib
-
-    return importlib.import_module("tensorboard.data")
-
-
 @_lazy.lazy_load("tensorboard.errors")
 def errors():
     import importlib

tensorboard/data/BUILD

@@ -8,16 +8,6 @@ package(default_visibility = ["//tensorboard:internal"])
 
 licenses(["notice"])
 
-py_library(
-    name = "lib_init_only",
-    srcs = ["__init__.py"],
-    srcs_version = "PY3",
-    visibility = ["//tensorboard:internal"],
-    deps = [
-        "//tensorboard/data/experimental:lib_init_only",
-    ],
-)
-
 py_library(
     name = "provider",
     srcs = ["provider.py"],

tensorboard/data/__init__.py

@@ -12,6 +12,3 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 # ==============================================================================
-
-
-from tensorboard.data import experimental  # noqa: F401

tensorboard/data/experimental/BUILD

@@ -1,78 +1,7 @@
-# Description:
-# Experiment Data Access API.
-load("@rules_python//python:py_binary.bzl", "py_binary")
-load("@rules_python//python:py_library.bzl", "py_library")
-load("@rules_python//python:py_test.bzl", "py_test")
-
+# This is a stub BUILD file that remains after the deletion of the experimental
+# data frame API. We keep it (temporarily) to allow copybara imports to succeed.
 package(default_visibility = ["//tensorboard:internal"])
 
 licenses(["notice"])
 
 exports_files(["LICENSE"])
-
-py_library(
-    name = "base_experiment",
-    srcs = ["base_experiment.py"],
-    srcs_version = "PY3",
-)
-
-py_library(
-    name = "experiment_from_dev",
-    srcs = ["experiment_from_dev.py"],
-    srcs_version = "PY3",
-    deps = [
-        ":base_experiment",
-        ":utils",
-        "//tensorboard:expect_grpc_installed",
-        "//tensorboard:expect_pandas_installed",
-        "//tensorboard/uploader:auth",
-        "//tensorboard/uploader:server_info",
-        "//tensorboard/uploader:util",
-        "//tensorboard/uploader/proto:protos_all_py_pb2",
-        "//tensorboard/uploader/proto:protos_all_py_pb2_grpc",
-        "//tensorboard/util:grpc_util",
-    ],
-)
-
-py_test(
-    name = "experiment_from_dev_test",
-    srcs = ["experiment_from_dev_test.py"],
-    srcs_version = "PY3",
-    deps = [
-        ":experiment_from_dev",
-        "//tensorboard:expect_numpy_installed",
-        "//tensorboard:expect_pandas_installed",
-        "//tensorboard:test",
-        "//tensorboard/compat/proto:protos_all_py_pb2",
-        "//tensorboard/uploader:test_util",
-        "//tensorboard/uploader/proto:protos_all_py_pb2",
-        "//tensorboard/util:grpc_util",
-    ],
-)
-
-py_library(
-    name = "lib_init_only",
-    srcs = ["__init__.py"],
-    srcs_version = "PY3",
-    visibility = ["//tensorboard:internal"],
-    deps = [
-        ":experiment_from_dev",
-    ],
-)
-
-py_binary(
-    name = "test_binary",
-    srcs = ["test_binary.py"],
-    srcs_version = "PY3",
-    deps = ["//tensorboard/data/experimental:experiment_from_dev"],
-)
-
-py_library(
-    name = "utils",
-    srcs = ["utils.py"],
-    srcs_version = "PY3",
-    visibility = ["//tensorboard:internal"],
-    deps = [
-        "//tensorboard:expect_numpy_installed",
-    ],
-)