fix: refactor bigtable package to api folder (#14)

moved bigtable to tfensorflow_io.python.api

Author: kboroszko

docs/tutorials/bigtable.ipynb

@@ -233,7 +233,7 @@
       "source": [
         "import tensorflow as tf\n",
         "import numpy as np\n",
-        "import tensorflow_io.bigtable as bt\n",
+        "import tensorflow_io as tfio\n",
         "import random\n",
         "\n",
         "random.seed(10)"
@@ -268,7 +268,7 @@
         "# If using your bigtable instance replace the project_id, instance_id \n",
         "# and the name of the table with suitable values.\n",
         "\n",
-        "client = bt.BigtableClient(project_id=\"test-project\", instance_id=\"test-instance\")\n",
+        "client = tfio.bigtable.BigtableClient(project_id=\"test-project\", instance_id=\"test-instance\")\n",
         "train_table = client.get_table(\"t1\")"
       ]
     },
@@ -298,7 +298,7 @@
       },
       "outputs": [],
       "source": [
-        "row_set = bt.row_set.from_rows_or_ranges(bt.row_range.infinite())\n",
+        "row_set = tfio.bigtable.row_set.from_rows_or_ranges(tfio.bigtable.row_range.infinite())\n",
         "\n",
         "train_dataset = train_table.read_rows([\"cf1:c1\"],row_set, output_type=tf.string)\n",
         "\n",
@@ -364,9 +364,9 @@
       },
       "outputs": [],
       "source": [
-        "row_range_below_300 = bt.row_range.right_open(\"row000\", \"row300\")\n",
+        "row_range_below_300 = tfio.bigtable.row_range.right_open(\"row000\", \"row300\")\n",
         "\n",
-        "my_row_set = bt.row_set.from_rows_or_ranges(row_range_below_300, \"row585\", \"row832\")\n",
+        "my_row_set = tfio.bigtable.row_set.from_rows_or_ranges(row_range_below_300, \"row585\", \"row832\")\n",
         "print(my_row_set)"
       ]
     },
@@ -390,8 +390,8 @@
       },
       "outputs": [],
       "source": [
-        "my_truncated_row_set = bt.row_set.intersect(my_row_set,\n",
-        "                                         bt.row_range.right_open(\"row200\", \"row700\"))\n",
+        "my_truncated_row_set = tfio.bigtable.row_set.intersect(my_row_set,\n",
+        "                                         tfio.bigtable.row_range.right_open(\"row200\", \"row700\"))\n",
         "print(my_truncated_row_set)"
       ]
     },
@@ -426,8 +426,8 @@
         "\n",
         "start = datetime(2020, 10, 10, 12, 0, 0)\n",
         "end = datetime(2100, 10, 10, 13, 0, 0)\n",
-        "from_datetime = bt.filters.timestamp_range(start, end)\n",
-        "from_posix_timestamp = bt.filters.timestamp_range(int(start.timestamp()), int(end.timestamp()))\n",
+        "from_datetime = tfio.bigtable.filters.timestamp_range(start, end)\n",
+        "from_posix_timestamp = tfio.bigtable.filters.timestamp_range(int(start.timestamp()), int(end.timestamp()))\n",
         "print(\"from_datetime:\", from_datetime)\n",
         "\n",
         "print(\"from_posix_timestamp:\", from_posix_timestamp)"

tensorflow_io/python/api/__init__.py

@@ -1,4 +1,4 @@
-# Copyright 2018 The TensorFlow Authors. All Rights Reserved.
+# Copyright 2021 The TensorFlow Authors. All Rights Reserved.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -24,6 +24,7 @@
 from tensorflow_io.python.api import audio
 from tensorflow_io.python.api import version
 from tensorflow_io.python.api import experimental
+from tensorflow_io.python.api import bigtable
 
 if os.environ.get("GENERATING_TF_DOCS", ""):
     # Mark these as public api for /tools/docs/build_docs.py

tensorflow_io/bigtable.py renamed to tensorflow_io/python/api/bigtable.py

@@ -12,33 +12,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 # ==============================================================================
-"""Cloud Bigtable Client for TensorFlow.
+"""tensorflow_io.bigtable"""
 
-This package allows TensorFlow to interface directly with Cloud Bigtable
-for high-speed data loading.
-
-@@BigtableClient
-@@BigtableTable
-@@RowRange
-@@RowSet
-
-
-"""
-
-
-from tensorflow.python.util.all_util import remove_undocumented
 from tensorflow_io.python.ops.bigtable.bigtable_dataset_ops import BigtableClient
 from tensorflow_io.python.ops.bigtable.bigtable_dataset_ops import BigtableTable
 import tensorflow_io.python.ops.bigtable.bigtable_version_filters as filters
 import tensorflow_io.python.ops.bigtable.bigtable_row_set as row_set
 import tensorflow_io.python.ops.bigtable.bigtable_row_range as row_range
-
-_allowed_symbols = [
-    "BigtableClient",
-    "BigtableTable",
-    "filters",
-    "row_set",
-    "row_range",
-]
-
-remove_undocumented(__name__, _allowed_symbols)