chore(docs): include imports in snippets (#1027)

* chore(docs): added imports into snippets

* simplify print regions

samples/snippets/deletes/deletes_snippets.py

@@ -14,14 +14,11 @@
 # limitations under the License.
 
 
-from google.cloud import bigtable
-
-# Write your code here.
-
-
 # [START bigtable_delete_from_column]
 def delete_from_column(project_id, instance_id, table_id):
-    client = bigtable.Client(project=project_id, admin=True)
+    from google.cloud.bigtable import Client
+
+    client = Client(project=project_id, admin=True)
     instance = client.instance(instance_id)
     table = instance.table(table_id)
     row = table.row("phone#4c410523#20190501")
@@ -33,7 +30,9 @@ def delete_from_column(project_id, instance_id, table_id):
 
 # [START bigtable_delete_from_column_family]
 def delete_from_column_family(project_id, instance_id, table_id):
-    client = bigtable.Client(project=project_id, admin=True)
+    from google.cloud.bigtable import Client
+
+    client = Client(project=project_id, admin=True)
     instance = client.instance(instance_id)
     table = instance.table(table_id)
     row = table.row("phone#4c410523#20190501")
@@ -46,7 +45,9 @@ def delete_from_column_family(project_id, instance_id, table_id):
 
 # [START bigtable_delete_from_row]
 def delete_from_row(project_id, instance_id, table_id):
-    client = bigtable.Client(project=project_id, admin=True)
+    from google.cloud.bigtable import Client
+
+    client = Client(project=project_id, admin=True)
     instance = client.instance(instance_id)
     table = instance.table(table_id)
     row = table.row("phone#4c410523#20190501")
@@ -58,7 +59,9 @@ def delete_from_row(project_id, instance_id, table_id):
 
 # [START bigtable_streaming_and_batching]
 def streaming_and_batching(project_id, instance_id, table_id):
-    client = bigtable.Client(project=project_id, admin=True)
+    from google.cloud.bigtable import Client
+
+    client = Client(project=project_id, admin=True)
     instance = client.instance(instance_id)
     table = instance.table(table_id)
     batcher = table.mutations_batcher(flush_count=2)
@@ -74,7 +77,9 @@ def streaming_and_batching(project_id, instance_id, table_id):
 
 # [START bigtable_check_and_mutate]
 def check_and_mutate(project_id, instance_id, table_id):
-    client = bigtable.Client(project=project_id, admin=True)
+    from google.cloud.bigtable import Client
+
+    client = Client(project=project_id, admin=True)
     instance = client.instance(instance_id)
     table = instance.table(table_id)
     row = table.row("phone#4c410523#20190501")
@@ -88,7 +93,9 @@ def check_and_mutate(project_id, instance_id, table_id):
 
 # [START bigtable_drop_row_range]
 def drop_row_range(project_id, instance_id, table_id):
-    client = bigtable.Client(project=project_id, admin=True)
+    from google.cloud.bigtable import Client
+
+    client = Client(project=project_id, admin=True)
     instance = client.instance(instance_id)
     table = instance.table(table_id)
     row_key_prefix = "phone#4c410523"
@@ -99,7 +106,9 @@ def drop_row_range(project_id, instance_id, table_id):
 
 # [START bigtable_delete_column_family]
 def delete_column_family(project_id, instance_id, table_id):
-    client = bigtable.Client(project=project_id, admin=True)
+    from google.cloud.bigtable import Client
+
+    client = Client(project=project_id, admin=True)
     instance = client.instance(instance_id)
     table = instance.table(table_id)
     column_family_id = "stats_summary"
@@ -111,7 +120,9 @@ def delete_column_family(project_id, instance_id, table_id):
 
 # [START bigtable_delete_table]
 def delete_table(project_id, instance_id, table_id):
-    client = bigtable.Client(project=project_id, admin=True)
+    from google.cloud.bigtable import Client
+
+    client = Client(project=project_id, admin=True)
     instance = client.instance(instance_id)
     table = instance.table(table_id)
     table.delete()

samples/snippets/deletes/deletes_snippets_async.py

@@ -14,22 +14,11 @@
 # limitations under the License.
 
 
-from google.cloud.bigtable.data import (
-    BigtableDataClientAsync,
-    DeleteRangeFromColumn,
-    DeleteAllFromFamily,
-    DeleteAllFromRow,
-    RowMutationEntry,
-    row_filters,
-    ReadRowsQuery,
-)
-
-
-# Write your code here.
-
-
 # [START bigtable_delete_from_column_asyncio]
 async def delete_from_column(project_id, instance_id, table_id):
+    from google.cloud.bigtable.data import BigtableDataClientAsync
+    from google.cloud.bigtable.data import DeleteRangeFromColumn
+
     client = BigtableDataClientAsync(project=project_id)
     table = client.get_table(instance_id, table_id)
 
@@ -46,6 +35,9 @@ async def delete_from_column(project_id, instance_id, table_id):
 
 # [START bigtable_delete_from_column_family_asyncio]
 async def delete_from_column_family(project_id, instance_id, table_id):
+    from google.cloud.bigtable.data import BigtableDataClientAsync
+    from google.cloud.bigtable.data import DeleteAllFromFamily
+
     client = BigtableDataClientAsync(project=project_id)
     table = client.get_table(instance_id, table_id)
 
@@ -60,6 +52,9 @@ async def delete_from_column_family(project_id, instance_id, table_id):
 
 # [START bigtable_delete_from_row_asyncio]
 async def delete_from_row(project_id, instance_id, table_id):
+    from google.cloud.bigtable.data import BigtableDataClientAsync
+    from google.cloud.bigtable.data import DeleteAllFromRow
+
     client = BigtableDataClientAsync(project=project_id)
     table = client.get_table(instance_id, table_id)
 
@@ -73,6 +68,11 @@ async def delete_from_row(project_id, instance_id, table_id):
 
 # [START bigtable_streaming_and_batching_asyncio]
 async def streaming_and_batching(project_id, instance_id, table_id):
+    from google.cloud.bigtable.data import BigtableDataClientAsync
+    from google.cloud.bigtable.data import DeleteRangeFromColumn
+    from google.cloud.bigtable.data import RowMutationEntry
+    from google.cloud.bigtable.data import ReadRowsQuery
+
     client = BigtableDataClientAsync(project=project_id)
     table = client.get_table(instance_id, table_id)
 
@@ -95,12 +95,16 @@ async def streaming_and_batching(project_id, instance_id, table_id):
 
 # [START bigtable_check_and_mutate_asyncio]
 async def check_and_mutate(project_id, instance_id, table_id):
+    from google.cloud.bigtable.data import BigtableDataClientAsync
+    from google.cloud.bigtable.data import DeleteRangeFromColumn
+    from google.cloud.bigtable.data.row_filters import LiteralValueFilter
+
     client = BigtableDataClientAsync(project=project_id)
     table = client.get_table(instance_id, table_id)
 
     await table.check_and_mutate_row(
         "phone#4c410523#20190501",
-        predicate=row_filters.LiteralValueFilter("PQ2A.190405.003"),
+        predicate=LiteralValueFilter("PQ2A.190405.003"),
         true_case_mutations=DeleteRangeFromColumn(
             family="cell_plan", qualifier=b"data_plan_01gb"
         ),

samples/snippets/filters/filter_snippets.py

@@ -13,18 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# [START bigtable_filters_print]
-import datetime
-
-from google.cloud import bigtable
-import google.cloud.bigtable.row_filters as row_filters
-
-# Write your code here.
-# [START_EXCLUDE]
-
 
 # [START bigtable_filters_limit_row_sample]
 def filter_limit_row_sample(project_id, instance_id, table_id):
+    from google.cloud import bigtable
+    from google.cloud.bigtable import row_filters
+
     client = bigtable.Client(project=project_id, admin=True)
     instance = client.instance(instance_id)
     table = instance.table(table_id)
@@ -37,6 +31,9 @@ def filter_limit_row_sample(project_id, instance_id, table_id):
 # [END bigtable_filters_limit_row_sample]
 # [START bigtable_filters_limit_row_regex]
 def filter_limit_row_regex(project_id, instance_id, table_id):
+    from google.cloud import bigtable
+    from google.cloud.bigtable import row_filters
+
     client = bigtable.Client(project=project_id, admin=True)
     instance = client.instance(instance_id)
     table = instance.table(table_id)
@@ -51,6 +48,9 @@ def filter_limit_row_regex(project_id, instance_id, table_id):
 # [END bigtable_filters_limit_row_regex]
 # [START bigtable_filters_limit_cells_per_col]
 def filter_limit_cells_per_col(project_id, instance_id, table_id):
+    from google.cloud import bigtable
+    from google.cloud.bigtable import row_filters
+
     client = bigtable.Client(project=project_id, admin=True)
     instance = client.instance(instance_id)
     table = instance.table(table_id)
@@ -63,6 +63,9 @@ def filter_limit_cells_per_col(project_id, instance_id, table_id):
 # [END bigtable_filters_limit_cells_per_col]
 # [START bigtable_filters_limit_cells_per_row]
 def filter_limit_cells_per_row(project_id, instance_id, table_id):
+    from google.cloud import bigtable
+    from google.cloud.bigtable import row_filters
+
     client = bigtable.Client(project=project_id, admin=True)
     instance = client.instance(instance_id)
     table = instance.table(table_id)
@@ -75,6 +78,9 @@ def filter_limit_cells_per_row(project_id, instance_id, table_id):
 # [END bigtable_filters_limit_cells_per_row]
 # [START bigtable_filters_limit_cells_per_row_offset]
 def filter_limit_cells_per_row_offset(project_id, instance_id, table_id):
+    from google.cloud import bigtable
+    from google.cloud.bigtable import row_filters
+
     client = bigtable.Client(project=project_id, admin=True)
     instance = client.instance(instance_id)
     table = instance.table(table_id)
@@ -87,6 +93,9 @@ def filter_limit_cells_per_row_offset(project_id, instance_id, table_id):
 # [END bigtable_filters_limit_cells_per_row_offset]
 # [START bigtable_filters_limit_col_family_regex]
 def filter_limit_col_family_regex(project_id, instance_id, table_id):
+    from google.cloud import bigtable
+    from google.cloud.bigtable import row_filters
+
     client = bigtable.Client(project=project_id, admin=True)
     instance = client.instance(instance_id)
     table = instance.table(table_id)
@@ -101,6 +110,9 @@ def filter_limit_col_family_regex(project_id, instance_id, table_id):
 # [END bigtable_filters_limit_col_family_regex]
 # [START bigtable_filters_limit_col_qualifier_regex]
 def filter_limit_col_qualifier_regex(project_id, instance_id, table_id):
+    from google.cloud import bigtable
+    from google.cloud.bigtable import row_filters
+
     client = bigtable.Client(project=project_id, admin=True)
     instance = client.instance(instance_id)
     table = instance.table(table_id)
@@ -115,6 +127,9 @@ def filter_limit_col_qualifier_regex(project_id, instance_id, table_id):
 # [END bigtable_filters_limit_col_qualifier_regex]
 # [START bigtable_filters_limit_col_range]
 def filter_limit_col_range(project_id, instance_id, table_id):
+    from google.cloud import bigtable
+    from google.cloud.bigtable import row_filters
+
     client = bigtable.Client(project=project_id, admin=True)
     instance = client.instance(instance_id)
     table = instance.table(table_id)
@@ -131,6 +146,9 @@ def filter_limit_col_range(project_id, instance_id, table_id):
 # [END bigtable_filters_limit_col_range]
 # [START bigtable_filters_limit_value_range]
 def filter_limit_value_range(project_id, instance_id, table_id):
+    from google.cloud import bigtable
+    from google.cloud.bigtable import row_filters
+
     client = bigtable.Client(project=project_id, admin=True)
     instance = client.instance(instance_id)
     table = instance.table(table_id)
@@ -148,6 +166,9 @@ def filter_limit_value_range(project_id, instance_id, table_id):
 
 
 def filter_limit_value_regex(project_id, instance_id, table_id):
+    from google.cloud import bigtable
+    from google.cloud.bigtable import row_filters
+
     client = bigtable.Client(project=project_id, admin=True)
     instance = client.instance(instance_id)
     table = instance.table(table_id)
@@ -162,6 +183,10 @@ def filter_limit_value_regex(project_id, instance_id, table_id):
 # [END bigtable_filters_limit_value_regex]
 # [START bigtable_filters_limit_timestamp_range]
 def filter_limit_timestamp_range(project_id, instance_id, table_id):
+    from google.cloud import bigtable
+    from google.cloud.bigtable import row_filters
+    import datetime
+
     client = bigtable.Client(project=project_id, admin=True)
     instance = client.instance(instance_id)
     table = instance.table(table_id)
@@ -178,6 +203,9 @@ def filter_limit_timestamp_range(project_id, instance_id, table_id):
 # [END bigtable_filters_limit_timestamp_range]
 # [START bigtable_filters_limit_block_all]
 def filter_limit_block_all(project_id, instance_id, table_id):
+    from google.cloud import bigtable
+    from google.cloud.bigtable import row_filters
+
     client = bigtable.Client(project=project_id, admin=True)
     instance = client.instance(instance_id)
     table = instance.table(table_id)
@@ -190,6 +218,9 @@ def filter_limit_block_all(project_id, instance_id, table_id):
 # [END bigtable_filters_limit_block_all]
 # [START bigtable_filters_limit_pass_all]
 def filter_limit_pass_all(project_id, instance_id, table_id):
+    from google.cloud import bigtable
+    from google.cloud.bigtable import row_filters
+
     client = bigtable.Client(project=project_id, admin=True)
     instance = client.instance(instance_id)
     table = instance.table(table_id)
@@ -202,6 +233,9 @@ def filter_limit_pass_all(project_id, instance_id, table_id):
 # [END bigtable_filters_limit_pass_all]
 # [START bigtable_filters_modify_strip_value]
 def filter_modify_strip_value(project_id, instance_id, table_id):
+    from google.cloud import bigtable
+    from google.cloud.bigtable import row_filters
+
     client = bigtable.Client(project=project_id, admin=True)
     instance = client.instance(instance_id)
     table = instance.table(table_id)
@@ -214,6 +248,9 @@ def filter_modify_strip_value(project_id, instance_id, table_id):
 # [END bigtable_filters_modify_strip_value]
 # [START bigtable_filters_modify_apply_label]
 def filter_modify_apply_label(project_id, instance_id, table_id):
+    from google.cloud import bigtable
+    from google.cloud.bigtable import row_filters
+
     client = bigtable.Client(project=project_id, admin=True)
     instance = client.instance(instance_id)
     table = instance.table(table_id)
@@ -226,6 +263,9 @@ def filter_modify_apply_label(project_id, instance_id, table_id):
 # [END bigtable_filters_modify_apply_label]
 # [START bigtable_filters_composing_chain]
 def filter_composing_chain(project_id, instance_id, table_id):
+    from google.cloud import bigtable
+    from google.cloud.bigtable import row_filters
+
     client = bigtable.Client(project=project_id, admin=True)
     instance = client.instance(instance_id)
     table = instance.table(table_id)
@@ -245,6 +285,9 @@ def filter_composing_chain(project_id, instance_id, table_id):
 # [END bigtable_filters_composing_chain]
 # [START bigtable_filters_composing_interleave]
 def filter_composing_interleave(project_id, instance_id, table_id):
+    from google.cloud import bigtable
+    from google.cloud.bigtable import row_filters
+
     client = bigtable.Client(project=project_id, admin=True)
     instance = client.instance(instance_id)
     table = instance.table(table_id)
@@ -264,6 +307,9 @@ def filter_composing_interleave(project_id, instance_id, table_id):
 # [END bigtable_filters_composing_interleave]
 # [START bigtable_filters_composing_condition]
 def filter_composing_condition(project_id, instance_id, table_id):
+    from google.cloud import bigtable
+    from google.cloud.bigtable import row_filters
+
     client = bigtable.Client(project=project_id, admin=True)
     instance = client.instance(instance_id)
     table = instance.table(table_id)
@@ -285,9 +331,8 @@ def filter_composing_condition(project_id, instance_id, table_id):
 
 
 # [END bigtable_filters_composing_condition]
-# [END_EXCLUDE]
-
 
+# [START bigtable_filters_print]
 def print_row(row):
     print("Reading data for {}:".format(row.row_key.decode("utf-8")))
     for cf, cols in sorted(row.cells.items()):

samples/snippets/filters/filter_snippets_async.py

@@ -11,9 +11,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from google.cloud._helpers import _datetime_from_microseconds
-from google.cloud.bigtable.data import Row
-
 
 # [START bigtable_filters_limit_row_sample_asyncio]
 async def filter_limit_row_sample(project_id, instance_id, table_id):
@@ -368,10 +365,11 @@ async def filter_composing_condition(project_id, instance_id, table_id):
 
 
 # [END bigtable_filters_composing_condition_asyncio]
-# [END_EXCLUDE]
 
 
-def print_row(row: Row):
+def print_row(row):
+    from google.cloud._helpers import _datetime_from_microseconds
+
     print("Reading data for {}:".format(row.row_key.decode("utf-8")))
     last_family = None
     for cell in row.cells: