googleapis · gcf-merge-on-green · Oct 31, 2023 · Aug 7, 2023 · Aug 7, 2023 · Oct 24, 2023
@@ -14,7 +14,7 @@
 
 """BigQuery DataFrames provides a DataFrame API scaled by the BigQuery engine."""
 
-from bigframes._config import options
+from bigframes._config import option_context, options
 from bigframes._config.bigquery_options import BigQueryOptions
 from bigframes.core.global_session import close_session, get_global_session
 from bigframes.session import connect, Session
@@ -28,4 +28,5 @@
     "connect",
     "Session",
     "__version__",
+    "option_context",
 ]
@@ -18,8 +18,10 @@
 """
 
 import bigframes._config.bigquery_options as bigquery_options
+import bigframes._config.compute_options as compute_options
 import bigframes._config.display_options as display_options
 import bigframes._config.sampling_options as sampling_options
+import third_party.bigframes_vendored.pandas._config.config as pandas_config
 
 
 class Options:
@@ -29,6 +31,7 @@ def __init__(self):
         self._bigquery_options = bigquery_options.BigQueryOptions()
         self._display_options = display_options.DisplayOptions()
         self._sampling_options = sampling_options.SamplingOptions()
+        self._compute_options = compute_options.ComputeOptions()
 
     @property
     def bigquery(self) -> bigquery_options.BigQueryOptions:
@@ -49,6 +52,11 @@ def sampling(self) -> sampling_options.SamplingOptions:
         parameters in specific functions."""
         return self._sampling_options
 
+    @property
+    def compute(self) -> compute_options.ComputeOptions:
+        """Options controlling object computation."""
+        return self._compute_options
+
 
 options = Options()
 """Global options for default session."""
@@ -58,3 +66,6 @@ def sampling(self) -> sampling_options.SamplingOptions:
     "Options",
     "options",
 )
+
+
+option_context = pandas_config.option_context
@@ -0,0 +1,35 @@
+# Copyright 2023 Google LLC
+#
+# 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
+#
+#     http://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.
+
+"""Options for displaying objects."""
+
+import dataclasses
+from typing import Optional
+
+
+@dataclasses.dataclass
+class ComputeOptions:
+    """
+    Encapsulates configuration for compute options.
+
+    Attributes:
+        maximum_bytes_billed (int, Options):
+            Limits the bytes billed for query jobs. Queries that will have
+            bytes billed beyond this limit will fail (without incurring a
+            charge). If unspecified, this will be set to your project default.
+            See `maximum_bytes_billed <https://cloud.google.com/python/docs/reference/bigquery/latest/google.cloud.bigquery.job.QueryJobConfig#google_cloud_bigquery_job_QueryJobConfig_maximum_bytes_billed>`_.
+
+    """
+
+    maximum_bytes_billed: Optional[int] = None
@@ -40,17 +40,12 @@ def pandas_repr(display_options: DisplayOptions):
     This context manager makes sure we reset the pandas options when we're done
     so that we don't override pandas behavior.
     """
-    original_max_cols = pd.options.display.max_columns
-    original_max_rows = pd.options.display.max_rows
-    original_show_dimensions = pd.options.display.show_dimensions
-
-    pd.options.display.max_columns = display_options.max_columns
-    pd.options.display.max_rows = display_options.max_rows
-    pd.options.display.show_dimensions = True  # type: ignore
-
-    try:
-        yield
-    finally:
-        pd.options.display.max_columns = original_max_cols
-        pd.options.display.max_rows = original_max_rows
-        pd.options.display.show_dimensions = original_show_dimensions
+    with pd.option_context(
+        "display.max_columns",
+        display_options.max_columns,
+        "display.max_rows",
+        display_options.max_rows,
+        "display.show_dimensions",
+        True,
+    ) as pandas_context:
+        yield (pandas_context)
@@ -462,6 +462,9 @@ def read_gbq_function(function_name: str):
 options = config.options
 """Global :class:`~bigframes._config.Options` to configure BigQuery DataFrames."""
 
+option_context = config.option_context
+"""Global :class:`~bigframes._config.option_context` to configure BigQuery DataFrames."""
+
 # Session management APIs
 get_global_session = global_session.get_global_session
 close_session = global_session.close_session
@@ -494,6 +497,7 @@ def read_gbq_function(function_name: str):
     # Other public pandas attributes
     "NamedAgg",
     "options",
+    "option_context",
     # Session management APIs
     "get_global_session",
     "close_session",

@@ -1504,12 +1504,10 @@ def _start_query(
         max_results: Optional[int] = None,
     ) -> Tuple[bigquery.table.RowIterator, bigquery.QueryJob]:
         """
-        Starts query job and waits for results
+        Starts query job and waits for results.
         """
-        if job_config is not None:
-            query_job = self.bqclient.query(sql, job_config=job_config)
-        else:
-            query_job = self.bqclient.query(sql)
+        job_config = self._prepare_job_config(job_config)
+        query_job = self.bqclient.query(sql, job_config=job_config)
 
         opts = bigframes.options.display
         if opts.progress_bar is not None and not query_job.configuration.dry_run:
@@ -1538,6 +1536,17 @@ def _start_generic_job(self, job: formatting_helpers.GenericJob):
         else:
             job.result()
 
+    def _prepare_job_config(
+        self, job_config: Optional[bigquery.QueryJobConfig] = None
+    ) -> bigquery.QueryJobConfig:
+        if job_config is None:
+            job_config = self.bqclient.default_query_job_config
+        if bigframes.options.compute.maximum_bytes_billed is not None:
+            job_config.maximum_bytes_billed = (
+                bigframes.options.compute.maximum_bytes_billed
+            )
+        return job_config
+
 
 def connect(context: Optional[bigquery_options.BigQueryOptions] = None) -> Session:
     return Session(context)

@@ -12,3 +12,5 @@ Options and settings
 .. autoclass:: bigframes._config.display_options.DisplayOptions
 
 .. autoclass:: bigframes._config.sampling_options.SamplingOptions
+
+.. autoclass:: bigframes._config.compute_options.ComputeOptions
@@ -13,6 +13,8 @@
         uid: bigframes._config.display_options.DisplayOptions
       - name: SamplingOptions
         uid: bigframes._config.sampling_options.SamplingOptions
+      - name: ComputeOptions
+        uid: bigframes._config.compute_options.ComputeOptions
       name: Options and settings
     - items:
       - name: Session

@@ -898,13 +898,6 @@ def usa_names_grouped_table(
         return session.bqclient.get_table(table_id)
 
 
-@pytest.fixture()
-def deferred_repr():
-    bigframes.options.display.repr_mode = "deferred"
-    yield
-    bigframes.options.display.repr_mode = "head"
-
-
 @pytest.fixture()
 def restore_sampling_settings():
     enable_downsampling = bigframes.options.sampling.enable_downsampling

@@ -135,12 +135,11 @@ def test_query_job_repr(penguins_df_default_index: bf.dataframe.DataFrame):
         assert string in query_job_repr
 
 
-def test_query_job_dry_run(
-    penguins_df_default_index: bf.dataframe.DataFrame, capsys, deferred_repr
-):
-    repr(penguins_df_default_index)
-    repr(penguins_df_default_index["body_mass_g"])
-    lines = capsys.readouterr().out.split("\n")
-    lines = filter(None, lines)
-    for line in lines:
-        assert "Computation deferred. Computation will process" in line
+def test_query_job_dry_run(penguins_df_default_index: bf.dataframe.DataFrame, capsys):
+    with bf.option_context("display.repr_mode", "deferred"):
+        repr(penguins_df_default_index)
+        repr(penguins_df_default_index["body_mass_g"])
+        lines = capsys.readouterr().out.split("\n")
+        lines = filter(None, lines)
+        for line in lines:
+            assert "Computation deferred. Computation will process" in line
@@ -0,0 +1,30 @@
+# Copyright 2023 Google LLC
+#
+# 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
+#
+#     http://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.
+import bigframes as bf
+
+from . import resources
+
+
+def test_maximum_bytes_option():
+    session = resources.create_bigquery_session()
+    num_query_calls = 0
+    with bf.option_context("compute.maximum_bytes_billed", 10000):
+        # clear initial method calls
+        session.bqclient.method_calls = []
+        session._start_query("query")
+        for call in session.bqclient.method_calls:
+            _, _, kwargs = call
+            num_query_calls += 1
+            assert kwargs["job_config"].maximum_bytes_billed == 10000
+    assert num_query_calls > 0
@@ -0,0 +1,45 @@
+# Contains code from https://github.com/pandas-dev/pandas/blob/main/pandas/_config/config.py
+import contextlib
+import operator
+
+import bigframes
+
+
+class option_context(contextlib.ContextDecorator):
+    """
+    Context manager to temporarily set options in the `with` statement context.
+
+    You need to invoke as ``option_context(pat, val, [(pat, val), ...])``.
+
+    Examples
+    --------
+    >>> import bigframes
+    >>> with bigframes.option_context('display.max_rows', 10, 'display.max_columns', 5):
+    ...     pass
+    """
+
+    def __init__(self, *args) -> None:
+        if len(args) % 2 != 0 or len(args) < 2:
+            raise ValueError(
+                "Need to invoke as option_context(pat, val, [(pat, val), ...])."
+            )
+
+        self.ops = list(zip(args[::2], args[1::2]))
+
+    def __enter__(self) -> None:
+        self.undo = [
+            (pat, operator.attrgetter(pat)(bigframes.options)) for pat, val in self.ops
+        ]
+
+        for pat, val in self.ops:
+            self._set_option(pat, val)
+
+    def __exit__(self, *args) -> None:
+        if self.undo:
+            for pat, val in self.undo:
+                self._set_option(pat, val)
+
+    def _set_option(self, pat, val):
+        root, attr = pat.rsplit(".", 1)
+        parent = operator.attrgetter(root)(bigframes.options)
+        setattr(parent, attr, val)
Original file line number	Diff line number	Diff line change
Expand Up		@@ -12,3 +12,5 @@ Options and settings
		.. autoclass:: bigframes._config.display_options.DisplayOptions

		.. autoclass:: bigframes._config.sampling_options.SamplingOptions

		.. autoclass:: bigframes._config.compute_options.ComputeOptions