chore(python): add nox session to sort python imports (#229)

Source-Link: googleapis/synthtool@1b71c10
Post-Processor: gcr.io/cloud-devrel-public-resources/owlbot-python:latest@sha256:00c9d764fd1cd56265f12a5ef4b99a0c9e87cf261018099141e2ca5158890416

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

Author: gcf-owl-bot[bot]

datalabeling/snippets/create_annotation_spec_set_test.py

@@ -23,7 +23,6 @@
 import create_annotation_spec_set
 import testing_lib
 
-
 PROJECT_ID = os.getenv("GOOGLE_CLOUD_PROJECT")
 
 

datalabeling/snippets/create_instruction_test.py

@@ -24,7 +24,6 @@
 import create_instruction
 import testing_lib
 
-
 PROJECT_ID = os.getenv("GOOGLE_CLOUD_PROJECT")
 INSTRUCTION_GCS_URI = "gs://cloud-samples-data/datalabeling" "/instruction/test.pdf"
 

datalabeling/snippets/import_data_test.py

@@ -24,7 +24,6 @@
 import import_data
 import testing_lib
 
-
 PROJECT_ID = os.getenv("GOOGLE_CLOUD_PROJECT")
 INPUT_GCS_URI = "gs://cloud-samples-data/datalabeling/image/image_dataset.csv"
 

datalabeling/snippets/label_image_test.py

@@ -24,7 +24,6 @@
 import label_image
 import testing_lib
 
-
 PROJECT_ID = os.getenv("GOOGLE_CLOUD_PROJECT")
 INPUT_GCS_URI = "gs://cloud-samples-data/datalabeling/image/image_dataset.csv"
 INSTRUCTION_GCS_URI = "gs://cloud-samples-data/datalabeling" "/instruction/test.pdf"

datalabeling/snippets/manage_dataset_test.py

@@ -17,14 +17,12 @@
 import os
 
 import backoff
-from google.api_core.exceptions import RetryError
-from google.api_core.exceptions import ServerError
+from google.api_core.exceptions import RetryError, ServerError
 import pytest
 
 import manage_dataset
 import testing_lib
 
-
 PROJECT_ID = os.getenv("GOOGLE_CLOUD_PROJECT")
 
 

datalabeling/snippets/noxfile.py

@@ -22,14 +22,14 @@
 
 import nox
 
-
 # WARNING - WARNING - WARNING - WARNING - WARNING
 # WARNING - WARNING - WARNING - WARNING - WARNING
 #           DO NOT EDIT THIS FILE EVER!
 # WARNING - WARNING - WARNING - WARNING - WARNING
 # WARNING - WARNING - WARNING - WARNING - WARNING
 
 BLACK_VERSION = "black==22.3.0"
+ISORT_VERSION = "isort==5.10.1"
 
 # Copy `noxfile_config.py` to your directory and modify it instead.
 
@@ -168,12 +168,33 @@ def lint(session: nox.sessions.Session) -> None:
 
 @nox.session
 def blacken(session: nox.sessions.Session) -> None:
+    """Run black. Format code to uniform standard."""
     session.install(BLACK_VERSION)
     python_files = [path for path in os.listdir(".") if path.endswith(".py")]
 
     session.run("black", *python_files)
 
 
+#
+# format = isort + black
+#
+
+
+@nox.session
+def format(session: nox.sessions.Session) -> None:
+    """
+    Run isort to sort imports. Then run black
+    to format code to uniform standard.
+    """
+    session.install(BLACK_VERSION, ISORT_VERSION)
+    python_files = [path for path in os.listdir(".") if path.endswith(".py")]
+
+    # Use the --fss option to sort imports using strict alphabetical order.
+    # See https://pycqa.github.io/isort/docs/configuration/options.html#force-sort-within-sections
+    session.run("isort", "--fss", *python_files)
+    session.run("black", *python_files)
+
+
 #
 # Sample Tests
 #

datalabeling/snippets/testing_lib.py

@@ -17,16 +17,14 @@
 
 import backoff
 from google.api_core.client_options import ClientOptions
-from google.api_core.exceptions import DeadlineExceeded
-from google.api_core.exceptions import FailedPrecondition
+from google.api_core.exceptions import DeadlineExceeded, FailedPrecondition
 from google.cloud import datalabeling_v1beta1 as datalabeling
 
 import create_annotation_spec_set as annotation_spec_set_sample
 import create_instruction as instruction_sample
 import import_data as import_sample
 import manage_dataset as dataset_sample
 
-
 RETRY_DEADLINE = 60