docs(genai): Add Veo Generation Sample (#13186)

genai/video_generation/noxfile_config.py

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+# Copyright 2021 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.
+
+# Default TEST_CONFIG_OVERRIDE for python repos.
+
+# You can copy this file into your directory, then it will be imported from
+# the noxfile.py.
+
+# The source of truth:
+# https://github.com/GoogleCloudPlatform/python-docs-samples/blob/main/noxfile_config.py
+
+TEST_CONFIG_OVERRIDE = {
+    # You can opt out from the test for specific Python versions.
+    "ignored_versions": ["2.7", "3.7", "3.8", "3.10", "3.11", "3.13"],
+    # Old samples are opted out of enforcing Python type hints
+    # All new samples should feature them
+    "enforce_type_hints": True,
+    # An envvar key for determining the project id to use. Change it
+    # to 'BUILD_SPECIFIC_GCLOUD_PROJECT' if you want to opt in using a
+    # build specific Cloud project. You can also use your own string
+    # to use your own Cloud project.
+    "gcloud_project_env": "GOOGLE_CLOUD_PROJECT",
+    # 'gcloud_project_env': 'BUILD_SPECIFIC_GCLOUD_PROJECT',
+    # If you need to use a specific version of pip,
+    # change pip_version_override to the string representation
+    # of the version number, for example, "20.2.4"
+    "pip_version_override": None,
+    # A dictionary you want to inject into your test. Don't put any
+    # secrets here. These values will override predefined values.
+    "envs": {},
+}

genai/video_generation/requirements-test.txt

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+google-api-core==2.24.0
+google-cloud-storage==2.19.0
+pytest==8.2.0

genai/video_generation/requirements.txt

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+google-genai==1.3.0

genai/video_generation/test_video_generation_examples.py

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+# Copyright 2025 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
+#
+#    https://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.
+
+#
+# Using Google Cloud Vertex AI to test the code samples.
+#
+
+from datetime import datetime as dt
+
+import os
+
+from google.cloud import storage
+
+import pytest
+
+import videogen_with_txt
+
+
+os.environ["GOOGLE_GENAI_USE_VERTEXAI"] = "True"
+os.environ["GOOGLE_CLOUD_LOCATION"] = "us-central1"
+# The project name is included in the CICD pipeline
+# os.environ['GOOGLE_CLOUD_PROJECT'] = "add-your-project-name"
+
+GCS_OUTPUT_BUCKET = "python-docs-samples-tests"
+
+
+@pytest.fixture(scope="session")
+def output_gcs_uri() -> str:
+    prefix = f"text_output/{dt.now()}"
+
+    yield f"gs://{GCS_OUTPUT_BUCKET}/{prefix}"
+
+    storage_client = storage.Client()
+    bucket = storage_client.get_bucket(GCS_OUTPUT_BUCKET)
+    blobs = bucket.list_blobs(prefix=prefix)
+    for blob in blobs:
+        blob.delete()
+
+
+def test_videogen_with_txt(output_gcs_uri: str) -> None:
+    response = videogen_with_txt.generate_videos(output_gcs_uri=output_gcs_uri)
+    assert response

genai/video_generation/videogen_with_txt.py

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+# Copyright 2025 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
+#
+#    https://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.
+
+
+def generate_videos(output_gcs_uri: str) -> str:
+    # [START googlegenaisdk_videogen_with_txt]
+    import time
+    from google import genai
+    from google.genai.types import GenerateVideosConfig
+
+    client = genai.Client()
+
+    # TODO(developer): Update and un-comment below line
+    # output_gcs_uri = "gs://your-bucket/your-prefix"
+
+    operation = client.models.generate_videos(
+        model="veo-2.0-generate-001",
+        prompt="a cat reading a book",
+        config=GenerateVideosConfig(
+            aspect_ratio="16:9",
+            output_gcs_uri=output_gcs_uri,
+        ),
+    )
+
+    while not operation.done:
+        time.sleep(15)
+        operation = client.operations.get(operation)
+        print(operation)
+
+    if operation.response:
+        print(operation.result.generated_videos[0].video.uri)
+
+    # Example response:
+    # gs://your-bucket/your-prefix
+    # [END googlegenaisdk_videogen_with_txt]
+    return operation.result.generated_videos[0].video.uri
+
+
+if __name__ == "__main__":
+    generate_videos(output_gcs_uri="gs://your-bucket/your-prefix")