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owlbot.py
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owlbot.py
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# Copyright 2020 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.
import os
import subprocess
import shutil
import synthtool as s
import synthtool.gcp as gcp
from synthtool.languages import python
from synthtool.sources import git
GOOGLEAPIS_REPO = "googleapis/googleapis"
# ----------------------------------------------------------------------------
# Get gapic metadata proto from googleapis
# ----------------------------------------------------------------------------
# Clean up googleapis
shutil.rmtree('googleapis', ignore_errors=True)
# Clone googleapis
googleapis_url = git.make_repo_clone_url(GOOGLEAPIS_REPO)
subprocess.run(["git", "clone", googleapis_url])
# This is required in order for s.copy() to work
s._tracked_paths.add("googleapis")
# Gapic metadata proto needed by gapic-generator-python
# Desired import is "from google.gapic.metadata import gapic_metadata_pb2"
s.copy("googleapis/gapic", "google/gapic", excludes=["lang/", "packaging/", "**/BUILD.bazel"],)
s.copy("googleapis/google/api/*.proto", "google/api")
s.copy("googleapis/google/cloud/extended_operations.proto", "google/cloud")
s.copy("googleapis/google/cloud/location/locations.proto", "google/cloud/location")
s.copy("googleapis/google/logging/type/*.proto", "google/logging/type")
s.copy("googleapis/google/longrunning/*.proto", "google/longrunning")
s.copy("googleapis/google/rpc/*.proto", "google/rpc")
s.copy("googleapis/google/rpc/context/*.proto", "google/rpc/context")
s.copy("googleapis/google/type/*.proto", "google/type")
# Clean up googleapis
shutil.rmtree('googleapis')
# ----------------------------------------------------------------------------
# Add templated files
# ----------------------------------------------------------------------------
common = gcp.CommonTemplates()
templated_files = common.py_library()
# TODO: use protoc-docs-plugin to add docstrings to protos
s.move(templated_files / ".kokoro", excludes=["docs/**/*", "publish-docs.sh"])
s.move(templated_files / "setup.cfg")
s.move(templated_files / "LICENSE")
s.move(templated_files / "MANIFEST.in")
s.move(templated_files / "renovate.json")
s.move(templated_files / ".github", excludes=["workflows"])
# Generate _pb2.py files and format them
s.shell.run(["nox", "-s", "generate_protos"], hide_output=False)
s.shell.run(["nox", "-s", "blacken"], hide_output=False)
# Add license headers
python.fix_pb2_headers()
LICENSE = """
# Copyright 2020 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."""
PB2_GRPC_HEADER = r"""(\# Generated by the gRPC Python protocol compiler plugin\. DO NOT EDIT!$)
(.*?$)"""
s.replace(
"**/*_pb2_grpc.py",
PB2_GRPC_HEADER,
fr"{LICENSE}\n\n\g<1>\n\n\g<2>", # add line breaks to avoid stacking replacements
)