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base.py
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base.py
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# -*- coding: utf-8 -*-
# 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.
#
import abc
import typing
from google import auth
from google.auth import credentials # type: ignore
from google.cloud.servicedirectory_v1beta1.types import lookup_service
class LookupServiceTransport(metaclass=abc.ABCMeta):
"""Abstract transport class for LookupService."""
AUTH_SCOPES = ("https://www.googleapis.com/auth/cloud-platform",)
def __init__(
self,
*,
host: str = "servicedirectory.googleapis.com",
credentials: credentials.Credentials = None,
) -> None:
"""Instantiate the transport.
Args:
host (Optional[str]): The hostname to connect to.
credentials (Optional[google.auth.credentials.Credentials]): The
authorization credentials to attach to requests. These
credentials identify the application to the service; if none
are specified, the client will attempt to ascertain the
credentials from the environment.
"""
# Save the hostname. Default to port 443 (HTTPS) if none is specified.
if ":" not in host:
host += ":443"
self._host = host
# If no credentials are provided, then determine the appropriate
# defaults.
if credentials is None:
credentials, _ = auth.default(scopes=self.AUTH_SCOPES)
# Save the credentials.
self._credentials = credentials
@property
def resolve_service(
self
) -> typing.Callable[
[lookup_service.ResolveServiceRequest], lookup_service.ResolveServiceResponse
]:
raise NotImplementedError
__all__ = ("LookupServiceTransport",)