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我正在嘗試Google雲端扳手的「Python雲端扳手入門」指南。Cloud Spanner，創建數據庫客戶端，快速入門指南，錯誤
我創建了實例數據庫e.t.c.
我得到「創建數據庫客戶端」部分。
我們在防火牆後面運行，必須設置我們的代理設置，我們使用Gsutil，BQ命令行e.t.c成功完成了這項工作。
當我設置代理設置，然後嘗試執行quickstart.py 我得到錯誤。
E0620 08:35:32.703000000 5020 src/core/ext/filters/client_channel/uri_parser.c:60] bad uri.scheme: 'xx.xxx.xxx.xxx:xx'
E0620 08:35:32.703000000 5020 src/core/ext/filters/client_channel/uri_parser.c:66] ^here
E0620 08:35:32.703000000 5020 src/core/ext/filters/client_channel/http_proxy.c:56] cannot parse value of 'http_proxy' env var
它在行database.execute_sql('SELECT 1')哪裏出問題了。
如果你還沒有看到快速入門的例子，這裏是代碼。
#!/usr/bin/env python
# Copyright 2016 Google Inc. All Rights Reserved.
#
# 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.
def run_quickstart():
# [START spanner_quickstart]
# Imports the Google Cloud Client Library.
from google.cloud import spanner
# Instantiate a client.
spanner_client = spanner.Client()
# Your Cloud Spanner instance ID.
instance_id = 'im-spanner'
# Get a Cloud Spanner instance by ID.
instance = spanner_client.instance(instance_id)
# Your Cloud Spanner database ID.
database_id = 'd42'
# Get a Cloud Spanner database by ID.
database = instance.database(database_id)
# Execute a simple SQL statement.
results = database.execute_sql('SELECT 1')
for row in results:
print(row)
# [END spanner_quickstart]
if __name__ == '__main__':
run_quickstart()
我已經雙重檢查了代理服務器的詳細信息，它們是正確的。 任何人都可以幫忙嗎？