/
_http.py
63 lines (49 loc) · 2.4 KB
/
_http.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
# Copyright 2014 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.
"""Create / interact with Google Cloud Storage connections."""
import functools
from google.cloud import _http
from google.cloud.storage import __version__
class Connection(_http.JSONConnection):
"""A connection to Google Cloud Storage via the JSON REST API.
:type client: :class:`~google.cloud.storage.client.Client`
:param client: The client that owns the current connection.
:type client_info: :class:`~google.api_core.client_info.ClientInfo`
:param client_info: (Optional) instance used to generate user agent.
"""
DEFAULT_API_ENDPOINT = "https://storage.googleapis.com"
def __init__(self, client, client_info=None, api_endpoint=DEFAULT_API_ENDPOINT):
super(Connection, self).__init__(client, client_info)
self.API_BASE_URL = api_endpoint
self._client_info.client_library_version = __version__
# TODO: When metrics all use gccl, this should be removed #9552
if self._client_info.user_agent is None: # pragma: no branch
self._client_info.user_agent = ""
self._client_info.user_agent += " gcloud-python/{} ".format(__version__)
API_VERSION = "v1"
"""The version of the API, used in building the API call's URL."""
API_URL_TEMPLATE = "{api_base_url}/storage/{api_version}{path}"
"""A template for the URL of a particular API call."""
def api_request(self, *args, **kwargs):
retry = kwargs.pop("retry", None)
call = functools.partial(super(Connection, self).api_request, *args, **kwargs)
if retry:
# If this is a ConditionalRetryPolicy, check conditions.
try:
retry = retry.get_retry_policy_if_conditions_met(**kwargs)
except AttributeError: # This is not a ConditionalRetryPolicy.
pass
if retry:
call = retry(call)
return call()