client constructors are `api` and `api_from_config`.
"""
-from __future__ import absolute_import
-from future import standard_library
-standard_library.install_aliases()
-from builtins import range
import collections
-import http.client
import httplib2
import json
import logging
import time
import types
+from typing import (
+ Any,
+ Dict,
+ List,
+ Mapping,
+ Optional,
+)
+
import apiclient
import apiclient.http
from apiclient import discovery as apiclient_discovery
_googleapiclient_log_lock = threading.Lock()
MAX_IDLE_CONNECTION_DURATION = 30
-
-# These constants supported our own retry logic that we've since removed in
-# favor of using googleapiclient's num_retries. They're kept here purely for
-# API compatibility, but set to 0 to indicate no retries happen.
-RETRY_DELAY_INITIAL = 0
-RETRY_DELAY_BACKOFF = 0
-RETRY_COUNT = 0
+"""
+Number of seconds that API client HTTP connections should be allowed to idle
+in keepalive state before they are forced closed. Client code can adjust this
+constant, and it will be used for all Arvados API clients constructed after
+that point.
+"""
# An unused HTTP 5xx status code to request a retry internally.
# See _intercept_http_request. This should not be user-visible.
if sys.version_info >= (3,):
httplib2.SSLHandshakeError = None
-class OrderedJsonModel(apiclient.model.JsonModel):
- """Model class for JSON that preserves the contents' order.
-
- API clients that care about preserving the order of fields in API
- server responses can use this model to do so, like this:
-
- from arvados.api import OrderedJsonModel
- client = arvados.api('v1', ..., model=OrderedJsonModel())
- """
-
- def deserialize(self, content):
- # This is a very slightly modified version of the parent class'
- # implementation. Copyright (c) 2010 Google.
- content = content.decode('utf-8')
- body = json.loads(content, object_pairs_hook=collections.OrderedDict)
- if self._data_wrapper and isinstance(body, dict) and 'data' in body:
- body = body['data']
- return body
-
-
_orig_retry_request = apiclient.http._retry_request
def _retry_request(http, num_retries, *args, **kwargs):
try:
errors.ApiError, *args, **kwargs)
apiclient_errors.HttpError.__new__ = staticmethod(_new_http_error)
-def http_cache(data_type):
- try:
- homedir = pathlib.Path.home()
- except RuntimeError:
- return None
- path = pathlib.Path(homedir, '.cache', 'arvados', data_type)
+def http_cache(data_type: str) -> cache.SafeHTTPCache:
+ """Set up an HTTP file cache
+
+ This function constructs and returns an `arvados.cache.SafeHTTPCache`
+ backed by the filesystem under a cache directory from the environment, or
+ `None` if the directory cannot be set up. The return value can be passed to
+ `httplib2.Http` as the `cache` argument.
+
+ Arguments:
+
+ * data_type: str --- The name of the subdirectory
+ where data is cached.
+ """
try:
- path.mkdir(parents=True, exist_ok=True)
- except OSError:
+ path = util._BaseDirectories('CACHE').storage_path() / data_type
+ path.mkdir(exist_ok=True)
+ except (OSError, RuntimeError):
return None
- return cache.SafeHTTPCache(str(path), max_age=60*60*24*2)
+ else:
+ return cache.SafeHTTPCache(str(path), max_age=60*60*24*2)
def api_client(
- version,
- discoveryServiceUrl,
- token,
+ version: str,
+ discoveryServiceUrl: str,
+ token: str,
*,
- cache=True,
- http=None,
- insecure=False,
- num_retries=10,
- request_id=None,
- timeout=5*60,
- **kwargs,
-):
+ cache: bool=True,
+ http: Optional[httplib2.Http]=None,
+ insecure: bool=False,
+ num_retries: int=10,
+ request_id: Optional[str]=None,
+ timeout: int=5*60,
+ **kwargs: Any,
+) -> apiclient_discovery.Resource:
"""Build an Arvados API client
This function returns a `googleapiclient.discovery.Resource` object
Keyword-only arguments:
* cache: bool --- If true, loads the API discovery document from, or
- saves it to, a cache on disk (located at
- `~/.cache/arvados/discovery`).
+ saves it to, a cache on disk.
* http: httplib2.Http | None --- The HTTP client object the API client
object will use to make requests. If not provided, this function will
Additional keyword arguments will be passed directly to
`googleapiclient.discovery.build`.
-
"""
if http is None:
http = httplib2.Http(
return svc
def normalize_api_kwargs(
- version=None,
- discoveryServiceUrl=None,
- host=None,
- token=None,
- **kwargs,
-):
+ version: Optional[str]=None,
+ discoveryServiceUrl: Optional[str]=None,
+ host: Optional[str]=None,
+ token: Optional[str]=None,
+ **kwargs: Any,
+) -> Dict[str, Any]:
"""Validate kwargs from `api` and build kwargs for `api_client`
This method takes high-level keyword arguments passed to the `api`
**kwargs,
}
-def api_kwargs_from_config(version=None, apiconfig=None, **kwargs):
+def api_kwargs_from_config(
+ version: Optional[str]=None,
+ apiconfig: Optional[Mapping[str, str]]=None,
+ **kwargs: Any
+) -> Dict[str, Any]:
"""Build `api_client` keyword arguments from configuration
This function accepts a mapping with Arvados configuration settings like
**kwargs,
)
-def api(version=None, cache=True, host=None, token=None, insecure=False,
- request_id=None, timeout=5*60, *,
- discoveryServiceUrl=None, **kwargs):
+def api(
+ version: Optional[str]=None,
+ cache: bool=True,
+ host: Optional[str]=None,
+ token: Optional[str]=None,
+ insecure: bool=False,
+ request_id: Optional[str]=None,
+ timeout: int=5*60,
+ *,
+ discoveryServiceUrl: Optional[str]=None,
+ **kwargs: Any,
+) -> 'arvados.safeapi.ThreadSafeApiCache':
"""Dynamically build an Arvados API client
This function provides a high-level "do what I mean" interface to build an
from .safeapi import ThreadSafeApiCache
return ThreadSafeApiCache({}, {}, kwargs, version)
-def api_from_config(version=None, apiconfig=None, **kwargs):
+def api_from_config(
+ version: Optional[str]=None,
+ apiconfig: Optional[Mapping[str, str]]=None,
+ **kwargs: Any
+) -> 'arvados.safeapi.ThreadSafeApiCache':
"""Build an Arvados API client from a configuration mapping
This function builds an Arvados API client from a mapping with user
docstring for more information about their meaning.
"""
return api(**api_kwargs_from_config(version, apiconfig, **kwargs))
+
+class OrderedJsonModel(apiclient.model.JsonModel):
+ """Model class for JSON that preserves the contents' order
+
+ .. WARNING:: Deprecated
+ This model is redundant now that Python dictionaries preserve insertion
+ ordering. Code that passes this model to API constructors can remove it.
+
+ In Python versions before 3.6, API clients that cared about preserving the
+ order of fields in API server responses could use this model to do so.
+ Typical usage looked like:
+
+ from arvados.api import OrderedJsonModel
+ client = arvados.api('v1', ..., model=OrderedJsonModel())
+ """
+ @util._deprecated(preferred="the default model and rely on Python's built-in dictionary ordering")
+ def __init__(self, data_wrapper=False):
+ return super().__init__(data_wrapper)
+
+
+RETRY_DELAY_INITIAL = 0
+"""
+.. WARNING:: Deprecated
+ This constant was used by retry code in previous versions of the Arvados SDK.
+ Changing the value has no effect anymore.
+ Prefer passing `num_retries` to an API client constructor instead.
+ Refer to the constructor docstrings for details.
+"""
+
+RETRY_DELAY_BACKOFF = 0
+"""
+.. WARNING:: Deprecated
+ This constant was used by retry code in previous versions of the Arvados SDK.
+ Changing the value has no effect anymore.
+ Prefer passing `num_retries` to an API client constructor instead.
+ Refer to the constructor docstrings for details.
+"""
+
+RETRY_COUNT = 0
+"""
+.. WARNING:: Deprecated
+ This constant was used by retry code in previous versions of the Arvados SDK.
+ Changing the value has no effect anymore.
+ Prefer passing `num_retries` to an API client constructor instead.
+ Refer to the constructor docstrings for details.
+"""
projects / arvados.git / blobdiff