你当前正在访问 Microsoft Azure Global Edition 技术文档网站。 如果需要访问由世纪互联运营的 Microsoft Azure 中国技术文档网站，请访问 https://docs.azure.cn。

PipelineContext Class

A context object carried by the pipeline request and response containers.

This is transport specific and can contain data persisted between pipeline requests (for example reusing an open connection pool or "session"), as well as used by the SDK developer to carry arbitrary data through the pipeline.

Constructor

PipelineContext(transport: TransportType | None, **kwargs: Any)

Parameters

Name	Description
transport Required	HttpTransport or AsyncHttpTransport The HTTP transport type.
kwargs Required	any Developer-defined keyword arguments.

Methods

clear	Context objects cannot be cleared.
copy
fromkeys	Create a new dictionary with keys from iterable and values set to value.
get	Return the value for key if key is in the dictionary, else default.
items
keys
pop	Removes specified key and returns the value.
popitem	Remove and return a (key, value) pair as a 2-tuple. Pairs are returned in LIFO (last-in, first-out) order. Raises KeyError if the dict is empty.
setdefault	Insert key with a value of default if key is not in the dictionary. Return the value for key if key is in the dictionary, else default.
update	Context objects cannot be updated.
values

clear

Context objects cannot be cleared.

clear() -> None

Exceptions

Type	Description
TypeError

copy

copy() -> a shallow copy of D

Exceptions

Type	Description
TypeError

fromkeys

Create a new dictionary with keys from iterable and values set to value.

fromkeys(value=None, /)

Positional-Only Parameters

Name	Description
iterable Required
value	Default value: None

Parameters

Name	Description
type Required

Exceptions

Type	Description
TypeError

get

Return the value for key if key is in the dictionary, else default.

get(key, default=None, /)

Positional-Only Parameters

Name	Description
key Required
default	Default value: None

Exceptions

Type	Description
TypeError

items

items() -> a set-like object providing a view on D's items

Exceptions

Type	Description
TypeError

keys

keys() -> a set-like object providing a view on D's keys

Exceptions

Type	Description
TypeError

pop

Removes specified key and returns the value.

pop(__key: str) -> Any

Parameters

Name	Description
args Required	str The key to remove.

Returns

Type	Description
any	The value for this key.

Exceptions

Type	Description
ValueError If the key is in the protected list.

popitem

Remove and return a (key, value) pair as a 2-tuple.

Pairs are returned in LIFO (last-in, first-out) order. Raises KeyError if the dict is empty.

popitem()

Exceptions

Type	Description
TypeError

setdefault

Insert key with a value of default if key is not in the dictionary.

Return the value for key if key is in the dictionary, else default.

setdefault(key, default=None, /)

Positional-Only Parameters

Name	Description
key Required
default	Default value: None

Exceptions

Type	Description
TypeError

update

Context objects cannot be updated.

update(*args: Any, **kwargs: Any) -> None

Exceptions

Type	Description
TypeError

values

values() -> an object providing a view on D's values

Exceptions

Type	Description
TypeError