Client library for the sink API
Project description
Sink Python API Library
The Sink Python library provides convenient access to the Sink REST API from any Python 3.7+ application. It includes type definitions for all request params and response fields, and offers both synchronous and asynchronous clients powered by httpx.
Documentation
The API documentation can be found here.
Installation
pip install sink-pypi
Usage
from sink import Sink
sink = Sink(
# defaults to os.environ.get("SINK_CUSTOM_API_KEY_ENV")
user_token="my user token",
# defaults to "production".
environment="sandbox",
username="Robert",
)
card = sink.cards.create(
type="SINGLE_USE",
not_="TEST",
)
print(card.token)
While you can provide a user_token
keyword argument, we recommend using python-dotenv
and adding SINK_CUSTOM_API_KEY_ENV="my user token"
to your .env
file so that your user token is not stored in source control.
Async Usage
Simply import AsyncSink
instead of Sink
and use await
with each API call:
from sink import AsyncSink
sink = AsyncSink(
# defaults to os.environ.get("SINK_CUSTOM_API_KEY_ENV")
user_token="my user token",
# defaults to "production".
environment="sandbox",
username="Robert",
)
async def main():
card = await sink.cards.create(
type="SINGLE_USE",
not_="TEST",
)
print(card.token)
asyncio.run(main())
Functionality between the synchronous and asynchronous clients is otherwise identical.
Using Types
Nested request parameters are TypedDicts, while responses are Pydantic models. This helps provide autocomplete and documentation within your editor.
If you would like to see type errors in VS Code to help catch bugs earlier, set python.analysis.typeCheckingMode
to "basic"
.
Pagination
List methods in the Sink API are paginated.
This library provides auto-paginating iterators with each list response, so you do not have to request successive pages manually:
import sink
sink = Sink(
username="Robert",
)
all_offsets = []
# Automatically fetches more pages as needed.
for offset in sink.pagination_tests.offset.list():
# Do something with offset here
all_offsets.append(offset)
print(all_offsets)
Or, asynchronously:
import asyncio
import sink
sink = AsyncSink(
username="Robert",
)
async def main() -> None:
all_offsets = []
# Iterate through items across all pages, issuing requests as needed.
async for offset in sink.pagination_tests.offset.list():
all_offsets.append(offset)
print(all_offsets)
asyncio.run(main())
Alternatively, you can use the .has_next_page()
, .next_page_info()
, or .get_next_page()
methods for more granular control working with pages:
first_page = await sink.pagination_tests.offset.list()
if first_page.has_next_page():
print(f"will fetch next page using these details: {first_page.next_page_info()}")
next_page = await first_page.get_next_page()
print(f"number of items we just fetched: {len(next_page.data)}")
# Remove `await` for non-async usage.
Or just work directly with the returned data:
first_page = await sink.pagination_tests.offset.list()
print(
f"the current start offset for this page: {first_page.offset}"
) # => "the current start offset for this page: 1"
for offset in first_page.data:
print(offset.bar)
# Remove `await` for non-async usage.
Nested params
Nested parameters are dictionaries, typed using TypedDict
, for example:
from sink import Sink
sink = Sink(
username="Robert",
)
sink.cards.create(
foo={
"bar": True
},
)
Handling errors
When the library is unable to connect to the API (e.g., due to network connection problems or a timeout), a subclass of sink.APIConnectionError
is raised.
When the API returns a non-success status code (i.e., 4xx or 5xx
response), a subclass of sink.APIStatusError
will be raised, containing status_code
and response
properties.
All errors inherit from sink.APIError
.
from sink import Sink
sink = Sink(
username="Robert",
)
try:
sink.cards.create(
type="an_incorrect_type",
)
except sink.APIConnectionError as e:
print("The server could not be reached")
print(e.__cause__) # an underlying Exception, likely raised within httpx.
except sink.RateLimitError as e:
print("A 429 status code was received; we should back off a bit.")
except sink.APIStatusError as e:
print("Another non-200-range status code was received")
print(e.status_code)
print(e.response)
Error codes are as followed:
Status Code | Error Type |
---|---|
400 | BadRequestError |
401 | AuthenticationError |
403 | PermissionDeniedError |
404 | NotFoundError |
422 | UnprocessableEntityError |
429 | RateLimitError |
>=500 | InternalServerError |
N/A | APIConnectionError |
Retries
Certain errors will be automatically retried 2 times by default, with a short exponential backoff. Connection errors (for example, due to a network connectivity problem), 409 Conflict, 429 Rate Limit, and >=500 Internal errors will all be retried by default.
You can use the max_retries
option to configure or disable this:
from sink import Sink
# Configure the default for all requests:
sink = Sink(
# default is 2
max_retries=0,
username="Robert",
)
# Or, configure per-request:
sink.with_options(max_retries=5).cards.list(
page_size=10,
)
Timeouts
Requests time out after 60 seconds by default. You can configure this with a timeout
option,
which accepts a float or an httpx.Timeout
:
from sink import Sink
# Configure the default for all requests:
sink = Sink(
# default is 60s
timeout=20.0,
username="Robert",
)
# More granular control:
sink = Sink(
timeout=httpx.Timeout(60.0, read=5.0, write=10.0, connect=2.0),
username="Robert",
)
# Override per-request:
sink.with_options(timeout=5 * 1000).cards.list(
page_size=10,
)
On timeout, an APITimeoutError
is thrown.
Note that requests which time out will be retried twice by default.
Default Headers
We automatically send the following headers with all requests.
Header | Value |
---|---|
My-Api-Version |
11 |
X-Enable-Metrics |
1 |
If you need to, you can override these headers by setting default headers per-request or on the client object.
from sink import Sink
sink = Sink(
default_headers={"My-Api-Version": My - Custom - Value},
username="Robert",
)
Advanced: Configuring custom URLs, proxies, and transports
You can configure the following keyword arguments when instantiating the client:
import httpx
from sink import Sink
sink = Sink(
# Use a custom base URL
base_url="http://my.test.server.example.com:8083",
proxies="http://my.test.proxy.example.com",
transport=httpx.HTTPTransport(local_address="0.0.0.0"),
username="Robert",
)
See the httpx documentation for information about the proxies
and transport
keyword arguments.
Status
This package is in beta. Its internals and interfaces are not stable and subject to change without a major semver bump; please reach out if you rely on any undocumented behavior.
We are keen for your feedback; please email us at dev@stainlessapi.com or open an issue with questions, bugs, or suggestions.
Requirements
Python 3.7 or higher.
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