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Description:

lifebloom 0.1.0a1

Lifebloom Python API library

The Lifebloom Python library provides convenient access to the Lifebloom REST API from any Python 3.7+
application. The library includes type definitions for all request params and response fields,
and offers both synchronous and asynchronous clients powered by httpx.
It is generated with Stainless.
Documentation
The REST API documentation can be found on docs.lifebloom.com. The full API of this library can be found in api.md.
Installation
# install from this staging repo
pip install git+ssh://git@github.com/stainless-sdks/lifebloom-python.git

[!NOTE]
Once this package is published to PyPI, this will become: pip install --pre lifebloom

Usage
The full API of this library can be found in api.md.
import os
from lifebloom import Lifebloom

client = Lifebloom(
# This is the default and can be omitted
api_key=os.environ.get("LLM_API_KEY"),
provider="My Provider",
)

response = client.thread.create(
thread_input={},
)

While you can provide an api_key keyword argument,
we recommend using python-dotenv
to add LLM_API_KEY="My API Key" to your .env file
so that your API Key is not stored in source control.
Async usage
Simply import AsyncLifebloom instead of Lifebloom and use await with each API call:
import os
import asyncio
from lifebloom import AsyncLifebloom

client = AsyncLifebloom(
# This is the default and can be omitted
api_key=os.environ.get("LLM_API_KEY"),
provider="My Provider",
)

async def main() -> None:
response = await client.thread.create(
thread_input={},
)

asyncio.run(main())

Functionality between the synchronous and asynchronous clients is otherwise identical.
Using types
Nested request parameters are TypedDicts. Responses are Pydantic models which also provide helper methods for things like:

Serializing back into JSON, model.to_json()
Converting to a dictionary, model.to_dict()

Typed requests and responses 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.
Handling errors
When the library is unable to connect to the API (for example, due to network connection problems or a timeout), a subclass of lifebloom.APIConnectionError is raised.
When the API returns a non-success status code (that is, 4xx or 5xx
response), a subclass of lifebloom.APIStatusError is raised, containing status_code and response properties.
All errors inherit from lifebloom.APIError.
import lifebloom
from lifebloom import Lifebloom

client = Lifebloom(
provider="My Provider",
)

try:
client.thread.create(
thread_input={},
)
except lifebloom.APIConnectionError as e:
print("The server could not be reached")
print(e.__cause__) # an underlying Exception, likely raised within httpx.
except lifebloom.RateLimitError as e:
print("A 429 status code was received; we should back off a bit.")
except lifebloom.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 are automatically retried 2 times by default, with a short exponential backoff.
Connection errors (for example, due to a network connectivity problem), 408 Request Timeout, 409 Conflict,
429 Rate Limit, and >=500 Internal errors are all retried by default.
You can use the max_retries option to configure or disable retry settings:
from lifebloom import Lifebloom

# Configure the default for all requests:
client = Lifebloom(
# default is 2
max_retries=0,
provider="My Provider",
)

# Or, configure per-request:
client.with_options(max_retries=5).thread.create(
thread_input={},
)

Timeouts
By default requests time out after 1 minute. You can configure this with a timeout option,
which accepts a float or an httpx.Timeout object:
from lifebloom import Lifebloom

# Configure the default for all requests:
client = Lifebloom(
# 20 seconds (default is 1 minute)
timeout=20.0,
provider="My Provider",
)

# More granular control:
client = Lifebloom(
timeout=httpx.Timeout(60.0, read=5.0, write=10.0, connect=2.0),
provider="My Provider",
)

# Override per-request:
client.with_options(timeout=5.0).thread.create(
thread_input={},
)

On timeout, an APITimeoutError is thrown.
Note that requests that time out are retried twice by default.
Advanced
Logging
We use the standard library logging module.
You can enable logging by setting the environment variable LIFEBLOOM_LOG to debug.
$ export LIFEBLOOM_LOG=debug

How to tell whether None means null or missing
In an API response, a field may be explicitly null, or missing entirely; in either case, its value is None in this library. You can differentiate the two cases with .model_fields_set:
if response.my_field is None:
if 'my_field' not in response.model_fields_set:
print('Got json like {}, without a "my_field" key present at all.')
else:
print('Got json like {"my_field": null}.')

Accessing raw response data (e.g. headers)
The "raw" Response object can be accessed by prefixing .with_raw_response. to any HTTP method call, e.g.,
from lifebloom import Lifebloom

client = Lifebloom(
provider="My Provider",
)
response = client.thread.with_raw_response.create(
thread_input={},
)
print(response.headers.get('X-My-Header'))

thread = response.parse() # get the object that `thread.create()` would have returned
print(thread)

These methods return an APIResponse object.
The async client returns an AsyncAPIResponse with the same structure, the only difference being awaitable methods for reading the response content.
.with_streaming_response
The above interface eagerly reads the full response body when you make the request, which may not always be what you want.
To stream the response body, use .with_streaming_response instead, which requires a context manager and only reads the response body once you call .read(), .text(), .json(), .iter_bytes(), .iter_text(), .iter_lines() or .parse(). In the async client, these are async methods.
with client.thread.with_streaming_response.create(
thread_input={},
) as response:
print(response.headers.get("X-My-Header"))

for line in response.iter_lines():
print(line)

The context manager is required so that the response will reliably be closed.
Making custom/undocumented requests
This library is typed for convenient access to the documented API.
If you need to access undocumented endpoints, params, or response properties, the library can still be used.
Undocumented endpoints
To make requests to undocumented endpoints, you can make requests using client.get, client.post, and other
http verbs. Options on the client will be respected (such as retries) will be respected when making this
request.
import httpx

response = client.post(
"/foo",
cast_to=httpx.Response,
body={"my_param": True},
)

print(response.headers.get("x-foo"))

Undocumented request params
If you want to explicitly send an extra param, you can do so with the extra_query, extra_body, and extra_headers request
options.
Undocumented response properties
To access undocumented response properties, you can access the extra fields like response.unknown_prop. You
can also get all the extra fields on the Pydantic model as a dict with
response.model_extra.
Configuring the HTTP client
You can directly override the httpx client to customize it for your use case, including:

Support for proxies
Custom transports
Additional advanced functionality

from lifebloom import Lifebloom, DefaultHttpxClient

client = Lifebloom(
# Or use the `LIFEBLOOM_BASE_URL` env var
base_url="http://my.test.server.example.com:8083",
http_client=DefaultHttpxClient(
proxies="http://my.test.proxy.example.com",
transport=httpx.HTTPTransport(local_address="0.0.0.0"),
),
provider="My Provider",
)

Managing HTTP resources
By default the library closes underlying HTTP connections whenever the client is garbage collected. You can manually close the client using the .close() method if desired, or with a context manager that closes when exiting.
Versioning
This package generally follows SemVer conventions, though certain backwards-incompatible changes may be released as minor versions:

Changes that only affect static types, without breaking runtime behavior.
Changes to library internals which are technically public but not intended or documented for external use. (Please open a GitHub issue to let us know if you are relying on such internals).
Changes that we do not expect to impact the vast majority of users in practice.

We take backwards-compatibility seriously and work hard to ensure you can rely on a smooth upgrade experience.
We are keen for your feedback; please open an issue with questions, bugs, or suggestions.
Requirements
Python 3.7 or higher.