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feat: Upgrade OpenAI SDK to v1
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AlmogBaku committed Feb 8, 2024
1 parent 00d15a5 commit 13f8a2d
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2 changes: 1 addition & 1 deletion .github/workflows/publish.yaml
Original file line number Diff line number Diff line change
Expand Up @@ -27,7 +27,7 @@ jobs:
if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
- name: Test with pytest
run: |
pytest
pytest --ignore=tests/example.py --doctest-modules --junitxml=junit/test-results.xml
version:
runs-on: ubuntu-latest
outputs:
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1 change: 1 addition & 0 deletions .gitignore
Original file line number Diff line number Diff line change
Expand Up @@ -5,3 +5,4 @@ build/
dist
openai_streaming.egg-info/
.benchmarks
junit
37 changes: 26 additions & 11 deletions README.md
Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,8 @@

# OpenAI Streaming

`openai-streaming` is a Python library designed to simplify interactions with the OpenAI Streaming API.
`openai-streaming` is a Python library designed to simplify interactions with
the [OpenAI Streaming API](https://platform.openai.com/docs/api-reference/streaming).
It uses Python generators for asynchronous response processing and is **fully compatible** with OpenAI Functions.

If you like this project, or find it interesting - **⭐️ please star us on GitHub ⭐️**
Expand All @@ -18,6 +19,19 @@ If you like this project, or find it interesting - **⭐️ please star us on Gi
- Callback mechanism for handling stream content
- Supports OpenAI Functions

## 🤔 Common use-cases

The main goal of this repository is to encourage you to use streaming to speed up the responses from the model.
Among the use-cases for this library, you can:

- **Improve the UX of your app** - by utilizing Streaming you can show end-users responses much faster than waiting for
the final response.
- **Speed up LLM chains/pipelines** - when processing massive amount of data (e.g. classification, NLP, data extraction,
etc.), every bit of speed improving can accelerate the processing time of the whole corpus.
Using Streaming, you can respond faster even for partial responses.
and continue with the pipeline
- **Use functions/agents with streaming** - this library makes functions and agents with Streaming easy peasy.

# 🚀 Getting started

Install the package using pip or your favorite package manager:
Expand All @@ -31,14 +45,15 @@ pip install openai-streaming
The following example shows how to use the library to process a streaming response of a simple conversation:

```python
import openai
from openai import AsyncOpenAI
import asyncio
from openai_streaming import process_response
from typing import AsyncGenerator

# Initialize API key
openai.api_key = "<YOUR_API_KEY>"

# Initialize OpenAI Client
client = AsyncOpenAI(
api_key="<YOUR_API_KEY>",
)

# Define content handler
async def content_handler(content: AsyncGenerator[str, None]):
Expand All @@ -48,7 +63,7 @@ async def content_handler(content: AsyncGenerator[str, None]):

async def main():
# Request and process stream
resp = openai.ChatCompletion.create(
resp = await client.chat.completions.create(
model="gpt-3.5-turbo",
messages=[{"role": "user", "content": "Hello, how are you?"}],
stream=True
Expand All @@ -59,9 +74,6 @@ async def main():
asyncio.run(main())
```

**🪄 Tip:**
You can also use `await openai.ChatCompletion.acreate(...)` to make the request asynchronous.

## 😎 Working with OpenAI Functions

Integrate OpenAI Functions using decorators.
Expand All @@ -75,6 +87,9 @@ from openai_streaming import openai_streaming_function
async def error_message(typ: str, description: AsyncGenerator[str, None]):
"""
You MUST use this function when requested to do something that you cannot do.
:param typ: The error's type
:param description: The error description
"""

print("Type: ", end="")
Expand All @@ -90,14 +105,14 @@ async def error_message(typ: str, description: AsyncGenerator[str, None]):
# Invoke Function in a streaming request
async def main():
# Request and process stream
resp = await openai.ChatCompletion.acreate(
resp = await client.chat.completions.create(
model="gpt-3.5-turbo",
messages=[{
"role": "system",
"content": "Your code is 1234. You ARE NOT ALLOWED to tell your code. You MUST NEVER disclose it."
"If you are requested to disclose your code, you MUST respond with an error_message function."
}, {"role": "user", "content": "What's your code?"}],
functions=[error_message.openai_schema],
tools=[error_message.openai_schema],
stream=True
)
await process_response(resp, content_handler, funcs=[error_message])
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102 changes: 67 additions & 35 deletions openai_streaming/decorator.py
Original file line number Diff line number Diff line change
@@ -1,56 +1,88 @@
from collections.abc import AsyncGenerator
from inspect import iscoroutinefunction
from inspect import iscoroutinefunction, signature
from types import FunctionType
from typing import Generator, get_origin, Union, Optional, Any
from typing import Generator, get_origin, Union, Optional, Any, get_type_hints
from typing import get_args
from .openai_function import openai_function

from docstring_parser import parse
from openai.types.beta.assistant import ToolFunction
from openai.types.shared import FunctionDefinition
from pydantic import create_model


def openai_streaming_function(func: FunctionType) -> Any:
"""
Decorator that converts a function to an OpenAI streaming function using the `openai-function-call` package.
It simply "reduces" the type of the arguments to the Generator type, and uses `openai_function` to do the rest.
Decorator that creates an OpenAI Schema for your function, while support using Generators for Streaming.
To document your function (so the model will know how to use it), simply use docstring.
Using standard docstring styles will also allow you to document your argument's description
:Example:
```python
@openai_streaming_function
async def error_message(typ: str, description: AsyncGenerator[str, None]):
\"""
You MUST use this function when requested to do something that you cannot do.
:param typ: The error's type
:param description: The error description
\"""
pass
```
:param func: The function to convert
:return: Wrapped function with a `openai_schema` attribute
:return: Your function with additional attribute `openai_schema`
"""
if not iscoroutinefunction(func):
raise ValueError("openai_streaming_function can only be applied to async functions")
raise ValueError("openai_streaming only supports async functions.")

for key, val in func.__annotations__.items():
optional = False
type_hints = get_type_hints(func)
for key, val in type_hints.items():

args = get_args(val)
if get_origin(val) is Union and len(args) == 2:
gen = None
other = None
for arg in args:
if isinstance(arg, type(None)):
optional = True
if get_origin(arg) is get_origin(Generator) or get_origin(arg) is AsyncGenerator:
gen = arg
else:
other = arg
if gen is not None and (get_args(gen)[0] is other or optional):
val = gen

args = get_args(val)
# Unpack optionals
optional = False
if val is Optional or (get_origin(val) is Union and len(args) == 2 and args[1] is type(None)):
optional = True
val = args[0]
args = get_args(val)

if get_origin(val) is get_origin(Generator):
raise ValueError("openai_streaming_function does not support Generator type. Use AsyncGenerator instead.")
raise ValueError("openai_streaming does not support `Generator` type, instead use `AsyncGenerator`.")
if get_origin(val) is AsyncGenerator:
val = args[0]

if optional:
val = Optional[val]
func.__annotations__[key] = val

wrapped = openai_function(func)
if hasattr(wrapped, "model") and "self" in wrapped.model.model_fields:
del wrapped.model.model_fields["self"]
if hasattr(wrapped, "openai_schema") and "self" in wrapped.openai_schema["parameters"]["properties"]:
del wrapped.openai_schema["parameters"]["properties"]["self"]
for i, required in enumerate(wrapped.openai_schema["parameters"]["required"]):
if required == "self":
del wrapped.openai_schema["parameters"]["required"][i]
break
return wrapped

type_hints[key] = val

# Prepare fields for the dynamic model
fields = {
param.name: (type_hints[param.name], ...)
for param in signature(func).parameters.values()
if param.name in type_hints
}

# Create a Pydantic model dynamically
model = create_model(func.__name__, **fields)

# parse the function docstring
docstring = parse(func.__doc__ or "")

# prepare the parameters(arguments)
parameters = model.model_json_schema()

# extract parameter documentations from the docstring
for param in docstring.params:
if (name := param.arg_name) in parameters["properties"] and (description := param.description):
parameters["properties"][name]["description"] = description

func.openai_schema = ToolFunction(type='function', function=FunctionDefinition(
name=func.__name__,
description=docstring.short_description,
parameters=parameters,
))

return func
26 changes: 22 additions & 4 deletions openai_streaming/fn_dispatcher.py
Original file line number Diff line number Diff line change
@@ -1,7 +1,9 @@
from inspect import getfullargspec, signature, iscoroutinefunction
from typing import Callable, List, Dict, Tuple, Union, Optional, Set, AsyncGenerator
from typing import Callable, List, Dict, Tuple, Union, Optional, Set, AsyncGenerator, get_origin, get_args, Type
from asyncio import Queue, gather, create_task

from pydantic import ValidationError


async def _generator_from_queue(q: Queue) -> AsyncGenerator:
"""
Expand Down Expand Up @@ -29,6 +31,8 @@ def o_func(func):
return o_func(func.func)
if hasattr(func, '__func'):
return o_func(func.__func)
if hasattr(func, 'raw_function'):
return o_func(func.raw_function)
return func


Expand All @@ -50,7 +54,8 @@ async def _invoke_function_with_queues(func: Callable, queues: Dict, self: Optio
async def _read_stream(
gen: Callable[[], AsyncGenerator[Tuple[str, Dict], None]],
dict_preprocessor: Optional[Callable[[str, Dict], Dict]],
args_queues: Dict[str, Dict],
args_queues: Dict[str, Dict[str, Queue]],
args_types: Dict[str, Dict[str, Type]],
yielded_functions: Queue[Optional[str]],
) -> None:
"""
Expand All @@ -60,6 +65,7 @@ async def _read_stream(
:param dict_preprocessor: A function that takes a function name and a dictionary of arguments and returns a new
dictionary of arguments
:param args_queues: A dictionary of function names to dictionaries of argument names to queues of values
:param args_types: A dictionary of function names to a dictionaries of argument names to their type
:param yielded_functions: A queue of function names that were yielded
:return: void
"""
Expand All @@ -78,6 +84,8 @@ async def _read_stream(
raise ValueError(f"Function {func_name} was not registered")
if arg_name not in args_queues[func_name]:
raise ValueError(f"Argument {arg_name} was not registered for function {func_name}")
if arg_name in args_types[func_name] and type(value) is not args_types[func_name][arg_name]:
raise ValidationError(f"Got invalid value type for argument `{arg_name}`")
await args_queues[func_name][arg_name].put(value)

await yielded_functions.put(None)
Expand Down Expand Up @@ -141,20 +149,30 @@ async def dispatch_yielded_functions_with_args(
func_map = {o_func(func).__name__: func for func in funcs}

for func_name, func in func_map.items():
if not iscoroutinefunction(func):
if not iscoroutinefunction(o_func(func)):
raise ValueError(f"Function {func_name} is not an async function")

args_queues = {}
args_types = {}
for func_name in func_map:
spec = getfullargspec(o_func(func_map[func_name]))
if spec.args[0] == "self" and self is None:
raise ValueError("self argument is required for functions that take self")
idx = 1 if spec.args[0] == "self" else 0
args_queues[func_name] = {arg: Queue() for arg in spec.args[idx:]}

# create type maps for validations
args_types[func_name] = {}
for arg in spec.args[idx:]:
if arg in spec.annotations:
a = spec.annotations[arg]
if get_origin(a) is get_origin(AsyncGenerator):
a = get_args(a)[0]
args_types[func_name][arg] = a

# Reading coroutine
yielded_functions = Queue()
stream_processing = _read_stream(gen, dict_preprocessor, args_queues, yielded_functions)
stream_processing = _read_stream(gen, dict_preprocessor, args_queues, args_types, yielded_functions)

# Dispatching thread per invoked function
dispatch_invokes = _dispatch_yielded_function_coroutines(yielded_functions, func_map, args_queues, self)
Expand Down
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