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openaiAPI.py
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openaiAPI.py
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import os
import io, base64
import random
import string
import time
from dotenv import load_dotenv
from openai import OpenAI
from random import randint
from PIL import Image
from threading import Lock
load_dotenv()
###############################################################################################
# openAI
###############################################################################################
_openai_key = os.environ.get("OPENAI_KEY")
_openai_model = "gpt-4o-mini-2024-07-18"
_openai_client = OpenAI(api_key=_openai_key)
_openai_model_tts = "tts-1"
_openai_model_image_model = "dall-e-3"
_openai_model_image_resolution = "1792x1024"
_openai_model_image_quality = "hd"
_api_prices = {
"per_token_input": 0.00000015,
"per_token_output": 0.0000006,
"text_to_speech_per_character": 0.000015,
"image_generation": 0.120,
}
# Allow multi-threading calls
API_MAX_BATCH_IMAGES = 5
API_MAX_BATCH_SPEECHES = 5
API_BATCH_DELAY = 60 # seconds
# Add a delay to API request to avoid rate limiting
# (+ recommended: set API_MAX_BATCH_IMAGES and API_MAX_BATCH_SPEECHES to 1)
API_REQUEST_DELAY = 0 # seconds
###############################################################################################
# Query OpenAI Chat
###############################################################################################
def query_openai(messages: list, temperature=0.0) -> str:
"""
Query the OpenAI API with the current conversation.
Args:
messages (dict): The message history to query
temperature (float): The temperature to use for the query (0 to 2 range)
output_format (class): The output format to use for the query
"""
time.sleep(API_REQUEST_DELAY)
response: dict = _openai_client.chat.completions.create(
messages=messages,
model=_openai_model,
temperature=temperature,
seed=randint(0, 1000000),
).model_dump()
# Save usage
openai_add_usage(response["usage"])
return response["choices"][0]["message"]["content"]
###############################################################################################
# Query OpenAI Text to Speech
###############################################################################################
speech_dir_checking_lock = Lock()
def query_openai_tts(text: str, working_folder: str = "out") -> str:
"""
Query the OpenAI API with the current conversation.
Args:
text (str): The text to convert to speech
working_folder (str): The working folder to save the speech
"""
time.sleep(API_REQUEST_DELAY)
openai_add_text_to_speech_usage(len(text))
filename = (
f"{working_folder}/tts_"
+ "".join(random.choices(string.ascii_letters + string.digits, k=6))
+ ".mp3"
)
with speech_dir_checking_lock:
os.makedirs(os.path.dirname(filename), exist_ok=True)
with _openai_client.audio.speech.with_streaming_response.create(
model=_openai_model_tts,
voice="nova",
input=text,
) as response:
response.stream_to_file(filename)
print("Text to speech saved to {}".format(filename))
return filename
###############################################################################################
# Query OpenAI Image Generation
###############################################################################################
image_dir_checking_lock = Lock()
def query_openai_image_generation(
prompt: str, style="vivid", working_folder: str = "out"
) -> str:
"""
Generate an image using the OpenAI API.
Args:
prompt (str): The prompt to generate the image
style (str): The style of the image (standard or vivid)
working_folder (str): The working folder to save the image
Returns:
str: file path of the generated image
"""
if prompt is None:
return None
time.sleep(API_REQUEST_DELAY)
response = _openai_client.images.generate(
model=_openai_model_image_model,
prompt=prompt,
size=_openai_model_image_resolution,
quality=_openai_model_image_quality,
style=style,
response_format="b64_json",
n=1,
)
openai_add_image_generation(1)
image_obj = response.data[0].b64_json
image_obj = Image.open(io.BytesIO(base64.b64decode(image_obj)))
filename = (
f"{working_folder}/"
+ "".join(random.choices(string.ascii_letters + string.digits, k=6))
+ ".jpg"
)
with image_dir_checking_lock:
os.makedirs(os.path.dirname(filename), exist_ok=True)
image_obj.save(filename, quality=100, subsampling=0)
print("Image saved to {}".format(filename))
return filename
###############################################################################################
# OpenAI Usage
###############################################################################################
_usage_dict = {
"total_input_tokens": 0,
"total_output_tokens": 0,
"text_to_speech_characters": 0,
"generated_images": 0,
"estimated_cost": 0.0,
}
chat_completion_lock = Lock()
text_to_speech_lock = Lock()
image_generation_lock = Lock()
def openai_add_usage(usage: dict) -> None:
with chat_completion_lock:
_usage_dict["total_input_tokens"] += usage["prompt_tokens"]
_usage_dict["total_output_tokens"] += usage["completion_tokens"]
_usage_dict["estimated_cost"] += (
usage["prompt_tokens"] * _api_prices["per_token_input"]
+ usage["completion_tokens"] * _api_prices["per_token_output"]
)
def openai_add_text_to_speech_usage(characters_number: int) -> None:
with text_to_speech_lock:
_usage_dict["text_to_speech_characters"] += characters_number
_usage_dict["estimated_cost"] += (
characters_number * _api_prices["text_to_speech_per_character"]
)
def openai_add_image_generation(image_number: int) -> None:
with image_generation_lock:
_usage_dict["generated_images"] += image_number
_usage_dict["estimated_cost"] += image_number * _api_prices["image_generation"]
def openai_show_usage() -> None:
print("############################################")
print("OpenAI Usage:")
print("Total input tokens: {}".format(_usage_dict["total_input_tokens"]))
print("Total output tokens: {}".format(_usage_dict["total_output_tokens"]))
print(
"Text to speech characters: {}".format(_usage_dict["text_to_speech_characters"])
)
print("Generated images: {}".format(_usage_dict["generated_images"]))
print("Estimated cost: ${}".format(_usage_dict["estimated_cost"]))
print("############################################")