from __future__ import annotations
import re
import asyncio
from ..typing import CreateResult, Messages
from ..base_provider import BaseProvider, ProviderType
system_message = """
You can generate custom images with the DALL-E 3 image generator.
To generate a image with a prompt, do this:
<img data-prompt=\"keywords for the image\">
Don't use images with data uri. It is important to use a prompt instead.
<img data-prompt=\"image caption\">
"""
class CreateImagesProvider(BaseProvider):
def __init__(
self,
provider: ProviderType,
create_images: callable,
create_async: callable,
system_message: str = system_message,
include_placeholder: bool = True
) -> None:
self.provider = provider
self.create_images = create_images
self.create_images_async = create_async
self.system_message = system_message
self.__name__ = provider.__name__
self.working = provider.working
self.supports_stream = provider.supports_stream
self.include_placeholder = include_placeholder
if hasattr(provider, "url"):
self.url = provider.url
def create_completion(
self,
model: str,
messages: Messages,
stream: bool = False,
**kwargs
) -> CreateResult:
messages.insert(0, {"role": "system", "content": self.system_message})
buffer = ""
for chunk in self.provider.create_completion(model, messages, stream, **kwargs):
if buffer or "<" in chunk:
buffer += chunk
if ">" in buffer:
match = re.search(r'<img data-prompt="(.*?)">', buffer)
if match:
placeholder, prompt = match.group(0), match.group(1)
start, append = buffer.split(placeholder, 1)
if start:
yield start
if self.include_placeholder:
yield placeholder
yield from self.create_images(prompt)
if append:
yield append
else:
yield buffer
buffer = ""
else:
yield chunk
async def create_async(
self,
model: str,
messages: Messages,
**kwargs
) -> str:
messages.insert(0, {"role": "system", "content": self.system_message})
response = await self.provider.create_async(model, messages, **kwargs)
matches = re.findall(r'(<img data-prompt="(.*?)">)', result)
results = []
for _, prompt in matches:
results.append(self.create_images_async(prompt))
results = await asyncio.gather(*results)
for idx, result in enumerate(results):
placeholder = matches[idx][0]
if self.include_placeholder:
result = placeholder + result
response = response.replace(placeholder, result)
return result
