Multi-prompting

pip install stability-sdk

import os
import io
import warnings
from PIL import Image
from stability_sdk import client
import stability_sdk.interfaces.gooseai.generation.generation_pb2 as generation

# Our Host URL should not be prepended with "https" nor should it have a trailing slash.
os.environ['STABILITY_HOST'] = 'grpc.stability.ai:443'

# Sign up for an account at the following link to get an API Key.
# https://platform.stability.ai/

# Click on the following link once you have created an account to be taken to your API Key.
# https://platform.stability.ai/account/keys

# Paste your API Key below.

os.environ['STABILITY_KEY'] = 'key-goes-here'

# Set up our connection to the API.
stability_api = client.StabilityInference(
    key=os.environ['STABILITY_KEY'], # API Key reference.
    verbose=True, # Print debug messages.
    engine="stable-diffusion-xl-1024-v1-0", # Set the engine to use for generation.
    # Check out the following link for a list of available engines: https://platform.stability.ai/docs/features/api-parameters#engine
)

answers = stability_api.generate(
    prompt="beautiful night sky above japanese town, anime style",
    seed=1229080980, # If a seed is provided, the resulting generated image will be deterministic.
                     # What this means is that as long as all generation parameters remain the same, you can always recall the same image simply by generating it again.
                     # Note: This isn't quite the case for CLIP Guided generations, which we tackle in the CLIP Guidance documentation.
    steps=50, # Amount of inference steps performed on image generation. Defaults to 30.
    cfg_scale=8.0, # Influences how strongly your generation is guided to match your prompt.
                   # Setting this value higher increases the strength in which it tries to match your prompt.
                   # Defaults to 7.0 if not specified.
    width=1024, # Generation width, if not included defaults to 512 or 1024 depending on the engine.
    height=1024, # Generation height, if not included defaults to 512 or 1024 depending on the engine.
    samples=1, # Number of images to generate, defaults to 1 if not included.
    sampler=generation.SAMPLER_K_DPMPP_2M # Choose which sampler we want to denoise our generation with.
                                                 # Defaults to k_dpmpp_2m if not specified. Clip Guidance only supports ancestral samplers.
                                                 # (Available Samplers: ddim, plms, k_euler, k_euler_ancestral, k_heun, k_dpm_2, k_dpm_2_ancestral, k_dpmpp_2s_ancestral, k_lms, k_dpmpp_2m, k_dpmpp_sde)
)

# Set up our warning to print to the console if the adult content classifier is tripped.
# If adult content classifier is not tripped, save generated images.
for resp in answers:
    for artifact in resp.artifacts:
        if artifact.finish_reason == generation.FILTER:
            warnings.warn(
                "Your request activated the API's safety filters and could not be processed."
                "Please modify the prompt and try again.")
        if artifact.type == generation.ARTIFACT_IMAGE:
            img = Image.open(io.BytesIO(artifact.binary))
            img.save(str(artifact.seed)+ ".png") # Save our generated images with their seed number as the filename.

# Note: With multi-prompting, we can provide each prompt a specific weight. Negative weights are used to prompt the model to avoid certain concepts.
# Prompts with token lengths beyond 77 will be truncated. Default prompt weight is 1 if not specified.
answers = stability_api.generate(
    prompt= [generation.Prompt(text="beautiful night sky above japanese town, anime style",parameters=generation.PromptParameters(weight=1)),
    generation.Prompt(text="clouds",parameters=generation.PromptParameters(weight=-1))],
    # In the example above we are negative prompting clouds out of the initial concept.
    # When determining prompt weights, the total possible range is [-10, 10] but we recommend staying within the range of [-2, 2].
    seed=1229080980, # If a seed is provided, the resulting generated image will be deterministic.
                    # What this means is that as long as all generation parameters remain the same, you can always recall the same image simply by generating it again.
                    # Note: This is only true for non-CLIP Guided generations.
    steps=50, # Amount of inference steps performed on image generation. Defaults to 30.
    cfg_scale=8.0, # Influences how strongly your generation is guided to match your prompt.
                   # Setting this value higher increases the strength in which it tries to match your prompt.
                   # Defaults to 7.0 if not specified.
    width=1024, # Generation width, if not included defaults to 512 or 1024 depending on the engine.
    height=1024, # Generation height, if not included defaults to 512 or 1024 depending on the engine.
    samples=1, # Number of images to generate, defaults to 1 if not included.
    sampler=generation.SAMPLER_K_DPMPP_2M # Choose which sampler we want to denoise our generation with.
                                                 # Defaults to k_dpmpp_2m if not specified. Clip Guidance only supports ancestral samplers.
                                                 # (Available Samplers: ddim, plms, k_euler, k_euler_ancestral, k_heun, k_dpm_2, k_dpm_2_ancestral, k_dpmpp_2s_ancestral, k_lms, k_dpmpp_2m, k_dpmpp_sde)
)

# Set up our warning to print to the console if the adult content classifier is tripped.
# If adult content classifier is not tripped, save generated images.
for resp in answers:
    for artifact in resp.artifacts:
        if artifact.finish_reason == generation.FILTER:
            warnings.warn(
                "Your request activated the API's safety filters and could not be processed."
                "Please modify the prompt and try again.")
        if artifact.type == generation.ARTIFACT_IMAGE:
            img = Image.open(io.BytesIO(artifact.binary))
            img.save(str(artifact.seed)+ ".png") # Save our generated images with their seed number as the filename.