nostrdvm/nostr_dvm/tasks/imagegeneration_sd35_api.py

296 lines
10 KiB
Python

import json
import os
import time
from io import BytesIO
import requests
from PIL import Image
from nostr_sdk import Kind
from nostr_dvm.interfaces.dvmtaskinterface import DVMTaskInterface, process_venv
from nostr_dvm.utils.admin_utils import AdminConfig
from nostr_dvm.utils.definitions import EventDefinitions
from nostr_dvm.utils.dvmconfig import DVMConfig, build_default_config
from nostr_dvm.utils.nip88_utils import NIP88Config
from nostr_dvm.utils.nip89_utils import NIP89Config, check_and_set_d_tag
from nostr_dvm.utils.output_utils import upload_media_to_hoster
"""
This File contains a module to transform Text input on stabity AI API
Accepted Inputs: Prompt (text)
Outputs: An url to an Image
"""
#STABILITY_KEY = os.getenv("STABILITY_KEY")
class ImageGenerationSD35(DVMTaskInterface):
KIND: Kind = EventDefinitions.KIND_NIP90_GENERATE_IMAGE
TASK: str = "text-to-image"
FIX_COST: float = 50
def __init__(self, name, dvm_config: DVMConfig, nip89config: NIP89Config, nip88config: NIP88Config = None,
admin_config: AdminConfig = None,
options=None, task=None):
super().__init__(name, dvm_config, nip89config, nip88config, admin_config, options, task)
if options is not None:
self.STABILITY_KEY = options["API_KEY"]
async def init_dvm(self, name, dvm_config: DVMConfig, nip89config: NIP89Config, nip88config: NIP88Config = None,
admin_config: AdminConfig = None, options=None):
dvm_config.SCRIPT = os.path.abspath(__file__)
async def is_input_supported(self, tags, client=None, dvm_config=None):
for tag in tags:
if tag.as_vec()[0] == 'i':
input_value = tag.as_vec()[1]
input_type = tag.as_vec()[2]
if input_type != "text":
return False
elif tag.as_vec()[0] == 'output':
output = tag.as_vec()[1]
if (output == "" or
not (output == "image/png" or "image/jpg"
or output == "image/png;format=url" or output == "image/jpg;format=url")):
print("Output format not supported, skipping..")
return False
return True
async def create_request_from_nostr_event(self, event, client=None, dvm_config=None):
request_form = {"jobID": event.id().to_hex() + "_" + self.NAME.replace(" ", "")}
prompt = ""
negative_prompt = ""
if self.options.get("default_model") and self.options.get("default_model") != "":
model = self.options['default_model']
else:
model = "sd3" #ultra
ratio_width = "4"
ratio_height = "5"
width = ""
height = ""
seed = "0"
if self.options.get("default_lora") and self.options.get("default_lora") != "":
lora = self.options['default_lora']
else:
lora = ""
lora_weight = ""
strength = ""
guidance_scale = ""
for tag in event.tags().to_vec():
if tag.as_vec()[0] == 'i':
input_type = tag.as_vec()[2]
if input_type == "text":
prompt = tag.as_vec()[1]
elif tag.as_vec()[0] == 'param':
print("Param: " + tag.as_vec()[1] + ": " + tag.as_vec()[2])
if tag.as_vec()[1] == "negative_prompt":
negative_prompt = tag.as_vec()[2]
elif tag.as_vec()[1] == "ratio":
if len(tag.as_vec()) > 3:
ratio_width = (tag.as_vec()[2])
ratio_height = (tag.as_vec()[3])
elif len(tag.as_vec()) == 3:
split = tag.as_vec()[2].split(":")
ratio_width = split[0]
ratio_height = split[1]
# if size is set it will overwrite ratio.
elif tag.as_vec()[1] == "size":
if len(tag.as_vec()) > 3:
width = (tag.as_vec()[2])
height = (tag.as_vec()[3])
elif len(tag.as_vec()) == 3:
split = tag.as_vec()[2].split("x")
if len(split) > 1:
width = split[0]
height = split[1]
elif tag.as_vec()[1] == "model":
model = tag.as_vec()[2]
elif tag.as_vec()[1] == "seed":
seed = tag.as_vec()[2]
options = {
"prompt": prompt,
"negative_prompt": negative_prompt,
"ratio": ratio_width + ':' + ratio_height,
"width": width,
"height": height,
"seed": seed,
"model": model,
}
request_form['options'] = json.dumps(options)
return request_form
def send_async_generation_request(self,
host,
params,
):
headers = {
"Accept": "application/json",
"Authorization": f"Bearer {self.STABILITY_KEY}",
}
# Encode parameters
files = {}
if "image" in params:
image = params.pop("image")
files = {"image": open(image, 'rb')}
# Send request
print(f"Sending REST request to {host}...")
response = requests.post(
host,
headers=headers,
files=files,
data=params
)
if not response.ok:
raise Exception(f"HTTP {response.status_code}: {response.text}")
# Process async response
response_dict = json.loads(response.text)
generation_id = response_dict.get("id", None)
assert generation_id is not None, "Expected id in response"
# Loop until result or timeout
timeout = int(os.getenv("WORKER_TIMEOUT", 500))
start = time.time()
status_code = 202
while status_code == 202:
response = requests.get(
f"{host}/result/{generation_id}",
headers={
**headers,
"Accept": "image/*"
},
)
if not response.ok:
raise Exception(f"HTTP {response.status_code}: {response.text}")
status_code = response.status_code
time.sleep(10)
if time.time() - start > timeout:
raise Exception(f"Timeout after {timeout} seconds")
return response
def send_generation_request(self,
host,
params,
):
headers = {
"Accept": "image/*",
"Authorization": f"Bearer {self.STABILITY_KEY}"
}
# Encode parameters
files = {}
image = params.pop("image", None)
mask = params.pop("mask", None)
if image is not None and image != '':
files["image"] = open(image, 'rb')
if mask is not None and mask != '':
files["mask"] = open(mask, 'rb')
if len(files) == 0:
files["none"] = ''
# Send request
print(f"Sending REST request to {host}...")
response = requests.post(
host,
headers=headers,
files=files,
data=params
)
if not response.ok:
raise Exception(f"HTTP {response.status_code}: {response.text}")
return response
async def process(self, request_form):
try:
options = self.set_options(request_form)
#host = f"https://api.stability.ai/v2beta/stable-image/generate/ultra"
#host = f"https://api.stability.ai/v2beta/stable-image/generate/sd3"
model = "sd3.5-large"
params = {
"prompt": options['prompt'], # "dark high contrast render of a psychedelic tree of life illuminating dust in a mystical cave.",
"negative_prompt": options['negative_prompt'],
"aspect_ratio": options['ratio'],
#"seed": int(options['seed']),
"output_format": "jpeg",
#"model": model,
#"mode": "text-to-image"
}
host = f"https://api.stability.ai/v2beta/stable-image/generate/{options['model']}"
host = f"https://api.stability.ai/v2beta/stable-image/generate/ultra"
response = self.send_generation_request(host, params)
image = Image.open(BytesIO(response.content)).convert("RGB")
image.save("./outputs/image.jpg")
result = await upload_media_to_hoster("./outputs/image.jpg")
return result
except Exception as e:
raise Exception(e)
# We build an example here that we can call by either calling this file directly from the main directory,
# or by adding it to our playground. You can call the example and adjust it to your needs or redefine it in the
# playground or elsewhere
def build_example(name, identifier, admin_config, server_address, default_model="sd3", default_lora=""):
dvm_config = build_default_config(identifier)
dvm_config.USE_OWN_VENV = False
admin_config.LUD16 = dvm_config.LN_ADDRESS
# A module might have options it can be initialized with, here we set a default model, and the server
# address it should use. These parameters can be freely defined in the task component
options = {'default_model': default_model, 'default_lora': default_lora, 'server': server_address}
nip89info = {
"name": name,
"picture": "https://i.nostr.build/NOXcCIPmOZrDTK35.jpg",
"about": "I draw images using Stable diffusion ultra",
"supportsEncryption": True,
"acceptsNutZaps": dvm_config.ENABLE_NUTZAP,
"nip90Params":{
"negative_prompt": {
"required": False,
"values": []
},
"ratio": {
"required": False,
"values": ["1:1", "5:4", "3:2", "16:9", "21:9", "9:21", "9:16", "2:3", "4:5"]
},
"seed": {
"required": False,
"values": []
}
}
}
nip89config = NIP89Config()
nip89config.DTAG = check_and_set_d_tag(identifier, name, dvm_config.PRIVATE_KEY, nip89info["picture"])
nip89config.CONTENT = json.dumps(nip89info)
return ImageGenerationSD35(name=name, dvm_config=dvm_config, nip89config=nip89config,
admin_config=admin_config, options=options)
if __name__ == '__main__':
process_venv(ImageGenerationSD35)