move examples from playground to modules

tasks/imagegeneration_sdxl.py

@@ -1,12 +1,18 @@
 import json
+import os
 from multiprocessing.pool import ThreadPool
+from pathlib import Path
+
+import dotenv
 
 from backends.nova_server import check_nova_server_status, send_request_to_nova_server
 from interfaces.dvmtaskinterface import DVMTaskInterface
 from utils.admin_utils import AdminConfig
+from utils.backend_utils import keep_alive
 from utils.dvmconfig import DVMConfig
-from utils.nip89_utils import NIP89Config
+from utils.nip89_utils import NIP89Config, check_and_set_d_tag
 from utils.definitions import EventDefinitions
+from utils.nostr_utils import check_and_set_private_key
 
 """
 This File contains a Module to transform Text input on NOVA-Server and receive results back. 
@@ -51,7 +57,7 @@ class ImageGenerationSDXL(DVMTaskInterface):
 
         prompt = ""
         negative_prompt = ""
-        if self.options.get("default_model"):
+        if self.options.get("default_model") and self.options.get("default_model") != "":
             model = self.options['default_model']
         else:
             model = "stabilityai/stable-diffusion-xl-base-1.0"
@@ -60,7 +66,7 @@ class ImageGenerationSDXL(DVMTaskInterface):
         ratio_height = "1"
         width = ""
         height = ""
-        if self.options.get("default_lora"):
+        if self.options.get("default_lora") and self.options.get("default_lora") != "":
             lora = self.options['default_lora']
         else:
             lora = ""
@@ -155,3 +161,58 @@ class ImageGenerationSDXL(DVMTaskInterface):
 
         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="stabilityai/stable-diffusion-xl"
+                                                                                   "-base-1.0", default_lora=""):
+    dvm_config = DVMConfig()
+    dvm_config.PRIVATE_KEY = check_and_set_private_key(identifier)
+    dvm_config.LNBITS_INVOICE_KEY = ""  # This one will not use Lnbits to create invoices, but rely on zaps
+    dvm_config.LNBITS_URL = ""
+
+    # A module might have options it can be initialized with, here we set a default model, and the nova-server
+    # address it should use. These parameters can be freely defined in the task component
+    options = {'default_model': default_model, 'default_lora': default_lora, 'nova_server': server_address}
+
+    nip90params = {
+        "negative_prompt": {
+            "required": False,
+            "values": []
+        },
+        "ratio": {
+            "required": False,
+            "values": ["1:1", "4:3", "16:9", "3:4", "9:16", "10:16"]
+        }
+    }
+    nip89info = {
+        "name": name,
+        "image": "https://image.nostr.build/c33ca6fc4cc038ca4adb46fdfdfda34951656f87ee364ef59095bae1495ce669.jpg",
+        "about": "I draw images based on a prompt with a Model called unstable diffusion",
+        "nip90Params": nip90params
+    }
+    nip89config = NIP89Config()
+    nip89config.DTAG = nip89config.DTAG = check_and_set_d_tag(identifier, name, dvm_config.PRIVATE_KEY,
+                                                              nip89info["image"])
+    nip89config.CONTENT = json.dumps(nip89info)
+    return ImageGenerationSDXL(name=name, dvm_config=dvm_config, nip89config=nip89config,
+                               admin_config=admin_config, options=options)
+
+
+if __name__ == '__main__':
+    env_path = Path('.env')
+    if env_path.is_file():
+        print(f'loading environment from {env_path.resolve()}')
+        dotenv.load_dotenv(env_path, verbose=True, override=True)
+    else:
+        raise FileNotFoundError(f'.env file not found at {env_path} ')
+
+    admin_config = AdminConfig()
+    admin_config.REBROADCAST_NIP89 = False
+    admin_config.UPDATE_PROFILE = False
+    admin_config.LUD16 = ""
+    dvm = build_example("Unstable Diffusion", "unstable_diffusion", admin_config, os.getenv("NOVA_SERVER"), "stabilityai/stable-diffusion-xl", "")
+    dvm.run()
+
+    keep_alive()