extra networks UI

rework of hypernets: rather than via settings, hypernets are added directly to prompt as <hypernet:name:weight>

modules/ui_extra_networks_textual_inversion.py

@@ -0,0 +1,32 @@
+import os
+
+from modules import ui_extra_networks, sd_hijack
+
+
+class ExtraNetworksPageTextualInversion(ui_extra_networks.ExtraNetworksPage):
+    def __init__(self):
+        super().__init__('Textual Inversion')
+        self.allow_negative_prompt = True
+
+    def refresh(self):
+        sd_hijack.model_hijack.embedding_db.load_textual_inversion_embeddings(force_reload=True)
+
+    def list_items(self):
+        for embedding in sd_hijack.model_hijack.embedding_db.word_embeddings.values():
+            path, ext = os.path.splitext(embedding.filename)
+            preview_file = path + ".preview.png"
+
+            preview = None
+            if os.path.isfile(preview_file):
+                preview = "./file=" + preview_file.replace('\\', '/') + "?mtime=" + str(os.path.getmtime(preview_file))
+
+            yield {
+                "name": embedding.name,
+                "filename": embedding.filename,
+                "preview": preview,
+                "prompt": embedding.name,
+                "local_preview": path + ".preview.png",
+            }
+
+    def allowed_directories_for_previews(self):
+        return list(sd_hijack.model_hijack.embedding_db.embedding_dirs)