extra networks UI

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

modules/ui_extra_networks.py

@@ -0,0 +1,149 @@
+import os.path
+
+from modules import shared
+import gradio as gr
+import json
+
+from modules.generation_parameters_copypaste import image_from_url_text
+
+extra_pages = []
+
+
+def register_page(page):
+    """registers extra networks page for the UI; recommend doing it in on_app_started() callback for extensions"""
+
+    extra_pages.append(page)
+
+
+class ExtraNetworksPage:
+    def __init__(self, title):
+        self.title = title
+        self.card_page = shared.html("extra-networks-card.html")
+        self.allow_negative_prompt = False
+
+    def refresh(self):
+        pass
+
+    def create_html(self, tabname):
+        items_html = ''
+
+        for item in self.list_items():
+            items_html += self.create_html_for_item(item, tabname)
+
+        if items_html == '':
+            dirs = "".join([f"<li>{x}</li>" for x in self.allowed_directories_for_previews()])
+            items_html = shared.html("extra-networks-no-cards.html").format(dirs=dirs)
+
+        res = "<div class='extra-network-cards'>" + items_html + "</div>"
+
+        return res
+
+    def list_items(self):
+        raise NotImplementedError()
+
+    def allowed_directories_for_previews(self):
+        return []
+
+    def create_html_for_item(self, item, tabname):
+        preview = item.get("preview", None)
+
+        args = {
+            "preview_html": "style='background-image: url(" + json.dumps(preview) + ")'" if preview else '',
+            "prompt": json.dumps(item["prompt"]),
+            "tabname": json.dumps(tabname),
+            "local_preview": json.dumps(item["local_preview"]),
+            "name": item["name"],
+            "allow_negative_prompt": "true" if self.allow_negative_prompt else "false",
+        }
+
+        return self.card_page.format(**args)
+
+
+def intialize():
+    extra_pages.clear()
+
+
+class ExtraNetworksUi:
+    def __init__(self):
+        self.pages = None
+        self.stored_extra_pages = None
+
+        self.button_save_preview = None
+        self.preview_target_filename = None
+
+        self.tabname = None
+
+
+def create_ui(container, button, tabname):
+    ui = ExtraNetworksUi()
+    ui.pages = []
+    ui.stored_extra_pages = extra_pages.copy()
+    ui.tabname = tabname
+
+    with gr.Tabs(elem_id=tabname+"_extra_tabs") as tabs:
+        button_refresh = gr.Button('Refresh', elem_id=tabname+"_extra_refresh")
+        button_close = gr.Button('Close', elem_id=tabname+"_extra_close")
+
+        for page in ui.stored_extra_pages:
+            with gr.Tab(page.title):
+                page_elem = gr.HTML(page.create_html(ui.tabname))
+                ui.pages.append(page_elem)
+
+    ui.button_save_preview = gr.Button('Save preview', elem_id=tabname+"_save_preview", visible=False)
+    ui.preview_target_filename = gr.Textbox('Preview save filename', elem_id=tabname+"_preview_filename", visible=False)
+
+    button.click(fn=lambda: gr.update(visible=True), inputs=[], outputs=[container])
+    button_close.click(fn=lambda: gr.update(visible=False), inputs=[], outputs=[container])
+
+    def refresh():
+        res = []
+
+        for pg in ui.stored_extra_pages:
+            pg.refresh()
+            res.append(pg.create_html(ui.tabname))
+
+        return res
+
+    button_refresh.click(fn=refresh, inputs=[], outputs=ui.pages)
+
+    return ui
+
+
+def path_is_parent(parent_path, child_path):
+    parent_path = os.path.abspath(parent_path)
+    child_path = os.path.abspath(child_path)
+
+    return os.path.commonpath([parent_path]) == os.path.commonpath([parent_path, child_path])
+
+
+def setup_ui(ui, gallery):
+    def save_preview(index, images, filename):
+        if len(images) == 0:
+            print("There is no image in gallery to save as a preview.")
+            return [page.create_html(ui.tabname) for page in ui.stored_extra_pages]
+
+        index = int(index)
+        index = 0 if index < 0 else index
+        index = len(images) - 1 if index >= len(images) else index
+
+        img_info = images[index if index >= 0 else 0]
+        image = image_from_url_text(img_info)
+
+        is_allowed = False
+        for extra_page in ui.stored_extra_pages:
+            if any([path_is_parent(x, filename) for x in extra_page.allowed_directories_for_previews()]):
+                is_allowed = True
+                break
+
+        assert is_allowed, f'writing to {filename} is not allowed'
+
+        image.save(filename)
+
+        return [page.create_html(ui.tabname) for page in ui.stored_extra_pages]
+
+    ui.button_save_preview.click(
+        fn=save_preview,
+        _js="function(x, y, z){console.log(x, y, z); return [selected_gallery_index(), y, z]}",
+        inputs=[ui.preview_target_filename, gallery, ui.preview_target_filename],
+        outputs=[*ui.pages]
+    )