import functools
import os.path
import urllib.parse
from base64 import b64decode
from io import BytesIO
from pathlib import Path
from typing import Optional, Union
from dataclasses import dataclass
from modules import shared, ui_extra_networks_user_metadata, errors, extra_networks, util
from modules.images import read_info_from_image, save_image_with_geninfo
import gradio as gr
import json
import html
from fastapi.exceptions import HTTPException
from PIL import Image
from modules.infotext_utils import image_from_url_text
extra_pages = []
allowed_dirs = set()
default_allowed_preview_extensions = ["png", "jpg", "jpeg", "webp", "gif"]
@functools.cache
def allowed_preview_extensions_with_extra(extra_extensions=None):
return set(default_allowed_preview_extensions) | set(extra_extensions or [])
def allowed_preview_extensions():
return allowed_preview_extensions_with_extra((shared.opts.samples_format, ))
@dataclass
class ExtraNetworksItem:
"""Wrapper for dictionaries representing ExtraNetworks items."""
item: dict
def get_tree(paths: Union[str, list[str]], items: dict[str, ExtraNetworksItem]) -> dict:
"""Recursively builds a directory tree.
Args:
paths: Path or list of paths to directories. These paths are treated as roots from which
the tree will be built.
items: A dictionary associating filepaths to an ExtraNetworksItem instance.
Returns:
The result directory tree.
"""
if isinstance(paths, (str,)):
paths = [paths]
def _get_tree(_paths: list[str], _root: str):
_res = {}
for path in _paths:
relpath = os.path.relpath(path, _root)
if os.path.isdir(path):
dir_items = os.listdir(path)
# Ignore empty directories.
if not dir_items:
continue
dir_tree = _get_tree([os.path.join(path, x) for x in dir_items], _root)
# We only want to store non-empty folders in the tree.
if dir_tree:
_res[relpath] = dir_tree
else:
if path not in items:
continue
# Add the ExtraNetworksItem to the result.
_res[relpath] = items[path]
return _res
res = {}
# Handle each root directory separately.
# Each root WILL have a key/value at the root of the result dict though
# the value can be an empty dict if the directory is empty. We want these
# placeholders for empty dirs so we can inform the user later.
for path in paths:
root = os.path.dirname(path)
relpath = os.path.relpath(path, root)
# Wrap the path in a list since that is what the `_get_tree` expects.
res[relpath] = _get_tree([path], root)
if res[relpath]:
# We need to pull the inner path out one for these root dirs.
res[relpath] = res[relpath][relpath]
return res
def register_page(page):
"""registers extra networks page for the UI; recommend doing it in on_before_ui() callback for extensions"""
extra_pages.append(page)
allowed_dirs.clear()
allowed_dirs.update(set(sum([x.allowed_directories_for_previews() for x in extra_pages], [])))
def fetch_file(filename: str = ""):
from starlette.responses import FileResponse
if not os.path.isfile(filename):
raise HTTPException(status_code=404, detail="File not found")
if not any(Path(x).absolute() in Path(filename).absolute().parents for x in allowed_dirs):
raise ValueError(f"File cannot be fetched: {filename}. Must be in one of directories registered by extra pages.")
ext = os.path.splitext(filename)[1].lower()[1:]
if ext not in allowed_preview_extensions():
raise ValueError(f"File cannot be fetched: {filename}. Extensions allowed: {allowed_preview_extensions()}.")
# would profit from returning 304
return FileResponse(filename, headers={"Accept-Ranges": "bytes"})
def fetch_cover_images(page: str = "", item: str = "", index: int = 0):
from starlette.responses import Response
page = next(iter([x for x in extra_pages if x.name == page]), None)
if page is None:
raise HTTPException(status_code=404, detail="File not found")
metadata = page.metadata.get(item)
if metadata is None:
raise HTTPException(status_code=404, detail="File not found")
cover_images = json.loads(metadata.get('ssmd_cover_images', {}))
image = cover_images[index] if index < len(cover_images) else None
if not image:
raise HTTPException(status_code=404, detail="File not found")
try:
image = Image.open(BytesIO(b64decode(image)))
buffer = BytesIO()
image.save(buffer, format=image.format)
return Response(content=buffer.getvalue(), media_type=image.get_format_mimetype())
except Exception as err:
raise ValueError(f"File cannot be fetched: {item}. Failed to load cover image.") from err
def get_metadata(page: str = "", item: str = ""):
from starlette.responses import JSONResponse
page = next(iter([x for x in extra_pages if x.name == page]), None)
if page is None:
return JSONResponse({})
metadata = page.metadata.get(item)
if metadata is None:
return JSONResponse({})
metadata = {i:metadata[i] for i in metadata if i != 'ssmd_cover_images'} # those are cover images, and they are too big to display in UI as text
return JSONResponse({"metadata": json.dumps(metadata, indent=4, ensure_ascii=False)})
def get_single_card(page: str = "", tabname: str = "", name: str = ""):
from starlette.responses import JSONResponse
page = next(iter([x for x in extra_pages if x.name == page]), None)
try:
item = page.create_item(name, enable_filter=False)
page.items[name] = item
except Exception as e:
errors.display(e, "creating item for extra network")
item = page.items.get(name)
page.read_user_metadata(item, use_cache=False)
item_html = page.create_item_html(tabname, item, shared.html("extra-networks-card.html"))
return JSONResponse({"html": item_html})
def add_pages_to_demo(app):
app.add_api_route("/sd_extra_networks/thumb", fetch_file, methods=["GET"])
app.add_api_route("/sd_extra_networks/cover-images", fetch_cover_images, methods=["GET"])
app.add_api_route("/sd_extra_networks/metadata", get_metadata, methods=["GET"])
app.add_api_route("/sd_extra_networks/get-single-card", get_single_card, methods=["GET"])
def quote_js(s):
s = s.replace('\\', '\\\\')
s = s.replace('"', '\\"')
return f'"{s}"'
class ExtraNetworksPage:
def __init__(self, title):
self.title = title
self.name = title.lower()
# This is the actual name of the extra networks tab (not txt2img/img2img).
self.extra_networks_tabname = self.name.replace(" ", "_")
self.allow_prompt = True
self.allow_negative_prompt = False
self.metadata = {}
self.items = {}
self.lister = util.MassFileLister()
# HTML Templates
self.pane_tpl = shared.html("extra-networks-pane.html")
self.pane_content_tree_tpl = shared.html("extra-networks-pane-tree.html")
self.pane_content_dirs_tpl = shared.html("extra-networks-pane-dirs.html")
self.card_tpl = shared.html("extra-networks-card.html")
self.btn_tree_tpl = shared.html("extra-networks-tree-button.html")
self.btn_copy_path_tpl = shared.html("extra-networks-copy-path-button.html")
self.btn_metadata_tpl = shared.html("extra-networks-metadata-button.html")
self.btn_edit_item_tpl = shared.html("extra-networks-edit-item-button.html")
def refresh(self):
pass
def read_user_metadata(self, item, use_cache=True):
filename = item.get("filename", None)
metadata = extra_networks.get_user_metadata(filename, lister=self.lister if use_cache else None)
desc = metadata.get("description", None)
if desc is not None:
item["description"] = desc
item["user_metadata"] = metadata
def link_preview(self, filename):
quoted_filename = urllib.parse.quote(filename.replace('\\', '/'))
mtime, _ = self.lister.mctime(filename)
return f"./sd_extra_networks/thumb?filename={quoted_filename}&mtime={mtime}"
def search_terms_from_path(self, filename, possible_directories=None):
abspath = os.path.abspath(filename)
for parentdir in (possible_directories if possible_directories is not None else self.allowed_directories_for_previews()):
parentdir = os.path.dirname(os.path.abspath(parentdir))
if abspath.startswith(parentdir):
return os.path.relpath(abspath, parentdir)
return ""
def create_item_html(
self,
tabname: str,
item: dict,
template: Optional[str] = None,
) -> Union[str, dict]:
"""Generates HTML for a single ExtraNetworks Item.
Args:
tabname: The name of the active tab.
item: Dictionary containing item information.
template: Optional template string to use.
Returns:
If a template is passed: HTML string generated for this item.
Can be empty if the item is not meant to be shown.
If no template is passed: A dictionary containing the generated item's attributes.
"""
preview = item.get("preview", None)
style_height = f"height: {shared.opts.extra_networks_card_height}px;" if shared.opts.extra_networks_card_height else ''
style_width = f"width: {shared.opts.extra_networks_card_width}px;" if shared.opts.extra_networks_card_width else ''
style_font_size = f"font-size: {shared.opts.extra_networks_card_text_scale*100}%;"
card_style = style_height + style_width + style_font_size
background_image = f'' if preview else ''
onclick = item.get("onclick", None)
if onclick is None:
# Don't quote prompt/neg_prompt since they are stored as js strings already.
onclick_js_tpl = "cardClicked('{tabname}', {prompt}, {neg_prompt}, {allow_neg});"
onclick = onclick_js_tpl.format(
**{
"tabname": tabname,
"prompt": item["prompt"],
"neg_prompt": item.get("negative_prompt", "''"),
"allow_neg": str(self.allow_negative_prompt).lower(),
}
)
onclick = html.escape(onclick)
btn_copy_path = self.btn_copy_path_tpl.format(**{"filename": item["filename"]})
btn_metadata = ""
metadata = item.get("metadata")
if metadata:
btn_metadata = self.btn_metadata_tpl.format(
**{
"extra_networks_tabname": self.extra_networks_tabname,
}
)
btn_edit_item = self.btn_edit_item_tpl.format(
**{
"tabname": tabname,
"extra_networks_tabname": self.extra_networks_tabname,
}
)
local_path = ""
filename = item.get("filename", "")
for reldir in self.allowed_directories_for_previews():
absdir = os.path.abspath(reldir)
if filename.startswith(absdir):
local_path = filename[len(absdir):]
# if this is true, the item must not be shown in the default view, and must instead only be
# shown when searching for it
if shared.opts.extra_networks_hidden_models == "Always":
search_only = False
else:
search_only = "/." in local_path or "\\." in local_path
if search_only and shared.opts.extra_networks_hidden_models == "Never":
return ""
sort_keys = " ".join(
[
f'data-sort-{k}="{html.escape(str(v))}"'
for k, v in item.get("sort_keys", {}).items()
]
).strip()
search_terms_html = ""
search_term_template = "{search_term}"
for search_term in item.get("search_terms", []):
search_terms_html += search_term_template.format(
**{
"class": f"search_terms{' search_only' if search_only else ''}",
"search_term": search_term,
}
)
description = (item.get("description", "") or "" if shared.opts.extra_networks_card_show_desc else "")
if not shared.opts.extra_networks_card_description_is_html:
description = html.escape(description)
# Some items here might not be used depending on HTML template used.
args = {
"background_image": background_image,
"card_clicked": onclick,
"copy_path_button": btn_copy_path,
"description": description,
"edit_button": btn_edit_item,
"local_preview": quote_js(item["local_preview"]),
"metadata_button": btn_metadata,
"name": html.escape(item["name"]),
"prompt": item.get("prompt", None),
"save_card_preview": html.escape(f"return saveCardPreview(event, '{tabname}', '{item['local_preview']}');"),
"search_only": " search_only" if search_only else "",
"search_terms": search_terms_html,
"sort_keys": sort_keys,
"style": card_style,
"tabname": tabname,
"extra_networks_tabname": self.extra_networks_tabname,
}
if template:
return template.format(**args)
else:
return args
def create_tree_dir_item_html(
self,
tabname: str,
dir_path: str,
content: Optional[str] = None,
) -> Optional[str]:
"""Generates HTML for a directory item in the tree.
The generated HTML is of the format:
```html
{content}
```
Args:
tabname: The name of the active tab.
dir_path: Path to the directory for this item.
content: Optional HTML string that will be wrapped by this
"
)
def create_tree_file_item_html(self, tabname: str, file_path: str, item: dict) -> str:
"""Generates HTML for a file item in the tree.
The generated HTML is of the format:
```html
```
Args:
tabname: The name of the active tab.
file_path: The path to the file for this item.
item: Dictionary containing the item information.
Returns:
HTML formatted string.
"""
item_html_args = self.create_item_html(tabname, item)
action_buttons = "".join(
[
item_html_args["copy_path_button"],
item_html_args["metadata_button"],
item_html_args["edit_button"],
]
)
action_buttons = f"
"
)
def create_tree_view_html(self, tabname: str) -> str:
"""Generates HTML for displaying folders in a tree view.
Args:
tabname: The name of the active tab.
Returns:
HTML string generated for this tree view.
"""
res = ""
# Setup the tree dictionary.
roots = self.allowed_directories_for_previews()
tree_items = {v["filename"]: ExtraNetworksItem(v) for v in self.items.values()}
tree = get_tree([os.path.abspath(x) for x in roots], items=tree_items)
if not tree:
return res
def _build_tree(data: Optional[dict[str, ExtraNetworksItem]] = None) -> Optional[str]:
"""Recursively builds HTML for a tree.
Args:
data: Dictionary representing a directory tree. Can be NoneType.
Data keys should be absolute paths from the root and values
should be subdirectory trees or an ExtraNetworksItem.
Returns:
If data is not None: HTML string
Else: None
"""
if not data:
return None
# Lists for storing
items html for directories and files separately.
_dir_li = []
_file_li = []
for k, v in sorted(data.items(), key=lambda x: shared.natural_sort_key(x[0])):
if isinstance(v, (ExtraNetworksItem,)):
_file_li.append(self.create_tree_file_item_html(tabname, k, v.item))
else:
_dir_li.append(self.create_tree_dir_item_html(tabname, k, _build_tree(v)))
# Directories should always be displayed before files so we order them here.
return "".join(_dir_li) + "".join(_file_li)
# Add each root directory to the tree.
for k, v in sorted(tree.items(), key=lambda x: shared.natural_sort_key(x[0])):
item_html = self.create_tree_dir_item_html(tabname, k, _build_tree(v))
# Only add non-empty entries to the tree.
if item_html is not None:
res += item_html
return f"
{res}
"
def create_dirs_view_html(self, tabname: str) -> str:
"""Generates HTML for displaying folders."""
subdirs = {}
for parentdir in [os.path.abspath(x) for x in self.allowed_directories_for_previews()]:
for root, dirs, _ in sorted(os.walk(parentdir, followlinks=True), key=lambda x: shared.natural_sort_key(x[0])):
for dirname in sorted(dirs, key=shared.natural_sort_key):
x = os.path.join(root, dirname)
if not os.path.isdir(x):
continue
subdir = os.path.abspath(x)[len(parentdir):]
if shared.opts.extra_networks_dir_button_function:
if not subdir.startswith(os.path.sep):
subdir = os.path.sep + subdir
else:
while subdir.startswith(os.path.sep):
subdir = subdir[1:]
is_empty = len(os.listdir(x)) == 0
if not is_empty and not subdir.endswith(os.path.sep):
subdir = subdir + os.path.sep
if (os.path.sep + "." in subdir or subdir.startswith(".")) and not shared.opts.extra_networks_show_hidden_directories:
continue
subdirs[subdir] = 1
if subdirs:
subdirs = {"": 1, **subdirs}
subdirs_html = "".join([f"""
""" for subdir in subdirs])
return subdirs_html
def create_card_view_html(self, tabname: str, *, none_message) -> str:
"""Generates HTML for the network Card View section for a tab.
This HTML goes into the `extra-networks-pane.html`
with
`id='{tabname}_{extra_networks_tabname}_cards`.
Args:
tabname: The name of the active tab.
none_message: HTML text to show when there are no cards.
Returns:
HTML formatted string.
"""
res = []
for item in self.items.values():
res.append(self.create_item_html(tabname, item, self.card_tpl))
if not res:
dirs = "".join([f"
{x}
" for x in self.allowed_directories_for_previews()])
res = [none_message or shared.html("extra-networks-no-cards.html").format(dirs=dirs)]
return "".join(res)
def create_html(self, tabname, *, empty=False):
"""Generates an HTML string for the current pane.
The generated HTML uses `extra-networks-pane.html` as a template.
Args:
tabname: The name of the active tab.
empty: create an empty HTML page with no items
Returns:
HTML formatted string.
"""
self.lister.reset()
self.metadata = {}
items_list = [] if empty else self.list_items()
self.items = {x["name"]: x for x in items_list}
# Populate the instance metadata for each item.
for item in self.items.values():
metadata = item.get("metadata")
if metadata:
self.metadata[item["name"]] = metadata
if "user_metadata" not in item:
self.read_user_metadata(item)
show_tree = shared.opts.extra_networks_tree_view_default_enabled
page_params = {
"tabname": tabname,
"extra_networks_tabname": self.extra_networks_tabname,
"data_sortdir": shared.opts.extra_networks_card_order,
"sort_path_active": ' extra-network-control--enabled' if shared.opts.extra_networks_card_order_field == 'Path' else '',
"sort_name_active": ' extra-network-control--enabled' if shared.opts.extra_networks_card_order_field == 'Name' else '',
"sort_date_created_active": ' extra-network-control--enabled' if shared.opts.extra_networks_card_order_field == 'Date Created' else '',
"sort_date_modified_active": ' extra-network-control--enabled' if shared.opts.extra_networks_card_order_field == 'Date Modified' else '',
"tree_view_btn_extra_class": "extra-network-control--enabled" if show_tree else "",
"items_html": self.create_card_view_html(tabname, none_message="Loading..." if empty else None),
"extra_networks_tree_view_default_width": shared.opts.extra_networks_tree_view_default_width,
"tree_view_div_default_display_class": "" if show_tree else "extra-network-dirs-hidden",
}
if shared.opts.extra_networks_tree_view_style == "Tree":
pane_content = self.pane_content_tree_tpl.format(**page_params, tree_html=self.create_tree_view_html(tabname))
else:
pane_content = self.pane_content_dirs_tpl.format(**page_params, dirs_html=self.create_dirs_view_html(tabname))
return self.pane_tpl.format(**page_params, pane_content=pane_content)
def create_item(self, name, index=None):
raise NotImplementedError()
def list_items(self):
raise NotImplementedError()
def allowed_directories_for_previews(self):
return []
def get_sort_keys(self, path):
"""
List of default keys used for sorting in the UI.
"""
pth = Path(path)
mtime, ctime = self.lister.mctime(path)
return {
"date_created": int(mtime),
"date_modified": int(ctime),
"name": pth.name.lower(),
"path": str(pth).lower(),
}
def find_preview(self, path):
"""
Find a preview PNG for a given path (without extension) and call link_preview on it.
"""
potential_files = sum([[f"{path}.{ext}", f"{path}.preview.{ext}"] for ext in allowed_preview_extensions()], [])
for file in potential_files:
if self.lister.exists(file):
return self.link_preview(file)
return None
def find_embedded_preview(self, path, name, metadata):
"""
Find if embedded preview exists in safetensors metadata and return endpoint for it.
"""
file = f"{path}.safetensors"
if self.lister.exists(file) and 'ssmd_cover_images' in metadata and len(list(filter(None, json.loads(metadata['ssmd_cover_images'])))) > 0:
return f"./sd_extra_networks/cover-images?page={self.extra_networks_tabname}&item={name}"
return None
def find_description(self, path):
"""
Find and read a description file for a given path (without extension).
"""
for file in [f"{path}.txt", f"{path}.description.txt"]:
if not self.lister.exists(file):
continue
try:
with open(file, "r", encoding="utf-8", errors="replace") as f:
return f.read()
except OSError:
pass
return None
def create_user_metadata_editor(self, ui, tabname):
return ui_extra_networks_user_metadata.UserMetadataEditor(ui, tabname, self)
def initialize():
extra_pages.clear()
def register_default_pages():
from modules.ui_extra_networks_textual_inversion import ExtraNetworksPageTextualInversion
from modules.ui_extra_networks_hypernets import ExtraNetworksPageHypernetworks
from modules.ui_extra_networks_checkpoints import ExtraNetworksPageCheckpoints
register_page(ExtraNetworksPageTextualInversion())
register_page(ExtraNetworksPageHypernetworks())
register_page(ExtraNetworksPageCheckpoints())
class ExtraNetworksUi:
def __init__(self):
self.pages = None
"""gradio HTML components related to extra networks' pages"""
self.page_contents = None
"""HTML content of the above; empty initially, filled when extra pages have to be shown"""
self.stored_extra_pages = None
self.button_save_preview = None
self.preview_target_filename = None
self.tabname = None
def pages_in_preferred_order(pages):
tab_order = [x.lower().strip() for x in shared.opts.ui_extra_networks_tab_reorder.split(",")]
def tab_name_score(name):
name = name.lower()
for i, possible_match in enumerate(tab_order):
if possible_match in name:
return i
return len(pages)
tab_scores = {page.name: (tab_name_score(page.name), original_index) for original_index, page in enumerate(pages)}
return sorted(pages, key=lambda x: tab_scores[x.name])
def create_ui(interface: gr.Blocks, unrelated_tabs, tabname):
ui = ExtraNetworksUi()
ui.pages = []
ui.pages_contents = []
ui.user_metadata_editors = []
ui.stored_extra_pages = pages_in_preferred_order(extra_pages.copy())
ui.tabname = tabname
related_tabs = []
for page in ui.stored_extra_pages:
with gr.Tab(page.title, elem_id=f"{tabname}_{page.extra_networks_tabname}", elem_classes=["extra-page"]) as tab:
with gr.Column(elem_id=f"{tabname}_{page.extra_networks_tabname}_prompts", elem_classes=["extra-page-prompts"]):
pass
elem_id = f"{tabname}_{page.extra_networks_tabname}_cards_html"
page_elem = gr.HTML(page.create_html(tabname, empty=True), elem_id=elem_id)
ui.pages.append(page_elem)
editor = page.create_user_metadata_editor(ui, tabname)
editor.create_ui()
ui.user_metadata_editors.append(editor)
related_tabs.append(tab)
ui.button_save_preview = gr.Button('Save preview', elem_id=f"{tabname}_save_preview", visible=False)
ui.preview_target_filename = gr.Textbox('Preview save filename', elem_id=f"{tabname}_preview_filename", visible=False)
for tab in unrelated_tabs:
tab.select(fn=None, _js=f"function(){{extraNetworksUnrelatedTabSelected('{tabname}');}}", inputs=[], outputs=[], show_progress=False)
for page, tab in zip(ui.stored_extra_pages, related_tabs):
jscode = (
"function(){{"
f"extraNetworksTabSelected('{tabname}', '{tabname}_{page.extra_networks_tabname}_prompts', {str(page.allow_prompt).lower()}, {str(page.allow_negative_prompt).lower()}, '{tabname}_{page.extra_networks_tabname}');"
f"applyExtraNetworkFilter('{tabname}_{page.extra_networks_tabname}');"
"}}"
)
tab.select(fn=None, _js=jscode, inputs=[], outputs=[], show_progress=False)
def refresh():
for pg in ui.stored_extra_pages:
pg.refresh()
create_html()
return ui.pages_contents
button_refresh = gr.Button("Refresh", elem_id=f"{tabname}_{page.extra_networks_tabname}_extra_refresh_internal", visible=False)
button_refresh.click(fn=refresh, inputs=[], outputs=ui.pages).then(fn=lambda: None, _js="function(){ " + f"applyExtraNetworkFilter('{tabname}_{page.extra_networks_tabname}');" + " }").then(fn=lambda: None, _js='setupAllResizeHandles')
def create_html():
ui.pages_contents = [pg.create_html(ui.tabname) for pg in ui.stored_extra_pages]
def pages_html():
if not ui.pages_contents:
create_html()
return ui.pages_contents
interface.load(fn=pages_html, inputs=[], outputs=ui.pages).then(fn=lambda: None, _js='setupAllResizeHandles')
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 child_path.startswith(parent_path)
def setup_ui(ui, gallery):
def save_preview(index, images, filename):
# this function is here for backwards compatibility and likely will be removed soon
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)
geninfo, items = read_info_from_image(image)
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'
save_image_with_geninfo(image, geninfo, 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){return [selected_gallery_index(), y, z]}",
inputs=[ui.preview_target_filename, gallery, ui.preview_target_filename],
outputs=[*ui.pages]
)
for editor in ui.user_metadata_editors:
editor.setup_ui(gallery)