mirror of
https://github.com/vladmandic/automatic
synced 2026-08-26 06:30:44 +02:00
Vladimir Mandic
283 lines
13 KiB
Python
283 lines
13 KiB
Python
import io
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import os
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from pathlib import Path
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import time
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import base64
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from secrets import compare_digest
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from urllib.parse import quote, unquote
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from fastapi.responses import JSONResponse
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from fastapi.exceptions import HTTPException
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from starlette.websockets import WebSocket, WebSocketState
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from pydantic import BaseModel, Field # pylint: disable=no-name-in-module
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from PIL import Image
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from modules import shared, images, files_cache, modelstats
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from modules.logger import log
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from modules.paths import resolve_output_path
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debug = log.debug if os.environ.get('SD_BROWSER_DEBUG', None) is not None else lambda *args, **kwargs: None
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OPTS_FOLDERS = [
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"outdir_samples",
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"outdir_txt2img_samples",
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"outdir_img2img_samples",
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"outdir_control_samples",
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"outdir_extras_samples",
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"outdir_save",
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"outdir_video",
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"outdir_init_images",
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"outdir_grids",
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"outdir_txt2img_grids",
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"outdir_img2img_grids",
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"outdir_control_grids",
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]
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### class definitions
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class ReqFiles(BaseModel):
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folder: str = Field(title="Folder")
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class ItemFolder(BaseModel):
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path: str = Field(title="Path", description="Folder path")
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label: str = Field(title="Label", description="Folder display label")
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### ws connection manager
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class ConnectionManager:
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def __init__(self):
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self.active: list[WebSocket] = []
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async def connect(self, ws: WebSocket):
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await ws.accept()
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agent = ws._headers.get("user-agent", "") # pylint: disable=protected-access
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debug(f'Browser WS connect: client={ws.client.host} agent="{agent}"')
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self.active.append(ws)
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def disconnect(self, ws: WebSocket):
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debug(f'Browser WS disconnect: client={ws.client.host}')
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self.active.remove(ws)
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async def send(self, ws: WebSocket, data: str | dict | bytes):
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# debug(f'Browser WS send: client={ws.client.host} data={type(data)}')
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if ws.client_state != WebSocketState.CONNECTED:
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return
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if isinstance(data, bytes):
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await ws.send_bytes(data)
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elif isinstance(data, dict):
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await ws.send_json(data)
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elif isinstance(data, str):
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await ws.send_text(data)
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else:
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debug(f'Browser WS send: client={ws.client.host} data={type(data)} unknown')
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async def broadcast(self, data: str | dict | bytes):
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for ws in self.active:
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await self.send(ws, data)
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### api definitions
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def register_api(api): # register api
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manager = ConnectionManager()
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def get_video_thumbnail(filepath):
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from modules.video import get_video_params
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try:
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stat_size, stat_mtime = modelstats.stat(filepath)
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frames, fps, duration, width, height, codec, frame = get_video_params(filepath, capture=True)
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h = shared.opts.extra_networks_card_size
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w = shared.opts.extra_networks_card_size if shared.opts.browser_fixed_width else width * h // height
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frame = frame.convert('RGB')
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frame.thumbnail((w, h), Image.Resampling.HAMMING)
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buffered = io.BytesIO()
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frame.save(buffered, format='jpeg')
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data_url = f'data:image/jpeg;base64,{base64.b64encode(buffered.getvalue()).decode("ascii")}'
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frame.close()
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content = {
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'exif': f'Codec: {codec}, Frames: {frames}, Duration: {duration:.2f} sec, FPS: {fps:.2f}',
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'data': data_url,
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'width': width,
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'height': height,
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'size': stat_size,
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'mtime': stat_mtime.timestamp() * 1000, # JS timestamps use milliseconds
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}
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return content
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except Exception as e:
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log.error(f'Gallery video: file="{filepath}" {e}')
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return {}
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def get_image_thumbnail(filepath, exif: bool = True):
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try:
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stat_size, stat_mtime = modelstats.stat(filepath)
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if stat_size < 1024:
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return {}
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with Image.open(filepath) as image:
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# 1. Grab original dimensions BEFORE draft mode alters them
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width, height = image.width, image.height
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if height == 0 or width == 0:
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log.error(f"Image: file={filepath} {image} invalid")
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return {}
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# 2. Extract EXIF data early
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geninfo = images.read_info_from_image(image)[0] if exif else None
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# 3. Calculate intended thumbnail size
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h = shared.opts.extra_networks_card_size
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w = shared.opts.extra_networks_card_size if shared.opts.browser_fixed_width else max(1, (width * h) // height)
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# 4. Apply JPEG Draft Mode which downsamples during load
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if image.format == "JPEG":
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image.draft("RGB", (w, h))
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elif image.mode != 'RGB':
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image = image.convert('RGB')
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# 5. Perform final precision thumbnail scale down
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image.thumbnail((w, h), Image.Resampling.HAMMING)
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# 6. Compress and encode to Base64
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buffered = io.BytesIO()
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image.save(buffered, format='JPEG', quality=85, optimize=True)
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b64_str = base64.b64encode(buffered.getbuffer()).decode("ascii")
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data_url = f'data:image/jpeg;base64,{b64_str}'
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content = {
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'exif': geninfo,
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'data': data_url,
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'width': width, # Original width sent to client
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'height': height, # Original height sent to client
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'size': stat_size,
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'mtime': stat_mtime.timestamp() * 1000,
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}
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return content
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except Exception as e:
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log.error(f'Gallery image failed: file="{filepath}" | Error: {e}')
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return {}
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def ws_authenticated(ws: WebSocket):
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if not api.credentials and not getattr(shared.cmd_opts, 'auth_file', None):
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return True
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token = ws.cookies.get('access-token') or ws.cookies.get('access-token-unsecure')
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if token and hasattr(api.app, 'tokens') and (api.app.tokens is not None) and token in (api.app.tokens):
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return True
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auth_header = ws.headers.get('authorization')
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if auth_header and auth_header.lower().startswith('basic '):
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try:
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payload = base64.b64decode(auth_header.split(' ', 1)[1]).decode('utf-8')
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username, password = payload.split(':', 1)
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except Exception:
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return False
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if username in api.credentials and compare_digest(password, api.credentials[username]):
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return True
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if hasattr(api.app, 'tokens') and (api.app.tokens is not None) and (password in api.app.tokens):
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return True
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return False
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# @app.get('/sdapi/v1/browser/folders', response_model=list[dict])
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def get_folders():
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def make_folder(path, label=None):
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"""Create folder entry with path and display label."""
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if label is None:
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label = os.path.basename(path) or path
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return {"path": path, "label": label}
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reference_dir = os.path.join('models', 'Reference')
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base_samples = shared.opts.outdir_samples
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base_grids = shared.opts.outdir_grids
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# Build list of resolved output paths with labels
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folders = []
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if base_samples:
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folders.append(make_folder(base_samples, os.path.basename(base_samples.rstrip('/\\'))))
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if base_grids and base_grids != base_samples:
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folders.append(make_folder(base_grids, os.path.basename(base_grids.rstrip('/\\'))))
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# Use the specific folder setting values as labels (e.g., "outputs/text" -> "outputs/text")
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folders.append(make_folder(resolve_output_path(base_samples, shared.opts.outdir_txt2img_samples), shared.opts.outdir_txt2img_samples))
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folders.append(make_folder(resolve_output_path(base_samples, shared.opts.outdir_img2img_samples), shared.opts.outdir_img2img_samples))
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folders.append(make_folder(resolve_output_path(base_samples, shared.opts.outdir_control_samples), shared.opts.outdir_control_samples))
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folders.append(make_folder(resolve_output_path(base_samples, shared.opts.outdir_extras_samples), shared.opts.outdir_extras_samples))
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folders.append(make_folder(resolve_output_path(base_samples, shared.opts.outdir_save), shared.opts.outdir_save))
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folders.append(make_folder(resolve_output_path(base_samples, shared.opts.outdir_video), shared.opts.outdir_video))
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folders.append(make_folder(resolve_output_path(base_samples, shared.opts.outdir_init_images), shared.opts.outdir_init_images))
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folders.append(make_folder(resolve_output_path(base_grids, shared.opts.outdir_txt2img_grids), shared.opts.outdir_txt2img_grids))
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folders.append(make_folder(resolve_output_path(base_grids, shared.opts.outdir_img2img_grids), shared.opts.outdir_img2img_grids))
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folders.append(make_folder(resolve_output_path(base_grids, shared.opts.outdir_control_grids), shared.opts.outdir_control_grids))
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# Custom browser folders and reference dir
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for f in shared.opts.browser_folders.split(','):
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f = f.strip()
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if f:
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folders.append(make_folder(f))
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folders.append(make_folder(reference_dir, 'Reference'))
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# Filter empty and duplicates (by path)
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seen_paths = set()
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unique_folders = []
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for f in folders:
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path = f["path"].strip()
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if path and path not in seen_paths and os.path.isdir(path):
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seen_paths.add(path)
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unique_folders.append(f)
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if shared.demo is not None and path not in shared.demo.allowed_paths:
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debug(f'Browser folders allow: {path}')
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shared.demo.allowed_paths.append(path)
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debug(f'Browser folders: {unique_folders}')
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return unique_folders
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# @app.get("/sdapi/v1/browser/thumb", response_model=dict)
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async def get_thumb(file: str, exif: bool = False):
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try:
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decoded = unquote(file).replace('%3A', ':')
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allowed_dirs = shared.demo.allowed_paths
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if not any(Path(folder).absolute() in Path(file).absolute().parents for folder in allowed_dirs):
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raise HTTPException(status_code=403, detail=f"file {file}: must be in one of allowed directories")
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if decoded.lower().endswith('.mp4'):
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return JSONResponse(content=get_video_thumbnail(decoded))
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else:
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return JSONResponse(content=get_image_thumbnail(decoded, exif))
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except Exception as e:
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log.error(f'Gallery: {file} {e}')
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content = { 'error': str(e) }
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return JSONResponse(content=content)
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# @app.get("/sdapi/v1/browser/files", response_model=list)
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async def ht_files(folder: str):
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try:
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t0 = time.time()
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allowed_dirs = shared.demo.allowed_paths
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if not any(Path(folder).absolute() in Path(folder).absolute().parents for folder in allowed_dirs):
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raise HTTPException(status_code=403, detail=f"folder {folder}: must be in one of allowed directories")
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files = files_cache.directory_files(folder, recursive=True)
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lines = []
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for f in files:
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file = os.path.relpath(f, folder)
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msg = quote(folder) + '##F##' + quote(file)
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msg = msg[:1] + ":" + msg[4:] if msg[1:4] == "%3A" else msg
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lines.append(msg)
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t1 = time.time()
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log.debug(f'Gallery: type=ht folder="{folder}" files={len(lines)} time={t1-t0:.3f}')
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return lines
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except Exception as e:
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log.error(f'Gallery: {folder} {e}')
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return []
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api.add_api_route("/sdapi/v1/browser/folders", get_folders, methods=["GET"], response_model=list[ItemFolder])
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api.add_api_route("/sdapi/v1/browser/thumb", get_thumb, methods=["GET"], response_model=dict)
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api.add_api_route("/sdapi/v1/browser/files", ht_files, methods=["GET"], response_model=list)
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@api.app.websocket("/sdapi/v1/browser/files")
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async def ws_files(ws: WebSocket):
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if not ws_authenticated(ws):
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log.error(f'WS unauthorized: client={ws.client.host}')
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await ws.close(code=1008)
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return
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try:
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await manager.connect(ws)
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folder = await ws.receive_text()
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folder = unquote(folder).replace('%3A', ':')
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t0 = time.time()
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numFiles = 0
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files = files_cache.list_files(folder, recursive=True)
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# files = list(files_cache.directory_files(folder, recursive=True))
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# files.sort(key=os.path.getmtime)
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for f in files:
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numFiles += 1
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file = os.path.relpath(f, folder)
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msg = quote(folder) + '##F##' + quote(file)
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msg = msg[:1] + ":" + msg[4:] if msg[1:4] == "%3A" else msg
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await manager.send(ws, msg)
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await manager.send(ws, '#END#')
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t1 = time.time()
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log.debug(f'Gallery: type=ws folder="{folder}" files={numFiles} time={t1-t0:.3f}')
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except Exception as e:
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debug(f'WS error: {e}')
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manager.disconnect(ws)
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