Vito
5123654b0d
On WebKit, a reload cancels the page's reads between beforeunload and
pagehide. After an in-place edit, finishEdit awaits loadStatistics, which
swallows its cancelled read, and then calls refreshList. That /recent read
starts while the page is leaving, and WebKit fails it with "Fetch API cannot
load ... due to access control checks." Playwright reports that console
error as a page error. This failed workflows.spec on WebKit in CI.
It is not an unhandled rejection: the page catches the failure. The read
should never start.
The admin page now has a lifetime (AbortController) that ends on
beforeunload, unless a running scan asks to stay, and on pagehide.
- ApiClient.latestOnly({lifetime}) starts no request once the lifetime has
ended, aborts the one in flight, and resolves both to STALE.
- loadStatistics skips and silences a read that ended with the page.
- Real errors still propagate and show as before.
- A page restored from the back/forward cache, or one whose navigation never
left, gets a new lifetime on pageshow or its next pointer or key input.
Tests:
- The test server can hold a real request at the server (request_hold.py),
because a page.route hold is cancelled differently by WebKit.
- A WebKit regression test holds /prompt_manager/stats after an in-place
edit and reloads. It failed 5/5 before the fix with the CI message and
passes 5/5 after it.
- A test checks that a called-off leave reads the list again.
- api-client unit tests cover the lifetime.
662 lines
26 KiB
Python
662 lines
26 KiB
Python
"""Serve production pages and API routes with disposable state for browser tests."""
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import argparse
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import asyncio
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import json
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import os
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import shutil
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import socket
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from pathlib import Path
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import sys
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import tempfile
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import threading
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import time
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import types
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from aiohttp import web
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from aiohttp.web_runner import GracefulExit
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from PIL import Image
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from PIL.PngImagePlugin import PngInfo
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from tests.browser.request_hold import register_request_holds
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from tests.browser.workspace_activity_fixture import register_activity_commands
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from tests.browser.workspace_concept_fixture import (
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MAX_EXTRA_IMAGES as CONCEPT_MAX_EXTRA_IMAGES,
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MAX_SEEDLESS_IMAGES as CONCEPT_MAX_SEEDLESS_IMAGES,
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seed_workspace_concept,
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)
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from tests.browser.workspace_visual_fixture import seed_workspace_visual
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from tests.browser.workspace_inspector_fixture import seed_workspace_inspector
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from tests.browser.workspace_history_fixture import (
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capture_workspace_history_zero_outputs,
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register_workspace_history_commands,
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seed_workspace_history,
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)
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from tests.browser.workspace_library_editor_fixture import (
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register_library_editor_commands,
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)
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from tests.browser.workspace_vocabulary_fixture import register_vocabulary_commands
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from tests.browser.workspace_tagging_fixture import register_tagging_commands
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CANONICAL_ROOT = Path(__file__).resolve().parents[2]
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CANONICAL_ASSETS = {
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"/__test__/canonical/workspace": (
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"docs/concepts/workspace/index.html",
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"text/html",
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),
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"/workspace/app.js": ("docs/concepts/workspace/app.js", "text/javascript"),
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"/workspace/style.css": ("docs/concepts/workspace/style.css", "text/css"),
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"/toolkit/core.js": ("web/js/shared/toolkit/core.js", "text/javascript"),
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"/toolkit/controls.css": ("web/js/shared/toolkit/controls.css", "text/css"),
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"/vendor/viewer.js": ("web/lib/viewerjs/viewer.min.js", "text/javascript"),
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"/vendor/viewer.css": ("web/lib/viewerjs/viewer.min.css", "text/css"),
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}
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class TestModel:
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default_prompt = "Describe the image"
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wd14_general_threshold = 0.35
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wd14_character_threshold = 0.85
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custom_prompt = ""
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loaded = None
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# Models the Tag image dialog workflows mark as not downloaded.
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unavailable: set = set()
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# Scored names the concept comparisons answer instead of the fixed list
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# (``/__test__/tagging/suggestions``); None keeps the fixed list.
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suggestions: list | None = None
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def get_models_status(self) -> dict:
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return {
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name: {
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"downloaded": name not in self.unavailable,
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"loaded": self.loaded == name,
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}
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for name in ("gguf", "hf", "wd14-vit", "wd14-convnext", "wd14-swinv2")
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}
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def is_model_loaded(self) -> bool:
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return self.loaded is not None
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def get_loaded_model_type(self) -> str | None:
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return self.loaded
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def load_model(self, model_type: str, use_gpu: bool = True) -> bool:
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self.loaded = model_type
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return True
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def unload_model(self) -> None:
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self.loaded = None
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def generate_tags(self, image_path: str, **kwargs: object) -> list[str]:
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return ["generated", Path(image_path).parent.parent.name]
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def generate_tag_suggestions(
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self, image_path: str, *, limit: int, **kwargs: object
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) -> list[tuple[str, float | None]]:
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"""Fixed scored suggestions (WD14) or unscored ones (language models)."""
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scored = self.loaded is not None and self.loaded.startswith("wd14")
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if self.suggestions is not None:
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return [
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(name, confidence if scored else None)
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for name, confidence in self.suggestions[:limit]
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]
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names = ["sandstone", "desert", "arch", "sky", "rock", "dune", "canyon"]
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names += [f"tag_{index:02d}" for index in range(100)]
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return [
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(name, round(0.98 - index * 0.008, 3) if scored else None)
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for index, name in enumerate(names[:limit])
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]
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def download_model(self, model_type: str, progress_callback=None) -> bool:
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raise AssertionError("browser tests never download a model")
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REVEAL_OUTCOMES = ("opened", "unavailable", "fail")
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def register_reveal_stub(routes, api, root: Path):
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"""D38: Show in folder never opens a real file manager here.
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The API's opener records the resolved path; ``POST /__test__/reveal``
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sets the next outcome and ``GET /__test__/reveal`` lists the opened paths.
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"""
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from utils.file_reveal import OpenerUnavailable, RevealGate
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state = {"outcome": "opened", "opened": []}
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def opener(path: Path, gallery_root: Path) -> None:
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if state["outcome"] == "unavailable":
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raise OpenerUnavailable()
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if state["outcome"] == "fail":
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raise OSError("stubbed start failure")
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state["opened"].append(Path(path).relative_to(root.resolve()).as_posix())
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api._reveal_opener = opener
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# Each click gets an answer here; the cooldown is a unit-tested default.
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api._reveal_gate = RevealGate(cooldown=0)
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@routes.post("/__test__/reveal")
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async def set_reveal_outcome(request: web.Request) -> web.Response:
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data = await request.json() if request.can_read_body else None
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if (
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not isinstance(data, dict)
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or set(data) != {"outcome"}
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or data["outcome"] not in REVEAL_OUTCOMES
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):
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raise web.HTTPBadRequest()
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state["outcome"] = data["outcome"]
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return web.json_response({"success": True})
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@routes.get("/__test__/reveal")
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async def reveal_calls(request: web.Request) -> web.Response:
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return web.json_response({"opened": state["opened"]})
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def reset() -> None:
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state["outcome"] = "opened"
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state["opened"].clear()
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return types.SimpleNamespace(reset=reset)
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def create_app(root: Path) -> web.Application:
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os.environ["PROMPT_MANAGER_CONFIG_PATH"] = str(root / "config.json")
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os.chdir(root)
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app = web.Application()
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routes = web.RouteTableDef()
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server = types.ModuleType("server")
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server.PromptServer = types.SimpleNamespace(
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instance=types.SimpleNamespace(app=app, routes=routes)
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)
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sys.modules["server"] = server
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folder_paths = types.ModuleType("folder_paths")
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folder_paths.base_path = str(root)
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folder_paths.models_dir = str(root / "models")
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for name in ("output", "input", "temp", "user"):
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directory = root / name
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directory.mkdir()
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setattr(folder_paths, f"get_{name}_directory", lambda path=directory: str(path))
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sys.modules["folder_paths"] = folder_paths
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from py.config import GalleryConfig, PromptManagerConfig
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PromptManagerConfig.DEFAULT_DB_PATH = str(root / "browser.db")
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GalleryConfig.MONITORING_DIRECTORIES = [str(root / "output"), str(root / "input")]
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from py.api import PromptManagerAPI
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from py import autotag
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from utils.hashing import generate_prompt_hash
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model = TestModel()
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autotag.get_autotag_service = lambda: model
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api = PromptManagerAPI()
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api.add_routes(routes)
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history_commands = register_workspace_history_commands(routes, api, root)
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library_editor_commands = register_library_editor_commands(routes, api, root)
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register_vocabulary_commands(routes, api, root)
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register_tagging_commands(routes, api, root, model)
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reveal_stub = register_reveal_stub(routes, api, root)
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register_activity_commands(app, routes, api)
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request_holds = register_request_holds(app, routes)
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async def canonical_asset(request: web.Request) -> web.Response:
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filename, content_type = CANONICAL_ASSETS[request.path]
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return web.Response(
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body=(CANONICAL_ROOT / filename).read_bytes(),
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content_type=content_type,
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headers={"Cache-Control": "no-store", "X-Content-Type-Options": "nosniff"},
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)
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for path in CANONICAL_ASSETS:
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routes.get(path)(canonical_asset)
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def seed(
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extra_images: int = 0,
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include_video: bool = False,
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prompt_inspector: bool = False,
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native_library: bool = False,
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extra_prompts: int = 0,
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extra_variants: int = 0,
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) -> None:
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with api.db.model.get_connection() as conn:
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for table in (
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"saved_views",
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"image_favorites",
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"media_image_tags",
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"media_annotation_bytes",
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"media_annotation_files",
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"image_prompt_pairs",
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"prompt_pair_tags",
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"prompt_pairs",
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"generated_images",
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"prompt_tags",
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"tags",
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"prompts",
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):
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conn.execute(f"DELETE FROM {table}")
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for name in ("output", "input"):
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shutil.rmtree(root / name)
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(root / name).mkdir()
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for index, (directory, text, tag) in enumerate(
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[
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("output", "Cat portrait", "cats"),
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(
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"input",
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"Cat portrait" if native_library else "Dog landscape",
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"dogs",
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),
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]
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):
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image_path = root / directory / "shared" / "same.png"
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image_path.parent.mkdir(exist_ok=True)
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info = PngInfo()
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info.add_text(
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"prompt",
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json.dumps(
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{"1": {"class_type": "CLIPTextEncode", "inputs": {"text": text}}}
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),
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)
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with Image.new("RGB", (64, 64), (index * 255, 64, 128)) as image:
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image.save(image_path, pnginfo=info)
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if prompt_inspector or native_library:
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graph = {
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"1": {"class_type": "CLIPTextEncode", "inputs": {"text": text}},
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"2": {
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"class_type": "CLIPTextEncode",
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"inputs": {
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"text": "blurry, watermark" if index == 0 else "low quality"
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},
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},
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"3": {
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"class_type": "KSampler",
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"inputs": {"positive": ["1", 0], "negative": ["2", 0]},
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},
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"4": {"class_type": "SaveImage", "inputs": {"images": ["3", 0]}},
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}
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info = PngInfo()
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info.add_text("prompt", json.dumps(graph))
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with Image.new("RGB", (64, 64), (index * 255, 64, 128)) as image:
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image.save(image_path, pnginfo=info)
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stamp = time.time() - index * 10
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os.utime(image_path, (stamp, stamp))
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pid = api.db.save_prompt(
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text, tags=[tag], prompt_hash=generate_prompt_hash(text)
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)
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api.db.link_image_to_prompt(pid, str(image_path))
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if index == 0:
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video_prompt_id = pid
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for number in range(extra_images):
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extra = root / directory / "bulk" / f"{number:04}.png"
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extra.parent.mkdir(exist_ok=True)
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shutil.copyfile(image_path, extra)
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api.db.link_image_to_prompt(pid, str(extra))
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if native_library:
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positive = api.db.get_prompt_by_hash(generate_prompt_hash("Cat portrait"))
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positive_id = positive["id"]
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api.db.update_prompt_metadata(
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positive_id, category="Animals", tags=["cats", "studio"]
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)
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variants = []
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for index, negative in enumerate(
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["blurry, watermark", "low quality", "low contrast", ""]
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):
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pair_id = api.db.save_prompt_pair(
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"Cat portrait",
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negative,
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title=f"Portrait variant {index + 1}",
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category="Portraits" if index == 0 else "Experiments",
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tags=["studio"] if index == 0 else ["outdoors"],
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)
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variants.append(pair_id)
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with api.db.model.get_connection() as conn:
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images = conn.execute(
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"SELECT id FROM generated_images WHERE prompt_id=? ORDER BY id",
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(positive_id,),
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).fetchall()
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for index, image in enumerate(images[:2]):
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api.db.link_image_to_pair(
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variants[index], image["id"], {"source": "fixture", "anchor": index}
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)
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api.db.link_image_to_pair(
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variants[0], images[0]["id"], {"source": "fixture second evidence"}
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)
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api.db.record_prompt_pair_use(variants[0], times=3)
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for number in range(extra_variants):
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api.db.save_prompt_pair("Cat portrait", f"Negative extra {number:04}")
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legacy = root / "output" / "legacy-unassigned.png"
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shutil.copyfile(root / "output" / "shared" / "same.png", legacy)
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api.db.link_image_to_prompt(positive_id, str(legacy))
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api.db.save_prompt("Dog landscape", category="Animals", tags=["dogs"])
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api.db.save_prompt_pair("Dual role portrait", "Cat portrait")
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for number in range(extra_prompts):
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api.db.save_prompt(
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f"Library extra {number:04}", category="Bulk", tags=["bulk"]
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)
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if prompt_inspector:
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for name, parameters in (
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(
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"empty-negative.png",
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"Explicit empty negative\nNegative prompt: \n"
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"Steps: 20, Sampler: Euler",
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),
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("uncertain.png", None),
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):
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info = PngInfo()
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if parameters:
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info.add_text("parameters", parameters)
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with Image.new("RGB", (64, 64), (100, 80, 120)) as image:
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image.save(root / "output" / name, pnginfo=info)
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os.utime(root / "output" / name, (time.time() - 100, time.time() - 100))
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api._generate_gallery_thumbnails_sync(api._get_all_output_dirs(), (150, 150))
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if include_video:
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# Seed after thumbnail generation to exercise a real unthumbnailed video.
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video = root / "output" / "clip.webm"
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shutil.copyfile(
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Path(__file__).resolve().parents[1] / "fixtures" / "tiny.webm", video
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)
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api.db.link_image_to_prompt(video_prompt_id, str(video))
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api.invalidate_gallery_cache()
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history_fixture = None
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@routes.post("/__test__/history/capture-zero-outputs")
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async def capture_history_outputs(request: web.Request) -> web.Response:
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data = await request.json() if request.can_read_body else None
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if (
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not isinstance(data, dict)
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or set(data) != {"run_id"}
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or history_fixture is None
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or data["run_id"] not in history_fixture["runs"].values()
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):
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raise web.HTTPBadRequest()
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captured = await api._run_in_executor(
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capture_workspace_history_zero_outputs, api, data["run_id"]
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)
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return web.json_response({"success": captured})
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@routes.post("/__test__/reset")
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async def reset(request: web.Request) -> web.Response:
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nonlocal history_fixture
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request_holds.release()
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library_editor_commands.reset()
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data = await request.json() if request.can_read_body else {}
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if not isinstance(data, dict):
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raise web.HTTPBadRequest()
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chronological_history = data.get("chronological_history", False)
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history_runs = data.get("history_runs", 0)
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if (
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not isinstance(chronological_history, bool)
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or isinstance(history_runs, bool)
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or not isinstance(history_runs, int)
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or not 0 <= history_runs <= 1200
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or (not chronological_history and "history_runs" in data)
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or (
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chronological_history
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and set(data) - {"chronological_history", "history_runs"}
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)
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):
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raise web.HTTPBadRequest()
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if chronological_history:
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manifest = await api._run_in_executor(
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lambda: seed_workspace_history(api, root, history_runs=history_runs)
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)
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history_fixture = manifest
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return web.json_response({"success": True, **manifest})
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history_commands.reset()
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reveal_stub.reset()
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workspace_visual = data.get("workspace_visual", False)
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full_inspector = data.get("full_inspector", False)
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extra = data.get("extra_images", 0)
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include_video = data.get("include_video", False)
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prompt_inspector = data.get("prompt_inspector", False)
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native_library = data.get("native_library", False)
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extra_prompts = data.get("extra_prompts", 0)
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extra_variants = data.get("extra_variants", 0)
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if (
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not isinstance(workspace_visual, bool)
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or not isinstance(full_inspector, bool)
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or (
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full_inspector
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and (
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workspace_visual
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or prompt_inspector
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or native_library
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or extra_prompts != 0
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or extra_variants != 0
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)
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)
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or (
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workspace_visual
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and any(
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key in data
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for key in (
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"extra_images",
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"include_video",
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"prompt_inspector",
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"native_library",
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"extra_prompts",
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"extra_variants",
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"full_inspector",
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)
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)
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)
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or isinstance(extra, bool)
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or not isinstance(extra, int)
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or not 0 <= extra <= 200
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or not isinstance(include_video, bool)
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or not isinstance(prompt_inspector, bool)
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or not isinstance(native_library, bool)
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or isinstance(extra_prompts, bool)
|
|
or not isinstance(extra_prompts, int)
|
|
or not 0 <= extra_prompts <= 200
|
|
or isinstance(extra_variants, bool)
|
|
or not isinstance(extra_variants, int)
|
|
or not 0 <= extra_variants <= 200
|
|
):
|
|
raise web.HTTPBadRequest()
|
|
if workspace_visual:
|
|
history_fixture = None
|
|
await api._run_in_executor(seed_workspace_visual, api, root)
|
|
return web.json_response({"success": True})
|
|
if full_inspector:
|
|
history_fixture = None
|
|
await api._run_in_executor(
|
|
lambda: seed_workspace_inspector(
|
|
api, root, extra_images=extra, include_video=include_video
|
|
)
|
|
)
|
|
return web.json_response({"success": True})
|
|
history_fixture = None
|
|
await api._run_in_executor(
|
|
seed,
|
|
extra,
|
|
include_video,
|
|
prompt_inspector,
|
|
native_library,
|
|
extra_prompts,
|
|
extra_variants,
|
|
)
|
|
return web.json_response({"success": True})
|
|
|
|
@routes.post("/__test__/concept/reset")
|
|
async def concept_reset(request: web.Request) -> web.Response:
|
|
"""Seed the concept-shaped fixture (D30); only a bounded image count."""
|
|
nonlocal history_fixture
|
|
data = await request.json() if request.can_read_body else {}
|
|
limits = {
|
|
"extra_images": CONCEPT_MAX_EXTRA_IMAGES,
|
|
"seedless_images": CONCEPT_MAX_SEEDLESS_IMAGES,
|
|
}
|
|
if (
|
|
request.query
|
|
or not isinstance(data, dict)
|
|
or set(data) - set(limits) - {"short_seedless"}
|
|
or not isinstance(data.get("short_seedless", False), bool)
|
|
or any(
|
|
isinstance(data.get(key, 0), bool)
|
|
or not isinstance(data.get(key, 0), int)
|
|
or not 0 <= data.get(key, 0) <= limit
|
|
for key, limit in limits.items()
|
|
)
|
|
):
|
|
raise web.HTTPBadRequest()
|
|
history_commands.reset()
|
|
library_editor_commands.reset()
|
|
reveal_stub.reset()
|
|
history_fixture = None
|
|
manifest = await api._run_in_executor(
|
|
lambda: seed_workspace_concept(
|
|
api,
|
|
root,
|
|
extra_images=data.get("extra_images", 0),
|
|
seedless_images=data.get("seedless_images", 0),
|
|
short_seedless=data.get("short_seedless", False),
|
|
)
|
|
)
|
|
return web.json_response({"success": True, **manifest})
|
|
|
|
@routes.post("/__test__/saved-views/raw")
|
|
async def insert_raw_saved_view(request: web.Request) -> web.Response:
|
|
"""Store a view row as an older build wrote it, bypassing the API's rules."""
|
|
data = await request.json()
|
|
if (
|
|
not isinstance(data, dict)
|
|
or set(data) != {"page", "name", "state"}
|
|
or not all(isinstance(data[key], str) for key in data)
|
|
):
|
|
raise web.HTTPBadRequest()
|
|
|
|
def insert() -> int:
|
|
with api.db.model.get_connection() as conn:
|
|
return conn.execute(
|
|
"INSERT INTO saved_views (page, name, state, position, "
|
|
"created_at, updated_at) VALUES (?, ?, ?, 0, 'x', 'x')",
|
|
(data["page"], data["name"], data["state"]),
|
|
).lastrowid
|
|
|
|
return web.json_response(
|
|
{"success": True, "id": await api._run_in_executor(insert)}
|
|
)
|
|
|
|
@routes.post("/__test__/add-nested-image")
|
|
async def add_nested_image(request: web.Request) -> web.Response:
|
|
destination = root / "output" / "project" / "day" / "new-output.png"
|
|
destination.parent.mkdir(parents=True, exist_ok=True)
|
|
shutil.copyfile(root / "output" / "shared" / "same.png", destination)
|
|
return web.json_response({"success": True})
|
|
|
|
@routes.post("/__test__/add-local-inspect-file")
|
|
async def add_local_inspect_file(request: web.Request) -> web.Response:
|
|
"""Serve one committed Inspect fixture from the output folder.
|
|
|
|
The local Inspect page reads a chosen file in the browser; its page
|
|
workflow compares that rail with the Images viewer for the same bytes.
|
|
Only a committed fixture name is accepted.
|
|
"""
|
|
data = await request.json() if request.can_read_body else None
|
|
fixtures = CANONICAL_ROOT / "tests" / "fixtures"
|
|
allowed = {
|
|
path.name: path
|
|
for folder in ("inspection_parity", "local-inspect")
|
|
for path in (fixtures / folder).iterdir()
|
|
if path.suffix.lower() in {".png", ".jpg", ".webp", ".webm", ".mp4"}
|
|
}
|
|
if (
|
|
not isinstance(data, dict)
|
|
or set(data) != {"name"}
|
|
or data["name"] not in allowed
|
|
):
|
|
raise web.HTTPBadRequest()
|
|
destination = root / "output" / "local-inspect" / data["name"]
|
|
destination.parent.mkdir(parents=True, exist_ok=True)
|
|
shutil.copyfile(allowed[data["name"]], destination)
|
|
return web.json_response({"success": True})
|
|
|
|
@routes.get("/api/settings/Comfy.ColorPalette")
|
|
async def palette(request: web.Request) -> web.Response:
|
|
return web.json_response("dark")
|
|
|
|
async def cleanup(application: web.Application) -> None:
|
|
api.db.close_all()
|
|
|
|
seed()
|
|
app.on_cleanup.append(cleanup)
|
|
app.add_routes(routes)
|
|
return app
|
|
|
|
|
|
HOST = "127.0.0.1"
|
|
PORT_ANNOUNCEMENT = "PM_TEST_SERVER_PORT="
|
|
|
|
|
|
def bind_listener(port: int) -> socket.socket:
|
|
"""Bind the server's socket before the app is built.
|
|
|
|
``port`` 0 lets the OS choose a free port, which this process then holds,
|
|
so parallel launchers never race for one between choosing and binding.
|
|
"""
|
|
listener = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
|
|
try:
|
|
if port and os.name != "nt":
|
|
# aiohttp's own default on POSIX; on Windows it would let a
|
|
# second process share the port.
|
|
listener.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
|
|
listener.bind((HOST, port))
|
|
listener.listen(128)
|
|
except OSError:
|
|
listener.close()
|
|
raise
|
|
return listener
|
|
|
|
|
|
def _graceful_exit() -> None:
|
|
raise GracefulExit()
|
|
|
|
|
|
def exit_when_stdin_closes(loop: asyncio.AbstractEventLoop) -> threading.Thread:
|
|
"""Stop the app gracefully once stdin reaches end of file.
|
|
|
|
The launcher keeps the write end of this process's stdin pipe, and the OS
|
|
closes it however the launcher dies, SIGKILL included. GracefulExit runs
|
|
aiohttp's cleanup (closing the database) and lets the temp root be removed,
|
|
on every OS, where a signal from a dead parent would not.
|
|
"""
|
|
|
|
def watch() -> None:
|
|
while sys.stdin.buffer.read(65536):
|
|
pass
|
|
loop.call_soon_threadsafe(_graceful_exit)
|
|
|
|
thread = threading.Thread(target=watch, name="stdin-eof", daemon=True)
|
|
thread.start()
|
|
return thread
|
|
|
|
|
|
def main(argv: list[str] | None = None) -> None:
|
|
parser = argparse.ArgumentParser()
|
|
parser.add_argument(
|
|
"--port", type=int, default=8765, help="0 binds an OS-chosen free port"
|
|
)
|
|
parser.add_argument(
|
|
"--exit-on-stdin-eof",
|
|
action="store_true",
|
|
help="shut down when stdin closes (the launcher's parent-death guard)",
|
|
)
|
|
args = parser.parse_args(argv)
|
|
listener = bind_listener(args.port)
|
|
# One machine-readable line tells the launcher which port this process holds.
|
|
print(f"{PORT_ANNOUNCEMENT}{listener.getsockname()[1]}", flush=True)
|
|
loop = asyncio.new_event_loop()
|
|
if args.exit_on_stdin_eof:
|
|
exit_when_stdin_closes(loop)
|
|
original_cwd = os.getcwd()
|
|
with tempfile.TemporaryDirectory(prefix="pm-browser-") as directory:
|
|
try:
|
|
web.run_app(create_app(Path(directory).resolve()), sock=listener, loop=loop)
|
|
finally:
|
|
# create_app works inside the root; Windows cannot remove a process's cwd.
|
|
os.chdir(original_cwd)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|