jasonod888
Add normals; keep intrinsics path unchanged; pin diffusers 0.33.1 and peft>=0.17.0
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import base64
import io
from typing import Any, Dict, Optional
import numpy as np
import torch
from PIL import Image
from diffusers import MarigoldIntrinsicsPipeline, utils as diffusers_utils
# We will import MarigoldNormalsPipeline lazily to avoid loading it unless asked
NormalsPipe = None
def _clean_b64(s: str) -> bytes:
s = s.strip()
if s.startswith("data:image"):
s = s.split(",", 1)[1]
s = "".join(s.split()) # strip whitespace/newlines
pad = (-len(s)) % 4
if pad:
s += "=" * pad
try:
return base64.b64decode(s, validate=False)
except Exception:
return base64.urlsafe_b64decode(s)
def _image_from_inputs(obj: Any) -> Image.Image:
if isinstance(obj, dict):
if "image_url" in obj:
return diffusers_utils.load_image(obj["image_url"]).convert("RGB")
if "image_b64" in obj:
raw = _clean_b64(obj["image_b64"])
return Image.open(io.BytesIO(raw)).convert("RGB")
raise ValueError("inputs dict must contain 'image_url' or 'image_b64'.")
if isinstance(obj, (str, bytes, bytearray)):
if isinstance(obj, (bytes, bytearray)):
obj = obj.decode("utf-8", errors="ignore")
s = obj.strip()
if s.startswith("http://") or s.startswith("https://"):
return diffusers_utils.load_image(s).convert("RGB")
raw = _clean_b64(s)
return Image.open(io.BytesIO(raw)).convert("RGB")
raise ValueError("Unsupported 'inputs' type. Provide URL string, base64 string, or {'image_url'|'image_b64'}.")
def _to_uint8_png_b64(img_like: Any) -> Optional[str]:
"""
Best-effort: accept PIL.Image or np.ndarray / torch.Tensor (H,W,3) or (3,H,W),
map to [0,255] and return PNG b64 string.
"""
try:
if isinstance(img_like, Image.Image):
buf = io.BytesIO()
img_like.save(buf, format="PNG")
return base64.b64encode(buf.getvalue()).decode("utf-8")
if isinstance(img_like, torch.Tensor):
arr = img_like.detach().cpu().float().numpy()
elif isinstance(img_like, np.ndarray):
arr = img_like
else:
return None
# Move channels-last if needed
if arr.ndim == 3 and arr.shape[0] in (1, 3) and arr.shape[-1] not in (1, 3):
arr = np.transpose(arr, (1, 2, 0))
if arr.ndim != 3 or arr.shape[-1] not in (1, 3):
# If it's something else (e.g., batch), try take first item
if arr.ndim == 4: # (B,H,W,C)
arr = arr[0]
else:
return None
# Heuristic normalization
arr = arr.astype(np.float32)
a_min, a_max = float(np.nanmin(arr)), float(np.nanmax(arr))
if a_max <= 1.0 and a_min >= 0.0:
# already [0,1]
pass
elif a_max <= 1.0 and a_min >= -1.0:
# [-1,1] normals style
arr = (arr + 1.0) * 0.5
else:
# generic min-max
rng = (a_max - a_min) if (a_max - a_min) > 1e-6 else 1.0
arr = (arr - a_min) / rng
arr = np.clip(arr * 255.0, 0, 255).astype(np.uint8)
img = Image.fromarray(arr)
buf = io.BytesIO()
img.save(buf, format="PNG")
return base64.b64encode(buf.getvalue()).decode("utf-8")
except Exception:
return None
class EndpointHandler:
"""HF Inference Toolkit-compatible class handler with Intrinsics (as-is) + optional Normals."""
def __init__(self, path: Optional[str] = None):
device = "cuda" if torch.cuda.is_available() else "cpu"
dtype = torch.float16 if device == "cuda" else torch.float32
# ---- Intrinsics pipeline (UNCHANGED from your working code) ----
self.pipe = MarigoldIntrinsicsPipeline.from_pretrained(
"prs-eth/marigold-iid-lighting-v1-1",
torch_dtype=dtype,
).to(device)
try:
self.pipe.set_progress_bar_config(disable=True)
except Exception:
pass
# Expected targets for lighting
self.targets = ["albedo", "shading", "residual"]
# ---- Normals (lazy) ----
self._normals_pipe = None
self._device = device
self._dtype = dtype
# Defaults
self.default_intr_steps = 4 # as before
self.fixed_processing_res = 768 # per your latest preference
# ---------------- Normals helpers ----------------
def _ensure_normals_loaded(self):
global NormalsPipe
if self._normals_pipe is not None:
return
if NormalsPipe is None:
# Lazy import to avoid loading unless requested
from diffusers.pipelines.marigold.pipeline_marigold_normals import MarigoldNormalsPipeline as _NP
NormalsPipe = _NP
self._normals_pipe = NormalsPipe.from_pretrained(
"prs-eth/marigold-normals-v1-1",
torch_dtype=self._dtype,
).to(self._device)
try:
self._normals_pipe.set_progress_bar_config(disable=True)
except Exception:
pass
def _run_normals(self, pil_img: Image.Image) -> Dict[str, Any]:
try:
self._ensure_normals_loaded()
# Do NOT pass processing_res to avoid the earlier error.
# Most versions work with just the image (and optionally steps if supported).
out = self._normals_pipe(pil_img)
# Try common fields in order
pred = None
for key in ("prediction", "pred_normals"):
if hasattr(out, key):
pred = getattr(out, key)
break
if pred is None and hasattr(out, "images") and out.images:
# Some pipelines return PIL in images[0]
pred = out.images[0]
# Convert to info + small preview b64
if isinstance(pred, torch.Tensor):
arr = pred.detach().cpu().numpy()
shape = list(arr.shape)
dtype_str = str(arr.dtype)
png_b64 = _to_uint8_png_b64(arr)
elif isinstance(pred, np.ndarray):
shape = list(pred.shape)
dtype_str = str(pred.dtype)
png_b64 = _to_uint8_png_b64(pred)
elif isinstance(pred, Image.Image):
shape = [pred.height, pred.width, 3]
dtype_str = "uint8"
png_b64 = _to_uint8_png_b64(pred)
else:
return {"error": f"Unexpected prediction type: {type(pred)}"}
if png_b64 is None:
return {"error": "Too many dimensions: 4 > 3."}
return {
"tensors_info": {"shape": shape, "dtype": dtype_str},
"preview_png_b64": png_b64,
}
except torch.cuda.OutOfMemoryError:
return {"error": "GPU out of memory. Try a smaller image."}
except Exception as e:
return {"error": f"Normals prediction failed: {str(e)}"}
# ---------------- Intrinsics (unchanged behavior) ----------------
def _run_intrinsics(self, pil_img: Image.Image, num_steps: int) -> Dict[str, Any]:
# Inference (as before)
with torch.inference_mode():
out = self.pipe(pil_img, num_inference_steps=num_steps)
pred = out.prediction
# Support torch.Tensor OR numpy.ndarray
if isinstance(pred, torch.Tensor):
pred_np = pred.detach().cpu().numpy()
elif isinstance(pred, np.ndarray):
pred_np = pred
else:
return {"error": f"Unexpected prediction type: {type(pred)}"}
# pred_np expected shape: (T, H, W, 3) or (H, W, 3) depending on pipeline
shape = list(pred_np.shape)
dtype_str = str(pred_np.dtype)
# Visualizations (best-effort) — unchanged
vis = {}
vis_err = None
try:
# visualize_intrinsics expects numpy prediction and the pipeline's target_properties
vis_list = self.pipe.image_processor.visualize_intrinsics(pred_np, self.pipe.target_properties)
# vis_list is a list over batch; we run single image, so index 0
if vis_list and isinstance(vis_list[0], dict):
for name, im in vis_list[0].items():
if isinstance(im, Image.Image):
buf = io.BytesIO()
im.save(buf, format="PNG")
vis[name] = base64.b64encode(buf.getvalue()).decode("utf-8")
except Exception as e:
vis_err = f"Failed to visualize: {e}"
return {
"targets": self.targets,
"tensors_info": {"shape": shape, "dtype": dtype_str},
"uncertainty_available": False,
"visualizations_png_b64": vis or None,
"visualizations_error": vis_err,
}
# ---------------- Entry point ----------------
def __call__(self, data: Dict[str, Any]) -> Dict[str, Any]:
try:
if "inputs" not in data:
return {"error": "Body must include an 'inputs' key."}
# Parameters can be at top-level or under 'parameters'
params = {}
params.update({k: v for k, v in data.items() if k != "inputs"})
if isinstance(data.get("parameters"), dict):
params.update(data["parameters"])
# Which outputs to return?
ret = params.get("return", ["intrinsics"])
if isinstance(ret, str):
ret = [ret]
ret = [r.lower() for r in ret]
# Steps (intrinsics)
try:
num_steps = int(params.get("num_inference_steps", self.default_intr_steps))
except Exception:
num_steps = self.default_intr_steps
# Decode image
try:
pil_img = _image_from_inputs(data["inputs"])
except Exception as e:
return {"error": f"Failed to decode 'inputs': {e}"}
result: Dict[str, Any] = {"outputs": {}}
if "normals" in ret:
result["outputs"]["normals"] = self._run_normals(pil_img)
if "intrinsics" in ret or not ret:
intr_res = self._run_intrinsics(pil_img, num_steps=num_steps)
# sanity check that vis contains expected keys when available
if isinstance(intr_res, dict) and "targets" in intr_res:
# Keep your original “intrinsics-only” structure nested
result["outputs"]["intrinsics"] = intr_res
else:
result["outputs"]["intrinsics"] = {
"error": "Intrinsics pipeline did not return expected outputs (albedo, diffuse_shading, residual)."
}
# If only one branch requested, return only that branch in 'outputs'
return result
except Exception as e:
return {"error": f"{e}"}
finally:
if torch.cuda.is_available():
torch.cuda.empty_cache()