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import gradio as gr
import torch
import os
import sys
import tempfile
import shutil
import subprocess
import spaces # Keep this if you use @spaces.GPU
from typing import Any, Dict, List, Union # Added Union
# --- Configuration ---
APP_ROOT_DIR = os.path.abspath(os.path.dirname(__file__)) # Should be /home/user/app
UNIRIG_REPO_DIR = os.path.join(APP_ROOT_DIR, "UniRig")
BLENDER_VERSION_NAME = "blender-4.2.0-linux-x64"
BLENDER_LOCAL_INSTALL_BASE_DIR = os.path.join(APP_ROOT_DIR, "blender_installation")
BLENDER_INSTALL_DIR = os.path.join(BLENDER_LOCAL_INSTALL_BASE_DIR, BLENDER_VERSION_NAME)
BLENDER_PYTHON_VERSION_DIR = "4.2" # From Blender's internal structure
BLENDER_PYTHON_VERSION = "python3.11" # UniRig requirement
BLENDER_PYTHON_DIR = os.path.join(BLENDER_INSTALL_DIR, BLENDER_PYTHON_VERSION_DIR, "python")
BLENDER_PYTHON_BIN_DIR = os.path.join(BLENDER_PYTHON_DIR, "bin")
BLENDER_EXEC = os.path.join(BLENDER_INSTALL_DIR, "blender")
LOCAL_BIN_DIR = os.path.join(APP_ROOT_DIR, "local_bin")
BLENDER_EXEC_LOCAL_SYMLINK = os.path.join(LOCAL_BIN_DIR, "blender")
BLENDER_EXEC_SYMLINK = "/usr/local/bin/blender" # Fallback system symlink
SETUP_SCRIPT = os.path.join(APP_ROOT_DIR, "setup_blender.sh")
SETUP_SCRIPT_TIMEOUT = 1800
# --- Initial Checks ---
print("--- Environment Checks ---")
print(f"APP_ROOT_DIR: {APP_ROOT_DIR}")
print(f"Expected Blender Install Dir: {BLENDER_INSTALL_DIR}")
print(f"Expected Blender Executable: {BLENDER_EXEC}")
blender_executable_to_use = None
if os.path.exists(BLENDER_EXEC):
print(f"Blender executable found at direct local path: {BLENDER_EXEC}")
blender_executable_to_use = BLENDER_EXEC
elif os.path.exists(BLENDER_EXEC_LOCAL_SYMLINK):
print(f"Blender executable found via local symlink: {BLENDER_EXEC_LOCAL_SYMLINK}")
blender_executable_to_use = BLENDER_EXEC_LOCAL_SYMLINK
elif os.path.exists(BLENDER_EXEC_SYMLINK):
print(f"Blender executable found via system symlink: {BLENDER_EXEC_SYMLINK}")
blender_executable_to_use = BLENDER_EXEC_SYMLINK
else:
print(f"Blender executable not found. Running setup script...")
if os.path.exists(SETUP_SCRIPT):
try:
setup_result = subprocess.run(
["bash", SETUP_SCRIPT],
check=True,
capture_output=True,
text=True,
timeout=SETUP_SCRIPT_TIMEOUT
)
print("Setup script executed successfully.")
print(f"Setup STDOUT:\n{setup_result.stdout}")
if setup_result.stderr: print(f"Setup STDERR:\n{setup_result.stderr}")
if os.path.exists(BLENDER_EXEC):
blender_executable_to_use = BLENDER_EXEC
print(f"Blender executable now found at direct local path: {BLENDER_EXEC}")
elif os.path.exists(BLENDER_EXEC_LOCAL_SYMLINK):
blender_executable_to_use = BLENDER_EXEC_LOCAL_SYMLINK
print(f"Blender executable now found via local symlink: {BLENDER_EXEC_LOCAL_SYMLINK}")
elif os.path.exists(BLENDER_EXEC_SYMLINK):
blender_executable_to_use = BLENDER_EXEC_SYMLINK
print(f"Blender executable now found via system symlink: {BLENDER_EXEC_SYMLINK}")
if not blender_executable_to_use:
raise RuntimeError(f"Setup script ran but Blender executable still not found.")
except subprocess.TimeoutExpired:
print(f"ERROR: Setup script timed out: {SETUP_SCRIPT}")
raise gr.Error(f"Setup script timed out. Check logs.")
except subprocess.CalledProcessError as e:
print(f"ERROR running setup script: {SETUP_SCRIPT}\nStderr: {e.stderr}")
raise gr.Error(f"Failed to execute setup script. Stderr: {e.stderr[-500:]}")
except Exception as e:
raise gr.Error(f"Unexpected error running setup script '{SETUP_SCRIPT}': {e}")
else:
raise gr.Error(f"Blender executable not found and setup script missing: {SETUP_SCRIPT}")
bpy_import_ok = False
if blender_executable_to_use:
try:
print("Testing bpy import via Blender...")
test_script_content = "import bpy; print('bpy imported successfully')"
test_result = subprocess.run(
[blender_executable_to_use, "--background", "--python-expr", test_script_content],
capture_output=True, text=True, check=True, timeout=30
)
if "bpy imported successfully" in test_result.stdout:
print("Successfully imported 'bpy' using Blender executable.")
bpy_import_ok = True
else:
print(f"WARNING: 'bpy' import test unexpected output:\nSTDOUT:{test_result.stdout}\nSTDERR:{test_result.stderr}")
except subprocess.TimeoutExpired:
print("WARNING: 'bpy' import test via Blender timed out.")
except subprocess.CalledProcessError as e:
print(f"WARNING: Failed to import 'bpy' using Blender executable:\nSTDOUT:{e.stdout}\nSTDERR:{e.stderr}")
except Exception as e:
print(f"WARNING: Unexpected error during 'bpy' import test: {e}")
else:
print("WARNING: Cannot test bpy import as Blender executable was not found.")
unirig_repo_ok = False
unirig_run_py_ok = False
UNIRIG_RUN_PY = os.path.join(UNIRIG_REPO_DIR, "run.py")
if not os.path.isdir(UNIRIG_REPO_DIR):
raise gr.Error(f"UniRig repository missing at: {UNIRIG_REPO_DIR}.")
else:
print(f"UniRig repository found at: {UNIRIG_REPO_DIR}")
unirig_repo_ok = True
if not os.path.exists(UNIRIG_RUN_PY):
raise gr.Error(f"UniRig's run.py not found at {UNIRIG_RUN_PY}.")
else:
unirig_run_py_ok = True
DEVICE = torch.device("cuda" if torch.cuda.is_available() else "cpu")
print(f"Gradio environment using device: {DEVICE}")
if DEVICE.type == 'cuda':
try:
print(f"Gradio CUDA Device Name: {torch.cuda.get_device_name(0)}")
print(f"Gradio PyTorch CUDA Built Version: {torch.version.cuda}")
except Exception as e:
print(f"Could not get Gradio CUDA device details: {e}")
else:
print("Warning: Gradio environment CUDA not available.")
print("--- End Environment Checks ---")
def patch_asset_py():
asset_py_path = os.path.join(UNIRIG_REPO_DIR, "src", "data", "asset.py")
try:
if not os.path.exists(asset_py_path):
print(f"Warning: asset.py not found at {asset_py_path}, skipping patch.")
return
with open(asset_py_path, "r") as f: content = f.read()
problematic_line = "meta: Union[Dict[str, ...], None]=None"
corrected_line = "meta: Union[Dict[str, Any], None]=None"
typing_import = "from typing import Any"
if corrected_line in content:
print("Patch already applied to asset.py"); return
if problematic_line not in content:
print("Problematic line not found in asset.py, patch might be unnecessary."); return
print("Applying patch to asset.py...")
content = content.replace(problematic_line, corrected_line)
if typing_import not in content:
if "from typing import" in content:
content = content.replace("from typing import", f"{typing_import}\nfrom typing import", 1)
else:
content = f"{typing_import}\n{content}"
with open(asset_py_path, "w") as f: f.write(content)
print("Successfully patched asset.py")
except Exception as e:
print(f"ERROR: Failed to patch asset.py: {e}. Proceeding cautiously.")
@spaces.GPU
def run_unirig_command(python_script_path: str, script_args: List[str], step_name: str):
if not blender_executable_to_use:
raise gr.Error("Blender executable path not determined. Cannot run UniRig step.")
process_env = os.environ.copy()
# PYTHONPATH is set here, but Blender's Python might not fully utilize it for sys.path initialization
# as expected. The bootstrap script below will directly manipulate sys.path.
unirig_src_dir = os.path.join(UNIRIG_REPO_DIR, 'src')
pythonpath_parts = [UNIRIG_REPO_DIR, unirig_src_dir, APP_ROOT_DIR] # Added APP_ROOT_DIR for good measure
existing_pythonpath = process_env.get('PYTHONPATH', '')
if existing_pythonpath:
pythonpath_parts.append(existing_pythonpath)
process_env["PYTHONPATH"] = os.pathsep.join(filter(None, pythonpath_parts))
print(f"Subprocess PYTHONPATH (for Blender env): {process_env['PYTHONPATH']}")
blender_main_lib_path = os.path.join(BLENDER_INSTALL_DIR, "lib")
blender_python_lib_path = os.path.join(BLENDER_PYTHON_DIR, "lib")
ld_path_parts = []
if os.path.exists(blender_main_lib_path): ld_path_parts.append(blender_main_lib_path)
if os.path.exists(blender_python_lib_path): ld_path_parts.append(blender_python_lib_path)
existing_ld_path = process_env.get('LD_LIBRARY_PATH', '')
if existing_ld_path: ld_path_parts.append(existing_ld_path)
if ld_path_parts:
process_env["LD_LIBRARY_PATH"] = os.pathsep.join(filter(None, ld_path_parts))
print(f"Subprocess LD_LIBRARY_PATH: {process_env.get('LD_LIBRARY_PATH', 'Not set')}")
if os.path.isdir(LOCAL_BIN_DIR):
process_env["PATH"] = f"{LOCAL_BIN_DIR}{os.pathsep}{process_env.get('PATH', '')}"
print(f"Subprocess PATH: {process_env.get('PATH', 'Not set')}")
# --- Create a bootstrap script to set sys.path correctly inside Blender's Python ---
bootstrap_content = f"""
import sys
import os
import runpy
# Path to the UniRig repository root
# This directory needs to be in sys.path for 'from src...' imports to work
unirig_repo_dir_abs = '{os.path.abspath(UNIRIG_REPO_DIR)}'
# Path to the actual Python script Blender should run (e.g., UniRig's run.py or a diagnostic script)
original_script_to_run = '{os.path.abspath(python_script_path)}'
print(f"[Bootstrap] Original sys.path: {{sys.path}}", file=sys.stderr)
print(f"[Bootstrap] Current working directory: {{os.getcwd()}}", file=sys.stderr)
print(f"[Bootstrap] UNIRIG_REPO_DIR to add: {{unirig_repo_dir_abs}}", file=sys.stderr)
print(f"[Bootstrap] Original script to run: {{original_script_to_run}}", file=sys.stderr)
# Ensure the UniRig repository directory is at the beginning of sys.path
if unirig_repo_dir_abs not in sys.path:
sys.path.insert(0, unirig_repo_dir_abs)
print(f"[Bootstrap] Modified sys.path: {{sys.path}}", file=sys.stderr)
else:
print(f"[Bootstrap] UNIRIG_REPO_DIR already in sys.path.", file=sys.stderr)
# Blender passes arguments to the --python script after a '--' separator in the main command.
# sys.argv for this bootstrap script will be: [bootstrap_script_path, '--'] + original_script_args
# We need to reconstruct sys.argv for the 'original_script_to_run'.
try:
separator_index = sys.argv.index('--')
args_for_original_script = sys.argv[separator_index + 1:]
except ValueError:
# This case should not happen if app.py always adds '--'
args_for_original_script = []
sys.argv = [original_script_to_run] + args_for_original_script
print(f"[Bootstrap] Executing: {{original_script_to_run}} with sys.argv: {{sys.argv}}", file=sys.stderr)
# Change CWD to UNIRIG_REPO_DIR just before running the script, if not already set.
# The subprocess call in app.py should already set cwd=UNIRIG_REPO_DIR.
# This is a safeguard or for clarity.
if os.getcwd() != unirig_repo_dir_abs:
print(f"[Bootstrap] Changing CWD from {{os.getcwd()}} to {{unirig_repo_dir_abs}}", file=sys.stderr)
os.chdir(unirig_repo_dir_abs)
# Execute the original script
try:
runpy.run_path(original_script_to_run, run_name='__main__')
except Exception as e_runpy:
print(f"[Bootstrap] Error running '{{original_script_to_run}}' with runpy: {{e_runpy}}", file=sys.stderr)
import traceback
traceback.print_exc(file=sys.stderr)
raise # Re-raise the exception to ensure the calling process sees failure
"""
temp_bootstrap_file = None # Define outside try block for visibility in finally
try:
# Use a named temporary file that Blender can access
temp_bootstrap_file = tempfile.NamedTemporaryFile(mode='w', delete=False, prefix="blender_bootstrap_", suffix=".py")
temp_bootstrap_file.write(bootstrap_content)
temp_bootstrap_file.close() # Close the file so Blender can open it
bootstrap_script_path_for_blender = temp_bootstrap_file.name
print(f"Using temporary bootstrap script: {bootstrap_script_path_for_blender}")
cmd = [
blender_executable_to_use,
"--background",
"--python", bootstrap_script_path_for_blender, # Blender executes our bootstrap script
"--" # Separator for Blender args vs. bootstrap/target script args
] + script_args # These args are passed to the bootstrap script, which then passes them to the target
print(f"\n--- Running UniRig Step (via bootstrap): {step_name} ---")
print(f"Command: {' '.join(cmd)}")
result = subprocess.run(
cmd,
cwd=UNIRIG_REPO_DIR, # CWD for the Blender process
capture_output=True,
text=True,
check=True,
env=process_env,
timeout=1800
)
print(f"{step_name} STDOUT:\n{result.stdout}")
if result.stderr:
print(f"{step_name} STDERR (Info/Warnings):\n{result.stderr}")
stderr_lower = result.stderr.lower()
if "error" in stderr_lower or "failed" in stderr_lower or "traceback" in stderr_lower:
# Check for specific bootstrap errors first
if "[bootstrap] error running" in result.stderr.lower():
print(f"ERROR: Bootstrap script reported an error running the target script for {step_name}.")
elif "module 'src' not found" in result.stderr.lower() or "no module named 'src'" in result.stderr.lower() : # Check after bootstrap
print(f"ERROR: 'src' module still not found for {step_name} even after bootstrap. Check sys.path in logs.")
else:
print(f"WARNING: Potential error messages found in STDERR for {step_name} despite success exit code.")
except subprocess.TimeoutExpired:
print(f"ERROR: {step_name} timed out after 30 minutes.")
raise gr.Error(f"Processing step '{step_name}' timed out.")
except subprocess.CalledProcessError as e:
print(f"ERROR during {step_name}: Subprocess failed!")
print(f"Command: {' '.join(e.cmd)}")
print(f"Return code: {e.returncode}")
# Print full stdout/stderr from the error for more context
print(f"--- {step_name} STDOUT (on error) ---:\n{e.stdout}")
print(f"--- {step_name} STDERR (on error) ---:\n{e.stderr}")
error_summary = e.stderr.strip().splitlines()
last_lines = "\n".join(error_summary[-25:]) if error_summary else "No stderr output." # Increased lines
specific_error = "Unknown error."
if "module 'src' not found" in e.stderr.lower() or "no module named 'src'" in e.stderr.lower() :
specific_error = "UniRig script failed to import 'src' module. Bootstrap sys.path modification might have failed. Check diagnostic logs for sys.path content within Blender's Python."
elif "ModuleNotFoundError: No module named 'bpy'" in e.stderr:
specific_error = "The 'bpy' module could not be imported. Check Blender Python setup."
# ... (other specific error checks remain the same) ...
else:
specific_error = f"Check logs. Last error lines:\n{last_lines}"
raise gr.Error(f"Error in UniRig '{step_name}'. {specific_error}")
except FileNotFoundError:
print(f"ERROR: Could not find Blender executable or script for {step_name}.")
raise gr.Error(f"Setup error for UniRig '{step_name}'. Files not found.")
except Exception as e_general:
print(f"An unexpected Python exception in run_unirig_command for {step_name}: {e_general}")
import traceback
traceback.print_exc()
raise gr.Error(f"Unexpected Python error during '{step_name}': {str(e_general)[:500]}")
finally:
# Clean up the temporary bootstrap script
if temp_bootstrap_file and os.path.exists(temp_bootstrap_file.name):
try:
os.remove(temp_bootstrap_file.name)
print(f"Cleaned up temporary bootstrap script: {temp_bootstrap_file.name}")
except Exception as cleanup_e:
print(f"Error cleaning up bootstrap script {temp_bootstrap_file.name}: {cleanup_e}")
print(f"--- Finished UniRig Step (via bootstrap): {step_name} ---")
@spaces.GPU
def rig_glb_mesh_multistep(input_glb_file_obj):
if not blender_executable_to_use:
gr.Warning("System not ready: Blender executable not found.")
return None
if not unirig_repo_ok or not unirig_run_py_ok:
gr.Warning("System not ready: UniRig repository or run.py script not found.")
return None
if not bpy_import_ok:
gr.Warning("System warning: Initial 'bpy' import test failed. Proceeding cautiously.")
try:
patch_asset_py()
except Exception as e:
print(f"Ignoring patch error: {e}")
if input_glb_file_obj is None:
gr.Info("Please upload a .glb file first.")
return None
input_glb_path = input_glb_file_obj
print(f"Input GLB path received: {input_glb_path}")
if not isinstance(input_glb_path, str) or not os.path.exists(input_glb_path):
raise gr.Error(f"Invalid input file path or file does not exist: {input_glb_path}")
if not input_glb_path.lower().endswith(".glb"):
raise gr.Error("Invalid file type. Please upload a .glb file.")
# Use a single temporary directory for all processing for this run
# This directory will be cleaned up at the end.
# The bootstrap script will be created inside this if run_unirig_command doesn't make its own.
# For clarity, run_unirig_command now handles its own bootstrap temp file.
processing_temp_dir = tempfile.mkdtemp(prefix="unirig_processing_")
print(f"Using temporary processing directory: {processing_temp_dir}")
diagnostic_script_path = None # For cleanup in finally
try:
base_name = os.path.splitext(os.path.basename(input_glb_path))[0]
abs_input_glb_path = os.path.abspath(input_glb_path)
abs_skeleton_output_path = os.path.join(processing_temp_dir, f"{base_name}_skeleton.fbx")
abs_skin_output_path = os.path.join(processing_temp_dir, f"{base_name}_skin.fbx")
abs_final_rigged_glb_path = os.path.join(processing_temp_dir, f"{base_name}_rigged_final.glb")
unirig_script_to_run = UNIRIG_RUN_PY # This is an absolute path
print("\n--- Running Blender Python Environment Diagnostic Test (via bootstrap) ---")
# Content of the diagnostic script remains the same
diagnostic_script_content = f"""
import sys
import os
import traceback
print("--- Enhanced Diagnostic Info from Blender Python ---")
print(f"Python Executable: {{sys.executable}}")
print(f"Python Version: {{sys.version.replace('\n', ' ')}}") # Added sys.version
print(f"Current Working Directory (inside script): {{os.getcwd()}}")
print("\nsys.path:")
for i, p in enumerate(sys.path): print(f" {{i}}: {{p}}")
print("\nPYTHONPATH Environment Variable (as seen by script):")
print(os.environ.get('PYTHONPATH', 'PYTHONPATH not set or empty'))
print("\nLD_LIBRARY_PATH Environment Variable (as seen by script):")
print(os.environ.get('LD_LIBRARY_PATH', 'LD_LIBRARY_PATH not set or empty'))
print("\n--- Attempting Critical Imports ---")
# 1. bpy
print("\n1. Attempting 'bpy' import...")
try:
import bpy
print(" SUCCESS: 'bpy' imported.")
print(f" bpy version: {{bpy.app.version_string}}")
except Exception as e:
print(f" FAILED to import 'bpy': {{e}}")
traceback.print_exc(file=sys.stderr)
# 2. UniRig 'src' module
print("\n2. Checking for UniRig 'src' module availability...")
# UNIRIG_REPO_DIR from app.py's function scope will be interpolated here by Python when app.py runs
# The f-string formatting {os.path.abspath(UNIRIG_REPO_DIR)} ensures this path is correctly embedded
# into the script content that Blender's Python will execute.
print(f" Expected UniRig repo parent in sys.path: '{os.path.abspath(UNIRIG_REPO_DIR)}'")
# The following lines are now part of the script executed by Blender's Python:
blender_script_unirig_repo_abspath = r'''{os.path.abspath(UNIRIG_REPO_DIR)}''' # app.py embeds the path string here
found_unirig_in_blender_sys_path = any(os.path.abspath(p) == blender_script_unirig_repo_abspath for p in sys.path)
print(f" Is UNIRIG_REPO_DIR ('{{blender_script_unirig_repo_abspath}}') actually in Blender's sys.path? {{'Yes' if found_unirig_in_blender_sys_path else 'No'}}")
unirig_src_dir_in_cwd_exists = os.path.isdir('src')
print(f" Is 'src' directory present in CWD ('{{os.getcwd()}}')? {'Yes' if unirig_src_dir_in_cwd_exists else 'No'}")
if unirig_src_dir_in_cwd_exists:
init_py_in_src_exists = os.path.isfile(os.path.join('src', '__init__.py'))
print(f" Is 'src/__init__.py' present? {'Yes' if init_py_in_src_exists else 'No'}")
print(" Attempting 'from src.inference.download import download'...")
try:
from src.inference.download import download
print(" SUCCESS: 'from src.inference.download import download' worked.")
except ImportError as e:
print(f" FAILED: 'from src.inference.download import download': {{e}}")
print(f" Make sure '{os.path.abspath(UNIRIG_REPO_DIR)}' is correctly added to sys.path by the bootstrap script executed by Blender.")
traceback.print_exc(file=sys.stderr)
except Exception as e:
print(f" FAILED: 'from src.inference.download import download' with other error: {{e}}")
traceback.print_exc(file=sys.stderr)
# 3. flash_attn
print("\n3. Attempting 'flash_attn' import...")
try:
import flash_attn
print(" SUCCESS: 'flash_attn' imported.")
if hasattr(flash_attn, '__version__'):
print(f" flash_attn version: {{flash_attn.__version__}}")
except Exception as e:
print(f" FAILED to import 'flash_attn': {{e}}")
print(f" Note: flash-attn is expected to be installed by setup_blender.sh from a specific wheel.")
traceback.print_exc(file=sys.stderr)
# 4. spconv
print("\n4. Attempting 'spconv' import...")
try:
import spconv
print(" SUCCESS: 'spconv' imported.")
if hasattr(spconv, 'constants') and hasattr(spconv.constants, 'SPCONV_VERSION'):
print(f" spconv version: {{spconv.constants.SPCONV_VERSION}}")
elif hasattr(spconv, '__version__'):
print(f" spconv version: {{spconv.__version__}}")
except Exception as e:
print(f" FAILED to import 'spconv': {{e}}")
print(f" Note: spconv (e.g., spconv-cu118) should be installed via unirig_requirements.txt in Blender's Python.")
traceback.print_exc(file=sys.stderr)
# 5. torch with CUDA check
print("\n5. Attempting 'torch' import and CUDA check...")
try:
import torch
print(" SUCCESS: 'torch' imported.")
print(f" torch version: {{torch.__version__}}")
cuda_available = torch.cuda.is_available()
print(f" torch.cuda.is_available(): {{cuda_available}}")
if cuda_available:
print(f" torch.version.cuda: {{torch.version.cuda}}")
print(f" torch.cuda.get_device_name(0): {{torch.cuda.get_device_name(0)}}")
print(f" torch.cuda.get_device_capability(0): {{torch.cuda.get_device_capability(0)}}")
else:
print(f" CUDA not available to PyTorch in this Blender Python environment.")
if "cpu" in torch.__version__: # Check if it's a CPU build explicitly
print(" PyTorch build appears to be CPU-only.")
else:
print(" PyTorch build is not CPU-only, but CUDA is still not available. Check drivers/runtime/setup for Blender Python env.")
except Exception as e:
print(f" FAILED to import 'torch' or perform CUDA checks: {{e}}")
traceback.print_exc(file=sys.stderr)
print("\n--- End Enhanced Diagnostic Info ---")
"""
# Save diagnostic script to the processing_temp_dir
diagnostic_script_path = os.path.join(processing_temp_dir, "env_diagnostic_test.py")
with open(diagnostic_script_path, "w") as f: f.write(diagnostic_script_content)
run_unirig_command(diagnostic_script_path, [], "Blender Env Diagnostic") # Args are empty for diagnostic
print("--- Finished Blender Python Environment Diagnostic Test ---\n")
# If the above didn't raise an error, sys.path was likely fixed by bootstrap for the diagnostic.
unirig_device_arg = "device=cpu"
if DEVICE.type == 'cuda':
unirig_device_arg = "device=cuda:0"
print(f"UniRig steps will attempt to use device argument: {unirig_device_arg}")
print("\nStarting Step 1: Predicting Skeleton...")
skeleton_args = [
"--config-name=skeleton_config", "with",
f"input={abs_input_glb_path}",
f"output={abs_skeleton_output_path}",
unirig_device_arg
]
run_unirig_command(unirig_script_to_run, skeleton_args, "Skeleton Prediction")
if not os.path.exists(abs_skeleton_output_path):
raise gr.Error("Skeleton prediction failed. Output file not created.")
print("Step 1: Skeleton Prediction completed.")
print("\nStarting Step 2: Predicting Skinning Weights...")
skin_args = [
"--config-name=skin_config", "with",
f"input={abs_skeleton_output_path}",
f"output={abs_skin_output_path}",
unirig_device_arg
]
run_unirig_command(unirig_script_to_run, skin_args, "Skinning Prediction")
if not os.path.exists(abs_skin_output_path):
raise gr.Error("Skinning prediction failed. Output file not created.")
print("Step 2: Skinning Prediction completed.")
print("\nStarting Step 3: Merging Results...")
merge_args = [
"--config-name=merge_config", "with",
f"source_path={abs_skin_output_path}",
f"target_path={abs_input_glb_path}",
f"output_path={abs_final_rigged_glb_path}",
"mode=skin",
unirig_device_arg
]
run_unirig_command(unirig_script_to_run, merge_args, "Merging Results")
if not os.path.exists(abs_final_rigged_glb_path):
raise gr.Error("Merging process failed. Final rigged GLB file not created.")
print("Step 3: Merging completed.")
print(f"Successfully generated rigged model: {abs_final_rigged_glb_path}")
return gr.update(value=abs_final_rigged_glb_path)
except gr.Error as e:
print(f"A Gradio Error occurred: {e}")
# No need to re-raise, run_unirig_command already does or it's an explicit raise here.
# Let Gradio handle displaying it.
raise # Re-raise to ensure Gradio UI shows the error
except Exception as e:
print(f"An unexpected error occurred in rig_glb_mesh_multistep: {e}")
import traceback; traceback.print_exc()
raise gr.Error(f"An unexpected error occurred: {str(e)[:500]}. Check logs.")
finally:
# Cleanup diagnostic script if it was created
if diagnostic_script_path and os.path.exists(diagnostic_script_path):
try:
os.remove(diagnostic_script_path)
print(f"Cleaned up diagnostic script: {diagnostic_script_path}")
except Exception as cleanup_e:
print(f"Error cleaning up diagnostic script {diagnostic_script_path}: {cleanup_e}")
# Cleanup the main processing directory
if os.path.exists(processing_temp_dir):
try:
shutil.rmtree(processing_temp_dir)
print(f"Cleaned up temp dir: {processing_temp_dir}")
except Exception as cleanup_e:
print(f"Error cleaning up temp dir {processing_temp_dir}: {cleanup_e}")
theme = gr.themes.Soft(
primary_hue=gr.themes.colors.sky,
secondary_hue=gr.themes.colors.blue,
neutral_hue=gr.themes.colors.slate,
font=[gr.themes.GoogleFont("Inter"), "ui-sans-serif", "system-ui", "sans-serif"],
)
startup_error_message = None
if not blender_executable_to_use:
startup_error_message = (f"CRITICAL STARTUP ERROR: Blender executable not located. Expected at {BLENDER_EXEC}")
elif not unirig_repo_ok:
startup_error_message = (f"CRITICAL STARTUP ERROR: UniRig repository not found at {UNIRIG_REPO_DIR}.")
elif not unirig_run_py_ok:
startup_error_message = (f"CRITICAL STARTUP ERROR: UniRig run.py not found at {UNIRIG_RUN_PY}.")
if startup_error_message:
print(startup_error_message)
with gr.Blocks(theme=theme) as iface:
gr.Markdown(f"# Application Startup Error\n\n{startup_error_message}\n\nPlease check Space logs.")
else:
with gr.Blocks(theme=theme) as iface:
gr.Markdown(
f"""
# UniRig Auto-Rigger (Blender {BLENDER_PYTHON_VERSION_DIR} / Python {BLENDER_PYTHON_VERSION})
Upload a `.glb` mesh. UniRig predicts skeleton and skinning weights via Blender's Python.
* App Python: `{sys.version.split()[0]}`, UniRig (Blender): `{BLENDER_PYTHON_VERSION}`.
* Device: **{DEVICE.type.upper()}**.
* Blender: `{blender_executable_to_use}`.
* UniRig Source: [https://github.com/VAST-AI-Research/UniRig](https://github.com/VAST-AI-Research/UniRig)
"""
)
with gr.Row():
with gr.Column(scale=1):
input_model = gr.File(
label="Upload .glb Mesh File",
type="filepath",
file_types=[".glb"]
)
submit_button = gr.Button("Rig Model", variant="primary")
with gr.Column(scale=2):
output_model = gr.Model3D(
label="Rigged 3D Model (.glb)",
clear_color=[0.8, 0.8, 0.8, 1.0],
)
submit_button.click(
fn=rig_glb_mesh_multistep,
inputs=[input_model],
outputs=[output_model]
)
if __name__ == "__main__":
if 'iface' in locals():
print("Launching Gradio interface...")
iface.launch(share=False, ssr_mode=False)
else:
print("ERROR: Gradio interface not created due to startup errors. Check logs.") |