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.")