import pydicom
import os
import sys

filepath = "/mnt/nextcloud/2026/計畫/TSHA_腦腫瘤驗證標記資料/Brain Tumor Label example/1.2.826.0.1.3680043.8.498.16118352232694493510220170548312112804.dcm"

try:
    ds = pydicom.dcmread(filepath)
    print(f"Transfer Syntax: {ds.file_meta.TransferSyntaxUID}")
    
    try:
        arr = ds.pixel_array
        print("Successfully accessed pixel_array")
        
        # Try converting to uncompressed
        ds.decompress()
        print("Successfully decompressed")
        
    except Exception as e:
        print(f"Error accessing pixel_array or decompressing: {e}")
        # Check for handlers
        import pydicom.uids
        print(f"Available handlers for this syntax: {pydicom.config.pixel_data_handlers}")

except Exception as e:
    print(f"Error reading file: {e}")