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projects/TestFileSizeZero1.py
michaela.buzalkova b45a8b2d00 Initial commit
2025-09-30 08:22:44 +02:00

44 lines
1.1 KiB
Python

import os,stat
filename=r"u:\1.png"
# filename=r"u:\D1\Days\Stefajir\core\misc\draggable.png"
def is_sparse_file_win(path):
try:
import ctypes
from ctypes import wintypes
FILE_ATTRIBUTE_SPARSE_FILE = 0x00000200
GetFileAttributes = ctypes.windll.kernel32.GetFileAttributesW
GetFileAttributes.argtypes = [wintypes.LPCWSTR]
GetFileAttributes.restype = wintypes.DWORD
attrs = GetFileAttributes(path)
return attrs & FILE_ATTRIBUTE_SPARSE_FILE != 0
except:
return False
# import mmap
#
# def is_memory_mapped_file(path):
# try:
# with open(path, 'r+b') as f:
# try:
# mmap.mmap(f.fileno(), 0)
# return True
# except:
# return False
# except OSError:
# return False
# def is_windows_virtual_file(path):
# try:
# st = os.stat(path)
# # Check if it's a character or block device (common for virtual files)
# return stat.S_ISCHR(st.st_mode) or stat.S_ISBLK(st.st_mode)
# except (OSError, AttributeError):
# return False
print(is_sparse_file_win(filename))