remove common/xattr.py

common/xattr.py

@@ -1,46 +0,0 @@
-import os
-from cffi import FFI
-from typing import Any, List
-
-# Workaround for the EON/termux build of Python having os.*xattr removed.
-ffi = FFI()
-ffi.cdef("""
-int setxattr(const char *path, const char *name, const void *value, size_t size, int flags);
-ssize_t getxattr(const char *path, const char *name, void *value, size_t size);
-ssize_t listxattr(const char *path, char *list, size_t size);
-int removexattr(const char *path, const char *name);
-""")
-libc = ffi.dlopen(None)
-
-def setxattr(path, name, value, flags=0) -> None:
-  path = path.encode()
-  name = name.encode()
-  if libc.setxattr(path, name, value, len(value), flags) == -1:
-    raise OSError(ffi.errno, f"{os.strerror(ffi.errno)}: setxattr({path}, {name}, {value}, {flags})")
-
-def getxattr(path, name, size=128):
-  path = path.encode()
-  name = name.encode()
-  value = ffi.new(f"char[{size}]")
-  l = libc.getxattr(path, name, value, size)
-  if l == -1:
-    # errno 61 means attribute hasn't been set
-    if ffi.errno == 61:
-      return None
-    raise OSError(ffi.errno, f"{os.strerror(ffi.errno)}: getxattr({path}, {name}, {size})")
-  return ffi.buffer(value)[:l]
-
-def listxattr(path, size=128) -> List[Any]:
-  path = path.encode()
-  attrs = ffi.new(f"char[{size}]")
-  l = libc.listxattr(path, attrs, size)
-  if l == -1:
-    raise OSError(ffi.errno, f"{os.strerror(ffi.errno)}: listxattr({path}, {size})")
-  # attrs is b'\0' delimited values (so chop off trailing empty item)
-  return [a.decode() for a in ffi.buffer(attrs)[:l].split(b"\0")[0:-1]]
-
-def removexattr(path, name) -> None:
-  path = path.encode()
-  name = name.encode()
-  if libc.removexattr(path, name) == -1:
-    raise OSError(ffi.errno, f"{os.strerror(ffi.errno)}: removexattr({path}, {name})")