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Support str() for ctypes.Structure classes #7

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Support str() for ctypes.Structure classes #7

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109b57d
Convert _stx_timestamp into a _StructStatxTimestamp property
bdrung Apr 28, 2025
98c32a7
Support str() for ctypes.Structure classes
bdrung Apr 28, 2025
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28 changes: 19 additions & 9 deletions statx/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -48,6 +48,14 @@ class _StructStatxTimestamp(ctypes.Structure):
('__statx_timestamp_pad1', ctypes.c_int * 1)
]

@property
def timestamp(self) -> float:
"""Return statx timestamp."""
return self.tv_sec + self.tv_nsec * 1e-9

def __str__(self) -> str:
return str(self.timestamp)


class _StructStatx(ctypes.Structure):
"""statx data buffer C struct."""
Expand Down Expand Up @@ -87,11 +95,13 @@ class _StructStatx(ctypes.Structure):
('__statx_pad2', ctypes.c_ulonglong * 14)
]


def _stx_timestamp(struct_statx_timestamp):
"""Return statx timestamp."""
return struct_statx_timestamp.tv_sec + \
struct_statx_timestamp.tv_nsec * 1e-9
def __str__(self) -> str:
fields = [
f"{name}={getattr(self, name)}"
for name, _ in self._fields_
if name not in {"__statx_pad1", "__statx_pad2"}
]
return f"{self.__class__.__name__}({', '.join(fields)})"


class _Statx(object):
Expand Down Expand Up @@ -264,28 +274,28 @@ def blocks(self):
def atime(self):
"""Return the last access time."""
if self.mask & self._STATX_ATIME:
return _stx_timestamp(self._struct_statx_buf.stx_atime)
return self._struct_statx_buf.stx_atime.timestamp
return None

@property
def btime(self):
"""Return the birth time."""
if self.mask & self._STATX_BTIME:
return _stx_timestamp(self._struct_statx_buf.stx_btime)
return self._struct_statx_buf.stx_btime.timestamp
return None

@property
def ctime(self):
"""Return the change time."""
if self.mask & self._STATX_CTIME:
return _stx_timestamp(self._struct_statx_buf.stx_ctime)
return self._struct_statx_buf.stx_ctime.timestamp
return None

@property
def mtime(self):
"""Return the modification time."""
if self.mask & self._STATX_MTIME:
return _stx_timestamp(self._struct_statx_buf.stx_mtime)
return self._struct_statx_buf.stx_mtime.timestamp
return None


Expand Down