SoundBot commented on code in PR #47087:
URL: https://github.com/apache/arrow/pull/47087#discussion_r2292728008
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python/pyarrow/_parquet.pyx:
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@@ -2408,3 +2411,77 @@ cdef class ParquetWriter(_Weakrefable):
return result
raise RuntimeError(
'file metadata is only available after writer close')
+
+ @property
+ def properties(self):
+ cdef const WriterProperties* props_ptr
+ cdef WriterPropertiesWrapper result
+
+ props_ptr = &self.writer.get().properties()
+ result = WriterPropertiesWrapper.__new__(WriterPropertiesWrapper)
+ result.init(props_ptr)
+ return result
+
+ @property
+ def arrow_properties(self):
+ cdef ArrowWriterPropertiesWrapper result
+
+ result =
ArrowWriterPropertiesWrapper.__new__(ArrowWriterPropertiesWrapper)
+ result.init(self._arrow_properties)
+ return result
+
+
+cdef class WriterPropertiesWrapper(_Weakrefable):
Review Comment:
That's correct. The full WriterProperties object is accessible in the Cython
code, but the Python wrapper intentionally exposes only a subset.
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