REF: extract compression property once again

Compression property was previously eliminated after merging master.
The current implementation once again consolidates
data validation inside the setter.

Author: ivanovmg

pandas/io/formats/csvs.py

@@ -60,30 +60,17 @@ def __init__(
         if path_or_buf is None:
             path_or_buf = StringIO()
 
-        # Extract compression mode as given, if dict
-        compression, self.compression_args = get_compression_method(compression)
-        self.compression = infer_compression(path_or_buf, compression)
-
         ioargs = get_filepath_or_buffer(
             path_or_buf,
             encoding=encoding,
-            compression=self.compression,
+            compression=compression,
             mode=mode,
             storage_options=storage_options,
         )
         self.path_or_buf = ioargs.filepath_or_buffer
         self.should_close = ioargs.should_close
         self.mode = ioargs.mode
 
-        # GH21227 internal compression is not used for non-binary handles.
-        if compression and hasattr(self.path_or_buf, "write") and "b" not in self.mode:
-            warnings.warn(
-                "compression has no effect when passing a non-binary object as input.",
-                RuntimeWarning,
-                stacklevel=2,
-            )
-            compression = None
-
         self.sep = sep
         self.na_rep = na_rep
         self.float_format = float_format
@@ -93,6 +80,7 @@ def __init__(
         self.index_label = index_label
         self.encoding = encoding or "utf-8"
         self.errors = errors
+        self.compression = compression
         self.quoting = quoting or csvlib.QUOTE_MINIMAL
         self.quotechar = quotechar
         self.doublequote = doublequote
@@ -106,6 +94,27 @@ def __init__(
         ncols = self.obj.shape[-1]
         self.data = [None] * ncols
 
+    @property
+    def compression(self):
+        return self._compression
+
+    @compression.setter
+    def compression(self, compression):
+        # Extract compression mode as given, if dict
+        compression, self.compression_args = get_compression_method(compression)
+        compression = infer_compression(self.path_or_buf, compression)
+
+        # GH21227 internal compression is not used for non-binary handles.
+        if compression and hasattr(self.path_or_buf, "write") and "b" not in self.mode:
+            warnings.warn(
+                "compression has no effect when passing a non-binary object as input.",
+                RuntimeWarning,
+                stacklevel=2,
+            )
+            compression = None
+
+        self._compression = compression
+
     @property
     def index_label(self):
         return self._index_label