Add versionchanged

Author: jonashaag

pandas/core/frame.py

@@ -2568,10 +2568,13 @@ def to_stata(
             format. Only available if version is 117.  Storing strings in the
             StrL format can produce smaller dta files if strings have more than
             8 characters and values are repeated.
+
         {compression_options}
 
             .. versionadded:: 1.1.0
 
+            .. versionchanged: 1.4.0 Zstandard support.
+
         {storage_options}
 
             .. versionadded:: 1.2.0
@@ -3018,7 +3021,11 @@ def to_xml(
             layout of elements and attributes from original output. This
             argument requires ``lxml`` to be installed. Only XSLT 1.0
             scripts and not later versions is currently supported.
+
         {compression_options}
+
+            .. versionchanged: 1.4.0 Zstandard support.
+
         {storage_options}
 
         Returns

pandas/core/generic.py

@@ -2410,6 +2410,9 @@ def to_json(
             list-like.
 
         {compression_options}
+
+            .. versionchanged:: 1.4.0 Zstandard support.
+
         index : bool, default True
             Whether to include the index values in the JSON string. Not
             including the index (``index=False``) is only supported when

pandas/io/common.py

@@ -269,7 +269,11 @@ def _get_filepath_or_buffer(
     ----------
     filepath_or_buffer : a url, filepath (str, py.path.local or pathlib.Path),
                          or buffer
+
     {compression_options}
+
+        .. versionchanged:: 1.4.0 Zstandard support.
+
     encoding : the encoding to use to decode bytes, default is 'utf-8'
     mode : str, optional
 
@@ -513,8 +517,11 @@ def infer_compression(
     ----------
     filepath_or_buffer : str or file handle
         File path or object.
+
     {compression_options}
 
+        .. versionchanged:: 1.4.0 Zstandard support.
+
     Returns
     -------
     string or None
@@ -624,19 +631,20 @@ def get_handle(
         Mode to open path_or_buf with.
     encoding : str or None
         Encoding to use.
+
     {compression_options}
 
         .. versionchanged:: 1.0.0
-
            May now be a dict with key 'method' as compression mode
            and other keys as compression options if compression
            mode is 'zip'.
 
         .. versionchanged:: 1.1.0
-
            Passing compression options as keys in dict is now
            supported for compression modes 'gzip', 'bz2', 'zstd' and 'zip'.
 
+        .. versionchanged:: 1.4.0 Zstandard support.
+
     memory_map : bool, default False
         See parsers._parser_params for more information.
     is_text : bool, default True

pandas/io/formats/xml.py

@@ -79,6 +79,8 @@ class BaseXMLFormatter:
 
     {compression_options}
 
+        .. versionchanged: 1.4.0 Zstandard support.
+
     storage_options : dict, optional
         Extra options that make sense for a particular storage connection,
         e.g. host, port, username, password, etc.,

pandas/io/json/_json.py

@@ -480,6 +480,8 @@ def read_json(
 
     {decompression_options}
 
+        .. versionchanged: 1.4.0 Zstandard support.
+
     nrows : int, optional
         The number of lines from the line-delimited jsonfile that has to be read.
         This can only be passed if `lines=True`.

pandas/io/parsers/readers.py

@@ -279,7 +279,11 @@
     .. versionchanged:: 1.2
 
        ``TextFileReader`` is a context manager.
+
 {decompression_options}
+
+    .. versionchanged: 1.4.0 Zstandard support.
+
 thousands : str, optional
     Thousands separator.
 decimal : str, default '.'

pandas/io/pickle.py

@@ -47,6 +47,9 @@ def to_pickle(
            Accept URL. URL has to be of S3 or GCS.
 
     {compression_options}
+
+        .. versionchanged:: 1.4.0 Zstandard support.
+
     protocol : int
         Int which indicates which protocol should be used by the pickler,
         default HIGHEST_PROTOCOL (see [1], paragraph 12.1.2). The possible
@@ -139,6 +142,9 @@ def read_pickle(
            Accept URL. URL is not limited to S3 and GCS.
 
     {decompression_options}
+
+        .. versionchanged:: 1.4.0 Zstandard support.
+
     {storage_options}
 
         .. versionadded:: 1.2.0

pandas/io/stata.py

@@ -2194,10 +2194,13 @@ class StataWriter(StataParser):
     variable_labels : dict
         Dictionary containing columns as keys and variable labels as values.
         Each label must be 80 characters or smaller.
+
     {compression_options}
 
         .. versionadded:: 1.1.0
 
+        .. versionchanged:: 1.4.0 Zstandard support.
+
     {storage_options}
 
         .. versionadded:: 1.2.0
@@ -3119,10 +3122,13 @@ class StataWriter117(StataWriter):
         Smaller columns can be converted by including the column name.  Using
         StrLs can reduce output file size when strings are longer than 8
         characters, and either frequently repeated or sparse.
+
     {compression_options}
 
         .. versionadded:: 1.1.0
 
+        .. versionchanged:: 1.4.0 Zstandard support.
+
     value_labels : dict of dicts
         Dictionary containing columns as keys and dictionaries of column value
         to labels as values. The combined length of all labels for a single
@@ -3511,10 +3517,13 @@ class StataWriterUTF8(StataWriter117):
         The dta version to use. By default, uses the size of data to determine
         the version. 118 is used if data.shape[1] <= 32767, and 119 is used
         for storing larger DataFrames.
+
     {compression_options}
 
         .. versionadded:: 1.1.0
 
+        .. versionchanged:: 1.4.0 Zstandard support.
+
     value_labels : dict of dicts
         Dictionary containing columns as keys and dictionaries of column value
         to labels as values. The combined length of all labels for a single

pandas/io/xml.py

@@ -75,6 +75,8 @@ class _XMLFrameParser:
 
     {decompression_options}
 
+        .. versionchanged: 1.4.0 Zstandard support.
+
     storage_options : dict, optional
         Extra options that make sense for a particular storage connection,
         e.g. host, port, username, password, etc.,
@@ -810,6 +812,8 @@ def read_xml(
 
     {decompression_options}
 
+        .. versionchanged: 1.4.0 Zstandard support.
+
     {storage_options}
 
     Returns