DOC: Fixing EX01 - Added examples (#54324)

* Examples NumpyExtensionArray ...

* After merge

Author: DeaMariaLeon

ci/code_checks.sh

@@ -64,13 +64,10 @@ if [[ -z "$CHECK" || "$CHECK" == "docstrings" ]]; then
     MSG='Partially validate docstrings (EX01)' ;  echo $MSG
     $BASE_DIR/scripts/validate_docstrings.py --format=actions --errors=EX01 --ignore_functions \
         pandas.NaT \
-        pandas.io.stata.StataReader.value_labels \
-        pandas.io.stata.StataReader.variable_labels \
         pandas.io.stata.StataWriter.write_file \
         pandas.plotting.deregister_matplotlib_converters \
         pandas.plotting.register_matplotlib_converters \
         pandas.api.extensions.ExtensionArray \
-        pandas.arrays.NumpyExtensionArray \
     RET=$(($RET + $?)) ; echo $MSG "DONE"
 
 fi

pandas/core/arrays/numpy_.py

@@ -73,6 +73,13 @@ class NumpyExtensionArray(  # type: ignore[misc]
     Methods
     -------
     None
+
+    Examples
+    --------
+    >>> pd.arrays.NumpyExtensionArray(np.array([0, 1, 2, 3]))
+    <NumpyExtensionArray>
+    [0, 1, 2, 3]
+    Length: 4, dtype: int64
     """
 
     # If you're wondering why pd.Series(cls) doesn't put the array in an

pandas/io/stata.py

@@ -2063,6 +2063,22 @@ def variable_labels(self) -> dict[str, str]:
         Returns
         -------
         dict
+
+        Examples
+        --------
+        >>> df = pd.DataFrame([[1, 2], [3, 4]], columns=["col_1", "col_2"])
+        >>> time_stamp = pd.Timestamp(2000, 2, 29, 14, 21)
+        >>> path = "/My_path/filename.dta"
+        >>> variable_labels = {"col_1": "This is an example"}
+        >>> df.to_stata(path, time_stamp=time_stamp,  # doctest: +SKIP
+        ...             variable_labels=variable_labels, version=None)  # doctest: +SKIP
+        >>> with pd.io.stata.StataReader(path) as reader:  # doctest: +SKIP
+        ...     print(reader.variable_labels())  # doctest: +SKIP
+        {'index': '', 'col_1': 'This is an example', 'col_2': ''}
+        >>> pd.read_stata(path)  # doctest: +SKIP
+            index col_1 col_2
+        0       0    1    2
+        1       1    3    4
         """
         self._ensure_open()
         return dict(zip(self._varlist, self._variable_labels))
@@ -2074,6 +2090,22 @@ def value_labels(self) -> dict[str, dict[float, str]]:
         Returns
         -------
         dict
+
+        Examples
+        --------
+        >>> df = pd.DataFrame([[1, 2], [3, 4]], columns=["col_1", "col_2"])
+        >>> time_stamp = pd.Timestamp(2000, 2, 29, 14, 21)
+        >>> path = "/My_path/filename.dta"
+        >>> value_labels = {"col_1": {3: "x"}}
+        >>> df.to_stata(path, time_stamp=time_stamp,  # doctest: +SKIP
+        ...             value_labels=value_labels, version=None)  # doctest: +SKIP
+        >>> with pd.io.stata.StataReader(path) as reader:  # doctest: +SKIP
+        ...     print(reader.value_labels())  # doctest: +SKIP
+        {'col_1': {3: 'x'}}
+        >>> pd.read_stata(path)  # doctest: +SKIP
+            index col_1 col_2
+        0       0    1    2
+        1       1    x    4
         """
         if not self._value_labels_read:
             self._read_value_labels()