REF: Move sas pyx files to _libs (#53297)

Author: lithomas1

pandas/io/sas/_byteswap.pyi renamed to pandas/_libs/byteswap.pyi

@@ -103,6 +103,8 @@ libs_sources = {
     'ops_dispatch': {'sources': ['ops_dispatch.pyx']},
     'properties': {'sources': ['properties.pyx']},
     'reshape': {'sources': ['reshape.pyx']},
+    'sas': {'sources': ['sas.pyx']},
+    'byteswap': {'sources': ['byteswap.pyx']},
     'sparse': {'sources': ['sparse.pyx', _sparse_op_helper]},
     'tslib': {'sources': ['tslib.pyx'],
               'include_dirs': inc_datetime},

pandas/io/sas/byteswap.pyx renamed to pandas/_libs/byteswap.pyx

@@ -28,6 +28,17 @@
 
 import numpy as np
 
+from pandas._libs.byteswap import (
+    read_double_with_byteswap,
+    read_float_with_byteswap,
+    read_uint16_with_byteswap,
+    read_uint32_with_byteswap,
+    read_uint64_with_byteswap,
+)
+from pandas._libs.sas import (
+    Parser,
+    get_subheader_index,
+)
 from pandas.errors import (
     EmptyDataError,
     OutOfBoundsDatetime,
@@ -40,17 +51,6 @@
 )
 
 from pandas.io.common import get_handle
-from pandas.io.sas._byteswap import (
-    read_double_with_byteswap,
-    read_float_with_byteswap,
-    read_uint16_with_byteswap,
-    read_uint32_with_byteswap,
-    read_uint64_with_byteswap,
-)
-from pandas.io.sas._sas import (
-    Parser,
-    get_subheader_index,
-)
 import pandas.io.sas.sas_constants as const
 from pandas.io.sas.sasreader import ReaderBase
 

pandas/_libs/meson.build

@@ -13,7 +13,6 @@ inc_datetime = include_directories('_libs/tslibs')
 fs.copyfile('__init__.py')
 
 subdir('_libs')
-subdir('io')
 
 subdirs_list = [
     '_config',
@@ -24,6 +23,7 @@ subdirs_list = [
     'compat',
     'core',
     'errors',
+    'io',
     'plotting',
     'tests',
     'tseries',

pandas/io/sas/_sas.pyi renamed to pandas/_libs/sas.pyi

@@ -7,16 +7,16 @@
 import numpy as np
 import pytest
 
-import pandas._testing as tm
-
-from pandas.io.sas._byteswap import (
+from pandas._libs.byteswap import (
     read_double_with_byteswap,
     read_float_with_byteswap,
     read_uint16_with_byteswap,
     read_uint32_with_byteswap,
     read_uint64_with_byteswap,
 )
 
+import pandas._testing as tm
+
 
 @given(read_offset=st.integers(0, 11), number=st.integers(min_value=0))
 @example(number=2**16, read_offset=0)

pandas/io/sas/sas.pyx renamed to pandas/_libs/sas.pyx

@@ -225,8 +225,8 @@ class CheckSDist(sdist_class):
         "pandas/_libs/tslibs/vectorized.pyx",
         "pandas/_libs/window/indexers.pyx",
         "pandas/_libs/writers.pyx",
-        "pandas/io/sas/sas.pyx",
-        "pandas/io/sas/byteswap.pyx",
+        "pandas/_libs/sas.pyx",
+        "pandas/_libs/byteswap.pyx",
     ]
 
     _cpp_pyxfiles = [
@@ -558,8 +558,8 @@ def srcpath(name=None, suffix=".pyx", subdir="src"):
     },
     "_libs.window.indexers": {"pyxfile": "_libs/window/indexers"},
     "_libs.writers": {"pyxfile": "_libs/writers"},
-    "io.sas._sas": {"pyxfile": "io/sas/sas"},
-    "io.sas._byteswap": {"pyxfile": "io/sas/byteswap"},
+    "_libs.sas": {"pyxfile": "_libs/sas"},
+    "_libs.byteswap": {"pyxfile": "_libs/byteswap"},
 }
 
 extensions = []