imports [skip ci]

python/pyarrow/_fs.pxd

@@ -0,0 +1,68 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+# cython: language_level = 3
+
+import six
+
+from pyarrow.compat import frombytes, tobytes
+from pyarrow.includes.common cimport *
+from pyarrow.includes.libarrow cimport PyDateTime_from_TimePoint
+from pyarrow.lib import _detect_compression
+from pyarrow.lib cimport *
+
+
+cpdef enum FileType:
+    NonExistent = <int8_t> CFileType_NonExistent
+    Unknown = <int8_t> CFileType_Unknown
+    File = <int8_t> CFileType_File
+    Directory = <int8_t> CFileType_Directory
+
+
+cdef class FileStats:
+    cdef:
+        CFileStats stats
+
+    @staticmethod
+    cdef FileStats wrap(CFileStats stats)
+
+
+cdef class Selector:
+    cdef:
+        CSelector selector
+
+
+cdef class FileSystem:
+    cdef:
+        shared_ptr[CFileSystem] wrapped
+        CFileSystem* fs
+
+    cdef init(self, const shared_ptr[CFileSystem]& wrapped)
+
+
+cdef class LocalFileSystem(FileSystem):
+    cdef:
+        CLocalFileSystem* localfs
+
+    cdef init(self, const shared_ptr[CFileSystem]& wrapped)
+
+
+cdef class SubTreeFileSystem(FileSystem):
+    cdef:
+        CSubTreeFileSystem* subtreefs
+
+    cdef init(self, const shared_ptr[CFileSystem]& wrapped)

python/pyarrow/_fs.pyx

@@ -37,18 +37,9 @@ cdef inline c_string _path_as_bytes(path) except *:
     return tobytes(path)
 
 
-cpdef enum FileType:
-    NonExistent = <int8_t> CFileType_NonExistent
-    Unknown = <int8_t> CFileType_Unknown
-    File = <int8_t> CFileType_File
-    Directory = <int8_t> CFileType_Directory
-
-
 cdef class FileStats:
     """FileSystem entry stats"""
 
-    cdef CFileStats stats
-
     def __init__(self):
         raise TypeError('dont initialize me')
 
@@ -147,7 +138,6 @@ cdef class Selector:
     recursive : bool, default False
         Whether to recurse into subdirectories.
     """
-    cdef CSelector selector
 
     def __init__(self, base_dir, bint allow_non_existent=False,
                  bint recursive=False):
@@ -183,10 +173,6 @@ cdef class Selector:
 cdef class FileSystem:
     """Abstract file system API"""
 
-    cdef:
-        shared_ptr[CFileSystem] wrapped
-        CFileSystem* fs
-
     def __init__(self):
         raise TypeError("FileSystem is an abstract class, instantiate one of "
                         "the subclasses instead: LocalFileSystem or "
@@ -475,9 +461,6 @@ cdef class LocalFileSystem(FileSystem):
     except when deleting an entry).
     """
 
-    cdef:
-        CLocalFileSystem* localfs
-
     def __init__(self):
         cdef shared_ptr[CLocalFileSystem] wrapped
         wrapped = make_shared[CLocalFileSystem]()
@@ -499,9 +482,6 @@ cdef class SubTreeFileSystem(FileSystem):
     filesystem.
     """
 
-    cdef:
-        CSubTreeFileSystem* subtreefs
-
     def __init__(self, base_path, FileSystem base_fs):
         cdef:
             c_string pathstr

python/pyarrow/_s3.pyx

@@ -21,9 +21,10 @@ import six
 
 from pyarrow.compat import frombytes, tobytes
 from pyarrow.includes.common cimport *
-from pyarrow.includes.libarrow cimport PyDateTime_from_TimePoint
-from pyarrow.lib import _detect_compression
-from pyarrow.lib cimport *
+from pyarrow.includes.libarrow cimport *
+from pyarrow.includes.libarrow_s3 cimport *
+from pyarrow._fs cimport FileSystem
+from pyarrow.lib cimport check_status
 
 
 cdef class S3FileSystem(FileSystem):