Fix and make LocalFilesystemResource.write consistent with the other FS (GCS, S3)

Before writing the target file, if a folder is missing in the file path, it is automatically created

Author: Thierry RAMORASOAVINA

khiops/core/internals/filesystems.py

@@ -463,6 +463,9 @@ def read(self, size=None):
                 return local_file.read(size)
 
     def write(self, data):
+        directory = os.path.dirname(self.path)
+        if len(directory) > 0 and not os.path.isdir(directory):
+            os.makedirs(directory)
         with open(self.path, "wb") as output_file:
             output_file.write(data)
 

tests/test_core.py

@@ -303,7 +303,11 @@ def test_dictionary(self):
             ref_kdic = os.path.join(ref_kdic_dir, f"{dictionary}.kdic")
             ref_kdicj = os.path.join(ref_kdicj_dir, f"{dictionary}.kdicj")
             output_kdic = os.path.join(output_kdic_dir, f"{dictionary}.kdic")
+            output_kdic_in_a_new_folder = os.path.join(
+                output_kdic_dir, "missing_folder", f"{dictionary}.kdic"
+            )
             copy_output_kdic = os.path.join(copy_output_kdic_dir, f"{dictionary}.kdic")
+
             with self.subTest(dictionary=dictionary):
                 if dictionary in dictionaries_warn:
                     with self.assertWarns(UserWarning):
@@ -312,6 +316,8 @@ def test_dictionary(self):
                     domain = kh.read_dictionary_file(ref_kdicj)
                 domain.export_khiops_dictionary_file(output_kdic)
                 assert_files_equal(self, ref_kdic, output_kdic)
+                domain.export_khiops_dictionary_file(output_kdic_in_a_new_folder)
+                assert_files_equal(self, ref_kdic, output_kdic_in_a_new_folder)
 
                 domain_copy = domain.copy()
                 domain_copy.export_khiops_dictionary_file(copy_output_kdic)