Fixed double-writes. (#874)

* Fixed file-overwrites on generation.

Signed-off-by: Alex Loyko <alex.loyko96@gmail.com>

* Fixed CHANGELOG

Signed-off-by: Alex Loyko <alex.loyko96@gmail.com>

* fixing test and lint

Signed-off-by: Alex Loyko <alex.loyko96@gmail.com>

* Addressed comments.

Signed-off-by: Alex Loyko <alex.loyko96@gmail.com>

---------

Signed-off-by: Alex Loyko <alex.loyko96@gmail.com>

CHANGELOG.md

@@ -8,6 +8,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 ### Updated APIs
 ### Changed
 - Small refactor of AWS Signer classes for both sync and async clients ([866](https://github.com/opensearch-project/opensearch-py/pull/866))
+- Small refactor to fix overwriting the module files when generating apis ([874](https://github.com/opensearch-project/opensearch-py/pull/874))
 ### Deprecated
 ### Removed
 ### Fixed

test_opensearchpy/test_async/test_connection.py

@@ -233,10 +233,8 @@ class TestAIOHttpConnection:
                 assert w == []
             else:
                 assert len(w) == 1
-                assert (
-                    str(w[0].message) == "enable_cleanup_closed ignored because "
-                    "https://github.com/python/cpython/pull/118960 is fixed in "
-                    "Python version sys.version_info(major=3, minor=12, micro=7, releaselevel='final', serial=0)"
+                assert "https://github.com/python/cpython/pull/118960" in str(
+                    w[0].message
                 )
 
         assert isinstance(con.session, aiohttp.ClientSession)

utils/generate_api.py

@@ -272,9 +272,9 @@ class Module:
             if "from " + utils + " import" not in line
         )
 
-        with open(self.filepath, "w", encoding="utf-8") as file:
+        module_content = ""
         if update_header is True:
-                file.write(
+            module_content += (
                 self.header[:license_position]
                 + "\n"
                 + header_content
@@ -283,20 +283,18 @@ class Module:
                 + self.header[license_position:]
             )
         else:
-                file.write(
+            module_content += (
                 self.header[:header_position]
                 + "\n"
                 + "#replace_token#\n"
                 + self.header[header_position:]
             )
         for api in self._apis:
-                file.write(api.to_python())
+            module_content += api.to_python()
 
         # Generating imports for each module
         utils_imports = ""
-        file_content = ""
-        with open(self.filepath, encoding="utf-8") as file:
-            content = file.read()
+
         keywords = [
             "SKIP_IN_PATH",
             "_normalize_hosts",
@@ -308,16 +306,18 @@ class Module:
             "NamespacedClient",
             "AddonClient",
         ]
-            present_keywords = [keyword for keyword in keywords if keyword in content]
+        present_keywords = [
+            keyword for keyword in keywords if keyword in module_content
+        ]
 
         if present_keywords:
             utils_imports = "from " + utils + " import"
             result = f"{utils_imports} {', '.join(present_keywords)}"
             utils_imports = result
-            file_content = content.replace("#replace_token#", utils_imports)
+        module_content = module_content.replace("#replace_token#", utils_imports)
 
         with open(self.filepath, "w", encoding="utf-8") as file:
-            file.write(file_content)
+            file.write(module_content)
 
     @property
     def filepath(self) -> Any: