Python SDK LakeFSClient generated properties per API (#6296)

* Python SDK genrate code for LakeFSClient - property per API

Each API will have `<name>_api` property as part of the LakeFSClient.
For backward compatibility all current properties, without `_api` were
added but will be deprecated

* use properties to deprecate old members

Makefile

@@ -112,7 +112,7 @@ tools: ## Install tools
 client-python: api/swagger.yml  ## Generate SDK for Python client
 	# remove the build folder as it also holds lakefs_client folder which keeps because we skip it during find
 	rm -rf clients/python/build; cd clients/python && \
-		find . -depth -name lakefs_client -prune -o ! \( -name client.py -or -name Gemfile -or -name Gemfile.lock -or -name _config.yml -or -name .openapi-generator-ignore -or -name templates -or -name setup.mustache \) -delete
+		find . -depth -name lakefs_client -prune -o ! \( -name Gemfile -or -name Gemfile.lock -or -name _config.yml -or -name .openapi-generator-ignore -or -name templates -or -name setup.mustache -or -name client.mustache \) -delete
 	$(OPENAPI_GENERATOR) generate \
 		-i /mnt/$< \
 		-g python \
@@ -121,6 +121,7 @@ client-python: api/swagger.yml  ## Generate SDK for Python client
 		--http-user-agent "lakefs-python-sdk/$(PACKAGE_VERSION)" \
 		--git-user-id treeverse --git-repo-id lakeFS \
 		--additional-properties=infoName=Treeverse,[email protected],packageName=lakefs_client,packageVersion=$(PACKAGE_VERSION),projectName=lakefs-client,packageUrl=https://github.com/treeverse/lakeFS/tree/master/clients/python \
+		-c /mnt/clients/python-codegen-config.yaml \
 		-o /mnt/clients/python
 
 client-java: api/swagger.yml  ## Generate SDK for Java (and Scala) client

clients/python-codegen-config.yaml

@@ -0,0 +1,5 @@
+files:
+  client.mustache:
+    templateType: SupportingFiles
+    folder: lakefs_client
+    destinationFilename: client.py