Add support to declare directory, move to json for k8s

Context that current k8s ingress requires custom headers
So these could get ignored
And there should be way to pass directory from this method

Author: anthony-chaudhary

sdk/diffgram/file/file_constructor.py

@@ -39,6 +39,7 @@ def file_from_response(
     def from_local(
             self,
             path: str,
+            directory_id: int = None,
             instance_list: list = None,
             frame_packet_map: dict = None,
             assume_new_instances_machine_made: bool = True,
@@ -54,35 +55,35 @@ def from_local(
 
         files = {'file': (os.path.basename(path), open(path, 'rb'), 'application/octet-stream')}
 
-        headers = {
-            'immediate_mode': 'True',
-        }
+        json_payload = {}
+
+        if directory_id is None:
+            directory_id = self.client.directory_id
 
-        payload = {}
+        json_payload['directory_id'] = directory_id
 
         if instance_list:
-            payload['instance_list'] = self.__validate_and_format_instance_list(
+            json_payload['instance_list'] = self.__validate_and_format_instance_list(
                 instance_list = instance_list,
                 assume_new_instances_machine_made = assume_new_instances_machine_made,
                 convert_names_to_label_files = convert_names_to_label_files
             )
 
         if frame_packet_map:
-            payload['frame_packet_map'] = self.__validate_and_format_frame_packet_map(
+            json_payload['frame_packet_map'] = self.__validate_and_format_frame_packet_map(
                 frame_packet_map = frame_packet_map,
                 assume_new_instances_machine_made = assume_new_instances_machine_made,
                 convert_names_to_label_files = convert_names_to_label_files
             )
 
-        files['json'] = (None, json.dumps(payload), 'application/json')
+        files['json'] = (None, json.dumps(json_payload), 'application/json')
 
         endpoint = "/api/walrus/v1/project/" + self.client.project_string_id \
                    + "/input/from_local"
 
         response = self.client.session.post(
             self.client.host + endpoint,
-            files = files,
-            headers = headers)
+            files = files)
 
         self.client.handle_errors(response)