Use HTTPBasicAuth instead of Digest + Refactor

Refactor so we can change this easily in future as desired
currently backend is expecting it in HTTPBasicAuth form so aligning with that for now.
Context of new parallel calls without session

Author: anthony-chaudhary

sdk/diffgram/core/core.py

@@ -17,6 +17,7 @@
 from diffgram.brain.train import Train
 from diffgram.export.export import Export
 from diffgram.task.task import Task
+from requests.auth import HTTPBasicAuth
 
 
 class Project():
@@ -73,6 +74,9 @@ def get_member_list(self):
 		data = response.json()
 		return data['project']['member_list']
 
+	def get_http_auth(self):
+		return HTTPBasicAuth(self.client_id, self.client_secret)
+
 	def get_label(
 			self,
 			name=None,

sdk/diffgram/core/diffgram_dataset_iterator.py

@@ -87,7 +87,9 @@ def __next__(self):
     def __validate_file_ids(self):
         if not self.diffgram_file_id_list:
             return
-        result = self.project.file.file_list_exists(self.diffgram_file_id_list, use_session = False)
+        result = self.project.file.file_list_exists(
+            self.diffgram_file_id_list, 
+            use_session = False)
         if not result:
             raise Exception(
                 'Some file IDs do not belong to the project. Please provide only files from the same project.')

sdk/diffgram/file/file_constructor.py

@@ -5,7 +5,6 @@
 import json
 import os
 import requests
-from requests.auth import HTTPDigestAuth
 
 class FileConstructor():
     """
@@ -422,7 +421,7 @@ def file_list_exists(self, id_list, use_session = True):
             response = requests.post(
                 url = self.client.host + url,
                 json = spec_dict,
-                auth = HTTPDigestAuth(self.client.client_id, self.client.client_secret)
+                auth = self.client.get_http_auth()
             )
         self.client.handle_errors(response)
 
@@ -466,7 +465,7 @@ def get_by_id(self,
             # Add Auth
             response = requests.post(self.client.host + endpoint,
                           json = spec_dict,
-                          auth = HTTPDigestAuth(self.client.client_id, self.client.client_secret))
+                          auth = self.client.get_http_auth())
 
         self.client.handle_errors(response)
 

sdk/diffgram/file/view.py

@@ -1,5 +1,4 @@
 import requests
-from requests.auth import HTTPDigestAuth
 
 
 def get_file_id():
@@ -49,7 +48,7 @@ def get_label_file_dict(self, use_session = True):
         # Add Auth
         response = requests.get(self.host + endpoint,
                                 headers = {'directory_id': str(self.directory_id)},
-                                auth = HTTPDigestAuth(self.client_id, self.client_secret))
+                                auth = self.client.get_http_auth())
 
     self.handle_errors(response)