Fixes for the load by post sample

Added sourceFormat in the body
New line after the end of the body for the boundary
Creation of the scope for the credentials
Project ID always in lowercase

Author: Falydoor

bigquery/api/load_data_by_post.py

@@ -60,7 +60,8 @@ def make_post(http, schema, data, project_id, dataset_id, table_id):
                 '        "projectId": "' + project_id + '",\n' +
                 '        "datasetId": "' + dataset_id + '",\n' +
                 '        "tableId": "' + table_id + '"\n' +
-                '      }\n' +
+                '      },\n' +
+                '      "sourceFormat": "NEWLINE_DELIMITED_JSON"' +
                 '    }\n' +
                 '  }\n' +
                 '}\n' +
@@ -71,7 +72,7 @@ def make_post(http, schema, data, project_id, dataset_id, table_id):
     resource += data
 
     # Signify the end of the body
-    resource += ('--xxx--\n')
+    resource += ('\n--xxx--\n')
 
     headers = {'Content-Type': 'multipart/related; boundary=xxx'}
 
@@ -108,6 +109,8 @@ def poll_job(bigquery, job):
 # [START main]
 def main(project_id, dataset_id, table_name, schema_path, data_path):
     credentials = GoogleCredentials.get_application_default()
+    scope = ['https://www.googleapis.com/auth/bigquery']
+    credentials = credentials.create_scoped(scope)
     http = credentials.authorize(httplib2.Http())
     bigquery = discovery.build('bigquery', 'v2', credentials=credentials)
 
@@ -151,7 +154,7 @@ def main(project_id, dataset_id, table_name, schema_path, data_path):
     args = parser.parse_args()
 
     main(
-        args.project_id,
+        args.project_id.lower(),
         args.dataset_id,
         args.table_name,
         args.schema_file,