First version of the multiplate export / download of experiments.

Goal is to allow users download multiples experiments (inside a project).
Useful for experiment / metadata export

elab_bridge/server_interface.py

@@ -4,6 +4,22 @@
 import pandas as pd
 
 
+def extended_download(server_config_json, experiment_tags):
+    api_client = get_elab_config(server_config_json)
+    experiment_api = elabapi_python.ExperimentsApi(api_client)
+
+    response = experiment_api.read_experiments_with_http_info(tags=experiment_tags)
+
+    experiments = response[0]
+
+    experiment_ids = []
+
+    for experiment in experiments:
+        experiment_ids.append(experiment.id)
+
+    return experiment_ids
+
+
 def download_experiment(save_to, server_config_json, experiment_id, format='json', experiment_axis='columns'):
     """
     Download an individual experiment.

elab_bridge/tests/test_server_interface.py

@@ -1,6 +1,6 @@
 from diglab_utils.test_utils import (test_directory, initialize_test_dir)
 from elab_bridge.server_interface import (download_experiment, upload_template, upload_experiment,
-                                          delete_template, delete_experiment)
+                                          delete_template, delete_experiment, extended_download)
 
 SERVER_CONFIG_YAML = (test_directory / 'testfiles_elab' / 'TestProject' / 'project.json').resolve()
 
@@ -52,3 +52,22 @@ def test_download_experiment(initialize_test_dir):
     # cleanup
     delete_experiment(server_config_json=SERVER_CONFIG_YAML, experiment_id=experiment_id)
     json_file.unlink()
+
+
+def test_extended_download(initialize_test_dir):
+    json_file = test_directory / 'testfiles_elab' / 'downloaded_experiment.json'
+
+    experiments_ids = extended_download(server_config_json=SERVER_CONFIG_YAML, experiment_tags=['BIDS'])
+    print(experiments_ids)
+
+    for experiment_id in experiments_ids:
+
+        experiment = download_experiment(save_to=json_file,
+                                         server_config_json=SERVER_CONFIG_YAML,
+                                         experiment_id=experiment_id,
+                                         format='json')
+        assert json_file.exists()
+        assert 'extra_fields' in experiment
+
+    # cleanup
+    json_file.unlink()