sequence_file.py add some function documentation.

server/web2py/applications/vidjil/models/sequence_file.py

@@ -109,6 +109,9 @@ def get_run_id(file_id):
     return run_id
 
 def get_sequence_file_sample_sets(sequence_file_id):
+    '''
+    return the list of sample_sets a sequence_file belongs to
+    '''
     query = db((db.sample_set_membership.sequence_file_id == sequence_file_id)).select(db.sample_set_membership.sample_set_id)
     sample_set_ids = []
     for row in query:
@@ -116,6 +119,9 @@ def get_sequence_file_sample_sets(sequence_file_id):
     return sample_set_ids
 
 def get_sequence_file_config_ids(sequence_file_id):
+    '''
+    return the list of configs run ona sequence_file
+    '''
     query = db((db.results_file.sequence_file_id == sequence_file_id)).select(db.results_file.config_id)
     config_ids = []
     for row in query: