import json

def read_ena_data_info_json(fname):
    d = {}
    with open(fname) as json_data:
        json_dict = json.load(json_data)
        for run_id in json_dict:
            if json_dict[run_id]['library_strategy'].lower() == 'rna-seq' and  json_dict[run_id]['library_source'].lower() == 'transcriptomic':
                d[run_id] = 1
    return d


d = read_ena_data_info_json('../Data/information/rnaseq_info_database.json')
print(len(d))