attempting to capture manga-py output in response.

main.py

@@ -2,6 +2,7 @@ from flask_sqlalchemy import SQLAlchemy
 from flask import Flask, jsonify, render_template, request
 import json
 import os
+import subprocess
 
 
 PATH = '/download'
@@ -54,8 +55,12 @@ def download():
             execute = """manga-py """ + each.url_metadata.base_url+each.manga.url + """ -n \"""" + each.manga.name.strip('?') + """\" -d \"""" + PATH + """\" -z -N --print-json"""
         book['title'] = each.manga.name
         book['command'] = execute
+
+        # os.system(execute)
+        exec_command = subprocess.Popen(execute, stdout=subprocess.PIPE)
+        book['output'] = exec_command.stdout.read()
         updated.append(book)
-        os.system(execute)
+
     missing = check(passin=1)
     return jsonify(manga=updated, missingFlags=missing[0], missingManga=missing[1])