Add naive json formatting

Author: mariuszskon

cve_bin_tool/OutputEngine.py

@@ -1,4 +1,5 @@
 import csv
+import json
 import os
 
 from datetime import datetime
@@ -20,11 +21,21 @@ def generate_filename(self, extention=None):
             self.filename = f"output.cve-bin-tool.{now}.{extention}"
 
     def output_cves(self, outfile, output=None):
-
         """ Output a list of CVEs
-        format is modules[checker_name][version] = dict{id: severity}
+        format self.modules[checker_name][version] = dict{id: severity}
+        to other formats like CSV or JSON
         """
+        if output == "json":
+            self.output_json(outfile)
+        else:  # csv, console, or anything else that is unrecognised
+            self.output_csv(outfile)
+
+    def output_json(self, outfile):
+        """ Output a JSON of CVEs """
+        json.dump(self.modules, outfile)
 
+    def output_csv(self, outfile):
+        """ Output a CSV of CVEs """
         writer = csv.writer(outfile)
         writer.writerow(["Module Name", "Version", "CVE Number", "Severity"])
         for modulename, versions in self.modules.items():