GixyBear.py: Add GixyBear

This commit adds GixyBear.

Closes #1724

bears/general/GixyBear.py

@@ -0,0 +1,23 @@
+from coalib.bearlib.abstractions.Linter import linter
+from coalib.results.RESULT_SEVERITY import RESULT_SEVERITY
+from coalib.results.Result import Result
+import json
+
+
+@linter(executable='gixy')
+class GixyBear:
+    severity_map = {"HIGH": RESULT_SEVERITY.MAJOR,
+    "MEDIUM": RESULT_SEVERITY.NORMAL,
+    "LOW": RESULT_SEVERITY.INFO}
+
+    @staticmethod
+    def create_arguments(filename, file, config_file):
+        return ("--format=json", filename)
+    def process_output(self, output, filename, file):
+        output = json.loads(output) if output else []
+        for issue in output:
+            yield Result.from_values(origin=issue["plugin"],
+                                     message=issue['description'],
+                                     additional_info=issue['reference'],
+                                     severity=self.severity_map[issue["severity"]],
+                                     file=filename)