Call gs directly when compressing PDFs.

I.e. avoid unnecessary bash invocation.

undercover/fallback.py

@@ -1,6 +1,7 @@
 import types
 import json
 
+
 class MockConnection:
     mock_cursor = types.SimpleNamespace()
     mock_cursor.execute = lambda *a: ()
@@ -21,7 +22,8 @@ class MockConnection:
 
 
 class MockCreator:
-    def create(self, data=None, *a):
+    @staticmethod
+    def create(data=None, *a):
         print(json.JSONEncoder(indent=2).encode(data))
         result = types.SimpleNamespace()
         result.status_code = 200

undercover/pdf_builder.py

@@ -73,10 +73,19 @@ class CLData:
 
         if result.returncode == 0:
             print(build_text + "[SUCCESS]")
-            compress_com = "gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.5 -dNOPAUSE -dQUIET -dBATCH -dPrinted=false -sOutputFile=outputs/" + unique_id + ".compressed.pdf outputs/" + unique_id + ".pdf"
 
             result = subprocess.run(
-                ['bash', '-c', compress_com],
+                [
+                    'gs'
+                    '-sDEVICE=pdfwrite'
+                    '-dCompatibilityLevel=1.5'
+                    '-dNOPAUSE'
+                    '-dQUIET'
+                    '-dBATCH'
+                    '-dPrinted=false'
+                    '-sOutputFile=outputs/' + unique_id + '.compressed.pdf',
+                    'outputs/' + unique_id + '.pdf'
+                ],
                 stdout=subprocess.PIPE,
                 text=True
             )