Python3 Module Dependency Check (#11544)

* Python3 Modul Dependency Check

* code climate

* binary existance check

* move Python Modul Version Check

* .

* adding verbose argument

* args parser nicement

* enhance Validator for detailed approvements

* Update Python.php

* Update check_requirements.py

* python version to Version class
use Process

Co-authored-by: Tony Murray <murraytony@gmail.com>

scripts/check_requirements.py

@@ -1,17 +1,27 @@
 #! /usr/bin/env python3
 import os
+import sys
 import pkg_resources
 from pkg_resources import DistributionNotFound, VersionConflict
 
+args = sys.argv
+
+# verbose flag
+verbose = '-v' in args
+
 target = os.path.realpath(os.path.dirname(__file__) + '/../requirements.txt')
 
 with open(target, 'r') as file:
     requirements = file.read().rstrip().split("\n")
     try:
         pkg_resources.require(requirements)
-    except DistributionNotFound:
+    except DistributionNotFound as req:
+        if verbose:
+            print(req)
         exit(1)
-    except VersionConflict:
+    except VersionConflict as req:
+        if verbose:
+            print(req)
         exit(2)
     exit(0)