From c66f450aa1af3b7e3097d49bbbb4579735cbccac Mon Sep 17 00:00:00 2001
From: Florian Fischer <florian.fl.fischer@fau.de>
Date: Mon, 12 Aug 2019 20:19:02 +0200
Subject: add requirement check for matplotlib and python version >= 3.6

---
 bench.py | 21 ++++++++++++++++-----
 1 file changed, 16 insertions(+), 5 deletions(-)

diff --git a/bench.py b/bench.py
index ed5a43a..eda6988 100755
--- a/bench.py
+++ b/bench.py
@@ -7,6 +7,7 @@ import importlib
 import os
 import pickle
 import subprocess
+import sys
 import traceback
 
 import src.facter
@@ -46,14 +47,24 @@ def epilog():
                 pickle.dump(src.globalvars.facts, f)
 
 
-def checkDependenciesAndPreconditions():
-    # TODO: matplotlib
-    # TODO: python 3.6
+def check_dependencies():
+    """Check if known requirements of allocbench are met"""
+    # used python 3.6 features: f-strings
+    if sys.version_info[0] < 3 or sys.version_info[1] < 6:
+        logger.critical("At least python version 3.6 is required.")
+        exit(1)
+
+    # matplotlib is needed by Benchmark.plot_*
+    try:
+        import matplotlib
+    except ModuleNotFoundError:
+        logger.critical("matplotlib not found.")
+        exit(1)
     # TODO mariadb
-    pass
+
 
 def main():
-    checkDependenciesAndPreconditions()
+    check_dependencies()
 
     args = parser.parse_args()
     if args.license:
-- 
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