bump bzt, libs and remove python 3.6 support (#588)

Author: ometelytsia

README.md

@@ -24,7 +24,7 @@ In case of technical questions, issues or problems with DC Apps Performance Tool
 ## Installation and set up
 
 #### Dependencies
-* Python 3.6-3.8 and pip
+* Python 3.7-3.8 and pip
 * JDK 8
 * Google Chrome web browser
 * Git client (only for Bitbucket DC)

app/util/jmeter/start_jmeter_ui.py

@@ -1,15 +1,20 @@
-import sys
-if sys.version_info < (3, 6):
-    raise SystemExit("ERROR: Script requires Python 3.6+. Current version: {}.\n"
-                     "Please make sure you use correct virtualenv.".format(sys.version_info[0:3]))
-
 import argparse
-from platform import system
 from pathlib import Path
+from platform import system
 from subprocess import run
+from sys import version_info
 
 import yaml
 
+SUPPORTED_PYTHON_VERSIONS = ["3.7", "3.8"]
+
+python_full_version = '.'.join(map(str, version_info[0:3]))
+python_short_version = '.'.join(map(str, version_info[0:2]))
+print("Python version: {}".format(python_full_version))
+if python_short_version not in SUPPORTED_PYTHON_VERSIONS:
+    raise SystemExit("Python version {} is not supported. "
+                     "Supported versions: {}.".format(python_full_version, SUPPORTED_PYTHON_VERSIONS))
+
 JIRA = "jira"
 CONFLUENCE = "confluence"
 BITBUCKET = "bitbucket"

app/util/pre_run/environment_checker.py

@@ -1,6 +1,6 @@
 from sys import version_info
 
-SUPPORTED_PYTHON_VERSIONS = ["3.6", "3.7", "3.8"]
+SUPPORTED_PYTHON_VERSIONS = ["3.7", "3.8"]
 
 python_full_version = '.'.join(map(str, version_info[0:3]))
 python_short_version = '.'.join(map(str, version_info[0:2]))

requirements.txt

@@ -1,6 +1,6 @@
-matplotlib==3.3.4
-pandas==1.1.5
-importlib-metadata==3.1.1
-bzt==1.15.2
-locust==1.4.3
+matplotlib==3.4.1
+pandas==1.2.4
+importlib-metadata==4.0.1
+bzt==1.15.3
+locust==1.4.4
 filelock==3.0.12