post install check (#1541)

A check to verify that python requirements are installed after install.
Exodus Tracker DB update

MobSF/settings.py

@@ -21,7 +21,7 @@ logger = logging.getLogger(__name__)
 # !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 
 
-MOBSF_VER = 'v3.1.4 Beta'
+MOBSF_VER = 'v3.1.5 Beta'
 
 BANNER = """
   __  __       _    ____  _____       _____  _ 

scripts/check_install.py

@@ -0,0 +1,28 @@
+import platform
+
+from pkg_resources import (
+    DistributionNotFound,
+    VersionConflict,
+    require,
+)
+
+from pathlib import Path
+
+plat = platform.system() != 'Windows'
+red = '\033[91m' if plat else ''
+end = '\033[0m' if plat else ''
+bold = '\033[1m' if plat else ''
+req = Path(__file__).resolve().parents[1] / 'requirements.txt'
+dependencies = req.read_text().splitlines()
+
+try:
+    require(dependencies)
+except VersionConflict:
+    pass
+except DistributionNotFound as exp:
+    print(f'{red}{bold}[ERROR] Installation Failed!{end}{red}\n'
+          f'Please ensure that all the requirements '
+          f'mentioned in documentation are installed '
+          f'before you run setup script.\nScroll up to see any '
+          f'installtion errors.\n\n{exp}{end}')
+    exit(1)

setup.bat

@@ -67,6 +67,7 @@ where python >nul 2>&1 && (
   python manage.py migrate
   echo Download and Install wkhtmltopdf for PDF Report Generation - https://wkhtmltopdf.org/downloads.html
   echo [INSTALL] Installation Complete
+  python scripts/check_install.py
 ) || (
   echo [ERROR] python3 is not installed
 )

setup.sh

@@ -87,3 +87,4 @@ if ! [ $? -eq 0 ]; then
     echo 'Download and Install wkhtmltopdf for PDF Report Generation - https://wkhtmltopdf.org/downloads.html'
 fi
 echo '[INSTALL] Installation Complete'
+python scripts/check_install.py