fix(sanitychecks): Patch display issues depending on terminal using c…

…urses

src/pvecontrol/sanitycheck/checks.py

@@ -1,8 +1,7 @@
 from abc import ABC, abstractmethod
-from curses import has_colors as terminal_support_colors
 from enum import Enum
 
-from pvecontrol.utils import fonts, teminal_support_utf_8
+from pvecontrol.utils import fonts, teminal_support_utf_8, terminal_support_colors
 
 class CheckType(Enum):
   HA = 'HIGH_AVAILABILITY'

src/pvecontrol/utils.py

@@ -2,7 +2,7 @@
 import time
 import sys
 import re
-import subprocess
+import curses
 
 from prettytable import PrettyTable
 from collections import OrderedDict
@@ -18,6 +18,23 @@ class fonts:
    UNDERLINE = '\033[4m'
    END = '\033[0m'
 
+def terminal_support_colors():
+  try:
+      _stdscr = curses.initscr()
+      curses.start_color()
+      if curses.has_colors():
+          _num_colors = curses.color_pair(1)
+          if curses.COLORS > 0:
+              return True
+          else:
+              return False
+      else:
+          return False
+  except Exception as e:
+      return False
+  finally:
+      curses.endwin()
+
 def teminal_support_utf_8():
   return sys.stdout.encoding.lower() == 'utf-8'