Add proper logging support for consoles that don't accept ANSI

pyinstalive/logger.py

@@ -1,3 +1,6 @@
+import sys
+import os
+
 def colors(state):
 	color = ''
 
@@ -21,8 +24,30 @@ def colors(state):
 
 	return color
 
+def supports_color():
+    """
+    from https://github.com/django/django/blob/master/django/core/management/color.py
+    Return True if the running system's terminal supports color,
+    and False otherwise.
+    """
+
+    plat = sys.platform
+    supported_platform = plat != 'Pocket PC' and (plat != 'win32' or 'ANSICON' in os.environ)
+
+    # isatty is not always implemented, #6223.
+    is_a_tty = hasattr(sys.stdout, 'isatty') and sys.stdout.isatty()
+    if not supported_platform or not is_a_tty:
+        return False
+    return True
+
 def log(string, color):
-	print('\033[1m' + colors(color) + string + colors("ENDC"))
+	if not supports_color():
+		print(string)
+	else:
+		print('\033[1m' + colors(color) + string + colors("ENDC"))
 
 def seperator(color):
-	print('\033[1m' + colors(color) + ("-" * 50) + colors("ENDC"))
+	if not supports_color():
+		print("-" * 50)
+	else:
+		print('\033[1m' + colors(color) + ("-" * 50) + colors("ENDC"))