From c7e914ecc075138e3c023a513ffd2f37a3c1e01d Mon Sep 17 00:00:00 2001
From: Markus Lampert <markus@bibi.ca>
Date: Sun, 13 Dec 2020 22:15:32 -0800
Subject: [PATCH] Added hidden preference to suppress the opencamlib error

---
 src/Mod/Path/InitGui.py                     | 3 ++-
 src/Mod/Path/PathScripts/PathPreferences.py | 6 +++++-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/Mod/Path/InitGui.py b/src/Mod/Path/InitGui.py
index d1feaff6a5..3b7f906e91 100644
--- a/src/Mod/Path/InitGui.py
+++ b/src/Mod/Path/InitGui.py
@@ -129,7 +129,8 @@ class PathWorkbench (Workbench):
                 threedcmdgroup = ['Path_3dTools']
                 FreeCADGui.addCommand('Path_3dTools', PathCommandGroup(threedopcmdlist, QtCore.QT_TRANSLATE_NOOP("Path", '3D Operations')))
             except ImportError:
-                FreeCAD.Console.PrintError("OpenCamLib is not working!\n")
+                if not PathPreferences.suppressOpenCamLibWarning():
+                    FreeCAD.Console.PrintError("OpenCamLib is not working!\n")
 
         self.appendToolbar(QtCore.QT_TRANSLATE_NOOP("Path", "Project Setup"), projcmdlist)
         self.appendToolbar(QtCore.QT_TRANSLATE_NOOP("Path", "Tool Commands"), toolcmdlist)
diff --git a/src/Mod/Path/PathScripts/PathPreferences.py b/src/Mod/Path/PathScripts/PathPreferences.py
index f750016372..ee6c842c43 100644
--- a/src/Mod/Path/PathScripts/PathPreferences.py
+++ b/src/Mod/Path/PathScripts/PathPreferences.py
@@ -58,7 +58,8 @@ GeometryTolerance           = "GeometryTolerance"
 LibAreaCurveAccuracy        = "LibAreaCurveAccuarcy"
 
 WarningSuppressRapidSpeeds  = "WarningSuppressRapidSpeeds"
-WarningSuppressSelectionMode  = "WarningSuppressSelectionMode"
+WarningSuppressSelectionMode = "WarningSuppressSelectionMode"
+WarningSuppressOpenCamLib   = "WarningSuppressOpenCamLib"
 EnableExperimentalFeatures  = "EnableExperimentalFeatures"
 
 
@@ -267,6 +268,9 @@ def suppressRapidSpeedsWarning():
 def suppressSelectionModeWarning():
     return preferences().GetBool(WarningSuppressSelectionMode, False)
 
+def suppressOpenCamLibWarning():
+    return preferences().GetBool(WarningSuppressOpenCamLib, False)
+
 
 def lastFileToolLibrary():
     filename = preferences().GetString(LastFileToolLibrary)