From 497c1895e8ff24de125d73a05350c95deb7cfe06 Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Wed, 27 Oct 2021 00:34:36 +0200
Subject: [PATCH] Base: [skip ci] expose Rotation.fromEuler() to Python

---
 src/Base/RotationPy.xml    | 17 ++++++++++++++++-
 src/Base/RotationPyImp.cpp | 30 +++++++++++++++++++++++++++++-
 2 files changed, 45 insertions(+), 2 deletions(-)

diff --git a/src/Base/RotationPy.xml b/src/Base/RotationPy.xml
index bfb60e2a70..bd06e47d57 100644
--- a/src/Base/RotationPy.xml
+++ b/src/Base/RotationPy.xml
@@ -83,13 +83,28 @@
 				</UserDocu>
 			</Documentation>
 		</Methode>
+        <Methode Name="fromEuler">
+            <Documentation>
+                <UserDocu>
+                    fromEuler(angle1, angle2, angle3)
+                    Set the Euler angles of this rotation
+                    as yaw-pitch-roll in XY'Z'' convention.
+                    or:
+                    fromEuler(seq, angle1, angle2, angle3)
+                    Get the Euler angles in a given sequence for this rotation.
+
+                    NOTE: The angles are in degree
+                </UserDocu>
+            </Documentation>
+        </Methode>
         <Methode Name="toEuler" Const="true">
 			<Documentation>
 				<UserDocu>
 					toEuler() -> list
 					Get the Euler angles of this rotation
 					as yaw-pitch-roll in XY'Z'' convention
-				</UserDocu>
+                    NOTE: The angles are in degree
+                </UserDocu>
 			</Documentation>
 		</Methode>
         <Methode Name="toEulerAngles" Const="true">
diff --git a/src/Base/RotationPyImp.cpp b/src/Base/RotationPyImp.cpp
index a66997f3b9..556d2731ad 100644
--- a/src/Base/RotationPyImp.cpp
+++ b/src/Base/RotationPyImp.cpp
@@ -279,10 +279,38 @@ PyObject* RotationPy::slerp(PyObject * args)
     return new RotationPy(new Rotation(sl));
 }
 
+PyObject* RotationPy::fromEuler(PyObject * args)
+{
+    double A,B,C;
+    if (PyArg_ParseTuple(args, "ddd", &A, &B, &C)) {
+        this->getRotationPtr()->setYawPitchRoll(A,B,C);
+        Py_Return;
+    }
+
+    PyErr_Clear();
+    const char *seq;
+    if (PyArg_ParseTuple(args, "sddd", &seq, &A, &B, &C)) {
+        try {
+            getRotationPtr()->setEulerAngles(
+                    Rotation::eulerSequenceFromName(seq), A, B, C);
+            Py_Return;
+        }
+        catch (const Base::Exception& e) {
+            e.setPyException();
+            return nullptr;
+        }
+    }
+
+    PyErr_SetString(PyExc_TypeError, "Expected arguments:\n"
+                                     "- float, float, float or\n"
+                                     "- string, float, float, float");
+    return nullptr;
+}
+
 PyObject* RotationPy::toEuler(PyObject * args)
 {
     if (!PyArg_ParseTuple(args, ""))
-        return NULL;
+        return nullptr;
     double A,B,C;
     this->getRotationPtr()->getYawPitchRoll(A,B,C);