1 files changed, 14 insertions, 2 deletions
diff --git a/Python/pywarpx/AMReX.py b/Python/pywarpx/AMReX.py
index 4ce7ac61c..55c11c432 100644
--- a/Python/pywarpx/AMReX.py
+++ b/Python/pywarpx/AMReX.py
@@ -16,8 +16,8 @@ from ._libwarpx import amrex_init
 
 class AMReX(object):
 
-    def init(self):
-        argv = ['warpx']
+    def create_argv_list(self):
+        argv = []
         argv += warpx.attrlist()
         argv += amr.attrlist()
         argv += geometry.attrlist()
@@ -36,7 +36,19 @@ class AMReX(object):
         for particle in particles_list:
             argv += particle.attrlist()
 
+        return argv
+
+    def init(self):
+        argv = ['warpx'] + self.create_argv_list()
         amrex_init(argv)
 
     def finalize(self, finalize_mpi=1):
         libwarpx.amrex_finalize(finalize_mpi)
+
+    def write_inputs(self, filename='inputs'):
+        argv = self.create_argv_list()
+        with open(filename, 'w') as ff:
+
+            for arg in argv:
+                ff.write('{0}\n'.format(arg))
+