add init_seq_func to focussingSequence function. Add 'start_idx' key to sequenc control dictionary (see getFocusSequencePars). Rewrite aps

focus_seq_FLI.py

@@ -20,6 +20,26 @@ import pathlib as pl
 # --- FLI-hardware related (ROBOTEL variant)
 
 
+def init_seq(seq_kwds):
+    # remove extension as Eddy's 'fli_control' add hardcoded '.fit'
+    pt = pl.Path(seq_kwds["root_filename"]).with_suffix("")
+    seq_kwds["root_filename"] = str(pt)
+
+    #
+    #
+
+    foc_files = list(
+        pt.absolute().parent.glob("{}_[0-9][0-9][0-9][0-9].fit".format(pt.stem))
+    )
+
+    seq_kwds["start_idx"] = 1
+    N = len(foc_files)
+    if N > 0:
+        seq_kwds["start_idx"] = N
+
+    return 0
+
+
 def set_focus(foc_val):
     cmd = ["fli_control", "-g", str(int(foc_val))]
     ret = sp.run(cmd, stdout=sp.PIPE, stderr=sp.PIPE)
@@ -55,6 +75,6 @@ if __name__ == "__main__":
         description="FLI CCD and focuser hardware: focussing sequence implementation. It is assumed that 'fli_control' software is installed in the OS.",
     )
 
-    ret = focussing_app(parser, set_focus, get_image)
+    ret = focussing_app(parser, init_seq, set_focus, get_image)
 
     sys.exit(ret)