fold_events keyword validation

stingray/pulse/pulsar.py

@@ -113,8 +113,8 @@
 
     """
 
-    ph0 = _default_value_if_no_key(opts, "ph0", 0)
-    to_1 = _default_value_if_no_key(opts, "to_1", True)
+    ph0 = dict.pop(opts, "ph0", 0)
+    to_1 = dict.pop(opts, "to_1", True)
     ph = ph0
 
     for i_f, f in enumerate(frequency_derivatives):
@@ -263,18 +263,24 @@
     profile_err : array of floats
         The uncertainties on the pulse profile
     """
-    mode = _default_value_if_no_key(opts, "mode", "ef")
-    nbin = _default_value_if_no_key(opts, "nbin", 16)
-    weights = _default_value_if_no_key(opts, "weights", 1)
+
+    mode = dict.pop(opts, "mode", "ef")
+    nbin = dict.pop(opts, "nbin", 16)
+    weights = dict.pop(opts, "weights", 1)
     # If no key is passed, *or gti is None*, defaults to the
     # initial and final event
-    gti = _default_value_if_no_key(opts, "gti", None)
+    gti = dict.pop(opts, "gti", None)
     if gti is None:
         gti = [[times[0], times[-1]]]
     # Be safe if gtis are a list
     gti = np.asanyarray(gti)
-    ref_time = _default_value_if_no_key(opts, "ref_time", 0)
-    expocorr = _default_value_if_no_key(opts, "expocorr", False)
+    ref_time = dict.pop(opts, "ref_time", 0)
+    expocorr = dict.pop(opts, "expocorr", False)
+
+    if opts:
+        raise ValueError(
+            f"Unidentified keys: {opts.keys()} \n Please refer to the description of the function for optional parameters."
+        )
 
     if not isinstance(weights, Iterable):
         weights *= np.ones(len(times))