filter abstract base class

ISISNeutronMuon · Feb 14, 2025 · 8e17b43 · 8e17b43
1 parent c9efde7
commit 8e17b43
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/MDANSE/Src/MDANSE/Mathematics/Signal.py b/MDANSE/Src/MDANSE/Mathematics/Signal.py
@@ -20,6 +20,7 @@
 from typing import Tuple
 
 import scipy.signal
+from abc import ABC, abstractmethod
 from MDANSE.Mathematics.Arithmetic import weight
 from scipy import signal, fftpack
 
@@ -305,7 +306,7 @@ def get_spectrum(signal, window=None, timeStep=1.0, axis=0, fft="fft"):
 DEFAULT_FILTER_CUTOFF = 25.0
 
 
-class Filter:
+class Filter(ABC):
     """Base class for a filter operating on a signal."""
 
     # Symbolic variable for analog filter transfer function (Laplace plane)
@@ -344,6 +345,7 @@ class FrequencyRangeMethod(Enum):
         CUSTOM: int = 0
         FFT: int = 1
 
+    @abstractmethod
     def __init__(self, **kwargs):
         if not hasattr(self, "default_settings"):
             self.__class__.set_defaults()