Computer properties

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "PyBloomer"
-dynamic = ["version"]
+version = "0.0.1"
 requires-python = ">= 3.10"
 dependencies = [
   "numpy>=1.19.5",

src/pybloomer/bloom_filter.py

@@ -36,20 +36,24 @@ def __init__(self,
         self.layers = [np.zeros(layer_size, dtype='bool')]
         self.m = layer_size
 
+    @property
     def num_layers(self) -> int:
         return len(self.layers)
 
+    @property
     def utilization(self) -> float:
         """Return the proportion of bits that are currently set"""
         return self.n / self.m
 
+    @property
     def capacity(self) -> float:
         """Return the proportion of bits that are currently not set"""
-        return 1.0 - self.utilization()
+        return 1.0 - self.utilization
 
+    @property
     def false_positive_rate(self) -> float:
         """Return the probability of recording a false positive"""
-        return self.utilization() ** self.num_hashes
+        return self.utilization ** self.num_hashes
 
     def insert(self, token: str) -> None:
         """Insert a token into the filter"""
@@ -67,7 +71,7 @@ def insert(self, token: str) -> None:
 
                 changed = True
 
-        if changed and self.false_positive_rate() > self.max_false_positive_rate:
+        if changed and self.false_positive_rate > self.max_false_positive_rate:
             self._add_layer()
 
     def exists(self, token: str) -> bool:
@@ -116,7 +120,7 @@ def exists_or_insert(self, token: str) -> bool:
 
                 exists = False
 
-        if not exists and self.false_positive_rate() > self.max_false_positive_rate:
+        if not exists and self.false_positive_rate > self.max_false_positive_rate:
             self._add_layer()
 
         return exists