Fix constructor

mbrs/decoders/base.py

@@ -8,7 +8,7 @@
 
 from mbrs import registry
 from mbrs.metrics.base import Metric, MetricBase, MetricReferenceless
-from mbrs.selectors import Selector, SelectorNbest
+from mbrs.selectors import SELECTOR_NBEST, Selector
 
 
 class DecoderBase(abc.ABC):
@@ -18,7 +18,7 @@ def __init__(
         self,
         cfg: DecoderBase.Config,
         metric: MetricBase,
-        selector: Selector = SelectorNbest(SelectorNbest.Config()),
+        selector: Selector = SELECTOR_NBEST,
     ) -> None:
         self.cfg = cfg
         self.metric = metric

mbrs/decoders/centroid_mbr.py

@@ -9,7 +9,7 @@
 from mbrs import functional, timer
 from mbrs.metrics import MetricAggregatableCache
 from mbrs.modules.kmeans import Kmeans
-from mbrs.selectors import Selector, SelectorNbest
+from mbrs.selectors import SELECTOR_NBEST, Selector
 
 from . import register
 from .mbr import DecoderMBR
@@ -34,7 +34,7 @@ def __init__(
         self,
         cfg: DecoderCentroidMBR.Config,
         metric: MetricAggregatableCache,
-        selector: Selector = SelectorNbest(SelectorNbest.Config()),
+        selector: Selector = SELECTOR_NBEST,
     ) -> None:
         super().__init__(cfg, metric, selector=selector)
         self.kmeans = Kmeans(cfg.kmeans)

mbrs/decoders/pruning_mbr.py

@@ -8,7 +8,7 @@
 
 from mbrs import functional, timer
 from mbrs.metrics import Metric, MetricCacheable
-from mbrs.selectors import Selector, SelectorNbest
+from mbrs.selectors import SELECTOR_NBEST, Selector, SelectorNbest
 
 from . import register
 from .mbr import DecoderMBR
@@ -28,7 +28,7 @@ def __init__(
         self,
         cfg: DecoderPruningMBR.Config,
         metric: Metric,
-        selector: Selector = SelectorNbest(SelectorNbest.Config()),
+        selector: Selector = SELECTOR_NBEST,
     ) -> None:
         if not isinstance(selector, SelectorNbest):
             raise ValueError(

mbrs/metrics/bleurt.py

@@ -62,7 +62,7 @@ class Config(Metric.Config):
         cpu: bool = False
 
     def __init__(self, cfg: MetricBLEURT.Config):
-        self.cfg = cfg
+        super().__init__(cfg)
         self.scorer = BleurtForSequenceClassification.from_pretrained(cfg.model)
         self.tokenizer = BleurtTokenizer.from_pretrained(cfg.model)
         self.max_length = self.tokenizer.max_model_input_sizes[
@@ -197,7 +197,8 @@ def pairwise_scores(
         return torch.cat(scores).view(len(references), len(hypotheses)).transpose(0, 1)
 
     def corpus_score(
-        self, hypotheses: list[str],
+        self,
+        hypotheses: list[str],
         references_lists: list[list[str]],
         sources: Optional[list[str]] = None,
     ) -> float:

mbrs/metrics/comet.py

@@ -34,7 +34,7 @@ class Config(MetricAggregatableCache.Config):
         cpu: bool = False
 
     def __init__(self, cfg: MetricCOMET.Config):
-        self.cfg = cfg
+        super().__init__(cfg)
         self.scorer = load_from_checkpoint(download_model(cfg.model))
         self.scorer.eval()
         for param in self.scorer.parameters():

mbrs/metrics/cometkiwi.py

@@ -32,7 +32,7 @@ class Config(MetricReferenceless.Config):
         cpu: bool = False
 
     def __init__(self, cfg: MetricCOMETkiwi.Config):
-        self.cfg = cfg
+        super().__init__(cfg)
         self.scorer = load_from_checkpoint(download_model(cfg.model))
         self.scorer.eval()
         for param in self.scorer.parameters():

mbrs/metrics/metricx.py

@@ -272,7 +272,7 @@ class InputPrefix:
     }
 
     def __init__(self, cfg: MetricMetricX.Config):
-        self.cfg = cfg
+        super().__init__(cfg)
         self.scorer = MT5ForRegression.from_pretrained(cfg.model)
         os.environ["PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION"] = "python"
         self.tokenizer = AutoTokenizer.from_pretrained(

mbrs/metrics/xcomet.py

@@ -166,7 +166,7 @@ class Config(Metric.Config):
         cpu: bool = False
 
     def __init__(self, cfg: MetricXCOMET.Config):
-        self.cfg = cfg
+        super().__init__(cfg)
         if cfg.model == "myyycroft/XCOMET-lite":
             self.scorer = XCOMETLiteMetric.from_pretrained(cfg.model)
         else:

mbrs/selectors/__init__.py

@@ -5,10 +5,14 @@
 from .diverse import SelectorDiverse
 from .nbest import SelectorNbest
 
+# Singleton of default selector
+SELECTOR_NBEST = SelectorNbest(SelectorNbest.Config())
+
 __all__ = [
     "Selector",
     "SelectorNbest",
     "SelectorDiverse",
     "register",
     "get_selector",
+    "SELECTOR_NBEST",
 ]