feat: collega il lessico semantico al filler

crossword_generator.py

@@ -2,6 +2,7 @@ from __future__ import annotations
 
 from dataclasses import dataclass
 import locale
+import random
 import sys
 import time
 from typing import Dict, Iterable, List, Optional, Sequence, Set, Tuple
@@ -114,6 +115,7 @@ class CrosswordGenerator:
         max_candidates_per_word: int = 12,
         time_limit_seconds: float = 8.0,
         diffxy: int = DIFFXY,
+        seed: Optional[int] = None,
     ) -> None:
         normalized = [self._normalize(word) for word in words]
         unique_words = list(dict.fromkeys(word for word in normalized if len(word) >= 2))
@@ -122,6 +124,8 @@ class CrosswordGenerator:
         self.max_candidates_per_word = max_candidates_per_word
         self.time_limit_seconds = time_limit_seconds
         self.diffxy = diffxy
+        self.seed = seed
+        self.rng = random.Random(seed)
         self.started_at = 0.0
         self.visited: Dict[Tuple[frozenset, Tuple[str, ...]], Tuple[int, int, int]] = {}
         self.nodes_visited = 0
@@ -213,6 +217,8 @@ class CrosswordGenerator:
             reverse=True,
         )
         candidates = candidates[: self.max_candidates_per_word]
+        if len(candidates) > 1:
+            self.rng.shuffle(candidates)
 
         next_remaining = [word for word in remaining_words if word != next_word]
         for placement in candidates:
@@ -253,6 +259,10 @@ class CrosswordGenerator:
                 word,
             ),
         )
+        if len(ranked_words) > 1:
+            top_slice = ranked_words[: min(5, len(ranked_words))]
+            self.rng.shuffle(top_slice)
+            ranked_words = top_slice + ranked_words[min(5, len(ranked_words)) :]
 
         best_word = ranked_words[0]
         best_key: Optional[Tuple[int, int, int, str]] = None