server/analysis/cultural.py

@@ -1,7 +1,6 @@
 import pandas as pd
 import re
 
-from collections import Counter
 from typing import Any
 
 
@@ -14,9 +13,6 @@ class CulturalAnalysis:
         df = original_df.copy()
         s = df[self.content_col].fillna("").astype(str).str.lower()
 
-        in_group_words = {"we", "us", "our", "ourselves"}
-        out_group_words = {"they", "them", "their", "themselves"}
-
         emotion_exclusions = {"emotion_neutral", "emotion_surprise"}
         emotion_cols = [
             c for c in df.columns
@@ -24,11 +20,13 @@ class CulturalAnalysis:
         ]
 
         # Tokenize per row
-        tokens_per_row = s.apply(lambda txt: re.findall(r"\b[a-z]{2,}\b", txt))
+        in_pattern = re.compile(r"\b(we|us|our|ourselves)\b")
+        out_pattern = re.compile(r"\b(they|them|their|themselves)\b")
+        token_pattern = re.compile(r"\b[a-z]{2,}\b")
 
-        total_tokens = int(tokens_per_row.map(len).sum())
+        in_hits = s.str.count(in_pattern)
-        in_hits = tokens_per_row.map(lambda toks: sum(t in in_group_words for t in toks)).astype(int)
+        out_hits = s.str.count(out_pattern)
-        out_hits = tokens_per_row.map(lambda toks: sum(t in out_group_words for t in toks)).astype(int)
+        total_tokens = s.str.count(token_pattern).sum()
 
         in_count = int(in_hits.sum())
         out_count = int(out_hits.sum())
@@ -62,33 +60,15 @@ class CulturalAnalysis:
     def get_stance_markers(self, df: pd.DataFrame) -> dict[str, Any]:
         s = df[self.content_col].fillna("").astype(str)
 
-        hedges = {
+        hedge_pattern = re.compile(r"\b(maybe|perhaps|possibly|probably|likely|seems|seem|i think|i feel|i guess|kind of|sort of|somewhat)\b")
-            "maybe", "perhaps", "possibly", "probably", "likely", "seems", "seem",
+        certainty_pattern = re.compile(r"\b(definitely|certainly|clearly|obviously|undeniably|always|never)\b")
-            "i think", "i feel", "i guess", "kind of", "sort of", "somewhat"
+        deontic_pattern = re.compile(r"\b(must|should|need|needs|have to|has to|ought|required|require)\b")
-        }
+        permission_pattern = re.compile(r"\b(can|allowed|okay|ok|permitted)\b")
-        certainty = {
-            "definitely", "certainly", "clearly", "obviously", "undeniably", "always", "never"
-        }
 
-        deontic = {
+        hedge_counts = s.str.count(hedge_pattern)
-            "must", "should", "need", "needs", "have to", "has to", "ought", "required", "require"
+        certainty_counts = s.str.count(certainty_pattern)
-        }
+        deontic_counts = s.str.count(deontic_pattern)
-
+        perm_counts = s.str.count(permission_pattern)
-        permission = {"can", "allowed", "okay", "ok", "permitted"}
-
-        def count_phrases(text: str, phrases: set[str]) -> int:
-            c = 0
-            for p in phrases:
-                if " " in p:
-                    c += len(re.findall(r"\b" + re.escape(p) + r"\b", text))
-                else:
-                    c += len(re.findall(r"\b" + re.escape(p) + r"\b", text))
-            return c
-
-        hedge_counts = s.apply(lambda t: count_phrases(t, hedges))
-        certainty_counts = s.apply(lambda t: count_phrases(t, certainty))
-        deontic_counts = s.apply(lambda t: count_phrases(t, deontic))
-        perm_counts = s.apply(lambda t: count_phrases(t, permission))
 
         token_counts = s.apply(lambda t: len(re.findall(r"\b[a-z]{2,}\b", t))).replace(0, 1)
 
@@ -108,44 +88,30 @@ class CulturalAnalysis:
             return {"entity_emotion_avg": {}}
 
         emotion_cols = [c for c in df.columns if c.startswith("emotion_")]
-        entity_counter = Counter()
 
-        for row in df["entities"].dropna():
+        entity_df = df[["entities"] + emotion_cols].explode("entities")
-            if isinstance(row, list):
-                for ent in row:
-                    if isinstance(ent, dict):
-                        text = ent.get("text")
-                        if isinstance(text, str):
-                            text = text.strip()
-                            if len(text) >= 3:  # filter short junk
-                                entity_counter[text] += 1
 
-        top_entities = entity_counter.most_common(top_n)
+        entity_df["entity_text"] = entity_df["entities"].apply(
-
+            lambda e: e.get("text").strip()
-        entity_emotion_avg = {}
+            if isinstance(e, dict) and isinstance(e.get("text"), str) and len(e.get("text")) >= 3
-
+            else None
-        for entity_text, _ in top_entities:
-            mask = df["entities"].apply(
-                lambda ents: isinstance(ents, list) and
-                any(isinstance(e, dict) and e.get("text") == entity_text for e in ents)
         )
 
-            post_count = int(mask.sum())
+        entity_df = entity_df.dropna(subset=["entity_text"])
+        entity_counts = entity_df["entity_text"].value_counts().head(top_n)
+        entity_emotion_avg = {}
 
-            if post_count >= min_posts:
+        for entity_text, count in entity_counts.items():
+            if count >= min_posts:
                 emo_means = (
-                    df.loc[mask, emotion_cols]
+                    entity_df[entity_df["entity_text"] == entity_text][emotion_cols]
-                    .apply(pd.to_numeric, errors="coerce")
-                    .fillna(0.0)
                     .mean()
                     .to_dict()
                 )
 
                 entity_emotion_avg[entity_text] = {
-                    "post_count": post_count,
+                    "post_count": int(count),
-                    "emotion_avg": emo_means
+                    "emotion_avg": emo_means,
                 }
 
-        return {
+        return {"entity_emotion_avg": entity_emotion_avg}
-            "entity_emotion_avg": entity_emotion_avg
-        }