Pretty HTML and beginnings of Destination Policy

utils/hashfunctions.py

@@ -125,3 +125,19 @@ def categorizeHashes(aug_df: pd.DataFrame, threat_tolerance: int, untrusted_publ
     unapproved_df = df[~(mask_needsreview | mask_approved)]
 
     return needsreview_df, approved_df, unapproved_df
+
+def destinationbuilder(df, df2):
+    # Step 1: Explode the 'sha256' list in df2 to create one row per sha256 value
+    df_expanded = df.explode('sha256')
+
+    # Step 2: Create a new dataframe for the result
+    df_hashdestination = df_expanded.copy()
+
+    # Step 3: Populate the 'Destination Allowlist' column based on comparison with df3
+    df_hashdestination['Destination Allowlist'] = df_hashdestination['sha256'].apply(
+        lambda x: 'Parent Policy Baseline' if x in df2['sha256'].values else "Destination Policy Allowlist"
+    )
+
+    # Step 4: Return the new dataframe
+    return df_hashdestination
+