Update app.py

app.py

@@ -1,5 +1,5 @@
-# verify_bug2_ver7.py
-# 実行方法: python verify_bug2_ver7.py
+# verify_bug2_ver8.py
+# 実行方法: python verify_bug2_ver8.py
 
 import re
 import difflib
@@ -169,6 +169,7 @@ def filter_opcodes(opcodes):
         else:
             is_diff.append(True)
 
+    # 両端のequal区間はdiff扱いにしない
     for idx in range(n):
         if ops[idx][0] == 'equal':
             is_diff[idx] = False
@@ -189,22 +190,25 @@ def filter_opcodes(opcodes):
             j = i + 1
             while j < n and is_diff[j]:
                 j += 1
-            src_start = ops[i][1]
-            src_end   = ops[j-1][2]
-            dst_start = ops[i][3]
-            dst_end   = ops[j-1][4]
-            has_src_diff = any(ops[k][0] in ('replace', 'delete') for k in range(i, j))
-            has_dst_diff = any(ops[k][0] in ('replace', 'insert') for k in range(i, j))
-            if has_src_diff:
-                result_src.append((src_start, src_end))
-            if has_dst_diff:
-                result_dst.append((dst_start, dst_end))
+            # この範囲内でreplace/delete/insertの文字位置のみ収集
+            for k in range(i, j):
+                tag, i1, i2, j1, j2 = ops[k]
+                if tag in ('replace', 'delete'):
+                    for pos in range(i1, i2):
+                        result_src.append(pos)
+                if tag in ('replace', 'insert'):
+                    for pos in range(j1, j2):
+                        result_dst.append(pos)
             i = j
         else:
             i += 1
 
     return result_src, result_dst
 
+# ============================================================
+# 比較コア
+# ============================================================
+
 def compare_texts(src, dst, settings):
     src_flags = build_active_flags(src, settings)
     dst_flags = build_active_flags(dst, settings)
@@ -228,15 +232,13 @@ def compare_texts(src, dst, settings):
         opcodes = matcher.get_opcodes()
         result_src, result_dst = filter_opcodes(opcodes)
 
-        for a_start, a_end in result_src:
-            orig_start = src_map[a_start]
-            orig_end   = src_map[a_end - 1] + 1
-            src_diff_ranges.append((orig_start, orig_end))
+        for pos in result_src:
+            orig = src_map[pos]
+            src_diff_ranges.append((orig, orig + 1))
 
-        for a_start, a_end in result_dst:
-            orig_start = dst_map[a_start]
-            orig_end   = dst_map[a_end - 1] + 1
-            dst_diff_ranges.append((orig_start, orig_end))
+        for pos in result_dst:
+            orig = dst_map[pos]
+            dst_diff_ranges.append((orig, orig + 1))
 
     has_diff = bool(src_diff_ranges or dst_diff_ranges)
 
@@ -332,7 +334,7 @@ DST25 = (
 # ============================================================
 
 print("=" * 60)
-print("バグ2 検証スクリプト ver7")
+print("バグ2 検証スクリプト ver8")
 print("=" * 60)
 
 # ---- 全設定オフ ----
@@ -381,8 +383,7 @@ run_test("TEST-08 約物無視 設定オフ",
     "吾輩は猫である名前はまだない",
     OFF,
     ["、", "。「", "」", "（", "）", "！"],
-    [],
-    True)
+    [], True)
 
 run_test("TEST-09 約物無視 設定オン",
     "(abc)テスト", "abcテスト",