[ref] Make 'normalize_strings' an argument to '__merge_first_string_g…

…roup(...)'

black.py

@@ -2579,18 +2579,78 @@ def _my_regexp(self) -> str:
         return r"^[\s\S]*$"
 
     def _do_transform(self, line: Line, _string_idx: Optional[int]) -> Iterator[Line]:
-        # Merge strings that were split across multiple lines using backslashes.
         new_line = self.__remove_backslash_line_continuation_chars(line)
 
-        (new_line, line_was_changed) = self.__merge_first_string_group(new_line)
+        (new_line, line_was_changed) = self.__merge_first_string_group(
+            new_line, self.normalize_strings
+        )
         while line_was_changed:
-            (new_line, line_was_changed) = self.__merge_first_string_group(new_line)
+            (new_line, line_was_changed) = self.__merge_first_string_group(
+                new_line, self.normalize_strings
+            )
 
         new_line = self.__remove_bad_trailing_commas(new_line)
 
         yield new_line
 
-    def __merge_first_string_group(self, line: Line) -> Tuple[Line, bool]:
+    @staticmethod
+    def __remove_backslash_line_continuation_chars(line: Line) -> Line:
+        """Merge strings that were split across multiple lines using backslashes."""
+        for leaf in line.leaves:
+            if (
+                leaf.type == token.STRING
+                and "\\\n" in leaf.value
+                and leaf.value.lstrip(STRING_PREFIX_CHARS)[:3] not in {'"""', "'''"}
+            ):
+                break
+        else:
+            return line
+
+        new_line = line.clone()
+        new_line.comments = line.comments
+        append_leaves(new_line, line, line.leaves)
+        for leaf in new_line.leaves:
+            if leaf.type == token.STRING and leaf.value.lstrip(STRING_PREFIX_CHARS)[
+                :3
+            ] not in {'"""', "'''"}:
+                leaf.value = leaf.value.replace("\\\n", "")
+
+        return new_line
+
+    @staticmethod
+    def __remove_bad_trailing_commas(line: Line) -> Line:
+        line_str = line_to_string(line)
+        if not re.match(r"^[A-Za-z0-9_]+\(\(?" + STRING_REGEXP + r"\)?,\)", line_str):
+            return line
+
+        already_seen_lpar = False
+        skip_next_rpar = False
+
+        new_line = line.clone()
+        for old_leaf in line.leaves:
+            if old_leaf.type == token.COMMA:
+                continue
+
+            if already_seen_lpar and old_leaf.type == token.LPAR:
+                skip_next_rpar = True
+                continue
+
+            if old_leaf.type == token.LPAR:
+                already_seen_lpar = True
+
+            if skip_next_rpar and old_leaf.type == token.RPAR:
+                skip_next_rpar = False
+                continue
+
+            new_leaf = Leaf(old_leaf.type, old_leaf.value)
+            replace_child(old_leaf, new_leaf)
+            new_line.append(new_leaf)
+
+        return new_line
+
+    def __merge_first_string_group(
+        self, line: Line, normalize_strings: bool
+    ) -> Tuple[Line, bool]:
         first_str_idx = self.__get_string_group_index(line)
 
         if first_str_idx is None:
@@ -2655,7 +2715,7 @@ def __merge_first_string_group(self, line: Line) -> Tuple[Line, bool]:
             return (line, False)
 
         temp_string_leaf = Leaf(token.STRING, string_value)
-        if self.normalize_strings:
+        if normalize_strings:
             normalize_string_quotes(temp_string_leaf)
 
         naked_string_value = temp_string_leaf.value[len(prefix) + 1 : -1]
@@ -2728,60 +2788,6 @@ def __get_string_group_index(line: Line) -> Optional[int]:
 
         return None
 
-    @staticmethod
-    def __remove_backslash_line_continuation_chars(line: Line) -> Line:
-        for leaf in line.leaves:
-            if (
-                leaf.type == token.STRING
-                and "\\\n" in leaf.value
-                and leaf.value.lstrip(STRING_PREFIX_CHARS)[:3] not in {'"""', "'''"}
-            ):
-                break
-        else:
-            return line
-
-        new_line = line.clone()
-        new_line.comments = line.comments
-        append_leaves(new_line, line, line.leaves)
-        for leaf in new_line.leaves:
-            if leaf.type == token.STRING and leaf.value.lstrip(STRING_PREFIX_CHARS)[
-                :3
-            ] not in {'"""', "'''"}:
-                leaf.value = leaf.value.replace("\\\n", "")
-
-        return new_line
-
-    @staticmethod
-    def __remove_bad_trailing_commas(line: Line) -> Line:
-        line_str = line_to_string(line)
-        if not re.match(r"^[A-Za-z0-9_]+\(\(?" + STRING_REGEXP + r"\)?,\)", line_str):
-            return line
-
-        already_seen_lpar = False
-        skip_next_rpar = False
-
-        new_line = line.clone()
-        for old_leaf in line.leaves:
-            if old_leaf.type == token.COMMA:
-                continue
-
-            if already_seen_lpar and old_leaf.type == token.LPAR:
-                skip_next_rpar = True
-                continue
-
-            if old_leaf.type == token.LPAR:
-                already_seen_lpar = True
-
-            if skip_next_rpar and old_leaf.type == token.RPAR:
-                skip_next_rpar = False
-                continue
-
-            new_leaf = Leaf(old_leaf.type, old_leaf.value)
-            replace_child(old_leaf, new_leaf)
-            new_line.append(new_leaf)
-
-        return new_line
-
 
 class StringSplitterMixin(StringTransformerMixin):
     STRING_CHILD_IDX_MAP: ClassVar[Dict[int, Optional[int]]] = {}