feat: добавлена поддержка логирования при трансформации

src/rulebook.py

@@ -33,6 +33,49 @@ class Rulebook:
                          "amount by setting class variable MAX_DEPTH,"
                          " but may be something wrong with your input")
 
+    def logged_transform(self, string: str) -> tuple[str | None, str]:
+        """
+        Does exactly the same thing as transform, but logging the whole
+        process, so it can be used to create reports
+
+        NOTE: It's literally COPY + PASTE in it's worst, but I don't like
+        the idea of splitting anything apart, because of the specificity
+        of the task
+
+        Returns the result of transformations and full report
+        in str respectively
+        """
+        CENTER_WIDTH: int = 30
+        log = "НАЧАЛО ЛИСТИНГА".center(CENTER_WIDTH, "=") + '\n'
+        log += self._log_rules()
+        log += f"Ввод: \"{string}\"\n"
+        for _ in range(self.MAX_DEPTH):
+            log += string + "\n"
+            rule = self.find_appropriate_rule(string)
+            if rule is None:
+                log += "NO_MORE_RULES".center(CENTER_WIDTH, "_") + '\n'
+                return string, log
+            log += " " * string.find(rule.operand) + self._log_rule(rule) + '\n'
+            string = self._apply_rule(rule, string)
+            if rule.is_blocking:
+                log += string + '\n'
+                log += "FINAL_RULE".center(CENTER_WIDTH, "_") + '\n'
+                return string, log
+        # raise ValueError("The amount of transformations exceeded "
+        #                  f"{self.MAX_DEPTH}. You can change maximum "
+        #                  "amount by setting class variable MAX_DEPTH,"
+        #                  " but may be something wrong with your input")
+
+    def _log_rule(self, rule) -> str:
+        arrow = "->|" if rule.is_blocking else "->"
+        return f"{rule.operand} {arrow} {rule.target}"
+
+    def _log_rules(self) -> str:
+        log = ""
+        for num, rule in enumerate(self.rules, start=1):
+            #log += f"\t{num} : {rule.operand} {arrow} {rule.target}\n"
+            log += " " * 4 + f"{num} : " + self._log_rule(rule) + "\n"
+        return log
 
     def find_appropriate_rule(self, string) -> Rule | None:
         """