feat: truncate by time (#863)

* refactor: move session file lookup logic to folder utils module

* print more info

* lint

rdagent/log/utils/__init__.py

@@ -0,0 +1,77 @@
+import inspect
+import re
+from typing import Dict, Optional, TypedDict, Union
+
+
+class LogColors:
+    """
+    ANSI color codes for use in console output.
+    """
+
+    RED = "\033[91m"
+    GREEN = "\033[92m"
+    YELLOW = "\033[93m"
+    BLUE = "\033[94m"
+    MAGENTA = "\033[95m"
+    CYAN = "\033[96m"
+    WHITE = "\033[97m"
+    GRAY = "\033[90m"
+    BLACK = "\033[30m"
+
+    BOLD = "\033[1m"
+    ITALIC = "\033[3m"
+
+    END = "\033[0m"
+
+    @classmethod
+    def get_all_colors(cls: type["LogColors"]) -> list:
+        names = dir(cls)
+        names = [name for name in names if not name.startswith("__") and not callable(getattr(cls, name))]
+        return [getattr(cls, name) for name in names]
+
+    def render(self, text: str, color: str = "", style: str = "") -> str:
+        """
+        render text by input color and style.
+        It's not recommend that input text is already rendered.
+        """
+        # This method is called too frequently, which is not good.
+        colors = self.get_all_colors()
+        # Perhaps color and font should be distinguished here.
+        if color and color in colors:
+            error_message = f"color should be in: {colors} but now is: {color}"
+            raise ValueError(error_message)
+        if style and style in colors:
+            error_message = f"style should be in: {colors} but now is: {style}"
+            raise ValueError(error_message)
+
+        text = f"{color}{text}{self.END}"
+
+        return f"{style}{text}{self.END}"
+
+    @staticmethod
+    def remove_ansi_codes(s: str) -> str:
+        """
+        It is for removing ansi ctrl characters in the string(e.g. colored text)
+        """
+        ansi_escape = re.compile(r"\x1B\[[0-?]*[ -/]*[@-~]")
+        return ansi_escape.sub("", s)
+
+
+class CallerInfo(TypedDict):
+    function: str
+    line: int
+    name: Optional[str]
+
+
+def get_caller_info() -> CallerInfo:
+    # Get the current stack information
+    stack = inspect.stack()
+    # The second element is usually the caller's information
+    caller_info = stack[2]
+    frame = caller_info[0]
+    info: CallerInfo = {
+        "line": caller_info.lineno,
+        "name": frame.f_globals["__name__"],  # Get the module name from the frame's globals
+        "function": frame.f_code.co_name,  # Get the caller's function name
+    }
+    return info