Use IANA format for timezone

app.py

@@ -7,15 +7,65 @@ from tools.final_answer import FinalAnswerTool
 
 from Gradio_UI import GradioUI
 
+from datetime import datetime
+import os
+
+def get_iana_zone_from_etc():
+    """
+    Attempt to read /etc/localtime as a symlink and extract the IANA timezone key.
+    This works on many Unix-like systems where /etc/localtime is a symlink to a file
+    inside a directory like /usr/share/zoneinfo/.
+    """
+    etc_localtime = "/etc/localtime"
+    if os.path.exists(etc_localtime) and os.path.islink(etc_localtime):
+        try:
+            link = os.readlink(etc_localtime)
+            # If the link contains 'zoneinfo', we assume the part after it is the zone name.
+            if "zoneinfo" in link:
+                # Normalize path separators
+                parts = link.split(os.sep)
+                if "zoneinfo" in parts:
+                    idx = parts.index("zoneinfo")
+                    return os.sep.join(parts[idx+1:])
+        except OSError:
+            pass
+    return None
+
+def get_local_timezone_name():
+    """
+    Attempt to obtain a human-readable IANA timezone name.
+    First, check if the tzinfo object from datetime.now().astimezone() has a 'key' or 'zone' attribute.
+    If not, try to extract it from /etc/localtime (Unix only) or from the TZ environment variable.
+    """
+    local_dt = datetime.datetime.now().astimezone()
+    tz = local_dt.tzinfo
+    # Try to get the IANA name from the tzinfo object
+    tz_name = getattr(tz, 'key', None) or getattr(tz, 'zone', None)
+    # If the name is an offset (e.g. "+01"), we want to try a fallback.
+    if tz_name is None or tz_name.startswith(('+', '-')):
+        # First try reading /etc/localtime (works on many Unix systems)
+        zone_from_etc = get_iana_zone_from_etc()
+        if zone_from_etc:
+            return zone_from_etc
+        # Next, check if TZ environment variable is set to an IANA name.
+        tz_env = os.environ.get("TZ")
+        if tz_env:
+            return tz_env
+        # Otherwise, fallback to the string representation of tzinfo
+        return str(tz)
+    return tz_name
+
+
 # Below is an example of a tool that does nothing. Amaze us with your creativity !
 @tool
 def get_current_local_time_and_timezone()-> str:
     """A tool that gets the time and the timezone of the user
     Args:
     """
-    local_timezone = datetime.now().astimezone().tzinfo  # Get local timezone
-    local_time = datetime.now(local_tz).strftime('%Y-%m-%d %H:%M:%S')
-    return f"The current local time in {local_timezone} is: {local_time}"
+    local_dt = datetime.datetime.now().astimezone()
+    current_time = local_dt.strftime('%Y-%m-%d %H:%M:%S')
+    timezone_name = get_local_timezone_name()
+    return f"The current local time in {timezone_name} is: {current_time}"
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str: