File size: 2,239 Bytes
01e5c41 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 | import os
import sys
from serena.agent import log
def is_headless_environment() -> bool:
"""
Detect if we're running in a headless environment where GUI operations would fail.
Returns True if:
- No DISPLAY variable on Linux/Unix
- Running in SSH session
- Running in WSL without X server
- Running in Docker container
"""
# Check if we're on Windows - GUI usually works there
if sys.platform == "win32":
return False
# Check for DISPLAY variable (required for X11)
if not os.environ.get("DISPLAY"): # type: ignore
return True
# Check for SSH session
if os.environ.get("SSH_CONNECTION") or os.environ.get("SSH_CLIENT"):
return True
# Check for common CI/container environments
if os.environ.get("CI") or os.environ.get("CONTAINER") or os.path.exists("/.dockerenv"):
return True
# Check for WSL (only on Unix-like systems where os.uname exists)
if hasattr(os, "uname"):
if "microsoft" in os.uname().release.lower():
# In WSL, even with DISPLAY set, X server might not be running
# This is a simplified check - could be improved
return True
return False
def show_fatal_exception_safe(e: Exception) -> None:
"""
Shows the given exception in the GUI log viewer on the main thread and ensures that the exception is logged or at
least printed to stderr.
"""
# Log the error and print it to stderr
log.error(f"Fatal exception: {e}", exc_info=e)
print(f"Fatal exception: {e}", file=sys.stderr)
# Don't attempt GUI in headless environments
if is_headless_environment():
log.debug("Skipping GUI error display in headless environment")
return
# attempt to show the error in the GUI
try:
# NOTE: The import can fail on macOS if Tk is not available (depends on Python interpreter installation, which uv
# used as a base); while tkinter as such is always available, its dependencies can be unavailable on macOS.
from serena.gui_log_viewer import show_fatal_exception
show_fatal_exception(e)
except Exception as gui_error:
log.debug(f"Failed to show GUI error dialog: {gui_error}")
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