"""查看日志文件"""
import sys
from pathlib import Path
def view_logs(lines=50):
"""查看最近的日志条目"""
log_file = Path(__file__).parent.parent / "logs" / "mcp_ocr_server.log"
if not log_file.exists():
print(f"Log file not found: {log_file}")
print("The service may not have started yet.")
return
try:
with open(log_file, 'r', encoding='utf-8') as f:
all_lines = f.readlines()
total_lines = len(all_lines)
print(f"Log file: {log_file}")
print(f"Total lines: {total_lines}")
print("=" * 70)
print(f"Last {min(lines, total_lines)} lines:")
print("=" * 70)
for line in all_lines[-lines:]:
print(line.rstrip())
except Exception as e:
print(f"Error reading log file: {e}")
def tail_logs():
"""实时跟踪日志（简化版，Windows可能不支持tail命令）"""
log_file = Path(__file__).parent.parent / "logs" / "mcp_ocr_server.log"
if not log_file.exists():
print(f"Log file not found: {log_file}")
return
print(f"Tailing log file: {log_file}")
print("Press Ctrl+C to stop")
print("=" * 70)
try:
import time
last_size = log_file.stat().st_size
with open(log_file, 'r', encoding='utf-8') as f:
# 跳到最后
f.seek(max(0, last_size - 1024))
f.readline() # 跳过可能的不完整行
while True:
line = f.readline()
if line:
print(line.rstrip())
sys.stdout.flush()
else:
time.sleep(0.5)
# 检查文件是否有新内容
current_size = log_file.stat().st_size
if current_size > last_size:
last_size = current_size
except KeyboardInterrupt:
print("\nStopped tailing logs.")
except Exception as e:
print(f"Error tailing log file: {e}")
if __name__ == "__main__":
if len(sys.argv) > 1 and sys.argv[1] == "tail":
tail_logs()
else:
lines = int(sys.argv[1]) if len(sys.argv) > 1 and sys.argv[1].isdigit() else 50
view_logs(lines)
