primer commit

logger_utilities.py

@@ -0,0 +1,93 @@
+import sys
+import os
+from datetime import datetime, timedelta
+
+_stdout_original = sys.stdout
+_stderr_original = sys.stderr
+_file_stream = None
+_log_dir = "logs"
+
+# ============================================================================
+class MultiStream:
+    def __init__(self, *streams):
+        self.streams = list(streams)
+
+    def write(self, data):
+        for stream in self.streams:
+            stream.write(data)
+            stream.flush()
+
+    def flush(self):
+        for stream in self.streams:
+            stream.flush()
+
+    def reemplazar_file(self, old_fh, new_fh):
+        for i, s in enumerate(self.streams):
+            if s is old_fh:
+                self.streams[i] = new_fh
+                return
+
+# ============================================================================
+def _ruta_log(hoy=None):
+    if hoy is None:
+        hoy = datetime.now().strftime("%Y-%m-%d")
+    if not os.path.exists(_log_dir):
+        os.makedirs(_log_dir)
+    return os.path.join(_log_dir, f"{hoy}.log")
+
+# ============================================================================
+def setup_logger():
+    global _file_stream
+    log_path = _ruta_log()
+    _file_stream = open(log_path, "a", encoding="utf-8")
+    sys.stdout = MultiStream(_stdout_original, _file_stream)
+    sys.stderr = MultiStream(_stderr_original, _file_stream)
+    return log_path
+
+# ============================================================================
+def rotar_log():
+    global _file_stream
+    hoy = datetime.now().strftime("%Y-%m-%d")
+    log_path = _ruta_log(hoy)
+
+    if _file_stream and os.path.abspath(_file_stream.name) == os.path.abspath(log_path):
+        return
+
+    nuevo_fh = open(log_path, "a", encoding="utf-8")
+    if isinstance(sys.stdout, MultiStream):
+        sys.stdout.reemplazar_file(_file_stream, nuevo_fh)
+    if isinstance(sys.stderr, MultiStream):
+        sys.stderr.reemplazar_file(_file_stream, nuevo_fh)
+    try:
+        _file_stream.close()
+    except Exception:
+        pass
+    _file_stream = nuevo_fh
+    print(f"📄 Log rotado a: {log_path}")
+
+# ============================================================================
+def limpiar_logs_antiguos(dias=7):
+    """
+    Elimina archivos de log con más de 'n' días de antigüedad.
+    """
+    log_dir = "logs"
+    if not os.path.exists(log_dir):
+        return
+        
+    limite = datetime.now() - timedelta(days=dias)
+    count = 0
+    
+    for archivo in os.listdir(log_dir):
+        ruta_archivo = os.path.join(log_dir, archivo)
+        if os.path.isfile(ruta_archivo) and archivo.endswith(".log"):
+            fecha_archivo = datetime.fromtimestamp(os.path.getmtime(ruta_archivo))
+            if fecha_archivo < limite:
+                try:
+                    os.remove(ruta_archivo)
+                    count += 1
+                except Exception as e:
+                    print(f"⚠️ Error al eliminar log {archivo}: {e}")
+    
+    if count > 0:
+        print(f"🧹 Se eliminaron {count} archivos de log antiguos (más de {dias} días).")
+# ============================================================================