customStorage manager in Sistemas app and zip views to upload the zip

Sistemas/customStorage.py

@@ -0,0 +1,18 @@
+from django.core.files.storage import FileSystemStorage
+import os
+class CustomStorage(FileSystemStorage):
+    def __init__(self, location):
+        self.location=location
+        super(CustomStorage,self).__init__(location=location, base_url=None)
+
+    def save(self, name, content):
+        if self.exists(name):
+            self.delete(name)
+        return super()._save(name,content)
+
+
+
+BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+
+download_system_dir = os.path.join(BASE_DIR,'downloadSystems')
+custom_stoarge = CustomStorage(location=download_system_dir)