Merge branch 'f-delete-container' into 'dev'

F delete container

See merge request !10

src/caosdb/common/models.py

@@ -2806,6 +2806,17 @@ class Container(list):
         this happens, none of them will be deleted. It occurs an error
         instead.
         """
+        chunk_size = 100
+        item_count = len(self)
+        # Split Container in 'chunk_size'-sized containers (if necessary) to avoid error 414 Request-URI Too Long
+        if item_count > chunk_size:
+            for i in range(0, int(item_count/chunk_size)+1):
+                chunk = Container()
+                for j in range(i*chunk_size, min(item_count, (i+1)*chunk_size)):
+                    chunk.append(self[j])
+                if len(chunk):
+                    chunk.delete()
+            return self
 
         if len(self) == 0:
             if raise_exception_on_error: