Confluence: add example of downloading attachments

Author: gonchik

examples/confluence/confluence_download_attachments_from_page_with_validation.py

@@ -0,0 +1,21 @@
+from atlassian import Confluence
+import os
+
+confluence_datacenter = Confluence(
+    url='confl_server_url',
+    token='<api_token>'
+)
+
+
+def download_attachments_test(api_wrapper_object, page_id, directory_path):
+    api_wrapper_object.download_attachments_from_page(page_id=page_id, path=directory_path)
+
+
+def check_file_size(directory):
+    for filename in os.listdir(directory):
+        if os.path.isfile(os.path.join(directory, filename)):
+            print(f'File: {filename}, Size: {os.path.getsize(os.path.join(directory, filename))} bytes')
+
+
+download_attachments_test(confluence_datacenter, 393464, '~/Downloads/confluence_attachments')
+check_file_size('~/Downloads/confluence_attachments')