[skip ci] Add a script to purge old TestPyPI releases.

Author: whitequark

purge-test-pypi-releases.py

@@ -0,0 +1,29 @@
+# If TestPyPI complains about size of packages reaching the quota, use Developer Tools to find out
+# the session ID (in `Cookie:` header) and CSRF token (in any form submission), and use this script
+# to trim old files. THIS OPERATION CANNOT BE UNDONE.
+
+session_id = "<insert-session-id-here>"
+csrf_token = "<insert-csrf-token-here>"
+
+projects = []
+versions = []
+
+import urllib.parse
+import urllib.request
+
+for version in versions:
+    for project in projects:
+        request = urllib.request.Request(
+            f"https://test.pypi.org/manage/project/{project}/release/{version}/",
+            method="POST",
+            headers={
+                "Cookie": f"session_id={session_id}",
+                "Origin": "https://test.pypi.org",
+            },
+            data=urllib.parse.urlencode({
+                "csrf_token": csrf_token,
+                "confirm_delete_version": version,
+            }).encode()
+        )
+        urllib.request.urlopen(request)
+        print(f"deleted {project} {version}")