Fix large data downloads#1863

Merged

becky-gilbert merged 12 commits intodevelopfrom

fix-large-data-downloads

Apr 15, 2026

Commits on Apr 3, 2026

add tests for psychds zip download contents
becky-gilbert
committed
switch from io.BytesIO to tempfile in the frame data csv/zip download; io import no longer needed
becky-gilbert
committed
response overview csv: use a named temp file to avoid in-memory string; need to re-import io and csv
becky-gilbert
committed
same issue with child summary csv: write to temp file to avoid in-memory string
becky-gilbert
committed
demographics JSON download: stream content with a json generator instead of constructing whole string in memory
becky-gilbert
committed
demographics CSV: create a temp file and write rows to disk on each iteration, instead of storing the whole list in memory
becky-gilbert
committed
update tests to be able to handle streaming responses
becky-gilbert
committed