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"""Key-Value store server.
The request takes "key=" and "value=" URL parameters. The key must be UUID
generated by token().
- When only the "key=" is specified, serves a 200 response whose body contains
the stored value specified by the key. If the stored value doesn't exist,
serves a 200 response with an empty body.
- When both the "key=" and "value=" are specified, stores the pair and serves
a 200 response without body.
"""
def main(request, response):
key = request.GET.get(b"key")
value = request.GET.get(b"value", None)
# Store the value.
if value:
request.server.stash.put(key, value)
return (200, [], b"")
# Get the value.
data = request.server.stash.take(key)
if not data:
return (200, [], b"")
return (200, [], data)