用python3实现在线生鲜商城系统，脚本可以直接运行

http://myapp.com/?RelayState=testshib&SAMLResponse=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%2BaHR0cHM6Ly9pZHAudGVzdHNoaWIub3JnL2lkcC9zaGliYm9sZXRoPC9zYW1sMjpJc3N1ZXI%2BPHNhbWwycDpTdGF0dXM%2BPHNhbWwycDpTdGF0dXNDb2RlIFZhbHVlPSJ1cm46b2FzaXM6bmFtZXM6dGM6U0FNTDoyLjA6c3RhdHVzOlN1Y2Nlc3MiLz48L3NhbWwycDpTdGF0dXM%2BPHNhbWwyOkVuY3J5cHRlZEFzc2VydGlvbiB4bWxuczpzYW1sMj0idXJuOm9hc2lzOm5hbWVzOnRjOlNBTUw6Mi4wOmFzc2VydGlvbiI%2BPHhlbmM6RW5jcnlwdGVkRGF0YSB4bWxuczp4ZW5jPSJodHRwOi8vd3d3LnczLm9yZy8yMDAxLzA0L3htbGVuYyMiIElkPSJfMGM0NzYzNzIyOWFkNmEzMTY1OGU0MDc2ZDNlYzBmNmQiIFR5cGU9Imh0dHA6Ly93d3cudzMub3JnLzIwMDEvMDQveG1sZW5jI0VsZW1lbnQiPjx4ZW5jOkVuY3J5cHRpb25NZXRob2QgQWxnb3JpdGhtPSJodHRwOi8vd3d3LnczLm9yZy8yMDAxLzA0L3htbGVuYyNhZXMxMjgtY2JjIiB4bWxuczp4ZW5jPSJodHRwOi8vd3d3LnczLm9yZy8yMDAxLzA0L3htbGVuYyMiLz48ZHM6S2V5SW5mbyB4bWxuczpkcz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC8wOS94bWxkc2lnIyI%2BPHhlbmM6RW5jcnlwdGVkS2V5IElkPSJfYjZmNmU2YWZjMzYyNGI3NmM1N2JmOWZhODA5YzAzNmMiIHhtbG5zOnhlbmM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDEvMDQveG1sZW5jIyI%2BPHhlbmM6RW5jcnlwdGlvbk1ldGhvZCBBbGdvcml0aG09Imh0dHA6Ly93d3cudzMub3JnLzIwMDEvMDQveG1sZW5jI3JzYS1vYWVwLW1nZjFwIiB4bWxuczp4ZW5jPSJodHRwOi8vd3d3LnczLm9yZy8yMDAxLzA0L3htbGVuYyMiPjxkczpEaWdlc3RNZXRob2QgQWxnb3JpdGhtPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwLzA5L3htbGRzaWcjc2hhMSIgeG1sbnM6ZHM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvMDkveG1sZHNpZyMiLz48L3hlbmM6RW5jcnlwdGlvbk1ldGhvZD48ZHM6S2V5SW5mbz48ZHM6WDUwOURhdGE%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%2BPHhlbmM6Q2lwaGVyVmFsdWU%2BTElQdkVNVUVGeXhrVHowQ2N4QVA5TjV4Y3NYT2V4aVV4cXBvR2VIeVFMV0R5RVBBUDVnZ1daL3NLZ1ViL2xWSk92bCtuQXhSdVhXUlc5dGxSWWx3R2orRVhIOWhIbmdEY1BWMDNqSUJMQnFJbElBL1RmMGw4cVliOHFKRy9ZM0RTS2RQNkwvUURtYXBtTXpFM29YOEJxMW5Ea3YrUWh4cmQwMGVGK2ZMYVQ0PTwveGVuYzpDaXBoZXJWYWx1ZT48L3hlbmM6Q2lwaGVyRGF0YT48L3hlbmM6RW5jcnlwdGVkS2V5PjwvZHM6S2V5SW5mbz48eGVuYzpDaXBoZXJEYXRhIHhtbG5zOnhlbmM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDEvMDQveG1sZW5jIyI%2BPHhlbmM6Q2lwaGVyVmFsdWU%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