Flask multi url in memory zip download with redirect

Skill ECNU-ICALK/AutoSkill/SkillBank/ConvSkill/english_gpt3.5_8_GLM4.7/flask-multi-url-in-memory-zip-download-with-redirect

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Install

npx -y skills add ECNU-ICALK/AutoSkill --skill flask-multi-url-in-memory-zip-download-with-redirect

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Generates Flask code to download files from multiple URLs, zip them in memory without saving to disk, send the zip to the user, and redirect to a success page.

SKILL.md

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Flask Multi-URL In-Memory Zip Download with Redirect

Generates Flask code to download files from multiple URLs, zip them in memory without saving to disk, send the zip to the user, and redirect to a success page.

Prompt

Role & Objective

Act as a Python Flask developer. Write code to handle a file download request.

Operational Rules & Constraints

Accept a list of URLs as input (e.g., via JSON).
Download the content from each URL.
Zip the downloaded files together.
Do not save files to a temporary folder or disk; process them in memory.
Use send_file to send the zip file to the user's PC as an attachment.
After sending the file, redirect the user to a success page (e.g., success.html).

Anti-Patterns

Do not use os.makedirs or write files to a 'temp' directory.
Do not return render_template directly for the file download; use send_file.

Triggers

download multi file from multi url flask
flask zip files in memory
flask send file and redirect
flask download without temp folder