astropy / astropy/astroquery

ENH: info about expected size of data download

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mast
Dominant language
Python
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Description

Is there a way to know what the total data volume is (in GB) before running download_products? get_product_list will tell me the number of rows, but I really want to know the number of GB. It is far too easy to download a large amount of data without realizing it.

Contributor guide

Open the contributing guide

Research direction

Start by examining the get_product_list and download_products entry points to understand what metadata is available before a download begins. Determine whether the queried data source exposes byte sizes, and define completion as reporting the expected total volume in GB before downloading products.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
data
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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