d6tstack | Quickly ingest messy CSV and XLS files | CSV Processing library
kandi X-RAY | d6tstack Summary
kandi X-RAY | d6tstack Summary
Quickly ingest messy CSV and XLS files. Export to clean pandas, SQL, parquet
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QUESTION
I'm trying to use Dask to read a large number of csv, but I'm having issues since the number of columns varies between csv files, as does the order of the columns.
I know that packages like d6tstack (as detailed here), can help handle this, but is there a way to fix this without installing additional libraries and without taking up more disk space?
...ANSWER
Answered 2020-Apr-27 at 17:00If you use from_delayed
, then you can make a function which pre-processes each of your input files as you might wish. This is totally arbitrary, so you can choose to solve the issue using your own code or any package you want to install across the cluster.
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Install d6tstack
d6tstack[psql]: for pandas to postgres
d6tstack[mysql]: for pandas to mysql
d6tstack[xls]: for excel support
d6tstack[parquet]: for ingest csv to parquet
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