Libraries for ingesting xls files?

[Dave Brondsema]

Adam Williams (or anyone),

What are the best libraries for reading in Excel spreadsheets? I know you've
talked about this before, and had recommendations for some libraries over others.

At GiveCamp this weekend the "python team" will likely be doing a lot of XLS
parsing, which is why I ask.


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Dave Brondsema : da...@brondsema.net
http://www.brondsema.net : personal
http://www.splike.com : programming
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[Adam Tauno Williams]

On Fri, 2016-11-04 at 11:36 -0400, Dave Brondsema wrote:
> Adam Williams (or anyone),
> What are the best libraries for reading in Excel spreadsheets? I
> know you've
> talked about this before, and had recommendations for some libraries
> over others.
> At GiveCamp this weekend the "python team" will likely be doing a lot
> of XLS parsing, which is why I ask.

I ingest thousands of XLS files using xlrd. Works flawlessly - but you
still need to know the caveats of Excel.

The biggest GOTCHA is that there is no such thing as a DATE/DATETIME
type. Being a date is a STYLE on an numeric value. xldate_as_tuple is
your friend.

Second is that manually created documents can be confusing about what
is string and what is a number if the data entry person isn't paying
attention.


<https://sourceforge.net/p/coils/coils-code/ci/master/tree/coils/logic/
workflow/formats/xls_reader.py#l71>

--
Adam Tauno Williams <mailto:awil...@whitemice.org> GPG D95ED383
Systems Administrator, Python Developer, LPI / NCLA

[Richard Nienhuis]

Openpyxl is also pretty good if you can only support xlsx files.  (excel 2010+)

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