Handle files that can’t be interpreted as spreadsheets

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There shouldn’t be a case where we see a `ValueError` on upload any
more. Our file handling should be robust enough to deal with whatever is
thrown at it.

This commit:
- adds test files with bad data (PNG files with their extensions changed to look
  like spreadsheets)
- catches whatever exceptions are raised by trying to parse these files
- returns a helpful flash message to the user

Anything else should raise a `500`, eg if the file can’t be uploaded to S3.

...

This commit is contained in:

Chris Hill-Scott

2016-05-13 21:25:59 +01:00

parent 1409ca36ca

commit 7bbc307a3e

8 changed files with 34 additions and 16 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

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tests/non_spreadsheet_files/actually_a_png.csv Normal file

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