Fix file upload for python3

DistrictDataLabs / cultivar

Multidimensional data explorer and visualization tool.

http://trinket.districtdatalabs.com

Apache License 2.0

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Fix file upload for python3 #73

Closed CheViana closed 8 years ago

CheViana commented 8 years ago

file uploads were broken b/c django model FileField returns bytes stream, and csv parser expects string stream
fixed by decoding first line of file into string
refactored signals & models of DataFile to have same code in just one place (models method read_csv_headers now is used in signals)
dropped unicodecsv b/c it was used for unicode string handling in py2

coveralls commented 8 years ago

Coverage decreased (-0.08%) to 58.434% when pulling 447ce19e4141d1eee06e4db58a1f8ce2c0d7308d on CheViana:develop into c8dc2c47d407f2e4757fa06ae662776966a25486 on DistrictDataLabs:develop.