def lookup(request):
'''
get: render a form for user to lookup the sequence id for a fasta sequence from a genome.
post: redirect to a page which will show the id.
'''
raise django.http.Http404
if request.method == 'POST': # If the form has been submitted...
form = LookupForm(request.POST) # A form bound to the POST data
if form.is_valid(): # All validation rules pass
logging.debug(form.cleaned_data)
genome, fasta = form.cleaned_data['genome'], form.cleaned_data['fasta']
seqId = BioUtilities.findSeqIdWithFasta(fasta, roundup.dataset.getGenomeIndexPath(webconfig.CURRENT_DATASET, genome))
# store result in cache, so can do a redirect/get.
key = makeUniqueId()
roundup_util.cacheSet(key, {'genome': genome, 'fasta': fasta, 'seqId': seqId})
# redirect the post to a get. http://en.wikipedia.org/wiki/Post/Redirect/Get
return django.shortcuts.redirect(django.core.urlresolvers.reverse(lookup_result, kwargs={'key': key}))
else:
form = LookupForm() # An unbound form
example = "{'fasta': '>example_nameline\\nMNFLWKGRRFLIAGILPTFEGAADEIVDKENKTYKAFLASKPPEETGLERLKQMFTIDEF', 'genome': '7227'}"
return django.shortcuts.render(request, 'lookup.html', {'form': form, 'nav_id': 'lookup', 'form_doc_id': 'lookup',
'form_action': django.core.urlresolvers.reverse(lookup), 'form_example': example})
