def convert(request, webargs=None):
''' Form '''
if (request.method == 'POST' and not webargs):
form = ConvertForm(request.POST, request.FILES) # instantiating form
if form.is_valid():
baseDir = os.path.join(settings.MEDIA_ROOT, 'tmp', strftime('formUpload%a%d%b%Y_%H.%M.%S/', localtime()))
saveDir = os.path.join(baseDir,'upload') # Save location of original uploads
convertFileSaveLoc = os.path.join(baseDir,'converted') # Save location of converted data
if not (os.path.exists(convertFileSaveLoc)):
os.makedirs(convertFileSaveLoc)
savedFile = os.path.join(saveDir, request.FILES['fileObj'].name)
saveFileToDisk(request.FILES['fileObj'], savedFile)
# If zip is uploaded
if os.path.splitext(request.FILES['fileObj'].name)[1].strip() == '.zip':
zipper.unzip(savedFile, saveDir)
# Delete zip so its not included in the graphs we uploaded
os.remove(savedFile)
uploadedFiles = glob(os.path.join(saveDir, "*")) # get the uploaded file names
else:
uploadedFiles = [savedFile]
err_msg=""
for fn in uploadedFiles:
err_msg = convert_graph(fn, form.cleaned_data['input_format'],
convertFileSaveLoc, *form.cleaned_data['output_format'])
dwnldLoc = request.META['wsgi.url_scheme'] + '://' + \
request.META['HTTP_HOST'] + convertFileSaveLoc.replace(' ','%20')
if (err_msg):
err_msg = "Your job completed with errors. The result can be found at %s\n. Here are the errors:%s" % (dwnldLoc, err_msg)
return render_to_response(
'convertupload.html',
{'convertForm': form, 'err_msg': err_msg+"\n"},
context_instance=RequestContext(request))
#else
return HttpResponseRedirect(dwnldLoc)
elif(request.method == 'POST' and webargs):
# webargs is {inFormat}/{outFormat}
inFormat = webargs.split('/')[0] # E.g 'graphml'| 'dot' | 'leda'
outFormat = webargs.split('/')[1].split(',')
outFormat = list(set(outFormat)) # Eliminate duplicates if any exist
baseDir = os.path.join(settings.MEDIA_ROOT, 'tmp', strftime('progUpload%a%d%b%Y_%H.%M.%S/', localtime()))
saveDir = os.path.join(baseDir,'upload') # Save location of original uploads
convertFileSaveLoc = os.path.join(baseDir,'converted') # Save location of converted data
if not os.path.exists(saveDir): os.makedirs(saveDir)
if not os.path.exists(convertFileSaveLoc): os.makedirs(convertFileSaveLoc)
uploadedFiles = writeBodyToDisk(request.body, saveDir)# can only be one file # TODO: Check me
# Check for zip
if os.path.splitext(uploadedFiles[0])[1].strip() == '.zip':
zipper.unzip(uploadedFiles[0], saveDir)
# Delete zip so its not included in the graphs we uploaded
os.remove(uploadedFiles[0])
uploadedFiles = glob(os.path.join(saveDir, "*")) # get the uploaded file names
err_msg = ""
for fn in uploadedFiles:
err_msg = convert_graph(fn, inFormat,
convertFileSaveLoc, *outFormat)
dwnldLoc = request.META['wsgi.url_scheme'] + '://' + \
request.META['HTTP_HOST'] + convertFileSaveLoc.replace(' ','%20')
if err_msg:
err_msg = "Completed with errors. View Data at: %s\n. Here are the errors:%s" % (dwnldLoc, err_msg)
return HttpResponse(err_msg)
return HttpResponse ( "Converted files available for download at " + dwnldLoc + " . The directory " +
"may be empty if you try to convert from, and to the same format.") # change to render of a page with a link to data result
else:
form = ConvertForm() # An empty, unbound form
# Render the form
return render_to_response(
'convertupload.html',
{'convertForm': form},
context_instance=RequestContext(request))
def graphLoadInv(request, webargs=None):
''' Form '''
if request.method == 'POST' and not webargs:
form = GraphUploadForm(request.POST, request.FILES) # instantiating form
if form.is_valid():
request.session['graphsize'] = 'small' # This accounts for use LCC or not
request.session['email'] = form.cleaned_data['email']
data = form.files['fileObj'] # get data
request.session['invariants'] = form.cleaned_data['Select_Invariants_you_want_computed']
dataDir = os.path.join(settings.MEDIA_ROOT, 'tmp', strftime("projectStamp%a%d%b%Y_%H.%M.%S/", localtime()))
request.session['graphInvariants'] = os.path.join(dataDir, 'graphInvariants')
makeDirIfNone([dataDir])
# We got a zip
if os.path.splitext(data.name)[1] == '.zip':
writeBodyToDisk(data.read(), dataDir)
graphs = glob(os.path.join(dataDir,'*')) # TODO: better way to make sure we are actually collecting graphs here
else: # View only accepts .mat & zip as regulated by template
graphs = [os.path.join(dataDir, data.name)]
saveFileToDisk(data, graphs[0])
request.session['uploaded_graphs'] = graphs
request.session['graph_format'] = form.cleaned_data['graph_format']
request.session['dataDir'] = dataDir
request.session['email'] = form.cleaned_data['email']
# Launch thread for graphs & email user
sendJobBeginEmail(request.session['email'], request.session['invariants'], genGraph=False)
#asyncInvCompute(request)
thr = threading.Thread(target=asyncInvCompute, args=(request,))
thr.start()
request.session['success_msg'] = \
"""
Your job was successfully launched. You should receive an email when your job begins and another one when it completes.
The process may take several hours per graph (dependent on graph size) if you selected to compute all invariants.
If you do not see an email in your INBOX check the SPAM folder and add [email protected] to your safe list.
"""
return HttpResponseRedirect(get_script_prefix()+'success')
# Programmatic RESTful API
elif request.method == 'POST' and webargs:
dataDir = os.path.join(settings.MEDIA_ROOT, 'tmp', strftime("projectStamp%a%d%b%Y_%H.%M.%S/", localtime()))
makeDirIfNone([dataDir])
uploadedZip = writeBodyToDisk(request.body, dataDir)[0] # Not necessarily a zip
try: # Assume its a zip first
zipper.unzip(uploadedZip, dataDir) # Unzip the zip
os.remove(uploadedZip) # Delete the zip
except:
print "Non-zip file uploaded ..."
graphs = glob(os.path.join(dataDir,'*'))
try:
request.session['invariants'] = webargs.split('/')[0].split(',')
inGraphFormat = webargs.split('/')[1]
except:
return HttpResponse("Malformated input invariants list or graph format")
request.session['graphInvariants'] = os.path.join(dataDir, 'graphInvariants')
for graph_fn in graphs:
invariant_fns = runInvariants(request.session['invariants'], graph_fn,
request.session['graphInvariants'], inGraphFormat)
print 'Computing Invariants for annoymous project %s complete...' % graph_fn
err_msg=""
if len(webargs.split('/')) > 2:
err_msg = "" # __init__
err_msg = convert_graph(invariant_fns["out_graph_fn"], "graphml",
request.session['graphInvariants'], *webargs.split('/')[2].split(','))
dwnldLoc = request.META['wsgi.url_scheme'] + '://' + \
request.META['HTTP_HOST'] + dataDir.replace(' ','%20')
if err_msg:
err_msg = "Completed with errors. View Data at: %s\n. Here are the errors:%s" % (dwnldLoc, err_msg)
return HttpResponse(err_msg)
return HttpResponse("View Data at: " + dwnldLoc)
# Browser
else:
form = GraphUploadForm() # An empty, unbound form
# Render the form
return render_to_response(
'graphupload.html',
{'graphUploadForm': form},
context_instance=RequestContext(request) # Some failure to input data & returns a key signaling what is requested
)
