def buildGraph(request):
error_msg = ''
if request.method == 'POST':
form = BuildGraphForm(request.POST,
request.FILES) # instantiating form
if form.is_valid():
# Acquire proj names
userDefProjectName = form.cleaned_data['UserDefprojectName']
site = form.cleaned_data['site']
subject = form.cleaned_data['subject']
session = form.cleaned_data['session']
scanId = form.cleaned_data['scanId']
# Private project error checking
if (form.cleaned_data['Project_Type'] == 'private'):
if not request.user.is_authenticated():
error_msg = "You must be logged in to make/alter a private project! Please Login or make/alter a public project."
'''
# Untested TODO: Add join to ensure it a private project
elif BuildGraphModel.objects.filter(owner=request.user, project_name=userDefProjectName, \
site=site, subject=subject, session=session, scanId=scanId).exists():
error_msg = "The scanID you requested to create already exists in this project path. Please change any of the form values."
'''
# TODO DM: Many unaccounted for scenarios here!
if error_msg:
return render_to_response(
'buildgraph.html', {
'buildGraphform': form,
'error_msg': error_msg
},
context_instance=RequestContext(request))
print "Uploading files..."
# If a user is logged in associate the project with thier directory
if form.cleaned_data['Project_Type'] == 'private':
userDefProjectName = os.path.join(request.user.username,
userDefProjectName)
else:
userDefProjectName = os.path.join('public', userDefProjectName)
# Adapt project name if necesary on disk
userDefProjectName = adaptProjNameIfReq(
os.path.join(settings.MEDIA_ROOT, userDefProjectName)
) # Fully qualify AND handle identical projects
request.session['usrDefProjDir'] = os.path.join(
userDefProjectName, site, subject, session, scanId)
request.session['scanId'] = scanId
''' Define data directory paths '''
request.session['derivatives'], request.session['rawdata'], request.session['graphs'],\
request.session['graphInvariants'],request.session['images']= defDataDirs(request.session['usrDefProjDir'])
# Create a model object to save data to DB
grModObj = BuildGraphModel(
project_name=form.cleaned_data['UserDefprojectName'])
grModObj.location = request.session[
'usrDefProjDir'] # Where the particular scan location is
grModObj.site = form.cleaned_data['site'] # set the site
grModObj.subject = form.cleaned_data['subject'] # set the subject
grModObj.session = form.cleaned_data['session'] # set the session
grModObj.scanId = form.cleaned_data['scanId'] # set the scanId
if request.user.is_authenticated():
grModObj.owner = request.user # Who created the project
request.session['invariants'] = form.cleaned_data[
'Select_Invariants_you_want_computed']
request.session['graphsize'] = form.cleaned_data[
'Select_graph_size']
''' Acquire fileNames '''
fiber_fn = form.cleaned_data[
'fiber_file'].name # get the name of the file input by user
roi_raw_fn = form.cleaned_data['roi_raw_file'].name
roi_xml_fn = form.cleaned_data['roi_xml_file'].name
print "Uploading files..."
''' Save files in appropriate location '''
saveFileToDisk(
form.cleaned_data['fiber_file'],
os.path.join(request.session['derivatives'], fiber_fn))
saveFileToDisk(
form.cleaned_data['roi_raw_file'],
os.path.join(request.session['derivatives'], roi_raw_fn))
saveFileToDisk(
form.cleaned_data['roi_xml_file'],
os.path.join(request.session['derivatives'], roi_xml_fn))
grModObj.save() # Save project data to DB after file upload
# add entry to owned project
if request.user.is_authenticated():
ownedProjModObj = OwnedProjects(project_name=grModObj.project_name, \
owner=grModObj.owner, is_private=form.cleaned_data['Project_Type'] == 'private')
ownedProjModObj.save()
print '\nSaving all files complete...'
''' Make appropriate dirs if they dont already exist '''
createDirStruct.createDirStruct([request.session['derivatives'], request.session['rawdata'],\
request.session['graphs'], request.session['graphInvariants'], request.session['images']])
# Redirect to Processing page
return HttpResponseRedirect(get_script_prefix() + 'processinput')
else:
form = BuildGraphForm() # An empty, unbound form
# Render the form
return render_to_response(
'buildgraph.html',
{'buildGraphform': form},
context_instance=RequestContext(
request
) # Some failure to input data & returns a key signaling what is requested
)
def buildGraph(request):
error_msg = ''
if request.method == 'POST':
form = BuildGraphForm(request.POST, request.FILES) # instantiating form
if form.is_valid():
# Acquire proj names
userDefProjectName = form.cleaned_data['UserDefprojectName']
site = form.cleaned_data['site']
subject = form.cleaned_data['subject']
session = form.cleaned_data['session']
scanId = form.cleaned_data['scanId']
# Private project error checking
if (form.cleaned_data['Project_Type'] == 'private'):
if not request.user.is_authenticated():
error_msg = "You must be logged in to make/alter a private project! Please Login or make/alter a public project."
'''
# Untested TODO: Add join to ensure it a private project
elif BuildGraphModel.objects.filter(owner=request.user, project_name=userDefProjectName, \
site=site, subject=subject, session=session, scanId=scanId).exists():
error_msg = "The scanID you requested to create already exists in this project path. Please change any of the form values."
'''
# TODO DM: Many unaccounted for scenarios here!
if error_msg:
return render_to_response(
'buildgraph.html',
{'buildGraphform': form, 'error_msg': error_msg},
context_instance=RequestContext(request)
)
print "Uploading files..."
# If a user is logged in associate the project with thier directory
if form.cleaned_data['Project_Type'] == 'private':
userDefProjectName = os.path.join(request.user.username, userDefProjectName)
else:
userDefProjectName = os.path.join('public', userDefProjectName)
# Adapt project name if necesary on disk
userDefProjectName = adaptProjNameIfReq(os.path.join(settings.MEDIA_ROOT, userDefProjectName)) # Fully qualify AND handle identical projects
request.session['usrDefProjDir'] = os.path.join(userDefProjectName, site, subject, session, scanId)
request.session['scanId'] = scanId
''' Define data directory paths '''
request.session['derivatives'], request.session['rawdata'], request.session['graphs'],\
request.session['graphInvariants'],request.session['images']= defDataDirs(request.session['usrDefProjDir'])
# Create a model object to save data to DB
grModObj = BuildGraphModel(project_name = form.cleaned_data['UserDefprojectName'])
grModObj.location = request.session['usrDefProjDir'] # Where the particular scan location is
grModObj.site = form.cleaned_data['site']# set the site
grModObj.subject = form.cleaned_data['subject']# set the subject
grModObj.session = form.cleaned_data['session']# set the session
grModObj.scanId = form.cleaned_data['scanId']# set the scanId
if request.user.is_authenticated():
grModObj.owner = request.user # Who created the project
request.session['invariants'] = form.cleaned_data['Select_Invariants_you_want_computed']
request.session['graphsize'] = form.cleaned_data['Select_graph_size']
''' Acquire fileNames '''
fiber_fn = form.cleaned_data['fiber_file'].name # get the name of the file input by user
roi_raw_fn = form.cleaned_data['roi_raw_file'].name
roi_xml_fn = form.cleaned_data['roi_xml_file'].name
print "Uploading files..."
''' Save files in appropriate location '''
saveFileToDisk(form.cleaned_data['fiber_file'], os.path.join(request.session['derivatives'], fiber_fn))
saveFileToDisk(form.cleaned_data['roi_raw_file'], os.path.join(request.session['derivatives'], roi_raw_fn))
saveFileToDisk(form.cleaned_data['roi_xml_file'], os.path.join(request.session['derivatives'], roi_xml_fn))
grModObj.save() # Save project data to DB after file upload
# add entry to owned project
if request.user.is_authenticated():
ownedProjModObj = OwnedProjects(project_name=grModObj.project_name, \
owner=grModObj.owner, is_private=form.cleaned_data['Project_Type'] == 'private')
ownedProjModObj.save()
print '\nSaving all files complete...'
''' Make appropriate dirs if they dont already exist '''
createDirStruct.createDirStruct([request.session['derivatives'], request.session['rawdata'],\
request.session['graphs'], request.session['graphInvariants'], request.session['images']])
# Redirect to Processing page
return HttpResponseRedirect(get_script_prefix()+'processinput')
else:
form = BuildGraphForm() # An empty, unbound form
# Render the form
return render_to_response(
'buildgraph.html',
{'buildGraphform': form},
context_instance=RequestContext(request) # Some failure to input data & returns a key signaling what is requested
)
def upload(request, webargs=None):
"""
Programmatic interface for uploading data
@param request: the request object
@param webargs: POST data with userDefProjectName, site, subject, session, scanId, graphsize, [list of invariants to compute] info
"""
# request.session.clear()
if (webargs and request.method == 'POST'):
# Check for malformatted input
webargs = webargs[1:] if webargs.startswith('/') else webargs
webargs = webargs[:-1] if webargs.endswith('/') else webargs
if len(webargs.split('/')) == 7:
[
userDefProjectName, site, subject, session, scanId, graphsize,
request.session['invariants']
] = webargs.split('/')
request.session['invariants'] = request.session[
'invariants'].split(',')
elif len(webargs.split('/')) == 6:
[userDefProjectName, site, subject, session, scanId,
graphsize] = webargs.split('/')
userDefProjectDir = adaptProjNameIfReq(
os.path.join(settings.MEDIA_ROOT, 'public', userDefProjectName,
site, subject, session, scanId))
''' Define data directory paths '''
derivatives, rawdata, graphs, request.session[
'graphInvariants'], images = defDataDirs(userDefProjectDir)
''' Make appropriate dirs if they dont already exist '''
createDirStruct.createDirStruct([
derivatives, rawdata, graphs, request.session['graphInvariants'],
images
])
print 'Directory structure created...'
uploadFiles = writeBodyToDisk(request.body, derivatives)
# Check which file is which
roi_xml_fn, fiber_fn, roi_raw_fn = filesorter.checkFileExtGengraph(
uploadFiles) # Check & sort files
''' Data Processing '''
if (re.match(re.compile('(b|big)', re.IGNORECASE), graphsize)):
request.session['graphsize'] = 'big'
request.session['smGrfn'], request.session['bgGrfn'], lccfn, SVDfn \
= processData(fiber_fn, roi_xml_fn, roi_raw_fn,graphs,\
request.session['graphInvariants'],\
request.session['graphsize'],True)
elif (re.match(re.compile('(s|small)', re.IGNORECASE), graphsize)):
request.session['graphsize'] = 'small'
request.session['smGrfn'], request.session['bgGrfn'], lccfn, SVDfn \
= processData(fiber_fn, roi_xml_fn, roi_raw_fn,graphs, request.session['graphInvariants'], request.session['graphsize'],True)
else:
return django.http.HttpResponseBadRequest(
"Missing graph size. Specify big or small")
# Run invariants
if len(request.session['invariants']) > 0:
print "Computing invariants"
if (request.session['graphsize'] == 'big'):
graph_fn = request.session['bgGrfn']
lcc_fn = request.session['lccfn']
elif (request.session['graphsize'] == 'small'):
graph_fn = request.session['smGrfn']
lcc_fn = None
invariant_fns = runInvariants(request.session['invariants'],\
graph_fn, request.session['graphInvariants'],\
lcc_fn, request.session['graphsize'])
#ret = rzfile.printdir()
#ret = rzfile.testzip()
#ret = rzfile.namelist()
# request.session.clear()
dwnldLoc = "http://mrbrain.cs.jhu.edu" + userDefProjectDir.replace(
' ', '%20')
return HttpResponse(
"Files available for download at " +
dwnldLoc) # change to render of a page with a link to data result
elif (not webargs):
# request.session.clear()
return django.http.HttpResponseBadRequest(
"Expected web arguments to direct project correctly")
else:
# request.session.clear()
return django.http.HttpResponseBadRequest(
"Expected POST data, but none given")
def upload(request, webargs=None):
"""
Programmatic interface for uploading data
@param request: the request object
@param webargs: POST data with userDefProjectName, site, subject, session, scanId, graphsize, [list of invariants to compute] info
"""
# request.session.clear()
if (webargs and request.method == 'POST'):
# Check for malformatted input
webargs = webargs[1:] if webargs.startswith('/') else webargs
webargs = webargs[:-1] if webargs.endswith('/') else webargs
if len(webargs.split('/')) == 7:
[userDefProjectName, site, subject, session, scanId, graphsize, request.session['invariants'] ] = webargs.split('/')
request.session['invariants'] = request.session['invariants'].split(',')
elif len(webargs.split('/')) == 6:
[userDefProjectName, site, subject, session, scanId, graphsize] = webargs.split('/')
userDefProjectDir = adaptProjNameIfReq(os.path.join(settings.MEDIA_ROOT, 'public', userDefProjectName, site, subject, session, scanId))
''' Define data directory paths '''
derivatives, rawdata, graphs, request.session['graphInvariants'], images = defDataDirs(userDefProjectDir)
''' Make appropriate dirs if they dont already exist '''
createDirStruct.createDirStruct([derivatives, rawdata, graphs, request.session['graphInvariants'], images])
print 'Directory structure created...'
uploadFiles = writeBodyToDisk(request.body, derivatives)
# Check which file is which
roi_xml_fn, fiber_fn, roi_raw_fn = filesorter.checkFileExtGengraph(uploadFiles) # Check & sort files
''' Data Processing '''
if (re.match(re.compile('(b|big)', re.IGNORECASE), graphsize)):
request.session['graphsize'] = 'big'
request.session['smGrfn'], request.session['bgGrfn'], lccfn, SVDfn \
= processData(fiber_fn, roi_xml_fn, roi_raw_fn,graphs,\
request.session['graphInvariants'],\
request.session['graphsize'],True)
elif(re.match(re.compile('(s|small)', re.IGNORECASE), graphsize)):
request.session['graphsize'] = 'small'
request.session['smGrfn'], request.session['bgGrfn'], lccfn, SVDfn \
= processData(fiber_fn, roi_xml_fn, roi_raw_fn,graphs, request.session['graphInvariants'], request.session['graphsize'],True)
else:
return django.http.HttpResponseBadRequest ("Missing graph size. Specify big or small")
# Run invariants
if len(request.session['invariants']) > 0:
print "Computing invariants"
if (request.session['graphsize'] == 'big'):
graph_fn = request.session['bgGrfn']
lcc_fn = request.session['lccfn']
elif (request.session['graphsize'] == 'small'):
graph_fn = request.session['smGrfn']
lcc_fn = None
invariant_fns = runInvariants(request.session['invariants'],\
graph_fn, request.session['graphInvariants'],\
lcc_fn, request.session['graphsize'])
#ret = rzfile.printdir()
#ret = rzfile.testzip()
#ret = rzfile.namelist()
# request.session.clear()
dwnldLoc = "http://mrbrain.cs.jhu.edu" + userDefProjectDir.replace(' ','%20')
return HttpResponse ( "Files available for download at " + dwnldLoc) # change to render of a page with a link to data result
elif(not webargs):
# request.session.clear()
return django.http.HttpResponseBadRequest ("Expected web arguments to direct project correctly")
else:
# request.session.clear()
return django.http.HttpResponseBadRequest ("Expected POST data, but none given")
