def create(request):
"""
Creates a new translation request for the current user.
Does not yet work for anonymous users!
"""
LOGGER.info('Rendering create request view for user "{0}".'.format(
request.user.username))
form = None
if request.method == "POST":
form = TranslationRequestForm(request.POST, request.FILES)
if form.errors:
LOGGER.info('Form validation errors: {0}'.format(
['{0}: {1}'.format(a, b[0]) for a, b in form.errors.items()]))
if form.is_valid():
LOGGER.info('Create request form is valid.')
new = TranslationRequest()
new.shortname = request.POST['shortname']
new.worker = WorkerServer.objects.get(
pk=int(request.POST['worker']))
new.source_text = request.FILES['source_text']
text = ''
for chunk in request.FILES['source_text'].chunks():
text += chunk
new.request_id = new.start_translation(text)
if not new.request_id:
LOGGER.warning('Could not start translation request!')
messages.add_message(request, messages.ERROR,
'Could not start translation request!')
return HttpResponseRedirect('/dashboard/')
new.owner = request.user
new.save()
messages.add_message(request, messages.SUCCESS,
'Successfully started translation request.')
return HttpResponseRedirect('/dashboard/')
else:
form = TranslationRequestForm()
#from serverland.dashboard.models import WorkerServer
#workers = WorkerServer.objects.all()
#active_workers = [w for w in workers if w.is_alive()]
dictionary = {'title': 'MT Server Land (prototype) -- Create translation',
'form': form}
return render_to_response('dashboard/create.html', dictionary,
context_instance=RequestContext(request))
def create(request):
"""
Creates a new translation request for the current user.
Does not yet work for anonymous users!
"""
LOGGER.info('Rendering create request view for user "{0}".'.format(request.user.username))
form = None
if request.method == "POST":
form = TranslationRequestForm(request.user, request.POST, request.FILES)
if form.errors:
LOGGER.info(
"Form validation errors: {0}".format(["{0}: {1}".format(a, b[0]) for a, b in form.errors.items()])
)
if form.is_valid():
LOGGER.info("Create request form is valid.")
new = TranslationRequest()
new.shortname = request.POST["shortname"]
new.owner = request.user
new.worker = WorkerServer.objects.get(pk=int(request.POST["worker"]))
message = TranslationRequestMessage()
message.request_id = new.request_id
message.source_language = request.POST["source_language"]
message.target_language = request.POST["target_language"]
message.source_text = u""
for chunk in request.FILES["source_text"].chunks():
message.source_text += unicode(chunk, "utf-8")
handle = open("{0}/{1}.message".format(TRANSLATION_MESSAGE_PATH, new.request_id), "w+b")
# pylint: disable-msg=E1101
handle.write(message.SerializeToString())
handle.close()
new.save()
# cfedermann: We have to decide whether the translation process
# should directly be sent to the worker server or whether it
# makes more sense to "queue" it on the broker server and have
# a cronjob start the process when the worker is not busy...
# This does have impact on system performance/robustness!
new.start_translation()
messages.add_message(
request, messages.SUCCESS, "Successfully " 'started translation request "{0}".'.format(new.shortname)
)
return HttpResponseRedirect(reverse("dashboard"))
else:
try:
form = TranslationRequestForm(user=request.user)
except AssertionError, msg:
messages.add_message(request, messages.ERROR, msg)
return HttpResponseRedirect(reverse("dashboard"))
def create(self, request, shortname = None, results = False):
'''Handles a POST request to create a new translation request.'''
if shortname is not None or results:
return rc.BAD_REQUEST
print 'CREATE content-type', request.content_type # DEBUG
# get the data from the POST request
postdata = self.flatten_dict(request.data)
# ensure that the worker field is present
postdata['worker'] = postdata.get('worker','')
# convert worker shortname to a worker ID if needed
if not postdata['worker'].isdigit():
try:
postdata['worker'] = str(WorkerServer.objects.get(
shortname=postdata['worker']).id)
except ObjectDoesNotExist:
return rc.BAD_REQUEST
# check whether the translation request is a duplicate
if 'shortname' in postdata:
try:
TranslationRequest.objects.get(shortname=postdata['shortname'])
return rc.DUPLICATE_ENTRY
except MultipleObjectsReturned:
return rc.DUPLICATE_ENTRY
except ObjectDoesNotExist:
pass
# validate POST data using our Django form
form = TranslationRequestForm(request.user, postdata, request.FILES)
try:
if not form.is_valid():
return rc.BAD_REQUEST
except KeyError:
return rc.BAD_REQUEST
# create a new request object
new = TranslationRequest()
new.shortname = form.cleaned_data['shortname']
new.owner = request.user
new.worker = form.cleaned_data['worker']
# create a new worker message
message = TranslationRequestMessage()
message.request_id = new.request_id
message.source_language = form.cleaned_data['source_language']
message.target_language = form.cleaned_data['target_language']
message.source_text = u''
for chunk in request.FILES['source_text'].chunks():
message.source_text += unicode(chunk, 'utf-8')
handle = open('{0}/{1}.message'.format(TRANSLATION_MESSAGE_PATH,
new.request_id), 'w+b')
handle.write(message.SerializeToString())
handle.close()
new.save()
new.start_translation()
messages.add_message(request, messages.SUCCESS, 'Successfully ' \
'started translation request "{0}".'.format(
new.shortname))
# return 201 CREATED
response = rc.CREATED
# put the URI of the newly created object into the HTTP header
# Location field (see RFC 2616)
response['Location'] = reverse('requests', args=[new.request_id + '/'])
# echo the created object inside the HTTP response
# NOTE: this overwrites the "Location" header field set above.
# See piston.resource.__call__()
response.content = RequestHandler.request_to_dict(new)
return response
def create(request):
"""
Creates a new translation request for the current user.
Does not yet work for anonymous users!
"""
LOGGER.info('Rendering create request view for user "{0}".'.format(request.user.username))
form = None
if request.method == "POST":
form = TranslationRequestForm(request.POST, request.FILES)
if form.errors:
LOGGER.info(
"Form validation errors: {0}".format(["{0}: {1}".format(a, b[0]) for a, b in form.errors.items()])
)
if form.is_valid():
LOGGER.info("Create request form is valid.")
new = TranslationRequest()
new.shortname = request.POST["shortname"]
new.owner = request.user
new.worker = WorkerServer.objects.get(pk=int(request.POST["worker"]))
message = TranslationRequestMessage()
message.request_id = new.request_id
message.source_language = request.POST["source_language"]
message.target_language = request.POST["target_language"]
message.source_text = u""
for chunk in request.FILES["source_text"].chunks():
message.source_text += unicode(chunk, "utf-8")
handle = open("{0}/{1}.message".format(TRANSLATION_MESSAGE_PATH, new.request_id), "w+b")
handle.write(message.SerializeToString())
handle.close()
new.save()
# cfedermann: We have to decide whether the translation process
# should directly be sent to the worker server or whether it
# makes more sense to "queue" it on the broker server and have
# a cronjob start the process when the worker is not busy...
# This does have impact on system performance/robustness!
new.start_translation()
messages.add_message(
request, messages.SUCCESS, "Successfully " 'started translation request "{0}".'.format(new.shortname)
)
return HttpResponseRedirect("/dashboard/")
else:
form = TranslationRequestForm()
# from serverland.dashboard.models import WorkerServer
# workers = WorkerServer.objects.all()
# active_workers = [w for w in workers if w.is_alive()]
dictionary = {"title": "MT Server Land (prototype) -- Create translation", "form": form}
return render_to_response("dashboard/create.html", dictionary, context_instance=RequestContext(request))
