def upload_score(request):
'''
Handle score file upload
'''
if request.method == 'POST':
# deal with the form input
form = UploadScoreForm(request.POST, request.FILES)
if form.is_valid():
# check extension of uploaded score file
input_file = request.FILES['score_file']
# TODO: try and parse this information from the XML file
meta = MetaMusic(title=request.POST['title'],
artist=request.POST['artist'],
copyright=request.POST['copyright'])
meta.save()
filename, input_ext = os.path.splitext(input_file.name)
if input_ext == '.xml':
# convert the MusicXML file to Mei format
pmei = MeiPitch(fk_mid=meta)
pmei.convert_musicxml(filename + '.mei',
request.FILES['score_file'].read())
elif input_ext == '.mei':
# the uploaded file is an mei file, put it directly into the model
pmei = MeiPitch(mei_file=input_file, fk_mid=meta)
pmei.save()
else:
raise ValueError('Input file must be a MusicXML or Mei file')
frets = request.POST['num_frets']
capo = request.POST['capo']
tuning = request.POST['tuning']
sanitize = request.POST['pitch_sanitize']
# redirect and construct the Tabulate object in the process view to allow
# the input file to be processed multiple times by the user
# to get different tablature output, if desired.
return HttpResponseRedirect(
'/tabulate/%d/?frets=%s&capo=%s&tuning=%s&sanitize=%s' %
(pmei.id, frets, capo, tuning, sanitize))
else:
# serve the form
form = UploadScoreForm()
return render_to_response('uploadscore.html', {'form': form},
context_instance=RequestContext(request))
def upload_audio(request):
'''
Handle an audio file upload
'''
if request.method == 'POST':
# deal with the form input
form = UploadAudioForm(request.POST, request.FILES)
if form.is_valid():
# check extension of uploaded audio file
input_file = request.FILES['audio_file']
filename, input_ext = os.path.splitext(input_file.name)
if input_ext != '.wav':
raise ValueError('Input file must be a .wav file')
# enter metadata of the uploaded audio into the db
# TODO: hook up to musicbrainz to gather this information
meta = MetaMusic(title=request.POST['title'],
artist=request.POST['artist'],
copyright=request.POST['copyright'])
meta.save()
audio = Audio(fk_mid=meta, audio_file=input_file)
audio.save()
frets = request.POST['num_frets']
capo = request.POST['capo']
tuning = request.POST['tuning']
sanitize = request.POST['pitch_sanitize']
return HttpResponseRedirect(
'/transcribe/%d/?frets=%s&capo=%s&tuning=%s&sanitize=%s' %
(audio.id, frets, capo, tuning, sanitize))
else:
# serve the form
form = UploadAudioForm()
return render_to_response('uploadtranscribe.html', {'form': form},
context_instance=RequestContext(request))
def upload_tablature(request):
'''
Handle score file upload
'''
if request.method == 'POST':
# deal with the form input
form = UploadTablatureForm(request.POST, request.FILES)
if form.is_valid():
# check extension of uploaded score file
input_file = request.FILES['score_file']
# TODO: try and parse this information from the XML file
meta = MetaMusic(
title=request.POST['title'],
artist=request.POST['artist'],
copyright=request.POST['copyright']
)
meta.save()
filename, input_ext = os.path.splitext(input_file.name)
if input_ext == '.xml':
# convert the MusicXML file to Mei format
tmei = MeiTab(fk_mid=meta)
tmei.convert_musicxml(filename+'.mei', request.FILES['score_file'].read())
elif input_ext == '.mei':
# the uploaded file is an mei file, put it directly into the model
tmei = MeiTab(mei_file=input_file, fk_mid=meta)
tmei.save()
else:
raise ValueError('Input file must be a MusicXML or Mei file')
# display the uploaded tab
return HttpResponseRedirect('/display/%d' % tmei.id)
else:
# serve the form
form = UploadTablatureForm()
return render_to_response('uploadtablature.html', {'form': form}, context_instance=RequestContext(request))