def uploadtrack(request,group_short_code,song_short_code):
cur_group = Group.objects.get(short_code=group_short_code)
cur_song = Song.objects.get(short_code=song_short_code)
if request.method == 'POST':
form = UploadTrackForm(request.POST, request.FILES)
if form.is_valid():
newtrack = Track (
song = cur_song,
location = "INVALID",
name = form.cleaned_data['name'])
newtrack.save();
newfile = request.FILES['file'];
temp_dest_filename = localsettings.basedir() + 'static/user/tracks/t_' + str(newtrack.id) + os.path.splitext(newfile.name)[1]
simple_dest_filename = str(newtrack.id) + '.wav'
dest_filename = localsettings.basedir() + 'static/user/tracks/' + simple_dest_filename#TODO REMOVE HARDCODED EXTENTION
destination = open(temp_dest_filename, 'wb+')
for chunk in newfile.chunks():
destination.write(chunk)
destination.close()
soxcommand_clean = "sox "+temp_dest_filename+" "+dest_filename+" channels 1"; #reduces the track to mono
os.system(soxcommand_clean)
newtrack.location = simple_dest_filename;# str(newchannel.id) + "-" + newfile.name.replace("..", "_").replace("/", "_").replace("~", "_").replace("$", "_").replace("*", "_");
newtrack.save()
rmcommand = 'rm '+temp_dest_filename;
os.system(rmcommand)
return HttpResponseRedirect('/arranger/group/'+group_short_code+'/song/'+song_short_code+'/')
else:
form = UploadTrackForm()
return render(request, 'arranger/uploadchannel.html', {'form': form, "group": cur_group, "song":cur_song })
def deletepdf(request,group_short_code,song_short_code):
cur_group = Group.objects.get(short_code=group_short_code)
cur_song = Song.objects.get(short_code=song_short_code)
command = "rm " + localsettings.basedir() + 'static/user/pdfs/' + cur_song.pdf_location
os.system(command)
cur_song.pdf_location = "";
cur_song.save();
return HttpResponseRedirect('/arranger/group/'+group_short_code+'/song/'+song_short_code+'/')
def uploadpdf(request,group_short_code,song_short_code):
cur_group = Group.objects.get(short_code=group_short_code)
cur_song = Song.objects.get(short_code=song_short_code)
if request.method == 'POST':
form = UploadPDFForm(request.POST, request.FILES)
if form.is_valid():
newfile = request.FILES['file'];
filename = str(cur_song.id) + ".pdf"
destination = open(localsettings.basedir() + 'static/user/pdfs/' + filename, 'wb+')
for chunk in newfile.chunks():
destination.write(chunk)
destination.close()
cur_song.pdf_location = filename;
cur_song.save()
return HttpResponseRedirect('/arranger/group/'+group_short_code+'/song/'+song_short_code+'/')
else:
form = UploadPDFForm()
return render(request, 'arranger/uploadpdf.html', {'form': form, "song":cur_song, "group":cur_group })
def makeamixdown(request, group_short_code, song_short_code):
#create a list to include all temporary files
tempfiles = []
#GET THE POST VALUES FROM REQUEST
jsonstring = request.POST["json"]
#GET THE FILENAME HASH
hexhash = hashlib.sha256(jsonstring).hexdigest()
#CREATE AN OBJECT OUT OF THE DATA: "json"
data = json.loads(jsonstring)
#TODO: LATER HERE, ADD IN EFFECT PROCESSING
#FROM THAT OBJECT DETERMINE WHAT GOES INTO THE LEFT CHANEL AND WHAT GOES INTO THE RIGHT CHANEL
left, right = [], []
for track in data:
if track["pan"] == "Center" or track["pan"] == "Left":
left.append("static/user/tracks/" + track["filename"])
if track["pan"] == "Center" or track["pan"] == "Right":
right.append("static/user/tracks/" + track["filename"])
if not left or not right: #Get sample rate of project if we need silence.
sr = os.popen('soxi -r ' + localsettings.basedir() +
"static/user/tracks/" + data[0]["filename"]).read()
sr = sr[:-1]
#COMBINE LEFT CHANEL FILES AND RIGHT CHANEL FILES #TODO: I AM BREAKING (DRY)[wiki]. Factor this out.
left_outputfile = localsettings.basedir(
) + "static/user/temp/LEFT_temp_" + hexhash + ".wav"
tempfiles.append(left_outputfile)
if len(left) > 1:
leftmixfiles = ""
for a in left:
leftmixfiles += localsettings.basedir() + a + " "
leftmixcommand = "sox -m " + leftmixfiles + " " + left_outputfile
if len(left) == 1:
leftmixcommand = "sox " + localsettings.basedir(
) + left[0] + " " + left_outputfile
if len(left) == 0:
leftmixcommand = "sox -n -r " + sr + " " + left_outputfile + " trim 0.0 1"
print(leftmixcommand)
os.system(leftmixcommand)
right_outputfile = localsettings.basedir(
) + "static/user/temp/RIGHT_temp_" + hexhash + ".wav"
tempfiles.append(right_outputfile)
if len(right) > 1:
rightmixfiles = ""
for a in right:
rightmixfiles += localsettings.basedir() + a + " "
rightmixcommand = "sox -m " + rightmixfiles + " " + right_outputfile
if len(right) == 1:
rightmixcommand = "sox " + localsettings.basedir(
) + right[0] + " " + right_outputfile
if len(right) == 0:
rightmixcommand = "sox -n -r " + sr + " " + right_outputfile + " trim 0.0 1"
print(rightmixcommand)
os.system(rightmixcommand)
final_outputfile = localsettings.basedir(
) + "static/user/mixdowns/" + hexhash + ".wav"
final_outputfile_url = "/static/user/mixdowns/" + hexhash + ".wav"
finalremixcommand = "sox -M " + left_outputfile + " " + right_outputfile + " " + final_outputfile
print(finalremixcommand)
os.system(finalremixcommand)
#Clean up any temporary files
for afile in tempfiles:
os.system("rm " + afile)
#RESPOND WITH THE URL OF THE MIXDOWN FILE
return HttpResponse(final_outputfile_url)
def makeamixdown(request, group_short_code, song_short_code):
#create a list to include all temporary files
tempfiles = []
#GET THE POST VALUES FROM REQUEST
jsonstring = request.POST["json"]
#GET THE FILENAME HASH
hexhash = hashlib.sha256(jsonstring).hexdigest()
#CREATE AN OBJECT OUT OF THE DATA: "json"
data = json.loads(jsonstring)
#TODO: LATER HERE, ADD IN EFFECT PROCESSING
#FROM THAT OBJECT DETERMINE WHAT GOES INTO THE LEFT CHANEL AND WHAT GOES INTO THE RIGHT CHANEL
left, right = [], [];
for track in data:
if track["pan"] == "Center" or track["pan"] == "Left":
left.append("static/user/tracks/"+track["filename"])
if track["pan"] == "Center" or track["pan"] == "Right":
right.append("static/user/tracks/"+track["filename"])
if not left or not right: #Get sample rate of project if we need silence.
sr = os.popen('soxi -r ' + localsettings.basedir() + "static/user/tracks/" + data[0]["filename"]).read()
sr = sr[:-1]
#COMBINE LEFT CHANEL FILES AND RIGHT CHANEL FILES #TODO: I AM BREAKING (DRY)[wiki]. Factor this out.
left_outputfile = localsettings.basedir() + "static/user/temp/LEFT_temp_"+hexhash+".wav"
tempfiles.append(left_outputfile)
if len(left) > 1:
leftmixfiles = ""
for a in left:
leftmixfiles += localsettings.basedir() + a + " "
leftmixcommand = "sox -m "+leftmixfiles+" "+left_outputfile
if len(left) == 1:
leftmixcommand = "sox "+ localsettings.basedir() + left[0]+" "+left_outputfile
if len(left) == 0:
leftmixcommand = "sox -n -r "+ sr +" "+left_outputfile+" trim 0.0 1"
print(leftmixcommand)
os.system(leftmixcommand)
right_outputfile = localsettings.basedir() + "static/user/temp/RIGHT_temp_"+hexhash+".wav"
tempfiles.append(right_outputfile)
if len(right) > 1:
rightmixfiles = ""
for a in right:
rightmixfiles += localsettings.basedir() + a + " "
rightmixcommand = "sox -m "+rightmixfiles+" "+right_outputfile
if len(right) == 1:
rightmixcommand = "sox "+localsettings.basedir() + right[0]+" "+right_outputfile
if len(right) == 0:
rightmixcommand = "sox -n -r "+ sr +" "+right_outputfile+" trim 0.0 1"
print(rightmixcommand)
os.system(rightmixcommand)
final_outputfile = localsettings.basedir() + "static/user/mixdowns/"+hexhash+".wav"
final_outputfile_url = "/static/user/mixdowns/"+hexhash+".wav"
finalremixcommand = "sox -M "+left_outputfile+" "+right_outputfile+" "+final_outputfile
print(finalremixcommand)
os.system(finalremixcommand)
#Clean up any temporary files
for afile in tempfiles:
os.system("rm "+afile)
#RESPOND WITH THE URL OF THE MIXDOWN FILE
return HttpResponse(final_outputfile_url)
