def modify_stream(request):
success = False
msg = ""
form = request.GET
request = form_to_request(form)
arg_hack = json.dumps(request)
db.log_event("modify_stream", int(form['session_id']), form)
if form.has_key('session_id'):
session = models.Session.objects.select_related('project').get(id=form['session_id'])
project = session.project
if form.has_key('language'):
try:
logging.debug("modify_stream: language: " + form['language'])
l = models.Language.objects.filter(language_code=form['language'])[0]
session.language = l
session.save()
except:
raise roundexception.RoundException("language not supported")
audio_format = project.audio_format.upper()
if stream_exists(int(form['session_id']), audio_format):
rounddbus.emit_stream_signal(int(form['session_id']), "modify_stream", arg_hack)
success = True
else:
msg = "no stream available for session: " + form['session_id']
else:
msg = "a session_id is required for this operation"
if success:
return {"success": success}
else:
return {"success": success, }
def upload_recording (form):
logging.debug("upload_recording")
db.log_event(7, form)
user = form_to_user(form)
request = form_to_recording_request(form)
fileitem = form['file']
id_to_update = form['recordingid']
if id_to_update != None:
if fileitem.filename:
logging.debug("Processing " + fileitem.filename)
(filename_prefix, filename_extension) = \
os.path.splitext(fileitem.filename)
fn = time.strftime("%Y%m%d-%H%M%S") + filename_extension
fileout = open(os.path.join(settings.config["upload_dir"], fn), 'wb')
fileout.write(fileitem.file.read())
fileout.close()
retval = update_recorded_file_helper (user, request, fn, id_to_update)
refresh_recordings()
return retval
else:
raise RoundException("Uploaded file has no filename")
else:
raise RoundException("No recordingid provided for update")
def vote_asset(request):
form = request.GET
db.log_event("vote_asset", int(form['session_id']), form)
if not form.has_key('session_id'):
raise roundexception.RoundException("a session_id is required for this operation")
if not form.has_key('asset_id'):
raise roundexception.RoundException("an asset_id is required for this operation")
if not form.has_key('vote_type'):
raise roundexception.RoundException("a vote_type is required for this operation")
if check_for_single_audiotrack(form.get('session_id')) != True:
raise roundexception.RoundException("this operation is only valid for projects with 1 audiotrack")
try:
session = models.Session.objects.get(id=int(form.get('session_id')))
except:
raise roundexception.RoundException("Session not found.")
try:
asset = models.Asset.objects.get(id=int(form.get('asset_id')))
except:
raise roundexception.RoundException("asset not found.")
if not form.has_key('value'):
v = models.Vote(asset=asset, session=session, type=form.get('vote_type'))
else:
v = models.Vote(asset=asset, session=session, value=int(form.get('value')), type=form.get('vote_type'))
v.save()
return {"success": True}
def skip_ahead(request):
form = request.GET
db.log_event("skip_ahead", int(form['session_id']), form)
if not form.has_key('session_id'):
raise roundexception.RoundException("a session_id is required for this operation")
if check_for_single_audiotrack(form.get('session_id')) != True:
raise roundexception.RoundException("this operation is only valid for projects with 1 audiotrack")
rounddbus.emit_stream_signal(int(form['session_id']), "skip_ahead", "")
return {"success": True}
def log_event (request):
form = request.GET
if not form.has_key('session_id'):
raise roundexception.RoundException("a session_id is required for this operation")
if not form.has_key('event_type'):
raise roundexception.RoundException("an event_type is required for this operation")
db.log_event(form.get('event_type'),form.get('session_id'), form)
return {"success":True}
def cleanup(self):
db.log_event("cleanup_session", self.sessionid,None)
logging.debug("Cleaning up" + str(self.sessionid))
if self.pipeline:
if self.watch_id:
self.pipeline.get_bus().remove_signal_watch()
self.pipeline.get_bus().disconnect(self.watch_id)
self.watch_id = None
self.pipeline.set_state(gst.STATE_NULL)
self.main_loop.quit()
def skip_ahead(request):
form = request.GET
db.log_event("skip_ahead", int(form['session_id']), form)
if not form.has_key('session_id'):
raise roundexception.RoundException(
"a session_id is required for this operation")
if check_for_single_audiotrack(form.get('session_id')) != True:
raise roundexception.RoundException(
"this operation is only valid for projects with 1 audiotrack")
rounddbus.emit_stream_signal(int(form['session_id']), "skip_ahead", "")
return {"success": True}
def cleanup(self):
db.log_event("cleanup_session", self.sessionid, None)
logging.debug("Cleaning up" + str(self.sessionid))
#db.cleanup_history_for_session(self.sessionid)
if self.pipeline:
if self.watch_id:
self.pipeline.get_bus().remove_signal_watch()
self.pipeline.get_bus().disconnect(self.watch_id)
self.watch_id = None
self.pipeline.set_state(gst.STATE_NULL)
self.main_loop.quit()
def log_event(request):
form = request.GET
if not form.has_key('session_id'):
raise roundexception.RoundException(
"a session_id is required for this operation")
if not form.has_key('event_type'):
raise roundexception.RoundException(
"an event_type is required for this operation")
db.log_event(form.get('event_type'), form.get('session_id'), form)
return {"success": True}
def request_stream (form):
logging.debug("request")
#FIXME: next line is a hack. os.envrion is not available from fastcgi
db.log_event(10, form)
hostname_without_port = str(settings.config["external_host_name_without_port"])
if is_listener_in_range_of_stream(form):
udid = ""
if form.has_key('udid'):
udid = form['udid']
sessionid = db.create_session(udid)
command = ['/usr/local/bin/streamscript', '--sessionid', str(sessionid)]
for p in ['categoryid', 'subcategoryid', 'questionid', 'usertypeid', 'genderid', 'demographicid', 'ageid', 'latitude', 'longitude', 'audioformat']:
if form.has_key(p) and form[p]:
command.extend(['--' + p, form[p].replace("\t", ",")])
if form.has_key('config'):
command.extend(['--configfile', os.path.join(settings.configdir, form['config'])])
audio_format = 'MP3'
if form.has_key('audioformat'):
audio_format = form['audioformat'].upper()
apache_safe_daemon_subprocess(command)
wait_for_stream(sessionid, audio_format)
#TODO: must return streamurl and sessionid here
# do NOT brake scapes.py
return {
"SESSIONID" : sessionid,
"STREAM_URL" : "http://" + hostname_without_port + ":" + \
str(settings.config["icecast_port"]) + \
icecast_mount_point(sessionid, audio_format),
}
else:
msg = "This application is designed to be used in specific geographic locations. Apparently your phone thinks you are not at one of those locations, so you will hear a sample audio stream instead of the real deal. If you think your phone is incorrect, please restart Scapes and it will probably work. Thanks for checking it out!"
if form.has_key('out_of_range_message'):
msg = form['out_of_range_message']
url = "http://" + hostname_without_port + ":" + \
str(settings.config["icecast_port"]) + \
"/outofrange.mp3"
if form.has_key('categoryid'):
dburl = db.get_out_of_range_url_for_categoryid(form["categoryid"])
if(dburl):
url = dburl
return {
"SESSIONID" : "-1",
'STREAM_URL' : url ,
'USER_ERROR_MESSAGE' : msg
}
def add_asset_to_envelope(request):
envelope_id = get_parameter_from_request(request, 'envelope_id', True)
latitude = get_parameter_from_request(request, 'latitude', False)
longitude = get_parameter_from_request(request, 'longitude', False)
if latitude == None:
latitude = 0.0
if longitude == None:
longitude = 0.0
tagset = []
tags = get_parameter_from_request(request, 'tags', False)
if tags != None:
ids = tags.split(',')
tagset = models.Tag.objects.filter(id__in=ids)
envelope = models.Envelope.objects.get(id=envelope_id)
session = envelope.session
submitted = get_parameter_from_request(request, 'submitted', False)
if submitted == None:
submitted=session.project.auto_submit
db.log_event("start_upload", session.id,request.GET)
fileitem = request.FILES.get('file')
if fileitem.name:
logging.debug("Processing " + fileitem.name)
(filename_prefix, filename_extension) = \
os.path.splitext(fileitem.name)
fn = time.strftime("%Y%m%d-%H%M%S") + filename_extension
fileout = open(os.path.join(settings.config["upload_dir"], fn), 'wb')
fileout.write(fileitem.file.read())
fileout.close()
newfilename = convertaudio.convert_uploaded_file(fn)
if newfilename:
asset = models.Asset(latitude=latitude,longitude=longitude,
filename=newfilename, session=session, submitted=submitted, volume=1.0)
asset.project = session.project
asset.save()
for t in tagset:
asset.tags.add(t)
discover_audiolength.discover_and_set_audiolength(asset, newfilename)
asset.save()
envelope.assets.add(asset)
envelope.save()
else:
raise RoundException("File not converted successfully: " + newfilename)
else:
raise RoundException("No file in request")
rounddbus.emit_stream_signal(0, "refresh_recordings", "")
return {"success":True}
def enter_recording (form):
response = {}
logging.debug("enter_recording")
db.log_event(7, form)
user = form_to_user(form)
request = form_to_recording_request(form)
recordingid = db.store_recording(user, request, '')
response['RESULT'] = recordingid
msg = db.get_sharing_message_for_categoryid(form['categoryid'])
msg = msg + str(recordingid)
response['SHARING_MESSAGE'] = msg
return response
def play_asset_in_stream(request):
form = request.GET
# add skipped asset_id to form in order to track which asset is played
#assetid = form[asset_id]
#form[data] = form["asset_id"]
request = form_to_request(form)
arg_hack = json.dumps(request)
db.log_event("play_asset_in_stream", int(form['session_id']), form)
if not form.has_key('session_id'):
raise roundexception.RoundException("a session_id is required for this operation")
if check_for_single_audiotrack(form.get('session_id')) != True:
raise roundexception.RoundException("this operation is only valid for projects with 1 audiotrack")
if not form.has_key('asset_id'):
raise roundexception.RoundException("an asset_id is required for this operation")
rounddbus.emit_stream_signal(int(form['session_id']), "play_asset", arg_hack)
return {"success": True}
def upload_and_process_file (form):
logging.debug("upload_and_process_file")
db.log_event(7, form)
user = form_to_user(form)
request = form_to_recording_request(form)
submityn = form['submittedyn']
fileitem = form['file']
if fileitem.filename:
logging.debug("Processing " + fileitem.filename)
(filename_prefix, filename_extension) = \
os.path.splitext(fileitem.filename)
fn = time.strftime("%Y%m%d-%H%M%S") + filename_extension
fileout = open(os.path.join(settings.config["upload_dir"], fn), 'wb')
fileout.write(fileitem.file.read())
fileout.close()
retval = process_recorded_file_helper (user, request, fn, submityn)
refresh_recordings()
return retval
else:
raise RoundException("Uploaded file has no filename")
def play_asset_in_stream(request):
form = request.GET
# add skipped asset_id to form in order to track which asset is played
#assetid = form[asset_id]
#form[data] = form["asset_id"]
request = form_to_request(form)
arg_hack = json.dumps(request)
db.log_event("play_asset_in_stream", int(form['session_id']), form)
if not form.has_key('session_id'):
raise roundexception.RoundException(
"a session_id is required for this operation")
if check_for_single_audiotrack(form.get('session_id')) != True:
raise roundexception.RoundException(
"this operation is only valid for projects with 1 audiotrack")
if not form.has_key('asset_id'):
raise roundexception.RoundException(
"an asset_id is required for this operation")
rounddbus.emit_stream_signal(int(form['session_id']), "play_asset",
arg_hack)
return {"success": True}
def get_config(request):
form = request.GET
try:
hostname_without_port = str(settings.config["external_host_name_without_port"])
except KeyError:
raise roundexception.RoundException("Roundware configuration file is missing 'external_host_name_without_port' key. ")
#check params
if not form.has_key('project_id'):
raise roundexception.RoundException("a project_id is required for this operation")
project = models.Project.objects.get(id=form.get('project_id'))
if not form.has_key('device_id') or (form.has_key('device_id') and form['device_id']==""):
device_id = str(uuid.uuid4())
else:
device_id = form.get('device_id')
session_id = db.create_session(device_id,project)
sharing_url = str.format("http://{0}/roundware/?operation=view_envelope&envelopeid=[id]", hostname_without_port)
response = [
{ "device":{"device_id":device_id}},
{ "session":{"session_id":session_id}},
{ "project":{
"project_id":project.id,
"project_name":project.name,
"audio_format":project.audio_format,
"max_recording_length":project.max_recording_length,
"sharing_message":project.sharing_message,
"sharing_url":sharing_url,
"listen_questions_dynamic":project.listen_questions_dynamic,
"speak_questions_dynamic":project.speak_questions_dynamic,
}},
{ "server":{
"version": "2.0"}}
]
db.log_event('start_session',session_id,None)
return response
def modify_stream(request):
success = False
msg = ""
form = request.GET
request = form_to_request(form)
arg_hack = json.dumps(request)
db.log_event("modify_stream", int(form['session_id']), form)
if form.has_key('session_id'):
session = models.Session.objects.select_related('project').get(
id=form['session_id'])
project = session.project
if form.has_key('language'):
try:
logging.debug("modify_stream: language: " + form['language'])
l = models.Language.objects.filter(
language_code=form['language'])[0]
session.language = l
session.save()
except:
raise roundexception.RoundException("language not supported")
audio_format = project.audio_format.upper()
if stream_exists(int(form['session_id']), audio_format):
rounddbus.emit_stream_signal(int(form['session_id']),
"modify_stream", arg_hack)
success = True
else:
msg = "no stream available for session: " + form['session_id']
else:
msg = "a session_id is required for this operation"
if success:
return {"success": success}
else:
return {
"success": success,
}
def modify_stream (request):
success = False
msg = ""
form = request.GET
request = form_to_request(form)
arg_hack = json.dumps(request)
db.log_event("modify_stream", int(form['session_id']),form)
if form.has_key('session_id'):
session = models.Session.objects.get(id=form['session_id'])
project = session.project
audio_format = project.audio_format.upper()
if stream_exists(int(form['session_id']), audio_format):
rounddbus.emit_stream_signal(int(form['session_id']), "modify_stream", arg_hack)
success = True
else:
msg = "no stream available for session: " + form['session_id']
else:
msg = "a session_id is required for this operation"
if success:
return {"success":success}
else:
return {"success":success,"user_error_message":msg}
def vote_asset(request):
form = request.GET
db.log_event("vote_asset", int(form['session_id']), form)
if not form.has_key('session_id'):
raise roundexception.RoundException(
"a session_id is required for this operation")
if not form.has_key('asset_id'):
raise roundexception.RoundException(
"an asset_id is required for this operation")
if not form.has_key('vote_type'):
raise roundexception.RoundException(
"a vote_type is required for this operation")
if check_for_single_audiotrack(form.get('session_id')) != True:
raise roundexception.RoundException(
"this operation is only valid for projects with 1 audiotrack")
try:
session = models.Session.objects.get(id=int(form.get('session_id')))
except:
raise roundexception.RoundException("Session not found.")
try:
asset = models.Asset.objects.get(id=int(form.get('asset_id')))
except:
raise roundexception.RoundException("asset not found.")
if not form.has_key('value'):
v = models.Vote(asset=asset,
session=session,
type=form.get('vote_type'))
else:
v = models.Vote(asset=asset,
session=session,
value=int(form.get('value')),
type=form.get('vote_type'))
v.save()
return {"success": True}
def add_asset_to_envelope(request):
#get asset_id from the GET request
asset_id = get_parameter_from_request(request, 'asset_id', False)
asset = None
#grab the Asset from the database, if an asset_id has been passed in
if asset_id:
try:
asset = models.Asset.objects.get(pk=asset_id)
except models.Asset.DoesNotExist:
raise roundexception.RoundException(
"Invalid Asset ID Provided. No Asset exists with ID %s" %
asset_id)
envelope_id = get_parameter_from_request(request, 'envelope_id', True)
envelope = models.Envelope.objects.select_related('session').get(
id=envelope_id)
session = envelope.session
db.log_event("start_upload", session.id, request.GET)
fileitem = request.FILES.get('file') if not asset else asset.file
#get mediatype from the GET request
mediatype = get_parameter_from_request(
request, 'mediatype', False) if not asset else asset.mediatype
#if mediatype parameter not passed, set to 'audio'
#this ensures backwards compatibility
if mediatype is None:
mediatype = "audio"
if fileitem.name:
#copy the file to a unique name (current time and date)
logging.debug("Processing " + fileitem.name)
(filename_prefix, filename_extension) = \
os.path.splitext(fileitem.name)
fn = time.strftime("%Y%m%d-%H%M%S") + filename_extension
fileout = open(os.path.join(settings.config["upload_dir"], fn), 'wb')
fileout.write(fileitem.file.read())
fileout.close()
#delete the uploaded original after the copy has been made
if asset:
asset.file.delete()
# re-assign file to asset
asset.file.name = fn
asset.filename = fn
asset.save()
#make sure everything is in wav form only if mediatype is audio
if mediatype == "audio":
newfilename = convertaudio.convert_uploaded_file(fn)
else:
newfilename = fn
if newfilename:
#create the new asset if request comes in from a source other
#than the django admin interface
if not asset:
#get location data from request
latitude = get_parameter_from_request(request, 'latitude',
False)
longitude = get_parameter_from_request(request, 'longitude',
False)
#if no location data in request, default to project latitude and longitude
if not latitude:
latitude = session.project.latitude
if not longitude:
longitude = session.project.longitude
tagset = []
tags = get_parameter_from_request(request, 'tags', False)
if tags is not None:
ids = tags.split(',')
tagset = models.Tag.objects.filter(id__in=ids)
# get optional submitted parameter from request (Y, N or blank string are only acceptable values)
submitted = get_parameter_from_request(request, 'submitted',
False)
# set submitted variable to proper boolean value if it is passed as parameter
if submitted == "N":
submitted = False
elif submitted == "Y":
submitted = True
# if blank string or not included as parameter, check if in range of project and if so
# set asset.submitted based on project.auto_submit boolean value
elif submitted is None or len(submitted) == 0:
submitted = False
if is_listener_in_range_of_stream(request.GET,
session.project):
submitted = session.project.auto_submit
asset = models.Asset(latitude=latitude,
longitude=longitude,
filename=newfilename,
session=session,
submitted=submitted,
mediatype=mediatype,
volume=1.0,
language=session.language,
project=session.project)
asset.file.name = fn
asset.save()
for t in tagset:
asset.tags.add(t)
#if the request comes from the django admin interface
#update the Asset with the right information
else:
#update asset with session
asset.session = session
asset.filename = newfilename
#get the audiolength of the file only if mediatype is audio and update the Asset
if mediatype == "audio":
discover_audiolength.discover_and_set_audiolength(
asset, newfilename)
asset.save()
envelope.assets.add(asset)
envelope.save()
else:
raise roundexception.RoundException(
"File not converted successfully: " + newfilename)
else:
raise roundexception.RoundException("No file in request")
rounddbus.emit_stream_signal(0, "refresh_recordings", "")
return {"success": True, "asset_id": asset.id}
def request_stream(request):
request_form = request.GET
try:
hostname_without_port = str(settings.config["external_host_name_without_port"])
except KeyError:
raise roundexception.RoundException("Roundware configuration file is missing 'external_host_name_without_port' key. ")
db.log_event("request_stream", int(request_form['session_id']), request_form)
if not request_form.get('session_id'):
raise roundexception.RoundException("Must supply session_id.")
session = models.Session.objects.select_related('project').get(id=request_form.get('session_id'))
project = session.project
if session.demo_stream_enabled:
msg = "demo_stream_message"
try:
msg = project.demo_stream_message_loc.filter(language=session.language)[0].localized_string
except:
pass
if project.demo_stream_url:
url = project.demo_stream_url
else:
url = "http://" + hostname_without_port + ":" + \
str(settings.config["icecast_port"]) + \
"/demo_stream.mp3"
return {
'stream_url': url,
'demo_stream_message': msg
}
elif is_listener_in_range_of_stream(request_form, project):
command = ['/usr/local/bin/streamscript', '--session_id', str(session.id), '--project_id', str(project.id)]
for p in ['latitude', 'longitude', 'audio_format']:
if request_form.has_key(p) and request_form[p]:
command.extend(['--' + p, request_form[p].replace("\t", ",")])
if request_form.has_key('config'):
command.extend(['--configfile', os.path.join(settings.configdir, request_form['config'])])
else:
command.extend(['--configfile', os.path.join(settings.configdir, 'rw')])
if request_form.has_key('audio_stream_bitrate'):
command.extend(['--audio_stream_bitrate', str(request_form['audio_stream_bitrate'])])
audio_format = project.audio_format.upper()
apache_safe_daemon_subprocess(command)
wait_for_stream(session.id, audio_format)
return {
"stream_url": "http://" + hostname_without_port + ":" + \
str(settings.config["icecast_port"]) + \
icecast_mount_point(session.id, audio_format),
}
else:
msg = "This application is designed to be used in specific geographic locations. Apparently your phone thinks you are not at one of those locations, so you will hear a sample audio stream instead of the real deal. If you think your phone is incorrect, please restart Scapes and it will probably work. Thanks for checking it out!"
try:
msg = project.out_of_range_message_loc.filter(language=session.language)[0].localized_string
except:
pass
if project.out_of_range_url:
url = project.out_of_range_url
else:
url = "http://" + hostname_without_port + ":" + \
str(settings.config["icecast_port"]) + \
"/outofrange.mp3"
return {
'stream_url': url,
'user_message': msg
}
def heartbeat (request):
form = request.GET
rounddbus.emit_stream_signal(int(form['session_id']), "heartbeat", "")
db.log_event("heartbeat", int(form['session_id']),form)
return {"success":True}
def get_config(request):
form = request.GET
try:
hostname_without_port = str(
settings.config["external_host_name_without_port"])
except KeyError:
raise roundexception.RoundException(
"Roundware configuration file is missing 'external_host_name_without_port' key. "
)
#check params
if not form.has_key('project_id'):
raise roundexception.RoundException(
"a project_id is required for this operation")
project = models.Project.objects.get(id=form.get('project_id'))
speakers = models.Speaker.objects.filter(
project=form.get('project_id')).values()
audiotracks = models.Audiotrack.objects.filter(
project=form.get('project_id')).values()
if not form.has_key('device_id') or (form.has_key('device_id')
and form['device_id'] == ""):
device_id = str(uuid.uuid4())
else:
device_id = form.get('device_id')
l = models.Language.objects.filter(language_code='en')[0]
if form.has_key('language') or (form.has_key('language')
and form['language'] == ""):
try:
l = models.Language.objects.filter(
language_code=form.get('language'))[0]
except:
pass
s = models.Session(device_id=device_id,
starttime=datetime.datetime.now(),
project=project,
language=l)
if form.has_key('client_type'):
s.client_type = form.get('client_type')
if form.has_key('client_system'):
s.client_system = form.get('client_system')
sharing_url = str.format(
"http://{0}/roundware/?operation=view_envelope&envelopeid=[id]",
hostname_without_port)
sharing_message = "none set"
out_of_range_message = "none set"
legal_agreement = "none set"
demo_stream_message = "none set"
try:
sharing_message = project.sharing_message_loc.filter(
language=l)[0].localized_string
except:
pass
try:
out_of_range_message = project.out_of_range_message_loc.filter(
language=l)[0].localized_string
except:
pass
try:
legal_agreement = project.legal_agreement_loc.filter(
language=l)[0].localized_string
except:
pass
try:
demo_stream_message = project.demo_stream_message_loc.filter(
language=l)[0].localized_string
except:
pass
cpu_idle = psutil.cpu_times_percent().idle
s.demo_stream_enabled = project.demo_stream_enabled or cpu_idle < float(
settings.config["demo_stream_cpu_limit"])
s.save()
session_id = s.id
response = [
{
"device": {
"device_id": device_id
}
},
{
"session": {
"session_id": session_id
}
},
{
"project": {
"project_id": project.id,
"project_name": project.name,
"audio_format": project.audio_format,
"max_recording_length": project.max_recording_length,
"recording_radius": project.recording_radius,
"sharing_message": sharing_message,
"out_of_range_message": out_of_range_message,
"sharing_url": project.sharing_url,
"listen_questions_dynamic": project.listen_questions_dynamic,
"speak_questions_dynamic": project.speak_questions_dynamic,
"listen_enabled": project.listen_enabled,
"geo_listen_enabled": project.geo_listen_enabled,
"speak_enabled": project.speak_enabled,
"geo_speak_enabled": project.geo_speak_enabled,
"reset_tag_defaults_on_startup":
project.reset_tag_defaults_on_startup,
"legal_agreement": legal_agreement,
"files_url": project.files_url,
"files_version": project.files_version,
"audio_stream_bitrate": project.audio_stream_bitrate,
# TODO: following attribute 'demo_stream_enabled' has be moved to the 'session' object
"demo_stream_enabled": s.demo_stream_enabled,
"demo_stream_url": project.demo_stream_url,
"demo_stream_message": demo_stream_message,
}
},
{
"server": {
"version": "2.0"
}
},
{
"speakers": [dict(d) for d in speakers]
},
{
"audiotracks": [dict(d) for d in audiotracks]
}
]
db.log_event('start_session', session_id, None)
return response
def move_listener (form): db.log_event(1, form) request = form_to_request(form) arg_hack = json.dumps(request) rounddbus.emit_stream_signal(int(form['sessionid']), "move_listener", arg_hack) return True
def add_asset_to_envelope(request):
#get asset_id from the GET request
asset_id = get_parameter_from_request(request, 'asset_id', False)
asset = None
#grab the Asset from the database, if an asset_id has been passed in
if asset_id:
try:
asset = models.Asset.objects.get(pk=asset_id)
except models.Asset.DoesNotExist:
raise roundexception.RoundException("Invalid Asset ID Provided. No Asset exists with ID %s" % asset_id)
envelope_id = get_parameter_from_request(request, 'envelope_id', True)
envelope = models.Envelope.objects.select_related('session').get(id=envelope_id)
session = envelope.session
db.log_event("start_upload", session.id, request.GET)
fileitem = request.FILES.get('file') if not asset else asset.file
#get mediatype from the GET request
mediatype = get_parameter_from_request(request, 'mediatype', False) if not asset else asset.mediatype
#if mediatype parameter not passed, set to 'audio'
#this ensures backwards compatibility
if mediatype is None:
mediatype = "audio"
if fileitem.name:
#copy the file to a unique name (current time and date)
logging.debug("Processing " + fileitem.name)
(filename_prefix, filename_extension) = \
os.path.splitext(fileitem.name)
fn = time.strftime("%Y%m%d-%H%M%S") + filename_extension
fileout = open(os.path.join(settings.config["upload_dir"], fn), 'wb')
fileout.write(fileitem.file.read())
fileout.close()
#delete the uploaded original after the copy has been made
if asset:
asset.file.delete()
# re-assign file to asset
asset.file.name = fn
asset.filename = fn
asset.save()
#make sure everything is in wav form only if mediatype is audio
if mediatype == "audio":
newfilename = convertaudio.convert_uploaded_file(fn)
else:
newfilename = fn
if newfilename:
#create the new asset if request comes in from a source other
#than the django admin interface
if not asset:
#get location data from request
latitude = get_parameter_from_request(request, 'latitude', False)
longitude = get_parameter_from_request(request, 'longitude', False)
#if no location data in request, default to project latitude and longitude
if not latitude:
latitude = session.project.latitude
if not longitude:
longitude = session.project.longitude
tagset = []
tags = get_parameter_from_request(request, 'tags', False)
if tags is not None:
ids = tags.split(',')
tagset = models.Tag.objects.filter(id__in=ids)
# get optional submitted parameter from request (Y, N or blank string are only acceptable values)
submitted = get_parameter_from_request(request, 'submitted', False)
# set submitted variable to proper boolean value if it is passed as parameter
if submitted == "N":
submitted = False
elif submitted == "Y":
submitted = True
# if blank string or not included as parameter, check if in range of project and if so
# set asset.submitted based on project.auto_submit boolean value
elif submitted is None or len(submitted) == 0:
submitted = False
if is_listener_in_range_of_stream(request.GET, session.project):
submitted = session.project.auto_submit
asset = models.Asset(latitude=latitude,
longitude=longitude,
filename=newfilename,
session=session,
submitted=submitted,
mediatype=mediatype,
volume=1.0,
language=session.language,
project = session.project)
asset.file.name = fn
asset.save()
for t in tagset:
asset.tags.add(t)
#if the request comes from the django admin interface
#update the Asset with the right information
else:
#update asset with session
asset.session = session
asset.filename = newfilename
#get the audiolength of the file only if mediatype is audio and update the Asset
if mediatype == "audio":
discover_audiolength.discover_and_set_audiolength(asset, newfilename)
asset.save()
envelope.assets.add(asset)
envelope.save()
else:
raise roundexception.RoundException("File not converted successfully: " + newfilename)
else:
raise roundexception.RoundException("No file in request")
rounddbus.emit_stream_signal(0, "refresh_recordings", "")
return {"success": True,
"asset_id": asset.id}
def heartbeat(request):
form = request.GET
rounddbus.emit_stream_signal(int(form['session_id']), "heartbeat", "")
db.log_event("heartbeat", int(form['session_id']), form)
return {"success": True}
def heartbeat (form): db.log_event(2, form) rounddbus.emit_stream_signal(int(form['sessionid']), "heartbeat", "") return True #FIXME: return false if it failed. don't always return true
def request_stream(request):
request_form = request.GET
try:
hostname_without_port = str(
settings.config["external_host_name_without_port"])
except KeyError:
raise roundexception.RoundException(
"Roundware configuration file is missing 'external_host_name_without_port' key. "
)
db.log_event("request_stream", int(request_form['session_id']),
request_form)
if not request_form.get('session_id'):
raise roundexception.RoundException("Must supply session_id.")
session = models.Session.objects.select_related('project').get(
id=request_form.get('session_id'))
project = session.project
if session.demo_stream_enabled:
msg = "demo_stream_message"
try:
msg = project.demo_stream_message_loc.filter(
language=session.language)[0].localized_string
except:
pass
if project.demo_stream_url:
url = project.demo_stream_url
else:
url = "http://" + hostname_without_port + ":" + \
str(settings.config["icecast_port"]) + \
"/demo_stream.mp3"
return {'stream_url': url, 'demo_stream_message': msg}
elif is_listener_in_range_of_stream(request_form, project):
command = [
'/usr/local/bin/streamscript', '--session_id',
str(session.id), '--project_id',
str(project.id)
]
for p in ['latitude', 'longitude', 'audio_format']:
if request_form.has_key(p) and request_form[p]:
command.extend(['--' + p, request_form[p].replace("\t", ",")])
if request_form.has_key('config'):
command.extend([
'--configfile',
os.path.join(settings.configdir, request_form['config'])
])
else:
command.extend(
['--configfile',
os.path.join(settings.configdir, 'rw')])
if request_form.has_key('audio_stream_bitrate'):
command.extend([
'--audio_stream_bitrate',
str(request_form['audio_stream_bitrate'])
])
audio_format = project.audio_format.upper()
apache_safe_daemon_subprocess(command)
wait_for_stream(session.id, audio_format)
return {
"stream_url": "http://" + hostname_without_port + ":" + \
str(settings.config["icecast_port"]) + \
icecast_mount_point(session.id, audio_format),
}
else:
msg = "This application is designed to be used in specific geographic locations. Apparently your phone thinks you are not at one of those locations, so you will hear a sample audio stream instead of the real deal. If you think your phone is incorrect, please restart Scapes and it will probably work. Thanks for checking it out!"
try:
msg = project.out_of_range_message_loc.filter(
language=session.language)[0].localized_string
except:
pass
if project.out_of_range_url:
url = project.out_of_range_url
else:
url = "http://" + hostname_without_port + ":" + \
str(settings.config["icecast_port"]) + \
"/outofrange.mp3"
return {'stream_url': url, 'user_message': msg}
def log_event (form):
if form.has_key('eventtypeid'):
eventtypeid = int(form['eventtypeid'])
return db.log_event(eventtypeid, form)
else:
raise roundexception.RoundException("An eventtypeid is required for the log_event operation")
def get_config(request):
form = request.GET
try:
hostname_without_port = str(settings.config["external_host_name_without_port"])
except KeyError:
raise roundexception.RoundException("Roundware configuration file is missing 'external_host_name_without_port' key. ")
#check params
if not form.has_key('project_id'):
raise roundexception.RoundException("a project_id is required for this operation")
project = models.Project.objects.get(id=form.get('project_id'))
speakers = models.Speaker.objects.filter(project=form.get('project_id')).values()
audiotracks = models.Audiotrack.objects.filter(project=form.get('project_id')).values()
if not form.has_key('device_id') or (form.has_key('device_id') and form['device_id'] == ""):
device_id = str(uuid.uuid4())
else:
device_id = form.get('device_id')
l = models.Language.objects.filter(language_code='en')[0]
if form.has_key('language') or (form.has_key('language') and form['language'] == ""):
try:
l = models.Language.objects.filter(language_code=form.get('language'))[0]
except:
pass
s = models.Session(device_id=device_id, starttime=datetime.datetime.now(), project=project, language=l)
if form.has_key('client_type'):
s.client_type = form.get('client_type')
if form.has_key('client_system'):
s.client_system = form.get('client_system')
sharing_url = str.format("http://{0}/roundware/?operation=view_envelope&envelopeid=[id]", hostname_without_port)
sharing_message = "none set"
out_of_range_message = "none set"
legal_agreement = "none set"
demo_stream_message = "none set"
try:
sharing_message = project.sharing_message_loc.filter(language=l)[0].localized_string
except:
pass
try:
out_of_range_message = project.out_of_range_message_loc.filter(language=l)[0].localized_string
except:
pass
try:
legal_agreement = project.legal_agreement_loc.filter(language=l)[0].localized_string
except:
pass
try:
demo_stream_message = project.demo_stream_message_loc.filter(language=l)[0].localized_string
except:
pass
cpu_idle = psutil.cpu_times_percent().idle
s.demo_stream_enabled = project.demo_stream_enabled or cpu_idle < float(settings.config["demo_stream_cpu_limit"])
s.save()
session_id = s.id
response = [
{"device":{"device_id": device_id}},
{"session":{"session_id": session_id}},
{"project":{
"project_id":project.id,
"project_name":project.name,
"audio_format":project.audio_format,
"max_recording_length":project.max_recording_length,
"recording_radius":project.recording_radius,
"sharing_message":sharing_message,
"out_of_range_message":out_of_range_message,
"sharing_url":project.sharing_url,
"listen_questions_dynamic":project.listen_questions_dynamic,
"speak_questions_dynamic":project.speak_questions_dynamic,
"listen_enabled":project.listen_enabled,
"geo_listen_enabled":project.geo_listen_enabled,
"speak_enabled":project.speak_enabled,
"geo_speak_enabled":project.geo_speak_enabled,
"reset_tag_defaults_on_startup":project.reset_tag_defaults_on_startup,
"legal_agreement":legal_agreement,
"files_url":project.files_url,
"files_version":project.files_version,
"audio_stream_bitrate":project.audio_stream_bitrate,
# TODO: following attribute 'demo_stream_enabled' has be moved to the 'session' object
"demo_stream_enabled":s.demo_stream_enabled,
"demo_stream_url":project.demo_stream_url,
"demo_stream_message":demo_stream_message,
}},
{"server":{
"version": "2.0"}},
{"speakers":[dict(d) for d in speakers]},
{"audiotracks":[dict(d) for d in audiotracks]}
]
db.log_event('start_session', session_id, None)
return response
