First commit for front pages. View, templates, and css img added.
from django.conf import settings
from django.contrib.auth.models import User, Group
from django.db import models
from django.utils.translation import ugettext_lazy as _
#from ldt.core.models import Document, Owner
from ldt.core.models import Document
from guardian.shortcuts import assign, remove_perm, get_perms
import ldt.indexation
from ldt.security.models import SafeModel
from ldt.security.manager import SafeManager
from sorl.thumbnail import ImageField
from utils import (create_ldt, copy_ldt, create_empty_iri, update_iri,
generate_uuid)
import lucene
import lxml.etree
import mimetypes
import os.path
import tagging.fields
import uuid
class Author(SafeModel):
handle = models.CharField(max_length=512, unique=True, blank=True, null=True)
email = models.EmailField(unique=False, blank=True, null=True)
firstname = models.CharField(max_length=512, blank=True, null=True)
lastname = models.CharField(max_length=512, blank=True, null=True)
def __unicode__(self):
return unicode(self.id) + " - " + self.handle + ", " + self.email + ", " + self.firstname + " " + self.lastname
class Meta:
permissions = (
('view_author', 'Can view author'),
)
class Media(SafeModel):
external_id = models.CharField(max_length=1024, null=True, blank=True, verbose_name=_('media.external_id'))
external_permalink = models.URLField(max_length=1024, verify_exists=False, null=True, blank=True, verbose_name=_('media.external_permalink'))
external_publication_url = models.URLField(max_length=1024, verify_exists=True, null=True, blank=True, verbose_name=_('media.external_publication_url'))
external_src_url = models.CharField(max_length=1024, null=True, blank=True, verbose_name=_('media.external_src_url'))
creation_date = models.DateTimeField(auto_now_add=True, verbose_name=_('media.creation_date'))
media_creation_date = models.DateTimeField(null=True, blank=True, verbose_name=_('media.media_creation_date'))
update_date = models.DateTimeField(auto_now=True, verbose_name=_('media.update_date'))
videopath = models.CharField(max_length=1024, null=True, blank=True, verbose_name=_('media.videopath'))
duration = models.IntegerField(null=True, blank=True, verbose_name=_('media.duration'))
creator = models.ForeignKey(User, blank=True, null=True, verbose_name=_('media.creator'))
description = models.TextField(null=True, blank=True, verbose_name=_('description'))
title = models.CharField(max_length=1024, null=True, blank=True, verbose_name=_('title'))
src = models.CharField(max_length=1024, unique=True, verbose_name=_('media.src'))
mimetype_field = models.CharField(max_length=512, null=True, blank=True, verbose_name=_('media.mimetype'))
class Meta:
permissions = (
('view_media', 'Can view media'),
)
def mimetype(): #@NoSelf
def fget(self):
if self.mimetype_field :
return self.mimetype_field
elif self.src:
return mimetypes.guess_type(self.src.rstrip())[0]
else:
return None
def fset(self, value):
self.mimetype_field = value
return locals()
mimetype = property(**mimetype())
def stream_src(): #@NoSelf
def fget(self):
res_src = self.src.rstrip()
if self.videopath and self.videopath.startswith("rtmp://") and "mp3:" not in res_src and "mp4:" not in res_src:
extension = res_src.split(".")[-1]
res_src = {
'flv': lambda s: s,
'mp3': lambda s: "%s:%s" % ("mp3", res_src[:-4]),
'mp4': lambda s: "%s:%s" % ("mp4", res_src),
'f4v': lambda s: "%s:%s" % ("mp4", res_src),
'mov': lambda s: "%s:%s" % ("mp4", res_src),
}.get(extension, lambda s:s)(res_src)
return res_src
return locals()
stream_src = property(**stream_src())
def save(self, *args, **kwargs):
super(Media, self).save(*args, **kwargs)
for content in self.content_set.all():
content.sync_iri_file()
def __unicode__(self):
strings = []
if self.title:
strings.append(unicode(self.title))
else:
strings.append(unicode(self.src))
if self.external_id:
strings.append(unicode(self.external_id))
return "|".join(strings)
class ContentManager(SafeManager):
def __init__(self):
super(ContentManager, self).__init__(check_perm=False)
def get_by_natural_key(self, iri_id):
return self.get(iri_id=iri_id)
class Content(SafeModel):
objects = ContentManager()
iri_id = models.CharField(max_length=1024, unique=True, default=generate_uuid, verbose_name=_('content.iri_id'))
iriurl = models.CharField(max_length=1024, verbose_name=_('content.iriurl'))
creation_date = models.DateTimeField(auto_now_add=True, verbose_name=_('content.creation_date'))
update_date = models.DateTimeField(auto_now=True, verbose_name=_('content.update_date'))
title = models.CharField(max_length=1024, null=True, blank=True, verbose_name=_('content.title'))
description = models.TextField(null=True, blank=True, verbose_name=_('content.description'))
authors = models.ManyToManyField(Author, blank=True, verbose_name=_('content.authors'))
duration = models.IntegerField(null=True, blank=True, verbose_name=_('content.duration'))
content_creation_date = models.DateTimeField(null=True, blank=True, verbose_name=_('content.content_creation_date'))
tags = tagging.fields.TagField(max_length=2048, null=True, blank=True)
media_obj = models.ForeignKey('Media', blank=True, null=True)
image = ImageField(upload_to=settings.MEDIA_ROOT+"thumbnails/contents/", default=settings.DEFAULT_CONTENT_ICON)
class Meta:
ordering = ["title"]
permissions = (
('view_content', 'Can view content'),
)
def natural_key(self):
return self.iri_id
# added for import
def get_by_natural_key(self, iri_id):
return self.get(iri_id=iri_id)
def get_duration(self):
if self.duration is None:
doc = lxml.etree.parse(self.iri_file_path())
res = doc.xpath("/iri/body/medias/media[@id='video']/video")
if len(res) > 0:
try:
self.duration = int(res[0].get(u'dur', 0) or 0)
except:
self.duration = 0
else:
self.duration = 0
self.save()
return self.duration
def duration_str(self):
if self.duration is None:
return "?"
# We take off the milliseconds
sec = self.duration//1000
if sec < 60 :
return str(dur) + "s"
hours = sec//3600
min = (sec - (hours * 3600))//60
if min<10:
min_str = "0" + str(min)
else:
min_str = str(min)
return str(hours) + "h" + min_str
def mimetype(): #@NoSelf
def fget(self):
if self.media_obj:
return self.media_obj.mimetype
else:
return None
return locals()
mimetype = property(**mimetype())
def delete(self):
super(Content, self).delete()
writer = ldt.indexation.get_writer()
try:
writer.deleteDocuments(lucene.Term("iri_id", self.iri_id))
writer.commit()
finally:
writer.close()
def sync_iri_file(self):
# create iri file if needed
created = False
try:
iri_file_path = self.iri_file_path()
if not os.path.exists(iri_file_path):
dir = os.path.dirname(iri_file_path)
if not os.path.exists(dir):
os.makedirs(dir)
created = True
file = open(iri_file_path, "w")
create_empty_iri(file, self, "IRI")
else:
created = False
update_iri(iri_file_path, self, "IRI")
except Exception, e:
if created:
if os.path.exists(iri_file_path):
os.remove(iri_file_path)
raise e
#TODO: better manage the change in .iri name and error scenario (save in temp file + rename
def save(self, *args, **kwargs):
self.sync_iri_file()
# update it
super(Content, self).save(*args, **kwargs)
def __unicode__(self):
return str(self.id) + ": " + self.iri_id
def iri_url(self, web_url=settings.WEB_URL):
if 'http' in self.iriurl or 'https' in self.iriurl:
return self.iriurl
else:
return unicode(web_url) + unicode(settings.MEDIA_URL) + u"ldt/" + unicode(self.iriurl)
def iri_file_path(self):
return os.path.join(os.path.join(os.path.join(settings.MEDIA_ROOT, "ldt"), self.iri_id), os.path.basename(self.iriurl))
def iri_url_template(self):
return "${web_url}${media_url}ldt/" + unicode(self.iri_id) + "/" + os.path.basename(self.iriurl)
def __get_empty_media(self):
if settings.EMPTY_MEDIA_EXTERNALID:
empty_media = Media.objects.get(external_id=settings.EMPTY_MEDIA_EXTERNALID)
return empty_media
else:
return None
def stream_src(): #@NoSelf
def fget(self):
if self.media_obj is not None:
return self.media_obj.stream_src
else:
empty_media = self.__get_empty_media()
if empty_media:
return empty_media.stream_src
else:
return ""
return locals()
stream_src = property(**stream_src())
def videopath(): #@NoSelf
doc = """simulate videopath""" #@UnusedVariable
def fget(self):
if self.media_obj is None:
empty_media = self.__get_empty_media()
if empty_media:
return empty_media.videopath
else:
return None
else:
return self.media_obj.videopath
def fset(self, value):
if self.media_obj is not None:
self.media_obj.videopath = value
return locals()
videopath = property(**videopath())
def src(): #@NoSelf
doc = """simulate videopath""" #@UnusedVariable
def fget(self):
if self.media_obj is None:
empty_media = self.__get_empty_media()
if empty_media:
return empty_media.src
else:
return None
else:
return self.media_obj.src
def fset(self, value):
if self.media_obj is None or self.media_obj.src != value:
media, created = Media.objects.get_or_create(src=value, defaults={'src':value}) #@UnusedVariable
self.media_obj = media
self.save()
return locals()
src = property(**src())
def external_id(): #@NoSelf
doc = """simulate externalid""" #@UnusedVariable
def fget(self):
if self.media_obj is None:
empty_media = self.__get_empty_media()
if empty_media:
return empty_media.external_id
else:
return None
else:
return self.media_obj.external_id
def fset(self, value):
if self.media_obj is not None:
self.media_obj.external_id = value
return locals()
external_id = property(**external_id())
def is_public(): #@NoSelf
def fget(self):
if self.pk:
everyone = Group.objects.get(name=settings.PUBLIC_GROUP_NAME)
if 'view_content' in get_perms(everyone, self):
return True
return False
def fset(self, value):
if self.pk:
everyone = Group.objects.get(name=settings.PUBLIC_GROUP_NAME)
if value:
assign('view_content', everyone, self)
assign('view_media', everyone, self.media_obj)
else:
remove_perm('view_content', everyone, self)
remove_perm('vew_media', everyone, self.media_obj)
return locals()
is_public = property(**is_public())
class Project(Document, SafeModel):
STATE_CHOICES = (
(1, 'edition'),
(2, 'published'),
(3, 'moderated'),
(4, 'rejected'),
(5, 'deleted')
)
ldt_id = models.CharField(max_length=1024, unique=True)
ldt = models.TextField(null=True)
title = models.CharField(max_length=1024)
contents = models.ManyToManyField(Content)
creation_date = models.DateTimeField(auto_now_add=True)
modification_date = models.DateTimeField(auto_now=True)
created_by = models.CharField(_("created by"), max_length=70)
changed_by = models.CharField(_("changed by"), max_length=70)
state = models.IntegerField(choices=STATE_CHOICES, default=1)
description = models.TextField(null=True, blank=True)
image = ImageField(upload_to=settings.MEDIA_ROOT+"thumbnails/projects/", default=settings.DEFAULT_PROJECT_ICON)
class Meta:
ordering = ["title"]
permissions = (
('view_project', 'Can view project'),
)
def __unicode__(self):
return unicode(self.id) + u"::" + unicode(self.ldt_id) + u"::" + unicode(self.title)
def get_description(self, doc=None):
if doc is None:
doc = lxml.etree.fromstring(self.ldt)
res = doc.xpath("/iri/project")
if len(res) > 0:
return res[0].get(u'abstract')
else:
return None
def stream_mode(): #@NoSelf
def fget(self):
modes = []
for content in self.contents.all():
mimetype = content.mimetype
if mimetype:
mode = mimetype.split("/")[0]
if "audio" == mode or "video" == mode:
modes.append(mode)
else:
modes.append("video")
else:
modes.append("video")
def filter_video(current, item):
if not current:
return item
elif current == item:
return item
else:
return "video"
return reduce(filter_video, modes)
return locals()
stream_mode = property(**stream_mode())
@staticmethod
def create_project(user, title, contents, description='', groups=[], set_icon=True):
# owner = Owner.objects.get(user=user) #@UndefinedVariable
owner = user
project = Project(title=title, owner=owner, description=description)
project.ldt_id = str(uuid.uuid1()) #@UndefinedVariable
project.created_by = user.username
project.changed_by = user.username
project.state = 1
project.save()
assign('view_project', user, project)
assign('change_project', user, project)
for content in contents:
project.contents.add(content)
if set_icon:
project.set_icon()
project.save()
return create_ldt(project, user)
def copy_project(self, user, title, description='', group=None):
project = Project(title=title, owner=user, description=description)
project = copy_ldt(self, project, user)
assign('view_project', user, project)
assign('change_project', user, project)
if group:
assign('view_project', group, project)
for content in self.contents.all():
project.contents.add(content)
return project
def publish(self):
if not self.pk:
self.save()
self.state = 2
everyone = Group.objects.get(name=settings.PUBLIC_GROUP_NAME)
assign('ldt_utils.view_project', everyone, self)
self.save()
def unpublish(self):
if not self.pk():
self.save()
self.state = 1
everyone = Group.objects.get(name=settings.PUBLIC_GROUP_NAME)
remove_perm('ldt_utils.view_project', everyone, self)
self.save()
def set_icon(self):
default_image = os.path.basename(settings.DEFAULT_CONTENT_ICON)
for content in self.contents.all():
if os.path.basename(content.image.file.name) != default_image:
self.image = content.image
return True
self.image = settings.DEFAULT_PROJECT_ICON
return False
def check_access(self, user):
if (user and user.is_staff) or self.state == 2:
return True
else:
return False
class Segment(SafeModel):
project_obj = models.ForeignKey(Project, null=True)
content = models.ForeignKey(Content)
project_id = models.CharField(max_length=1024, unique=False, blank=True, null=True)
iri_id = models.CharField(max_length=1024, unique=False)
ensemble_id = models.CharField(max_length=1024, unique=False)
cutting_id = models.CharField(max_length=1024, unique=False)
element_id = models.CharField(max_length=1024, unique=False)
tags = tagging.fields.TagField(max_length=2048, null=True, blank=True, unique=False)
title = models.CharField(max_length=2048, unique=False, null=True, blank=True)
duration = models.IntegerField(null=True)
start_ts = models.IntegerField(null=True)
author = models.CharField(max_length=1024, unique=False, null=True, blank=True)
date = models.CharField(max_length=128, unique=False, null=True, blank=True)
abstract = models.TextField(null=True, blank=True)
def __unicode__(self):
return "/".join((unicode(self.project_id), unicode(self.iri_id), unicode(self.ensemble_id), unicode(self.cutting_id), unicode(self.element_id)))
class Meta:
unique_together = (('project_id', 'iri_id', 'ensemble_id', 'cutting_id', 'element_id'),)
permissions = (
('view_segment', 'Can view segment'),
)