'''
List flv and f4v medias, replace them with mp4 urls and update the content and projects.
'''
import csv
import logging
import re
from itertools import chain
import requests
from django.conf import settings
from django.contrib.sites.models import Site
from django.core.management.base import BaseCommand
from django.core import management
from lxml import etree
from ldt.ldt_utils import models
#this function replace bad suffixs and prefixs of some media URL
#by a new one, beginning with "http" and ending with ".mp4"
def tohttps(source, vidpath, tomp4=1):
'''
to https
'''
if source[len(source)-3:len(source)] == 'MP4' or source[len(source)-3:len(source)] == 'mp4'\
or not re.match(r".*\..{3}$", source):
tomp4 = 0
if tomp4 == 1:
source = source[0:len(source)-3]+"mp4"
if source[0:5] == "https":
return source
elif source[0:4] == "http" or source[0:4] == "sftp":
return "https"+source[4:len(source)]
elif source[0:7] == "/video/":
return "https://media.iri.centrepompidou.fr"+source
elif source[0:6] == "video/" or source[0:6] == "audio/":
return "https://media.iri.centrepompidou.fr/"+source
elif vidpath == 'rtmp://media.iri.centrepompidou.fr/ddc_player/video/regardssignes/' or \
vidpath == 'rtmp://media.iri.centrepompidou.fr/ddc_player/mp4:video/regardssignes/':
return "https://media.iri.centrepompidou.fr/video/regardssignes/"+source
elif source[0:4] == "mp4:":
if vidpath == 'rtmp://media.iri.centrepompidou.fr/ddc_player/':
if re.match(r".*\..{3}$", source):
return "https://media.iri.centrepompidou.fr/" + source[4:]
return "https://media.iri.centrepompidou.fr/" + source[4:] + ".mp4"
return "https://media.iri.centrepompidou.fr/video/ldtplatform/"+source
def numberofcontents(source): #this counts the number of contents linked to a media
'''
numberofcontents
'''
return len(models.Content.objects.filter(media_obj_id=source.id))
def numberofproject(source):
'''
numberofproject
'''
if numberofcontents(source) > 0:
return len(models.Project.objects.filter\
(content=models.Content.objects.filter(media_obj_id=source.id)[0]))
return 0
def constructytembed(source):
'''
construct youtube video oembed link
'''
if re.match(r".*feature=player_embedded.+", source) != None:
return "http://www.youtube.com/oembed?url=http://youtube.com/watch?v="\
+ source[len(source)-11:] +"&format=json"
return "http://www.youtube.com/oembed?url=" + source + "&format=json"
class Command(BaseCommand):
'''
Command class
'''
help = 'delete medias without contents, replace media\'s source by a new URL'
base_url = Site.objects.get_current().domain + settings.BASE_URL
parser = etree.XMLParser(encoding='utf-8')
logger = logging.getLogger(__name__)
csvfile = open('mediaInformations.csv', 'wb')
mycsvfile = csv.writer(csvfile)
def constructldtembed(self, ldtid):
'''
construct ldt embed
'''
return "http://{base_url}ldtplatform/ldt/embed/v3/config?json_url=" \
"http://{base_url}ldtplatform/ldt/cljson/id/{ldt_id}&" \
"player_id=player_project_{ldt_id}&" \
"ldt_id={ldt_id}".format(base_url=Command.base_url, ldt_id=ldtid)
def cleanmediaproject(self, element, force, newsrc=None):
'''
change media objects' videopath and source if necessary
change project .ldt
'''
basesrc = element.src
if force:
element.videopath = ''
element.save()
if newsrc != None:
if force:
element.src = newsrc
element.save()
Command.mycsvfile.writerow([
"Media",
basesrc,
"Yes",
"changing source/videopath",
newsrc, "\'\'"
])
if numberofproject(element) == 0:
Command.mycsvfile.writerow([
"Project",
element.src,
"Yes",
"initializing object(no project)"
])
if force:
mycontentid = models.Content.objects.filter(media_obj_id=element.id)[0].iri_id
try:
management.call_command('initfrontproject', mycontentid)
except Exception:
Command.mycsvfile.writerow([
"Project",
element.src,
"No",
"socket error"
])
return
self.stdout.write(" Initializing project", ending='')
else:
self.stdout.write(" Project has to be initialized ", ending='')
return
ldtproj = models.Project.objects.filter\
(content=models.Content.objects.filter(media_obj_id=element.id)[0])
for singleproject in ldtproj:
root = etree.XML(singleproject.ldt.encode('utf-8'), Command.parser)
if root.xpath('medias/media') == []:
self.stdout.write(" le .ldt ne contient pas de media", ending='')
continue
if root.xpath('medias/media')[0].get("video") != '':
embedurl = self.constructldtembed(singleproject.ldt_id)
if force:
root.xpath('medias/media')[0].set("video", '')
self.stdout.write(" changing videopath arg in .ldt ")
Command.mycsvfile.writerow([
"Project",
embedurl,
"Yes",
"changing .ldt /medias/media/video",
"\'\'"
])
singleproject.ldt = etree.tostring(root)
singleproject.save()
Command.logger.info("%s DONE\n", embedurl)
element.save()
def add_arguments(self, parser):
'''
add arguments
'''
parser.add_argument('-f', action='store_true')
def handle(self, *args, **options):
'''
handle
'''
Command.mycsvfile.writerow([
"Object type",
"which object",
"Change ?",
"What(if Y)/Why (if N)",
"How"
])
force = bool(options['f'])
j = 0
files1 = models.Media.objects.all() #this list contains every media
for elem1 in files1:
if numberofcontents(elem1) == 0:
if force:
elem1.delete() #if there is no content
#linked to the media, the media is removed for the database
self.stdout.write(" No content found, media has been removed")
else:
self.stdout.write(" No content found, media will be removed")
Command.mycsvfile.writerow([
"Media",
elem1.src,
"Yes",
"deleting object (no content)"
])
j += 1
continue
if elem1.src.lower() == tohttps(elem1.src, elem1.videopath).lower():
self.cleanmediaproject(elem1, force)
if re.match(r".*\.youtube\.com.*", elem1.src) != None\
or re.match(r".*youtu\.be.+", elem1.src) != None:
myembed = constructytembed(elem1.src)
if requests.get(myembed).status_code == 404:
self.stdout.write("%s : Video doesn't exists"% elem1.src)
if numberofproject(elem1) > 0:
ldtproj = models.Project.objects.get(id=models.Content.objects.filter\
(media_obj_id=elem1.id)[0].front_project_id).ldt
root = etree.XML(ldtproj.encode('utf-8'), Command.parser)
if root.xpath('annotations/content/ensemble/decoupage/elements/element')\
== []:
if force:
elem1.delete()
self.stdout.write("video doesn't exist anymore : media deleted")
Command.mycsvfile.writerow([
"Media/Content/Project",
elem1.src,
"Yes",
"deleting(Video doesn't exist anymore + empty projects)"
])
j += 1
else:
self.cleanmediaproject(elem1,force)
if force:
self.stdout.write("%s files deleted"%j)
else:
self.stdout.write("%s files to delete"%j)
i = 0
files = list(chain(
models.Media.objects.filter(src__iregex=r".*.flv$"),
models.Media.objects.filter(src__iregex=r".*.f4v$"),
models.Media.objects.filter(src__iregex=r".*.m4v$"),
models.Media.objects.filter(src__iregex=r".*.mp4$").exclude(src__iregex=r"^https://.*"),
models.Media.objects.filter(src__iregex=r"^mp4:.*").exclude(src__iregex=r".*\..{3}$")
))
for elem in files:
self.stdout.write(" \n%s/%s files done"%(i+1, len(files)), ending='')
i += 1
if numberofcontents(elem) == 0:
continue
mysrc = elem.src
newsource = tohttps(elem.src, elem.videopath)
try:
res = requests.head(newsource, timeout=10).status_code
except requests.ConnectionError:
self.stdout.write(" connection error", ending='')
Command.logger.error("CONNECTION ERROR FOR %s", elem.title)
try:
res = requests.head(elem, timeout=10).status_code
except requests.ConnectionError:
Command.mycsvfile.writerow([
"Media",
mysrc,
"No",
"connection error",
newsource
])
continue
except (requests.exceptions.MissingSchema, requests.exceptions.InvalidSchema):
Command.mycsvfile.writerow([
"Media",
mysrc,
"No",
"missing schema on base source!",
newsource
])
continue
except requests.exceptions.Timeout:
Command.mycsvfile.writerow([
"Media",
mysrc,
"No",
"TIMEOUT!",
newsource
])
continue
else:
Command.mycsvfile.writerow([
"Media",
mysrc,
"No",
"use source link : website doesn't work with https",
newsource
])
continue
except (requests.exceptions.MissingSchema, requests.exceptions.InvalidSchema):
self.stdout.write(" Missing schema !", ending='')
Command.logger.warning("MISSING SCHEMA FOR %s", elem.title)
Command.mycsvfile.writerow([
"Media",
mysrc,
"No",
"missing schema!",
newsource
])
continue
except requests.exceptions.Timeout:
self.stdout.write(" Timeout !", ending='')
Command.logger.warning("Timeout FOR %s", elem.title)
Command.mycsvfile.writerow([
"Media",
mysrc,
"No",
"TIMEOUT!",
newsource
])
continue
if res > 400:
try:
ressrc = requests.head(tohttps(elem.src, elem.videopath, 0),\
timeout=10).status_code
except (requests.exceptions.Timeout, requests.ConnectionError):
self.stdout.write(" can't access source/new files", ending='')
Command.logger.warning("can't access %s", elem.title)
res = "connection error"
Command.mycsvfile.writerow([
"Media",
mysrc,
"No",
"website doesn't exist anymore",
newsource
])
continue
if ressrc == 404:
self.stdout.write(" can't access source/new files", ending='')
Command.logger.warning("can't access %s", elem.title)
Command.mycsvfile.writerow([
"Media",
mysrc,
"No",
"can't access source/new files",
newsource
])
elif ressrc == 200:
self.stdout.write(
" file not transcoded yet :"
"keep source extension or wait transcoding to be done",
ending='')
Command.logger.warning("%s not transcoded yet", elem.title)
Command.mycsvfile.writerow([
"Media",
mysrc,
"No",
"file not transcoded yet : keep source extension",
newsource
])
continue
self.stdout.write(" It works", ending='')
alreadyin = False
for everyelem in models.Media.objects.all():
if newsource == everyelem.src:
alreadyin = True
break
if alreadyin:
self.stdout.write(" element already in table", ending='')
Command.logger.warning("%s already in table", elem.title)
Command.mycsvfile.writerow([
"Media",
newsource,
"No",
"new source already in table"
])
continue
self.cleanmediaproject(elem, force, newsource)
Command.csvfile.close()