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#!/usr/bin/env python
# -*- coding: utf8 -*-
def generate_SMPTE_CPL():
import subprocess, time
try:
from lxml import etree
print("running with lxml.etree")
except ImportError:
try:
# Python 2.5
import xml.etree.cElementTree as etree
print("running with cElementTree on Python 2.5+")
except ImportError:
try:
# Python 2.5
import xml.etree.ElementTree as etree
print("running with ElementTree on Python 2.5+")
except ImportError:
try:
# normal cElementTree install
import cElementTree as etree
print("running with cElementTree")
except ImportError:
try:
# normal ElementTree install
import elementtree.ElementTree as etree
print("running with ElementTree")
except ImportError:
print("Failed to import ElementTree from any known place")
CREATOR = 'DraxIT mkdcp 0.1'
ISSUEDATE = time.strftime('%FT%T%z')
ISSUER = ''
def asdcp_genuuid():
return subprocess.Popen(['asdcp-test', '-u'], stdout=subprocess.PIPE).stdout.read().strip()
def asdcp_digest(filename):
digest, file = subprocess.Popen(['asdcp-test', '-t', filename], stdout=subprocess.PIPE).stdout.read().strip().split(' ')
return digest
class Asset:
def __init__(self):
self.UUID = asdcp_genuuid()
def yield_cpl_SMPTE(self, head_element)
etree.SubElement(_asset, 'Id' ).text = 'urn:uuid:' + asset.UUID
etree.SubElement(_asset, 'AnnotationText' ).text = escape(asset.annotation.encode('ascii', 'xmlcharrefreplace'))
etree.SubElement(_asset, 'Hash' ).text = asset.digest
etree.SubElement(_asset, 'EditRate' ).text = asset.editrate
etree.SubElement(_asset, 'EntryPoint' ).text = asset.entrypoint
etree.SubElement(_asset, 'IntrinsicDuration' ).text = asset.intrisicduration
etree.SubElement(_asset, 'Duration' ).text = asset.duration
class CompositionPlayList(Asset):
def __init__(self, title, kind, reellist=None, rating=None):
self.UUID = asdcp_genuuid()
if reellist:
self.reellist = reellist
else:
self.reellist = []
self.rating = rating
def AddReel(self, reel):
self.reellists.append(reel)
def yield_SMPTE(reellist):
from xml.sax.saxutils import escape
title = escape(self.title.encode('ascii', 'xmlcharrefreplace'))
# CPL head
cpl = etree.Element('{http://www.smpte-ra.org/schemas/429-7/2006/CPL}CompositionPlaylist')
etree.SubElement(cpl, 'Id' ).text = 'urn:uuid:' + self.UUID
etree.SubElement(cpl, 'IssueDate' ).text = ISSUEDATE
etree.SubElement(cpl, 'Issuer' ).text = ISSUER
etree.SubElement(cpl, 'Creator' ).text = CREATOR
etree.SubElement(cpl, 'ContentTitleText' ).text = title
etree.SubElement(cpl, 'ContentKind' ).text = self.kind
contentversion = etree.SubElement(cpl, 'ContentVersion')
etree.SubElement(contentversion, 'Id' ).text = 'urn:uri:' + title.replace(' ','-') + '_' + ISSUEDATE
etree.SubElement(contentversion, 'LabelText' ).text = title
etree.SubElement(cpl, 'RatingList')
# Reels
_reellist = etree.SubElement(cpl, 'ReelList')
for reel in reellist:
_reel = etree.SubElement(_reellist, 'Reel')
etree.SubElement(_reel, 'Id').text = 'urn:uuid:' + reel.UUID
_assetlist = etree.SubElement(_reel, 'AssetList')
for asset in reel.assetlist:
asset.cpl_SMPTE(_reel)
if isinstance(asset, PictureTrack):
if isinstance(asset, StereoscopicPictureTrack):
_asset = etree.SubElement(_assetlist, '{http://www.smpte-ra.org/schemas/429-10/2008/Main-Stereo-Picture-CPL}MainStereoscopicPicture', nsmap={'msp-cpl': 'http://www.smpte-ra.org/schemas/429-10/2008/Main-Stereo-Picture-CPL'} )
if isinstance(asset, SoundTrack):
_asset = etree.SubElement(_assetlist, 'MainSound')
return etree.tostring(cpl, encoding="UTF-8")
class PackingList(Asset):
class Track(Asset):
pass
class SoundTrack(Track):
def yield_cpl_SMPTE(self, head_element):
_asset = etree.SubElement(head_element, 'MainSound')
super().yield_cpl_SMPTE(_asset)
class PictureTrack(Track):
def yield_cpl_SMPTE(self, head_element):
_asset = etree.SubElement(head_element, 'MainPicture')
super().yield_cpl_SMPTE(_asset)
class Reel:
def __init__(self):
self.UUID=asdcp_genuid()
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