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#!/usr/bin/env python
# -*- coding: utf8 -*-
import subprocess, time, os, os.path
from xml.sax.saxutils import escape
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
def dcp_digest(string):
import hashlib, base64
sha1 = hashlib.sha1()
sha1.update(string)
return base64.b64encode(sha1.digest())
def asdcp_readheader(filename):
asdcp = subprocess.Popen(['asdcp-test', '-H', '-i', filename], stdout=subprocess.PIPE)
asdcp_output = asdcp.stdout.readlines()
asdcp.wait()
if asdcp.returncode != 0: # asdcp-test failed - maybe MXF Interop stereoscopic picture
asdcp = subprocess.Popen(['asdcp-test', '-3', '-H', '-i', filename], stdout=subprocess.PIPE)
asdcp_output = asdcp.stdout.readlines()
asdcp.wait()
if asdcp.returncode != 0: # asdcp-test failed again
return None
attr_dict = dict()
for field in [attr.strip().split(': ') for attr in asdcp_output if True in [
e in attr for e in [
'StoredWidth:',
'StoredHeight:',
'EditRate:',
'SampleRate:',
'AudioSamplingRate:',
'AspectRatio:',
'Duration:',
'AssetUUID:',
'Label Set Type:',
'audio',
'pictures' ]
]
]:
if len(field) == 2:
attr_dict[field[0]] = field[1]
else:
attr_dict['type'] = field[0]
UUID = attr_dict['AssetUUID']
if 'audio' in attr_dict['type']:
asset = SoundTrack()
asset.targetfilename = UUID + '_pcm.mxf'
if 'pictures' in attr_dict['type']:
asset = PictureTrack(stereoscopic = 'stereoscopic' in attr_dict['type'])
asset.targetfilename = UUID + '_j2c.mxf'
asset.framerate = tuple(map(int,attr_dict['SampleRate'].split('/')))
asset.width = int(attr_dict['StoredWidth'])
asset.height = int(attr_dict['StoredHeight'])
asset.aspectratio = tuple(map(int, attr_dict['AspectRatio'].split('/')))
asset.UUID = UUID
asset.editrate = tuple(map(int,attr_dict['EditRate'].split('/')))
asset.duration = int(attr_dict['ContainerDuration']) ; asset.intrinsicduration = asset.duration
asset.annotation = "Source file: '" + os.path.basename(filename) + "'"
asset.originalfilename = filename
asset.size = os.stat(filename).st_size
asset.digest = asdcp_digest(filename)
return asset
class Asset(object):
def __init__(self):
self.UUID = asdcp_genuuid()
self.digest = ''
self.size = 0
def yield_pkl_SMPTE(self, head_element):
etree.SubElement(head_element, 'Id' ).text = 'urn:uuid:' + self.UUID
etree.SubElement(head_element, 'AnnotationText' ).text = escape(self.annotation.encode('ascii', 'xmlcharrefreplace'))
etree.SubElement(head_element, 'Hash' ).text = self.digest
etree.SubElement(head_element, 'Size' ).text = '%d' % (self.size,)
etree.SubElement(head_element, 'OriginalFilename' ).text = self.targetfilename # the PKL original filename is our target filename!
def yield_pkl_Interop(self, head_element):
etree.SubElement(head_element, 'Id' ).text = 'urn:uuid:' + self.UUID
etree.SubElement(head_element, 'AnnotationText' ).text = escape(self.annotation.encode('ascii', 'xmlcharrefreplace'))
etree.SubElement(head_element, 'Hash' ).text = self.digest
etree.SubElement(head_element, 'Size' ).text = '%d' % (self.size,)
etree.SubElement(head_element, 'OriginalFilename' ).text = self.targetfilename # the PKL original filename is our target filename!
def yield_am_SMPTE(self, head_element):
_asset = etree.SubElement(head_element, 'Asset')
etree.SubElement(_asset, 'Id').text = 'urn:uuid:' + self.UUID
self.yield_ChunkList_SMPTE(_asset)
def yield_ChunkList_SMPTE(self, head_element):
_chunklist = etree.SubElement(head_element, 'ChunkList')
_chunk = etree.SubElement(_chunklist, 'Chunk')
etree.SubElement(_chunk, 'Path').text = self.targetfilename
etree.SubElement(_chunk, 'VolumeIndex').text = '1'
etree.SubElement(_chunk, 'Offset').text = '0'
etree.SubElement(_chunk, 'Length').text = '%d' % (self.size,)
def yield_am_Interop(self, head_element):
_asset = etree.SubElement(head_element, 'Asset')
etree.SubElement(_asset, 'Id').text = 'urn:uuid:' + self.UUID
self.yield_ChunkList_Interop(_asset)
def yield_ChunkList_Interop(self, head_element):
_chunklist = etree.SubElement(head_element, 'ChunkList')
_chunk = etree.SubElement(_chunklist, 'Chunk')
etree.SubElement(_chunk, 'Path').text = self.targetfilename
class Track(Asset):
def __init__(self):
super(Track, self).__init__()
self.entrypoint = 0
def yield_cpl_SMPTE(self, head_element):
etree.SubElement(head_element, 'Id' ).text = 'urn:uuid:' + self.UUID
etree.SubElement(head_element, 'AnnotationText' ).text = escape(self.annotation.encode('ascii', 'xmlcharrefreplace'))
etree.SubElement(head_element, 'Hash' ).text = self.digest
etree.SubElement(head_element, 'EditRate' ).text = '%d %d' % self.editrate
etree.SubElement(head_element, 'EntryPoint' ).text = '%d' % (self.entrypoint,)
etree.SubElement(head_element, 'IntrinsicDuration' ).text = '%d' % (self.intrinsicduration,)
etree.SubElement(head_element, 'Duration' ).text = '%d' % (self.duration,)
def yield_cpl_Interop(self, head_element):
etree.SubElement(head_element, 'Id' ).text = 'urn:uuid:' + self.UUID
etree.SubElement(head_element, 'AnnotationText' ).text = escape(self.annotation.encode('ascii', 'xmlcharrefreplace'))
etree.SubElement(head_element, 'Hash' ).text = self.digest
etree.SubElement(head_element, 'EditRate' ).text = '%d %d' % self.editrate
etree.SubElement(head_element, 'EntryPoint' ).text = '%d' % (self.entrypoint,)
etree.SubElement(head_element, 'IntrinsicDuration' ).text = '%d' % (self.intrinsicduration,)
etree.SubElement(head_element, 'Duration' ).text = '%d' % (self.duration,)
class CompositionPlayList(Asset):
def __init__(self, title, kind, reels=list(), rating=None):
super(CompositionPlayList, self).__init__()
self.title = title
self.annotation = "Playlist '" + title + "'"
self.kind = kind
self.reels = reels
self.rating = rating
self.targetfilename = self.UUID + '_cpl.xml'
def xml_SMPTE(self):
title = escape(self.title.encode('ascii', 'xmlcharrefreplace'))
# CPL head
cpl = etree.Element('{http://www.smpte-ra.org/schemas/429-7/2006/CPL}CompositionPlaylist',
nsmap={None: 'http://www.smpte-ra.org/schemas/429-7/2006/CPL'})
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 self.reels:
reel.yield_cpl_SMPTE(reellist)
_xml = etree.tostring(cpl, pretty_print=True, xml_declaration=True, standalone=None, encoding='UTF-8')
self.size = len(_xml)
self.digest = dcp_digest(_xml)
return _xml
def xml_Interop(self):
title = escape(self.title.encode('ascii', 'xmlcharrefreplace'))
# CPL head
cpl = etree.Element('{http://www.digicine.com/PROTO-ASDCP-CPL-20040511#}CompositionPlaylist',
nsmap={None: 'http://www.digicine.com/PROTO-ASDCP-CPL-20040511#'})
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
etree.SubElement(cpl, 'RatingList')
# Reels
reellist = etree.SubElement(cpl, 'ReelList')
for reel in self.reels:
reel.yield_cpl_Interop(reellist)
_xml = etree.tostring(cpl, pretty_print=True, xml_declaration=True, standalone=None, encoding='UTF-8')
self.size = len(_xml)
self.digest = dcp_digest(_xml)
return _xml
def write_SMPTE(self):
pass
def write_Interop(self):
pass
def yield_pkl_SMPTE(self, head_element):
super(CompositionPlayList, self).yield_pkl_SMPTE(head_element)
etree.SubElement(head_element, 'Type').text = 'text/xml'
def yield_pkl_Interop(self, head_element):
super(CompositionPlayList, self).yield_pkl_Interop(head_element)
etree.SubElement(head_element, 'Type').text = 'text/xml;asdcpKind=CPL'
class PackingList(Asset):
def __init__(self, assets=list()):
super(PackingList, self).__init__()
self.assets = assets
self.targetfilename = self.UUID + '_pkl.xml'
def xml_SMPTE(self):
pkl = etree.Element('{http://www.smpte-ra.org/schemas/429-8/2007/PKL}PackingList',
nsmap={None: 'http://www.smpte-ra.org/schemas/429-8/2007/PKL'})
etree.SubElement(pkl, 'Id' ).text = 'urn:uuid:' + self.UUID
etree.SubElement(pkl, 'IssueDate' ).text = ISSUEDATE
etree.SubElement(pkl, 'Issuer' ).text = ISSUER
etree.SubElement(pkl, 'Creator' ).text = CREATOR
etree.SubElement(pkl, 'Annotation' )
_assetlist = etree.SubElement(pkl, 'AssetList')
for asset in self.assets:
_asset = etree.SubElement(_assetlist, 'Asset')
asset.yield_pkl_SMPTE(_asset)
_xml = etree.tostring(pkl, pretty_print=True, xml_declaration=True, standalone=True, encoding='UTF-8')
self.size=len(_xml)
self.digest=dcp_digest(_xml)
return _xml
def xml_Interop(self):
pkl = etree.Element('{http://www.digicine.com/PROTO-ASDCP-PKL-20040311#}PackingList',
attrib={'{http://www.w3.org/2001/XMLSchema-instance}schemaLocation': 'http://www.digicine.com/PROTO-ASDCP-PKL-20040311# PackingList.xsd'},
nsmap={None: 'http://www.digicine.com/PROTO-ASDCP-PKL-20040311#',
'xsi': 'http://www.w3.org/2001/XMLSchema-instance'})
etree.SubElement(pkl, 'Id' ).text = 'urn:uuid:' + self.UUID
etree.SubElement(pkl, 'IssueDate' ).text = ISSUEDATE
etree.SubElement(pkl, 'Issuer' ).text = ISSUER
etree.SubElement(pkl, 'Creator' ).text = CREATOR
etree.SubElement(pkl, 'Annotation' )
_assetlist = etree.SubElement(pkl, 'AssetList')
for asset in self.assets:
_asset = etree.SubElement(_assetlist, 'Asset')
asset.yield_pkl_Interop(_asset)
_xml = etree.tostring(pkl, pretty_print=True, xml_declaration=True, standalone=True, encoding='UTF-8')
self.size=len(_xml)
self.digest=dcp_digest(_xml)
return _xml
def yield_am_SMPTE(self, head_element):
_asset = etree.SubElement(head_element, 'Asset')
etree.SubElement(_asset, 'Id').text = 'urn:uuid:' + self.UUID
etree.SubElement(_asset, 'PackingList').text = 'true'
self.yield_ChunkList_SMPTE(_asset)
def yield_am_Interop(self, head_element):
_asset = etree.SubElement(head_element, 'Asset')
etree.SubElement(_asset, 'Id').text = 'urn:uuid:' + self.UUID
etree.SubElement(_asset, 'PackingList')
self.yield_ChunkList_Interop(_asset)
class SoundTrack(Track):
def __init__(self):
super(SoundTrack, self).__init__()
def yield_cpl_SMPTE(self, head_element):
asset = etree.SubElement(head_element, 'MainSound')
super(SoundTrack, self).yield_cpl_SMPTE(asset)
def yield_cpl_Interop(self, head_element):
asset = etree.SubElement(head_element, 'MainSound')
super(SoundTrack, self).yield_cpl_Interop(asset)
def yield_pkl_SMPTE(self, head_element):
super(SoundTrack, self).yield_pkl_SMPTE(head_element)
etree.SubElement(head_element, 'Type').text = 'application/mxf'
def yield_pkl_Interop(self, head_element):
super(SoundTrack, self).yield_pkl_Interop(head_element)
etree.SubElement(head_element, 'Type').text = 'application/x-smpte-mxf;asdcpKind=Sound'
class PictureTrack(Track):
def __init__(self, stereoscopic = False):
super(PictureTrack, self).__init__()
self.stereoscopic = stereoscopic
def yield_cpl_SMPTE(self, head_element):
if self.stereoscopic:
asset = etree.SubElement(
head_element,
'{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'} )
else:
asset = etree.SubElement(head_element, 'MainPicture')
super(PictureTrack, self).yield_cpl_SMPTE(asset)
etree.SubElement(asset, 'FrameRate').text = '%d %d' % self.framerate
etree.SubElement(asset, 'ScreenAspectRatio').text = '%d %d' % self.aspectratio
def yield_cpl_Interop(self, head_element):
if self.stereoscopic:
asset = etree.SubElement(
head_element,
'{http://www.digicine.com/schemas/437-Y/2007/Main-Stereo-Picture-CPL}MainStereoscopicPicture',
nsmap={'msp-cpl': 'http://www.digicine.com/schemas/437-Y/2007/Main-Stereo-Picture-CPL'} )
else:
asset = etree.SubElement(head_element, 'MainPicture')
super(PictureTrack, self).yield_cpl_Interop(asset)
etree.SubElement(asset, 'FrameRate').text = '%d %d' % self.framerate
etree.SubElement(asset, 'ScreenAspectRatio').text = '%.2f' % (float(self.aspectratio[0])/float(self.aspectratio[1]),)
def yield_pkl_SMPTE(self, head_element):
super(PictureTrack, self).yield_pkl_SMPTE(head_element)
etree.SubElement(head_element, 'Type').text = 'application/mxf'
def yield_pkl_Interop(self, head_element):
super(PictureTrack, self).yield_pkl_Interop(head_element)
etree.SubElement(head_element, 'Type').text = 'application/x-smpte-mxf;asdcpKind=Picture'
class Reel(object):
def __init__(self, assets=list()):
self.UUID=asdcp_genuuid()
self.assets = assets
def yield_cpl_SMPTE(self, head_element):
_reel = etree.SubElement(head_element, 'Reel')
etree.SubElement(_reel, 'Id').text = 'urn:uuid:' + self.UUID
_assetlist = etree.SubElement(_reel, 'AssetList')
for asset in self.assets:
asset.yield_cpl_SMPTE(_assetlist)
def yield_cpl_Interop(self, head_element):
_reel = etree.SubElement(head_element, 'Reel')
etree.SubElement(_reel, 'Id').text = 'urn:uuid:' + self.UUID
_assetlist = etree.SubElement(_reel, 'AssetList')
for asset in self.assets:
asset.yield_cpl_Interop(_assetlist)
class Assetmap(object):
def __init__(self, assets=list()):
self.assets = assets
self.UUID = asdcp_genuuid()
self.volumecount = 1
def xml_SMPTE(self):
_assetmap = etree.Element('{http://www.smpte-ra.org/schemas/429-9/2007/AM}AssetMap',
nsmap={None: 'http://www.smpte-ra.org/schemas/429-9/2007/AM'})
etree.SubElement(_assetmap, 'Id' ).text = self.UUID
etree.SubElement(_assetmap, 'VolumeCount' ).text = '1'
etree.SubElement(_assetmap, 'IssueDate' ).text = ISSUEDATE
etree.SubElement(_assetmap, 'Issuer' ).text = ISSUER
etree.SubElement(_assetmap, 'Creator' ).text = CREATOR
_assetlist = etree.SubElement(_assetmap, 'AssetList')
for asset in self.assets:
asset.yield_am_SMPTE(_assetlist)
_xml = etree.tostring(_assetmap, pretty_print=True, xml_declaration=True, standalone=True, encoding='UTF-8')
return _xml
def xml_Interop(self):
_assetmap = etree.Element('{http://www.digicine.com/PROTO-ASDCP-AM-20040311#}AssetMap',
attrib={'{http://www.w3.org/2001/XMLSchema-instance}schemaLocation': 'http://www.digicine.com/PROTO-ASDCP-AM-20040311# asset_map.xsd'},
nsmap={ None: 'http://www.digicine.com/PROTO-ASDCP-AM-20040311#',
'xsi': 'http://www.w3.org/2001/XMLSchema-instance'})
etree.SubElement(_assetmap, 'Id' ).text = self.UUID
etree.SubElement(_assetmap, 'VolumeCount' ).text = '1'
etree.SubElement(_assetmap, 'IssueDate' ).text = ISSUEDATE
etree.SubElement(_assetmap, 'Issuer' ).text = ISSUER
etree.SubElement(_assetmap, 'Creator' ).text = CREATOR
_assetlist = etree.SubElement(_assetmap, 'AssetList')
for asset in self.assets:
asset.yield_am_Interop(_assetlist)
_xml = etree.tostring(_assetmap, pretty_print=True, xml_declaration=True, standalone=True, encoding='UTF-8')
return _xml
class VolumeIndex(object):
def xml_SMPTE(self):
_volumeindex = etree.Element('{http://www.smpte-ra.org/schemas/429-9/2007/AM}VolumeIndex',
nsmap={None: 'http://www.smpte-ra.org/schemas/429-9/2007/AM'})
etree.SubElement(_volumeindex, 'Index').text = '1'
_xml = etree.tostring(_volumeindex, pretty_print=True, xml_declaration=True, standalone=True, encoding='UTF-8')
return _xml
def xml_Interop(self):
_volumeindex = etree.Element('{http://www.digicine.com/PROTO-ASDCP-VL-20040311#}VolumeIndex',
attrib={'{http://www.w3.org/2001/XMLSchema-instance}schemaLocation': 'http://www.digicine.com/PROTO-ASDCP-VL-20040311# VolumeLabel.xsd'},
nsmap={None: 'http://www.digicine.com/PROTO-ASDCP-VL-20040311#',
'xsi': 'http://www.w3.org/2001/XMLSchema-instance'} )
etree.SubElement(_volumeindex, 'Index').text = '1'
_xml = etree.tostring(_volumeindex, pretty_print=True, xml_declaration=True, standalone=True, encoding='UTF-8')
return _xml
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