def read(self, filename):
"""
Read an Xtrans file and fill the Transcription.
It creates a tier for each speaker-channel observed in the file.
"""
with codecs.open(filename, 'r', 'utf-8') as fp:
lines = fp.readlines()
rownames = lines[0].split('\t')
lines.pop(0)
medias = {}
# Extract rows, create tiers and metadata.
for line in lines:
# a comment
if line.startswith(';;'):
continue
# a tab-delimited line
line = line.split('\t')
# fix the name of the tier
channel = line[rownames.index('channel;int')]
speaker = line[rownames.index('speaker;unicode')]
tiername = speaker+'-'+channel
# check for the tier (find it or create it)
tier = self.Find(tiername)
if tier is None:
tier = Tier(tiername)
mediaurl = line[rownames.index('file;unicode')]
if not mediaurl in medias:
mediaid = gen_id()
medias[mediaurl] = mediaid
mediaid = medias[mediaurl]
(mediamime,mediaencoding) = mimetypes.guess_type(mediaurl)
media = Media( mediaid, mediaurl, mediamime )
if mediaencoding is not None:
media.metadata[ "encoding" ] = mediaencoding
tier.SetMedia( media )
tier.metadata[ "speakerName" ] = speaker
tier.metadata[ "speakerType" ] = line[ rownames.index('speakerType;unicode') ]
tier.metadata[ "speakerDialect" ] = line[ rownames.index('speakerDialect;unicode') ]
tier.metadata[ "mediaChannel" ] = channel
self.Append( tier )
# Add the new annotation
label = Label( line[rownames.index('transcript;unicode')] )
begin = TimePoint( float( line[rownames.index('start;float')] ) )
end = TimePoint( float( line[rownames.index('end;float')] ) )
new_ann = Annotation(TimeInterval(begin,end), label)
tier.Add( new_ann )
def __read_media(self, mediaRoot):
# Create a Media instance
mediaid = gen_id()
mediaurl = mediaRoot.attrib['MEDIA_URL']
mediamime = ''
if 'MIME_TYPE' in mediaRoot.attrib:
mediamime = mediaRoot.attrib['MIME_TYPE']
media = Media( mediaid,mediaurl,mediamime )
# Add metadata
if 'RELATIVE_MEDIA_URL' in mediaRoot.attrib:
media.metadata['RELATIVE_MEDIA_URL'] = mediaRoot.attrib['RELATIVE_MEDIA_URL']
# Add media into Transcription();
# but media not linked to tiers... Elan doesn't propose it
self.AddMedia( media )
def __read_media(self, mediaRoot):
# Create a Media instance
mediaid = mediaRoot.attrib['id']
mediaurl = mediaRoot.attrib['url']
mediamime = ''
if 'mimetype' in mediaRoot.attrib:
mediamime = mediaRoot.attrib['mimetype']
media = Media( mediaid,mediaurl,mediamime )
# Add content if any
contentRoot = mediaRoot.find('Content')
if contentRoot:
media.content = contentRoot.text
# link to tiers
for tierNode in mediaRoot.findall('Tier'):
tier = self.__id_tier_map[tierNode.attrib['id']]
tier.SetMedia( media )