sintonia/python_apps/media-monitor2/media/metadata/definitions.py

159 lines
4.7 KiB
Python

# -*- coding: utf-8 -*-
import media.metadata.process as md
import re
from os.path import normpath
from media.monitor.pure import format_length, file_md5, is_airtime_recorded, \
no_extension_basename
defs_loaded = False
MAX_SIGNED_INT = 2**31-1
def is_defs_loaded():
global defs_loaded
return defs_loaded
def load_definitions():
with md.metadata('MDATA_KEY_DURATION') as t:
t.default(u'0.0')
t.depends('length')
t.translate(lambda k: format_length(k['length']))
with md.metadata('MDATA_KEY_CUE_IN') as t:
t.default(u'0.0')
t.depends('cuein')
t.translate(lambda k: format_length(k['cuein']))
with md.metadata('MDATA_KEY_CUE_OUT') as t:
t.default(u'0.0')
t.depends('cueout')
t.translate(lambda k: format_length(k['cueout']))
with md.metadata('MDATA_KEY_MIME') as t:
t.default(u'')
t.depends('mime')
# Is this necessary?
t.translate(lambda k: k['mime'].replace('audio/vorbis','audio/ogg'))
with md.metadata('MDATA_KEY_BITRATE') as t:
t.default(u'')
t.depends('bitrate')
t.translate(lambda k: k['bitrate'])
t.max_value(MAX_SIGNED_INT)
with md.metadata('MDATA_KEY_SAMPLERATE') as t:
t.default(u'0')
t.depends('sample_rate')
t.translate(lambda k: k['sample_rate'])
t.max_value(MAX_SIGNED_INT)
with md.metadata('MDATA_KEY_FTYPE') as t:
t.depends('ftype') # i don't think this field even exists
t.default(u'audioclip')
t.translate(lambda k: k['ftype']) # but just in case
with md.metadata("MDATA_KEY_CREATOR") as t:
t.depends("artist")
# A little kludge to make sure that we have some value for when we parse
# MDATA_KEY_TITLE
t.default(u"")
t.max_length(512)
with md.metadata("MDATA_KEY_SOURCE") as t:
t.depends("album")
t.max_length(512)
with md.metadata("MDATA_KEY_GENRE") as t:
t.depends("genre")
t.max_length(64)
with md.metadata("MDATA_KEY_MOOD") as t:
t.depends("mood")
t.max_length(64)
with md.metadata("MDATA_KEY_TRACKNUMBER") as t:
t.depends("tracknumber")
t.max_value(MAX_SIGNED_INT)
with md.metadata("MDATA_KEY_BPM") as t:
t.depends("bpm")
t.max_value(MAX_SIGNED_INT)
with md.metadata("MDATA_KEY_LABEL") as t:
t.depends("organization")
t.max_length(512)
with md.metadata("MDATA_KEY_COMPOSER") as t:
t.depends("composer")
t.max_length(512)
with md.metadata("MDATA_KEY_ENCODER") as t:
t.depends("encodedby")
t.max_length(512)
with md.metadata("MDATA_KEY_CONDUCTOR") as t:
t.depends("conductor")
t.max_length(512)
with md.metadata("MDATA_KEY_YEAR") as t:
t.depends("date")
t.max_length(16)
with md.metadata("MDATA_KEY_URL") as t:
t.depends("website")
with md.metadata("MDATA_KEY_ISRC") as t:
t.depends("isrc")
t.max_length(512)
with md.metadata("MDATA_KEY_COPYRIGHT") as t:
t.depends("copyright")
t.max_length(512)
with md.metadata("MDATA_KEY_ORIGINAL_PATH") as t:
t.depends('path')
t.translate(lambda k: unicode(normpath(k['path'])))
with md.metadata("MDATA_KEY_MD5") as t:
t.depends('path')
t.optional(False)
t.translate(lambda k: file_md5(k['path'], max_length=100))
# owner is handled differently by (by events.py)
# MDATA_KEY_TITLE is the annoying special case b/c we sometimes read it
# from file name
# must handle 3 cases:
# 1. regular case (not recorded + title is present)
# 2. title is absent (read from file)
# 3. recorded file
def tr_title(k):
#unicode_unknown = u"unknown"
new_title = u""
if is_airtime_recorded(k) or k['title'] != u"":
new_title = k['title']
else:
default_title = no_extension_basename(k['path'])
default_title = re.sub(r'__\d+\.',u'.', default_title)
# format is: track_number-title-123kbps.mp3
m = re.match(".+?-(?P<title>.+)-(\d+kbps|unknown)$", default_title)
if m: new_title = m.group('title')
else: new_title = re.sub(r'-\d+kbps$', u'', default_title)
return new_title
with md.metadata('MDATA_KEY_TITLE') as t:
# Need to know MDATA_KEY_CREATOR to know if show was recorded. Value is
# defaulted to "" from definitions above
t.depends('title','MDATA_KEY_CREATOR','path')
t.optional(False)
t.translate(tr_title)
t.max_length(512)
with md.metadata('MDATA_KEY_LABEL') as t:
t.depends('label')
t.max_length(512)