#
# Author: Olivier Guilyardi <olivier@samalyse.com>
-from django.db import models
-from django.db.models import Q
+from django.db.models import Manager, Model, Q, CharField, FileField, \
+ TextField, DecimalField, ForeignKey, DateField
from django.core.exceptions import ObjectDoesNotExist
from django.core import validators
from django.conf import settings
media_id_regex = r'[0-9A-Za-z._-]+'
class MediaModel(Component):
+ "Represent the whole model as a component"
pass
class MediaCore(object):
+ "Base class of all media objects"
+
def to_dict(self):
"Return model fields as a dict of name/value pairs"
fields_dict = {}
return fields_list
def get_dom_element_name(cls):
+ "Convert the class name to a DOM element name"
clsname = cls.__name__
return clsname[0].lower() + clsname[1:]
get_dom_element_name = classmethod(get_dom_element_name)
top.appendChild(element)
return doc
-class PhysicalFormat(models.Model):
- value = models.CharField(maxlength=250)
+class PhysicalFormat(Model):
+ "Physical support of media items"
+
+ value = CharField(maxlength=250)
is_enumeration = True
def __str__(self):
return self.value
class Meta:
ordering = ['value']
-class PublishingStatus(models.Model):
- value = models.CharField(maxlength=250)
+class PublishingStatus(Model):
+ "Publishing status of media items"
+ value = CharField(maxlength=250)
is_enumeration = True
def __str__(self):
return self.value
ordering = ['value']
verbose_name_plural = "Publishing status"
-class MediaCollectionManager(models.Manager):
+class MediaCollectionManager(Manager):
+ "Manage collection queries"
+
def quick_search(self, pattern):
+ "Perform a quick search on id, title and creator name"
return super(MediaCollectionManager, self).get_query_set().filter(
Q(id__icontains=pattern) |
Q(title__icontains=pattern) |
)
def by_country(self, country):
+ "Find collections by country"
qs = super(MediaCollectionManager, self).get_query_set()
return qs.extra(where = ["id IN (SELECT collection_id "
"FROM telemeta_item WHERE etat = %s)"],
params=[country]);
- def stat_continents(self):
+ def stat_continents(self):
+ "Return the number of collections by continents and countries as a tree"
from django.db import connection
cursor = connection.cursor()
cursor.execute("SELECT continent, etat, count(*) AS items_num "
ordered = [{'name': k, 'countries': stat[k]} for k in keys]
return ordered
-
-class MediaCollection(models.Model, MediaCore):
+class MediaCollection(Model, MediaCore):
"Group related media items"
id_regex = media_id_regex
id_validator = validators.MatchesRegularExpression('^' + id_regex + '$')
- publisher_reference = models.CharField(maxlength=250, blank=True)
- physical_format = models.CharField(maxlength=250, blank=True)
- id = models.CharField(maxlength=250, primary_key=True,
- verbose_name='identifier', validator_list=[id_validator])
- title = models.CharField(maxlength=250)
- native_title = models.CharField(maxlength=250, blank=True)
- physical_items_num = models.CharField(maxlength=250, blank=True)
- publishing_status = models.CharField(maxlength=250, blank=True)
- is_original = models.CharField(maxlength=250, blank=True)
- is_full_copy = models.CharField(maxlength=250, blank=True)
- copied_from = models.ForeignKey('self', null=True, blank=True)
- creator = models.CharField(maxlength=250)
- booklet_writer = models.CharField(maxlength=250, blank=True)
- booklet_description = models.TextField(blank=True)
- collector = models.CharField(maxlength=250, blank=True)
- publisher = models.CharField(maxlength=250, blank=True)
- date_published = models.CharField(maxlength=250, blank=True)
- publisher_collection = models.CharField(maxlength=250, blank=True)
- publisher_serial_id = models.CharField(maxlength=250, blank=True)
- ref_biblio = models.TextField(blank=True)
- acquisition_mode = models.CharField(maxlength=250, blank=True)
- comment = models.TextField(blank=True)
- record_author = models.CharField(maxlength=250, blank=True)
- record_writer = models.CharField(maxlength=250, blank=True)
- rights = models.CharField(maxlength=250, blank=True)
- annee_enr = models.CharField(maxlength=250, blank=True)
- terrain_ou_autre = models.CharField(maxlength=250, blank=True)
- duree_approx = models.CharField(maxlength=250, blank=True)
- tri_dibm = models.CharField(maxlength=250, blank=True)
- travail = models.CharField(maxlength=250, blank=True)
- compil_face_plage = models.TextField(blank=True)
- deposant_cnrs = models.CharField(maxlength=250, blank=True)
- fiches = models.CharField(maxlength=250, blank=True)
- a_informer = models.CharField(maxlength=250, blank=True)
- numerisation = models.CharField(maxlength=250, blank=True)
- champ36 = models.CharField(maxlength=250, blank=True)
+ publisher_reference = CharField(maxlength=250, blank=True)
+ physical_format = CharField(maxlength=250, blank=True)
+ id = CharField(maxlength=250, primary_key=True,
+ verbose_name='identifier', validator_list=[id_validator])
+ title = CharField(maxlength=250)
+ native_title = CharField(maxlength=250, blank=True)
+ physical_items_num = CharField(maxlength=250, blank=True)
+ publishing_status = CharField(maxlength=250, blank=True)
+ is_original = CharField(maxlength=250, blank=True)
+ is_full_copy = CharField(maxlength=250, blank=True)
+ copied_from = ForeignKey('self', null=True, blank=True)
+ creator = CharField(maxlength=250)
+ booklet_writer = CharField(maxlength=250, blank=True)
+ booklet_description = TextField(blank=True)
+ collector = CharField(maxlength=250, blank=True)
+ publisher = CharField(maxlength=250, blank=True)
+ date_published = CharField(maxlength=250, blank=True)
+ publisher_collection= CharField(maxlength=250, blank=True)
+ publisher_serial_id = CharField(maxlength=250, blank=True)
+ ref_biblio = TextField(blank=True)
+ acquisition_mode = CharField(maxlength=250, blank=True)
+ comment = TextField(blank=True)
+ record_author = CharField(maxlength=250, blank=True)
+ record_writer = CharField(maxlength=250, blank=True)
+ rights = CharField(maxlength=250, blank=True)
+ annee_enr = CharField(maxlength=250, blank=True)
+ terrain_ou_autre = CharField(maxlength=250, blank=True)
+ duree_approx = CharField(maxlength=250, blank=True)
+ tri_dibm = CharField(maxlength=250, blank=True)
+ travail = CharField(maxlength=250, blank=True)
+ compil_face_plage = TextField(blank=True)
+ deposant_cnrs = CharField(maxlength=250, blank=True)
+ fiches = CharField(maxlength=250, blank=True)
+ a_informer = CharField(maxlength=250, blank=True)
+ numerisation = CharField(maxlength=250, blank=True)
+ champ36 = CharField(maxlength=250, blank=True)
objects = MediaCollectionManager()
def to_dublincore(self):
+ "Express this collection as a Dublin Core resource"
if (self.date_published):
date = self.date_published
else:
dc.Element('title', 'title', self.title),
dc.Element('title', 'native_title', self.native_title),
dc.Element('creator', 'creator', self.creator),
- dc.Element('relation', 'copied_from', copied_from,
- 'isVersionOf'),
+ dc.Element('relation', 'copied_from', copied_from, 'isVersionOf'),
dc.Element('contributor', 'booklet_writer', self.booklet_writer),
dc.Element('contributor', 'collector', self.collector),
dc.Element('publisher', 'publisher', self.publisher),
class Admin:
pass
-class MediaItemManager(models.Manager):
+class MediaItemManager(Manager):
+ "Manage media items queries"
+
def quick_search(self, pattern):
+ "Perform a quick search on id and title"
return super(MediaItemManager, self).get_query_set().filter(
Q(id__icontains=pattern) |
Q(_title__icontains=pattern)
return qs.extra(
where = ["collection_id NOT IN (SELECT id FROM telemeta_collection)"]);
-class MediaItem(models.Model, MediaCore):
- "Describe a item with metadata"
+class MediaItem(Model, MediaCore):
+ "Describe an item with metadata"
id_regex = media_id_regex
id_validator = validators.MatchesRegularExpression('^' + id_regex + '$')
- ref = models.CharField(maxlength=250, blank=True)
- format = models.CharField(maxlength=250, blank=True)
- collection = models.ForeignKey(MediaCollection, related_name="items")
- face_plage = models.CharField(maxlength=250, blank=True)
- id = models.CharField(maxlength=250, primary_key=True,
- verbose_name='identifier', validator_list=[id_validator])
- duree = models.CharField(maxlength=250, blank=True)
- dates_enregistr = models.CharField(maxlength=250, blank=True)
- etat = models.CharField(maxlength=250, blank=True)
- region_village = models.CharField(maxlength=250, blank=True)
- ethnie_grsocial = models.CharField(maxlength=250, blank=True)
- titre_support = models.CharField(maxlength=250, blank=True)
- _title = models.CharField(maxlength=250, db_column='title', blank=True)
- transcrip_trad = models.CharField(maxlength=250, blank=True)
- auteur = models.CharField(maxlength=250, blank=True)
- form_genr_style = models.CharField(maxlength=250, blank=True)
- struct_modale = models.CharField(maxlength=250, blank=True)
- struct_rythm = models.CharField(maxlength=250, blank=True)
- comm_fonctusage = models.TextField(blank=True)
- documentation = models.TextField(maxlength=250, blank=True)
- remarques = models.TextField(maxlength=250, blank=True)
- moda_execut = models.CharField(maxlength=250, blank=True)
- copie_de = models.CharField(maxlength=250, blank=True)
- enregistre_par = models.CharField(maxlength=250, blank=True)
- aire_geo_cult = models.CharField(maxlength=250, blank=True)
- annee_enreg = models.CharField(maxlength=250, blank=True)
- formstyl_generi = models.CharField(maxlength=250, blank=True)
- choixcollecteur = models.CharField(maxlength=250, blank=True)
- repere_bande = models.CharField(maxlength=250, blank=True)
- nroband_nropiec = models.CharField(maxlength=250, blank=True)
- continent = models.CharField(maxlength=250, blank=True)
- file = models.FileField(upload_to='items/%Y/%m/%d', blank=True)
+ ref = CharField(maxlength=250, blank=True)
+ format = CharField(maxlength=250, blank=True)
+ collection = ForeignKey(MediaCollection, related_name="items")
+ face_plage = CharField(maxlength=250, blank=True)
+ id = CharField(maxlength=250, primary_key=True,
+ verbose_name='identifier', validator_list=[id_validator])
+ duree = CharField(maxlength=250, blank=True)
+ dates_enregistr = CharField(maxlength=250, blank=True)
+ etat = CharField(maxlength=250, blank=True)
+ region_village = CharField(maxlength=250, blank=True)
+ ethnie_grsocial = CharField(maxlength=250, blank=True)
+ titre_support = CharField(maxlength=250, blank=True)
+ _title = CharField(maxlength=250, db_column='title', blank=True)
+ transcrip_trad = CharField(maxlength=250, blank=True)
+ auteur = CharField(maxlength=250, blank=True)
+ form_genr_style = CharField(maxlength=250, blank=True)
+ struct_modale = CharField(maxlength=250, blank=True)
+ struct_rythm = CharField(maxlength=250, blank=True)
+ comm_fonctusage = TextField(blank=True)
+ documentation = TextField(maxlength=250, blank=True)
+ remarques = TextField(maxlength=250, blank=True)
+ moda_execut = CharField(maxlength=250, blank=True)
+ copie_de = CharField(maxlength=250, blank=True)
+ enregistre_par = CharField(maxlength=250, blank=True)
+ aire_geo_cult = CharField(maxlength=250, blank=True)
+ annee_enreg = CharField(maxlength=250, blank=True)
+ formstyl_generi = CharField(maxlength=250, blank=True)
+ choixcollecteur = CharField(maxlength=250, blank=True)
+ repere_bande = CharField(maxlength=250, blank=True)
+ nroband_nropiec = CharField(maxlength=250, blank=True)
+ continent = CharField(maxlength=250, blank=True)
+ file = FileField(upload_to='items/%Y/%m/%d', blank=True)
objects = MediaItemManager()
title = property(_get_title)
def to_dublincore(self):
+ "Express this item as a Dublin Core resource"
if self.auteur:
creator = self.auteur
else:
return resource
def get_duration(self):
+ "Tell the length in seconds of this item media data"
if self.file:
import wave
media = wave.open(settings.MEDIA_ROOT + "/" + self.file, "rb")
db_table = 'telemeta_item'
-class MediaPart(models.Model, MediaCore):
+class MediaPart(Model, MediaCore):
"Describe the part of a media item"
- contributor = models.CharField(maxlength=250, blank=True)
- coverage = models.CharField(maxlength=250, blank=True)
- creator = models.CharField(maxlength=250, blank=True)
- date = models.DateField()
- description = models.CharField(maxlength=250, blank=True)
- format = models.CharField(maxlength=250, blank=True)
- identifier = models.CharField(maxlength=250, blank=True)
- language = models.CharField(maxlength=250, blank=True)
- publisher = models.CharField(maxlength=250, blank=True)
- rights = models.CharField(maxlength=250, blank=True)
- source = models.CharField(maxlength=250, blank=True)
- subject = models.CharField(maxlength=250, blank=True)
- title = models.CharField(maxlength=250, blank=True)
- media_item = models.ForeignKey(MediaItem)
- media_item.dublin_core = 'relation'
- parent = models.ForeignKey('self', null=True, related_name='children')
- media_item.dublin_core = 'relation'
- start = models.DecimalField(max_digits=11, decimal_places=3)
- end = models.DecimalField(max_digits=11, decimal_places=3)
- #comment = models.TextField(blank=True)
+ contributor = CharField(maxlength=250, blank=True)
+ coverage = CharField(maxlength=250, blank=True)
+ creator = CharField(maxlength=250, blank=True)
+ date = DateField()
+ description = CharField(maxlength=250, blank=True)
+ format = CharField(maxlength=250, blank=True)
+ identifier = CharField(maxlength=250, blank=True)
+ language = CharField(maxlength=250, blank=True)
+ publisher = CharField(maxlength=250, blank=True)
+ rights = CharField(maxlength=250, blank=True)
+ source = CharField(maxlength=250, blank=True)
+ subject = CharField(maxlength=250, blank=True)
+ title = CharField(maxlength=250, blank=True)
+ media_item = ForeignKey(MediaItem)
+ #media_item.dublin_core = 'relation'
+ parent = ForeignKey('self', null=True, related_name='children')
+ #media_item.dublin_core = 'relation'
+ start = DecimalField(max_digits=11, decimal_places=3)
+ end = DecimalField(max_digits=11, decimal_places=3)
+ #comment = TextField(blank=True)
def __str__(self):
return self.title
projects / telemeta.git / commitdiff