def get_cmdline(self):
extractor_type = self.source.get_extractor()
log.debug('######333\n########## ExtractBasic: using %s' % extractor_type)
self.remote_exe = self.exe_list[extractor_type]
self.cmdline = getattr(self, 'cmd_%s' % extractor_type)
self.parser = getattr(self, 'parse_%s' % extractor_type)
self.cmdline = self.cmdline % {'infile': self.source.uri}
def parse_media_basic(self, result, filename):
log.debug('parse_media_basic: entering "%s"' % type(result))
fullpath = str(self._fc.abspath(filename))
parser = Parser()
parseString(result.encode('utf-8'), parser)
features = parser.parsed
self._save_features(features, 'media_basic')
return 'ok'
def _read_xmp_features(self, features):
xpath = re.compile(r'(?P<prefix>\w+):(?P<property>\w+)(?P<array_index>\[\d+\]){,1}')
ctype = ContentType.objects.get_for_model(self.item)
ctype_component = ContentType.objects.get_for_model(self.component)
user = self.item.uploaded_by()
metadata_default_language = get_metadata_default_language(user)
metadata_dict = {}
metadata_list = []
delete_list = []
log.debug('READ XMP FEATURES')
if not isinstance(features, dict):
item.state = 1
item.save()
return [], []
for feature in features.keys():
try:
namespace_obj = XMPNamespace.objects.get(uri=feature)
except Exception, e:
log.error('####### Error: unknown namespace %s: %s' % (feature, str(e)))
continue
metadata_dict[namespace_obj] = {}
namespace_properties = MetadataProperty.objects.filter(namespace=namespace_obj)
for property_values in features[feature]:
property_xpath = property_values[0]
property_value = property_values[1]
property_options = property_values[2]
xpath_splitted = xpath.findall(property_xpath)
metadata_property = xpath_splitted[0][1].strip()
metadata_index = xpath_splitted[0][2].strip()
found_property = namespace_properties.filter(field_name__iexact=metadata_property)
if found_property.count() > 0 and len(property_value.strip()) > 0:
if found_property[0].is_array == 'not_array':
delete_list.append(found_property[0])
if property_options['IS_QUALIFIER'] and xpath_splitted[-1][1] == 'lang':
#log.debug('############# setting throw away IS_QUALIFIER option')
find_xpath = property_xpath.replace('/?xml:lang', '')
if metadata_dict[namespace_obj].has_key(find_xpath):
if property_value == 'x-default':
property_value = metadata_default_language
metadata_dict[namespace_obj][find_xpath].language = property_value
else:
log.debug('metadata property not found: ' + find_xpath)
pass
#log.debug('###@@@@ %s: (%s)' % (find_xpath, property_value))
else:
if found_property[0].is_variant:
x = MetadataValue(schema=found_property[0], object_id=self.component.pk, content_type=ctype_component, value=property_value, xpath=property_xpath)
else:
x = MetadataValue(schema=found_property[0], object_id=self.item.pk, content_type=ctype, value=property_value, xpath=property_xpath)
metadata_dict[namespace_obj][property_xpath] = x
metadata_list.append(x)
def parse_doc_basic(self, result, filename):
log.debug('parse_doc_basic: entering')
features = {}
lines = result.split('\n')
for line in lines:
sep = line.find(':')
if sep < 0:
continue
key = line[:sep].strip()
value = line[sep+1:].strip()
features[key] = value
features['size'] = long(features.get('File size', '-1').split()[0])
features['pages'] = features['Pages']
self._save_features(features, 'doc_basic')
return 'ok'
def handle_result(self, result):
log.debug('handle_result %s' % str(result))
log.debug("[save_component] component %s" % self.out_comp.pk)
log.debug('##############\n%s\n' % result['data'])
directory, name = os.path.split(self.out_file)
self.out_comp.uri = name
self.out_comp.save()
self.item.update_time = time.time()
self.item.save()
return self.out_file
longitude = None
for x in xmp_metadata_list:
if x.xpath == 'exif:GPSLatitude':
latitude = x.value
elif x.xpath == 'exif:GPSLongitude':
longitude = x.value
x.save()
except Exception, e:
log.error('Error in %s: %s %s' % (self.__class__.__name__, type(e), str(e)))
return
if latitude != None and longitude != None:
try:
GeoInfo.objects.save_geo_coords(self.component.item, latitude,longitude)
except Exception, ex:
log.debug( 'ex while saving latitude and longitude in dam db: %s'% ex)
def extract_xmp(self):
features = xmp_extractor.extract.delay(self.component.uri).get()
self._cb_xmp_ok(features)
def test():
print 'test'
item = Item.objects.get(pk=1)
workspace = DAMWorkspace.objects.get(pk = 1)
d = run(4,
workspace.pk,
source_variant_name = ['original'],
)
print 'addBoth'
def _save_metadata(self, features, ctype):
c = self.source
#log.debug('######## _save_metadata %s %s' % (c, features))
xmp_metadata_commons = {'size':[('notreDAM','FileSize')]}
xmp_metadata_audio = {'channels':[('xmpDM', 'audioChannelType')], 'sample_rate':[('xmpDM', 'audioSampleRate')], 'duration':[('notreDAM', 'Duration')]}
xmp_metadata_video = {'height':[('xmpDM', 'videoFrameSize','stDim','h')] , 'width':[('xmpDM', 'videoFrameSize','stDim','w')], 'r_frame_rate':[('xmpDM','videoFrameRate')], 'bit_rate':[('xmpDM','fileDataRate')], 'duration':[('notreDAM', 'Duration')]}
xmp_metadata_image = {'height':[('tiff', 'ImageLength')] , 'width':[('tiff', 'ImageWidth')]}
xmp_metadata_doc = {'pages': [('notreDAM', 'NPages')], 'Copyright': [('dc', 'rights')]}
xmp_metadata_image.update(xmp_metadata_commons)
xmp_metadata_audio.update(xmp_metadata_commons)
xmp_metadata_doc.update(xmp_metadata_commons)
xmp_metadata_video.update(xmp_metadata_audio)
xmp_metadata = {'image': xmp_metadata_image, 'video': xmp_metadata_video, 'audio': xmp_metadata_audio, 'doc': xmp_metadata_doc}
metadata_list = []
delete_list = []
media_type = c.media_type.name
user = self.item.uploaded_by()
metadata_default_language = get_metadata_default_language(user)
for feature in features.keys():
if features[feature]=='' or features[feature] == '0':
continue
if feature == 'file_size':
c.size = features[feature]
if feature == 'height':
c.height = features[feature]
elif feature == 'width':
c.width = features[feature]
try:
xmp_names = xmp_metadata[media_type][feature]
except KeyError:
continue
for m in xmp_names:
try:
ms = MetadataProperty.objects.get(namespace__prefix=m[0], field_name= m[1])
except:
log.debug( 'inside readfeatures, unknown metadata %s:%s ' % (m[0],m[1]))
continue
if ms.is_variant or c.variant.name == 'original':
if len(m) == 4:
property_xpath = "%s:%s[1]/%s:%s" % (m[0], m[1], m[2], m[3])
else:
property_xpath = ''
try:
if ms.type == 'lang':
x = MetadataValue(schema=ms, object_id=c.pk, content_type=ctype, value=features[feature], language=metadata_default_language, xpath=property_xpath)
else:
x = MetadataValue(schema=ms, object_id=c.pk, content_type=ctype, value=features[feature], xpath=property_xpath)
metadata_list.append(x)
delete_list.append(ms)
except:
log.debug('inside readfeatures, could not get %s' % ms)
continue
c.save()
return (metadata_list, delete_list)
if self.get_cmdline is None:
raise Exception('Analyzer is an abstract base class: instantiate a derived class')
self._fc = Storage()
self.workspace = workspace
self.item, self.source = get_source_rendition(item_id, source_variant_name, workspace)
def handle_result(self, result, *args):
#log.debug('= handle_result %s' % str(result)[:128])
try:
return self.parse_stdout(result['data'], *args)
except Exception, e:
log.error('Error in %s: %s %s' % (self.__class__.__name__, type(e), str(e)))
raise
def execute(self, **params):
# get basic data (avoid creating stuff in DB)
try:
self.get_cmdline(**params)
args = splitstring(self.cmdline)
except Exception, e:
log.error('Error in %s: %s %s' % (self.__class__.__name__, type(e), str(e)))
raise
else:
if self.fake:
log.debug('######### Command line:\n%s' % str(args))
else:
result = generic_cmd.call.delay(self.remote_exe,
args, self.env).get()
return self.handle_result(result)
