class FSItem(BackendItem):
logCategory = 'fs_item'
def __init__(
self,
object_id,
parent,
path,
mimetype,
urlbase,
UPnPClass,
update=False,
store=None,
):
BackendItem.__init__(self)
self.id = object_id
self.parent = parent
if parent:
parent.add_child(self, update=update)
if mimetype == 'root':
self.location = str(path)
else:
if mimetype == 'item' and path is None:
path = os.path.join(parent.get_realpath(), str(self.id))
# self.location = FilePath(unicode(path))
self.location = FilePath(path)
self.mimetype = mimetype
if urlbase[-1] != '/':
urlbase += '/'
self.url = urlbase + str(self.id)
self.store = store
if parent is None:
parent_id = -1
else:
parent_id = parent.get_id()
self.item = UPnPClass(object_id, parent_id, self.get_name())
if isinstance(self.item, Container):
self.item.childCount = 0
self.child_count = 0
self.children = []
self.sorted = False
self.caption = None
if mimetype in ['directory', 'root']:
self.update_id = 0
self.get_url = lambda: self.url
# self.item.searchable = True
# self.item.searchClass = 'object'
if (isinstance(self.location, FilePath)
and self.location.isdir() is True):
self.check_for_cover_art()
if getattr(self, 'cover', None):
_, ext = os.path.splitext(self.cover)
''' add the cover image extension to help clients
not reacting on the mimetype '''
self.item.albumArtURI = ''.join(
(urlbase, str(self.id), '?cover', str(ext)))
else:
self.get_url = lambda: self.url
if self.mimetype.startswith('audio/'):
if getattr(parent, 'cover', None):
_, ext = os.path.splitext(parent.cover)
''' add the cover image extension to help clients
not reacting on the mimetype '''
self.item.albumArtURI = ''.join(
(urlbase, str(self.id), '?cover', ext))
_, host_port, _, _, _ = urlsplit(urlbase)
if host_port.find(':') != -1:
host, port = tuple(host_port.split(':'))
else:
host = host_port
try:
size = self.location.getsize()
except Exception:
size = 0
if (self.store.server and self.store.server.coherence.config.get(
'transcoding', 'no') == 'yes'):
if self.mimetype in (
'application/ogg',
'audio/ogg',
'audio/x-wav',
'audio/x-m4a',
'application/x-flac',
):
new_res = Resource(
self.url + '/transcoded.mp3',
f'http-get:*:{"audio/mpeg"}:*',
)
new_res.size = None
# self.item.res.append(new_res)
if mimetype != 'item':
res = Resource(
'file://' + quote(self.get_path(), encoding='utf-8'),
f'internal:{host}:{self.mimetype}:*',
)
res.size = size
self.item.res.append(res)
if mimetype != 'item':
res = Resource(self.url, f'http-get:*:{self.mimetype}:*')
else:
res = Resource(self.url, 'http-get:*:*:*')
res.size = size
self.item.res.append(res)
''' if this item is of type audio and we want to add a transcoding
rule for it, this is the way to do it:
create a new Resource object, at least a 'http-get'
and maybe an 'internal' one too
for transcoding to wav this looks like that
res = Resource(
url_for_transcoded audio,
'http-get:*:audio/x-wav:%s'% ';'.join(
['DLNA.ORG_PN=JPEG_TN']+simple_dlna_tags))
res.size = None
self.item.res.append(res)
'''
if (self.store.server and self.store.server.coherence.config.get(
'transcoding', 'no') == 'yes'):
if self.mimetype in (
'audio/mpeg',
'application/ogg',
'audio/ogg',
'audio/x-wav',
'audio/x-m4a',
'audio/flac',
'application/x-flac',
):
dlna_pn = 'DLNA.ORG_PN=LPCM'
dlna_tags = simple_dlna_tags[:]
# dlna_tags[1] = 'DLNA.ORG_OP=00'
dlna_tags[2] = 'DLNA.ORG_CI=1'
new_res = Resource(
self.url + '?transcoded=lpcm',
f'http-get:*:{"audio/L16;rate=44100;channels=2"}:'
f'{";".join([dlna_pn] + dlna_tags)}',
)
new_res.size = None
# self.item.res.append(new_res)
if self.mimetype != 'audio/mpeg':
new_res = Resource(
self.url + '?transcoded=mp3',
f'http-get:*:{"audio/mpeg"}:*',
)
new_res.size = None
# self.item.res.append(new_res)
''' if this item is an image and we want to add a thumbnail for it
we have to follow these rules:
create a new Resource object, at least a 'http-get'
and maybe an 'internal' one too
for an JPG this looks like that
res = Resource(url_for_thumbnail,
'http-get:*:image/jpg:%s'% ';'.join(
['DLNA.ORG_PN=JPEG_TN']+simple_dlna_tags))
res.size = size_of_thumbnail
self.item.res.append(res)
and for a PNG the Resource creation is like that
res = Resource(url_for_thumbnail,
'http-get:*:image/png:%s'% ';'.join(
simple_dlna_tags+['DLNA.ORG_PN=PNG_TN']))
if not hasattr(self.item, 'attachments'):
self.item.attachments = {}
self.item.attachments[key] = utils.StaticFile(
filename_of_thumbnail)
'''
if (self.mimetype in ('image/jpeg', 'image/png')
or self.mimetype.startswith('video/')):
try:
filename, mimetype, dlna_pn = _find_thumbnail(
self.get_path())
except NoThumbnailFound:
pass
except Exception:
self.warning(traceback.format_exc())
else:
dlna_tags = simple_dlna_tags[:]
dlna_tags[
3] = 'DLNA.ORG_FLAGS=00f00000000000000000000000000000'
hash_from_path = str(id(filename))
new_res = Resource(
self.url + '?attachment=' + hash_from_path,
f'http-get:*:{mimetype}:'
f'{";".join([dlna_pn] + dlna_tags)}',
)
new_res.size = os.path.getsize(filename)
self.item.res.append(new_res)
if not hasattr(self.item, 'attachments'):
self.item.attachments = {}
self.item.attachments[hash_from_path] = utils.StaticFile(
filename)
if self.mimetype.startswith('video/'):
# check for a subtitles file
caption, _ = os.path.splitext(self.get_path())
caption = caption + '.srt'
if os.path.exists(caption):
hash_from_path = str(id(caption))
mimetype = 'smi/caption'
new_res = Resource(
self.url + '?attachment=' + hash_from_path,
f'http-get:*:{mimetype}:{"*"}',
)
new_res.size = os.path.getsize(caption)
self.caption = new_res.data
self.item.res.append(new_res)
if not hasattr(self.item, 'attachments'):
self.item.attachments = {}
self.item.attachments[hash_from_path] = utils.StaticFile(
caption,
defaultType=mimetype,
)
try:
# FIXME: getmtime is deprecated in Twisted 2.6
self.item.date = datetime.fromtimestamp(
self.location.getmtime())
except Exception:
self.item.date = None
def rebuild(self, urlbase):
# print('rebuild', self.mimetype)
if self.mimetype != 'item':
return
# print('rebuild for', self.get_path())
mimetype, _ = mimetypes.guess_type(self.get_path(), strict=False)
if mimetype is None:
return
self.mimetype = mimetype
# print('rebuild', self.mimetype)
UPnPClass = classChooser(self.mimetype)
self.item = UPnPClass(self.id, self.parent.id, self.get_name())
if getattr(self.parent, 'cover', None):
_, ext = os.path.splitext(self.parent.cover)
# add the cover image extension to help
# clients not reacting on the mimetype
self.item.albumArtURI = ''.join(
(urlbase, str(self.id), '?cover', ext))
_, host_port, _, _, _ = urlsplit(urlbase)
if host_port.find(':') != -1:
host, port = tuple(host_port.split(':'))
else:
host = host_port
res = Resource(
'file://' + quote(self.get_path()),
f'internal:{host}:{self.mimetype}:*',
)
try:
res.size = self.location.getsize()
except Exception:
res.size = 0
self.item.res.append(res)
res = Resource(self.url, f'http-get:*:{self.mimetype}:*')
try:
res.size = self.location.getsize()
except Exception:
res.size = 0
self.item.res.append(res)
try:
# FIXME: getmtime is deprecated in Twisted 2.6
self.item.date = datetime.fromtimestamp(self.location.getmtime())
except Exception:
self.item.date = None
self.parent.update_id += 1
def check_for_cover_art(self):
''' let's try to find in the current directory some jpg file,
or png if the jpg search fails, and take the first one
that comes around
'''
try:
jpgs = [
i.path for i in self.location.children()
if i.splitext()[1] in ('.jpg', '.JPG')
]
try:
self.cover = jpgs[0]
except IndexError:
pngs = [
i.path for i in self.location.children()
if i.splitext()[1] in ('.png', '.PNG')
]
try:
self.cover = pngs[0]
except IndexError:
return
except UnicodeDecodeError:
self.warning(
f'UnicodeDecodeError - there is something wrong with a ' +
f'file located in {self.location.path}')
def remove(self):
# print('FSItem remove', self.id, self.get_name(), self.parent)
if self.parent:
self.parent.remove_child(self)
del self.item
def add_child(self, child, update=False):
self.children.append(child)
self.child_count += 1
if isinstance(self.item, Container):
self.item.childCount += 1
if update:
self.update_id += 1
self.sorted = False
def remove_child(self, child):
# print(f'remove_from {self.id:d} ({self.get_name()}) '
# f'child {child.id:d} ({child.get_name()})')
if child in self.children:
self.child_count -= 1
if isinstance(self.item, Container):
self.item.childCount -= 1
self.children.remove(child)
self.update_id += 1
self.sorted = False
def get_children(self, start=0, request_count=0):
if not self.sorted:
self.children.sort(key=_natural_key)
self.sorted = True
if request_count == 0:
return self.children[start:]
else:
return self.children[start:request_count]
def get_child_count(self):
return self.child_count
def get_id(self):
return self.id
def get_update_id(self):
if hasattr(self, 'update_id'):
return self.update_id
else:
return None
def get_path(self):
if self.mimetype in ['directory', 'root']:
return None
if isinstance(self.location, FilePath):
return self.location.path
else:
return self.location
def get_realpath(self):
if isinstance(self.location, FilePath):
return self.location.path
else:
return self.location
def set_path(self, path=None, extension=None):
if path is None:
path = self.get_path()
if extension is not None:
path, old_ext = os.path.splitext(path)
path = ''.join((path, extension))
if isinstance(self.location, FilePath):
self.location = FilePath(path)
else:
self.location = path
def get_name(self):
if isinstance(self.location, FilePath):
name = self.location.basename()
else:
name = self.location
return name
def get_cover(self):
if self.cover:
return self.cover
try:
return self.parent.cover
except AttributeError:
return None
def get_parent(self):
return self.parent
def get_item(self):
return self.item
def get_xml(self):
return self.item.toString()
def __repr__(self):
return ('id: ' + str(self.id) + ' @ ' +
str(self.get_name().encode('ascii', 'xmlcharrefreplace')))
class FSItem(BackendItem):
logCategory = 'fs_item'
def __init__(self, object_id, parent, path, mimetype, urlbase, UPnPClass,update=False):
self.id = object_id
self.parent = parent
if parent:
parent.add_child(self,update=update)
if mimetype == 'root':
self.location = unicode(path)
else:
if mimetype == 'item' and path is None:
path = os.path.join(parent.get_path(),unicode(self.id))
#self.location = FilePath(unicode(path))
self.location = FilePath(path)
self.mimetype = mimetype
if urlbase[-1] != '/':
urlbase += '/'
self.url = urlbase + str(self.id)
if parent == None:
parent_id = -1
else:
parent_id = parent.get_id()
self.item = UPnPClass(object_id, parent_id, self.get_name())
if isinstance(self.item, Container):
self.item.childCount = 0
self.child_count = 0
self.children = []
if mimetype in ['directory','root']:
self.update_id = 0
self.get_url = lambda : self.url
self.get_path = lambda : None
#self.item.searchable = True
#self.item.searchClass = 'object'
if(isinstance(self.location,FilePath) and
self.location.isdir() == True):
self.check_for_cover_art()
if hasattr(self, 'cover'):
_,ext = os.path.splitext(self.cover)
""" add the cover image extension to help clients not reacting on
the mimetype """
self.item.albumArtURI = ''.join((urlbase,str(self.id),'?cover',ext))
else:
self.get_url = lambda : self.url
if self.mimetype.startswith('audio/'):
if hasattr(parent, 'cover'):
_,ext = os.path.splitext(parent.cover)
""" add the cover image extension to help clients not reacting on
the mimetype """
self.item.albumArtURI = ''.join((urlbase,str(self.id),'?cover',ext))
_,host_port,_,_,_ = urlsplit(urlbase)
if host_port.find(':') != -1:
host,port = tuple(host_port.split(':'))
else:
host = host_port
try:
size = self.location.getsize()
except:
size = 0
if mimetype != 'item':
res = Resource('file://'+ urllib.quote(self.get_path()), 'internal:%s:%s:*' % (host,self.mimetype))
res.size = size
self.item.res.append(res)
if mimetype != 'item':
res = Resource(self.url, 'http-get:*:%s:*' % self.mimetype)
else:
res = Resource(self.url, 'http-get:*:*:*')
res.size = size
self.item.res.append(res)
""" if this item is an image and we want to add a thumbnail for it
we have to follow these rules:
create a new Resource object, at least a 'http-get'
and maybe an 'internal' one too
for an JPG this looks like that
res = Resource(url_for_thumbnail,
'http-get:*:image/jpg:%s'% ';'.join(simple_dlna_tags+('DLNA.ORG_PN=JPEG_TN',)))
res.size = size_of_thumbnail
self.item.res.append(res)
and for a PNG the Resource creation is like that
res = Resource(url_for_thumbnail,
'http-get:*:image/png:%s'% ';'.join(simple_dlna_tags+('DLNA.ORG_PN=PNG_TN',)))
if not hasattr(self.item, 'attachments'):
self.item.attachments = {}
self.item.attachments[key] = utils.StaticFile(filename_of_thumbnail)
"""
if self.mimetype in ('image/jpeg', 'image/png'):
path = self.get_path()
thumbnail = os.path.join(os.path.dirname(path),'.thumbs',os.path.basename(path))
if os.path.exists(thumbnail):
mimetype,_ = mimetypes.guess_type(thumbnail, strict=False)
if mimetype in ('image/jpeg','image/png'):
if mimetype == 'image/jpeg':
dlna_pn = 'DLNA.ORG_PN=JPEG_TN'
else:
dlna_pn = 'DLNA.ORG_PN=PNG_TN'
hash_from_path = str(id(thumbnail))
new_res = Resource(self.url+'?attachment='+hash_from_path,
'http-get:*:%s:%s' % (mimetype, ';'.join(simple_dlna_tags+(dlna_pn,))))
new_res.size = os.path.getsize(thumbnail)
self.item.res.append(new_res)
if not hasattr(self.item, 'attachments'):
self.item.attachments = {}
self.item.attachments[hash_from_path] = utils.StaticFile(urllib.quote(thumbnail))
try:
# FIXME: getmtime is deprecated in Twisted 2.6
self.item.date = datetime.fromtimestamp(self.location.getmtime())
except:
self.item.date = None
def rebuild(self, urlbase):
#print "rebuild", self.mimetype
if self.mimetype != 'item':
return
#print "rebuild for", self.get_path()
mimetype,_ = mimetypes.guess_type(self.get_path(),strict=False)
if mimetype == None:
return
self.mimetype = mimetype
#print "rebuild", self.mimetype
UPnPClass = classChooser(self.mimetype)
self.item = UPnPClass(self.id, self.parent.id, self.get_name())
if hasattr(self.parent, 'cover'):
_,ext = os.path.splitext(self.parent.cover)
""" add the cover image extension to help clients not reacting on
the mimetype """
self.item.albumArtURI = ''.join((urlbase,str(self.id),'?cover',ext))
_,host_port,_,_,_ = urlsplit(urlbase)
if host_port.find(':') != -1:
host,port = tuple(host_port.split(':'))
else:
host = host_port
res = Resource('file://'+urllib.quote(self.get_path()), 'internal:%s:%s:*' % (host,self.mimetype))
try:
res.size = self.location.getsize()
except:
res.size = 0
self.item.res.append(res)
res = Resource(self.url, 'http-get:*:%s:*' % self.mimetype)
try:
res.size = self.location.getsize()
except:
res.size = 0
self.item.res.append(res)
try:
# FIXME: getmtime is deprecated in Twisted 2.6
self.item.date = datetime.fromtimestamp(self.location.getmtime())
except:
self.item.date = None
self.parent.update_id += 1
def check_for_cover_art(self):
""" let's try to find in the current directory some jpg file,
or png if the jpg search fails, and take the first one
that comes around
"""
try:
jpgs = [i.path for i in self.location.children() if i.splitext()[1] in ('.jpg', '.JPG')]
try:
self.cover = jpgs[0]
except IndexError:
pngs = [i.path for i in self.location.children() if i.splitext()[1] in ('.png', '.PNG')]
try:
self.cover = pngs[0]
except IndexError:
return
except UnicodeDecodeError:
self.warning("UnicodeDecodeError - there is something wrong with a file located in %r", self.location.path)
def remove(self):
#print "FSItem remove", self.id, self.get_name(), self.parent
if self.parent:
self.parent.remove_child(self)
del self.item
def add_child(self, child, update=False):
self.children.append(child)
self.child_count += 1
if isinstance(self.item, Container):
self.item.childCount += 1
if update == True:
self.update_id += 1
def remove_child(self, child):
#print "remove_from %d (%s) child %d (%s)" % (self.id, self.get_name(), child.id, child.get_name())
if child in self.children:
self.child_count -= 1
if isinstance(self.item, Container):
self.item.childCount -= 1
self.children.remove(child)
self.update_id += 1
def get_children(self,start=0,request_count=0):
if request_count == 0:
return self.children[start:]
else:
return self.children[start:request_count]
def get_child_count(self):
return self.child_count
def get_id(self):
return self.id
def get_update_id(self):
if hasattr(self, 'update_id'):
return self.update_id
else:
return None
def get_path(self):
if isinstance( self.location,FilePath):
return self.location.path
else:
self.location
def set_path(self,path=None,extension=None):
if path is None:
path = self.get_path()
if extension is not None:
path,old_ext = os.path.splitext(path)
path = ''.join((path,extension))
if isinstance( self.location,FilePath):
self.location = FilePath(path)
else:
self.location = path
def get_name(self):
if isinstance( self.location,FilePath):
name = self.location.basename().decode("utf-8", "replace")
else:
name = self.location.decode("utf-8", "replace")
return name
def get_cover(self):
try:
return self.cover
except:
try:
return self.parent.cover
except:
return ''
def get_parent(self):
return self.parent
def get_item(self):
return self.item
def get_xml(self):
return self.item.toString()
def __repr__(self):
return 'id: ' + str(self.id) + ' @ ' + self.get_name().encode('ascii','xmlcharrefreplace')
