def build_preview(origpath, preview, thumbnail):
try:
os.makedirs(dirname(preview))
except OSError as exception:
if exception.errno != errno.EEXIST:
raise
try:
with open(preview, "w") as out, Preview(origpath) as img:
if thumbnail:
out.write(img.read_jpeg_preview(0)) # The smallest available
else:
out.write(img.read_jpeg_preview(-1)) # The largest available
orientation = img.Orientation
# XBMC no interpreta el exif del tif. Sacamos el JPEG embebido
# Commented out because for some reason it is failing
# in the rspbrry pi
# try:
# subprocess.call(
# ["exiv2", preview,
# "-Mset Exif.Image.Orientation %s" % orientation],
# stderr=FNULL)
# except:
# logging.debug("Unable to set Orientation information")
logging.debug("Built %s preview" % preview)
return (preview, orientation)
except:
os.unlink(preview)
raise
def get_file_preview(path):
path = unquote(path)
logging.debug("get_preview %s" % path)
path = join(root, path)
(preview, orientation) = get_preview(path, return_orientation=True)
# Using relpath is very inefficient here, so we don't do it
return (preview[len(root):], orientation)
def jpeg(path):
logging.debug("jpeg %s" % path)
preview_path, orientation = get_file_preview(path)
filedir = join(root, dirname(preview_path))
filename = basename(preview_path)
res = static_file(filename, root=filedir)
res.set_header('Orientation', orientation)
res.set_header('Content-Type', 'image/jpeg')
return res
def thumb(path):
logging.debug("thumb %s" % path)
thumb_path, orientation, file_type = get_thumb(path)
filedir = join(root, dirname(thumb_path))
filename = basename(thumb_path)
res = static_file(filename, root=filedir)
res.set_header('Orientation', orientation)
res.set_header('Content-Type', 'image/jpeg')
return res
def get_thumb(path):
path = unquote(path)
logging.debug("get_thumb %s" % path)
path = join(root, path)
try:
# TODO Might be worth avoiding this isdir check
if isdir(path):
return get_dir_thumb(path) + (DIR,)
elif isfile(path):
return get_file_thumb(path) + (FILE,)
else:
return ('', 0, None)
except Exception as e:
logging.warning(
"Failed to retrieve a thumbnail for %s: %s" % (path, e))
return ("", 0, None)
def get_dir_thumb(path):
logging.debug("get_dir_thumb %s" % path)
try:
listdir = os.listdir(path)
if ".nomedia" in listdir:
raise HiddenError
# splitext is very inefficient here, so we don't use it
img = [de for de in listdir
if de[-4:].lower() in ('.dng', '.jpg', 'jpeg')][0]
res = get_file_thumb(join(path, img))
logging.debug("Got result %s %s" % res)
return res
except (PreviewError, IndexError):
# No proper images in the directory.
# Recurse into the subdirectories
dirlist = [d for d in os.listdir(path)
if isdir(join(path, d))]
d = dirlist.pop(0)
while(d):
try:
return get_dir_thumb(join(path, d))
except (PreviewError, IndexError):
d = dirlist.pop(0)
def folder(path):
path = unquote(path)
logging.debug("folder %s" % path)
realpath = join(root, path, '')
response.content_type = 'text/utf-8'
yield dumps({'dir': path})+'\n'
direntries = []
for de in os.listdir(realpath):
thumb_path, orientation, file_type = get_thumb(join(realpath, de))
if thumb_path:
direntries.append([de, orientation, file_type])
direntries = sorted([t for t in direntries if t[2] == DIR], reverse=True)\
+ sorted([t for t in direntries if t[2] == FILE])
for t in direntries:
de, orientation, file_type = t
s = dumps([de, orientation, file_type])+'\n'
logging.debug(s)
yield s
def add(self, path):
logging.debug("Blacklisting %s" % path)
self.bl[path] = os.path.getmtime(path)
self._save()
def set(self, path, orientation):
logging.debug("Setting orientation %d for %s" % (orientation, path))
self.o[path] = orientation
self._save()
def file(path):
path = unquote(path)
logging.debug("file %s" % path)
filedir = join(root, dirname(path))
filename = basename(path)
return static_file(filename, root=filedir)
def get_root():
logging.debug("get_root")
return folder('')
def get_file_thumb(path):
logging.debug("get_file_thumb %s" % path)
(thumb, orientation) = get_preview(path, thumbnail=True,
return_orientation=True)
# Using relpath is very inefficient here, so we don't do it
return (thumb[len(root):], orientation)
