def _get_options(self, version_suffix, extra_options=None):
options = dict(VERSIONS.get(version_suffix, {}))
if extra_options:
options.update(extra_options)
if 'size' in options and 'width' not in options:
width, height = options['size']
options['width'] = width
options['height'] = height
return options
def _get_options(self, version_suffix, extra_options=None):
options = dict(VERSIONS.get(version_suffix, {}))
if extra_options:
options.update(extra_options)
if 'size' in options and 'width' not in options:
width, height = options['size']
options['width'] = width
options['height'] = height
return options
def _get_namer(self, version_suffix, file_object=None, **extra_options):
if not file_object:
file_object = self.F_IMAGE
extra_options.update(VERSIONS.get(version_suffix, {}))
return self.NAMER_CLASS(
file_object=file_object,
version_suffix=version_suffix,
filename_root=file_object.filename_root,
extension=file_object.extension,
options=extra_options,
)
def _get_namer(self, version_suffix, file_object=None, **extra_options):
if not file_object:
file_object = self.F_IMAGE
extra_options.update(VERSIONS.get(version_suffix, {}))
return self.NAMER_CLASS(
file_object=file_object,
version_suffix=version_suffix,
filename_root=file_object.filename_root,
extension=file_object.extension,
options=extra_options,
)
def _generate_version(self, version_path, version_suffix, options):
"""
Generate Version for an Image.
value has to be a path relative to the storage location.
"""
tmpfile = File(tempfile.NamedTemporaryFile())
try:
f = self.site.storage.open(self.path)
except IOError:
return ""
im = Image.open(f)
version_dir, version_basename = os.path.split(version_path)
root, ext = os.path.splitext(version_basename)
version = process_image(im, options)
if not version:
version = im
if 'methods' in options:
for m in options['methods']:
if callable(m):
version = m(version)
# IF need Convert RGB
if ext in [".jpg", ".jpeg"] and version.mode not in ("L", "RGB"):
version = version.convert("RGB")
# save version
quality = VERSIONS.get(version_suffix, {}).get("quality",
VERSION_QUALITY)
try:
version.save(
tmpfile,
format=Image.EXTENSION[ext.lower()],
quality=quality,
optimize=(os.path.splitext(version_path)[1] != '.gif'))
except IOError:
version.save(tmpfile,
format=Image.EXTENSION[ext.lower()],
quality=quality)
# remove old version, if any
if version_path != self.site.storage.get_available_name(version_path):
self.site.storage.delete(version_path)
self.site.storage.save(version_path, tmpfile)
# set permissions
if DEFAULT_PERMISSIONS is not None:
os.chmod(self.site.storage.path(version_path), DEFAULT_PERMISSIONS)
return version_path
def render(self, name, value, attrs=None, renderer=None):
if value is None:
value = ""
if value != "" and not isinstance(value, FileObject):
value = FileObject(value, site=self.site)
final_attrs = self.build_attrs(attrs, extra_attrs={"type": self.input_type, "name": name})
final_attrs['data-extensions'] = json.dumps(self.extensions)
final_attrs['data-thumbnail_size'] = "{}"
if self.thumbnail:
final_attrs['data-thumbnail'] = self.thumbnail
fb_version = VERSIONS.get(self.thumbnail, None)
if fb_version:
final_attrs['data-thumbnail_size'] = json.dumps(dict(
width=fb_version['width'],
height=fb_version['height']
))
filebrowser_site = self.site
allowed_title = _('Allowed')
return render_to_string("uploadfield/uploadfield_widget.html", locals())
