def from_file(filename, page, fileobj=None, newpath=None, upload=None, **kwargs):
if not newpath:
newpath = g.images_path
# We dont' want drive letters or other path elements showing up here...
# Unfortunately, basename only handles path seperators from the
# platform it's running on (ie. on unix, it fails to handle windows
# paths, so we have to convert the path seperators to match the local
# platform.
from communityalmanac.lib.helpers import normalize_filename
filename = normalize_filename(filename)
_, ext = os.path.splitext(filename)
mimetype, _ = mimetypes.guess_type(filename)
if not mimetype.startswith('image/'):
raise ValueError(u'Invalid image file %s' % filename)
if upload is not None:
upload.make_file()
fileobj = upload.file
assert fileobj is not None, 'Programming error: file object not set'
image_data = fileobj.read()
new_uuid = str(uuid.uuid4())
path = os.path.join(newpath, new_uuid) + ext
with open(path, 'w') as f:
f.write(image_data)
image = Image(**kwargs)
page.media.append(image)
image.order = len(page.media)
image.path = path
image.create_scales(newpath)
image.filename = filename
return image
