I put the "auth.settings.extra_fields..." in my model db.by and the rest in my controller default.py.
How do I now implement them. Any thoughts? On Thursday, February 26, 2015 at 8:04:27 PM UTC-5, Leonel Câmara wrote: > > It's not very hard, here's a possibility that requires you to have pillow > <https://pillow.readthedocs.org/> installed. > > > auth.settings.extra_fields['auth_user'] = [ > Field('photo', 'upload', label=T('Photo'), uploadseparate=True, > requires=[IS_EMPTY_OR(IS_IMAGE(error_message=T('This is not an image.'))), > IS_LENGTH(maxsize=1048576)]), > Field('avatar','upload', uploadseparate=True, readable=False, writable > =False, autodelete=True, compute=lambda row: SMARTHUMB('auth_user', row. > photo, (32, 32), name='avatar')), > ] > > > > def upload_fullpath(tablename, filename, makedirs=False): > """ > Given a tablename and a filename return the full path > TODO: For now it assumes uploadseparate=True in the field definition, > could be more versatile. > """ > import os > from gluon import current > fieldname, img_uid = filename.split('.')[1:3] > path = os.path.join(current.request.folder, 'uploads', tablename + '.' > + fieldname, img_uid[:2], filename) > if makedirs: > try: > os.makedirs(os.path.dirname(path)) > except OSError: > print "Skipping creation of %s because it exists already." % > os.path.dirname(path) > return path > > > def SMARTHUMB(tablename, image, box, fit=True, name="thumbnail"): > """ > Downsample the image. > > http://www.web2pyslices.com/slice/show/1522/generate-a-thumbnail-that-fits-in-a-box > > Modified to respect uploadseparate=True differences > > @param img: Image - an Image-object > @param box: tuple(x, y) - the bounding box of the result image > @param fit: boolean - crop the image to fill the box > """ > if image: > from PIL import Image > import os > from gluon.tools import current, web2py_uuid > request = current.request > img = Image.open(upload_fullpath(tablename, image)) > #preresize image with factor 2, 4, 8 and fast algorithm > factor = 1 > while img.size[0] / factor > 2 * box[0] and img.size[1] * 2 / > factor > 2 * box[1]: > factor *= 2 > if factor > 1: > img.thumbnail((img.size[0] / factor, img.size[1] / factor), > Image.ANTIALIAS) > > #calculate the cropping box and get the cropped part > if fit: > x1 = y1 = 0 > x2, y2 = img.size > wRatio = 1.0 * x2 / box[0] > hRatio = 1.0 * y2 / box[1] > if hRatio > wRatio: > y1 = int(y2 / 2 - box[1] * wRatio / 2) > y2 = int(y2 / 2 + box[1] * wRatio / 2) > else: > x1 = int(x2 / 2 - box[0] * hRatio / 2) > x2 = int(x2 / 2 + box[0] * hRatio / 2) > img = img.crop((x1, y1, x2, y2)) > > #Resize the image with best quality algorithm ANTI-ALIAS > img = img.resize(box, Image.ANTIALIAS) > > root, ext = os.path.splitext(image) > thumbname = '%s.%s.%s.%s%s' % (tablename, name, web2py_uuid(). > replace('-', '')[-16:], web2py_uuid().replace('-', '')[-16:], ext) > img.save(upload_fullpath(tablename, thumbname, makedirs=True)) > > ... -- Resources: - http://web2py.com - http://web2py.com/book (Documentation) - http://github.com/web2py/web2py (Source code) - https://code.google.com/p/web2py/issues/list (Report Issues) --- You received this message because you are subscribed to the Google Groups "web2py-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
