joarleymoraes

from pynamodb.attributes import UnicodeAttribute
from pynamodb.models import Model
from pynamodb.indexes import LocalSecondaryIndex, AllProjection

class SimpleIndex(LocalSecondaryIndex):
    class Meta:
        projection = AllProjection()

    id = UnicodeAttribute(hash_key=True)
    common_field = UnicodeAttribute(range_key=True)

joarleymoraes

import dlib
import os
from skimage import io

training_xml_path = '/tmp/faces/training.xml'
testing_xml_path = '/tmp/faces/testing.xml'
predictor_out_path = '/tmp/predictor.dat'

predictor_options = dlib.shape_predictor_training_options()
predictor_options.be_verbose = True

joarleymoraes

<img src="https://example.com/?w=100&h=100&q=50" 
     alt="I will load from another domain">

joarleymoraes

@app.after_request
def add_header(response):
    if response.status_code == 200:
        response.cache_control.max_age = CACHE_MAX_AGE
        response.cache_control.public = True
    return response

joarleymoraes

def image_transform(filename, ops):
    
    (...)

    with Image(filename=filename) as src:
        with src.clone() as img:
            if 'w' in ops and 'h' in ops:
                w, h = int(ops['w']), int(ops['h']),
                img.resize(w, h)
            elif 'w' in ops:

joarleymoraes

@app.route('/<s3_key>', methods=['GET'])
def transform(s3_key):
    ops = request.args.to_dict()

    img_filename = s3.download(BUCKET, s3_key)

    if img_filename:
        output_img = image_transform(img_filename, ops)
    else:
        abort(404)