ImageButler

Simple image server built on Flask.

Developed Python version: Python 3.6.

Installation

Using pip

pip install ImageButler

Configuration & Environment Variables

Create image_butler.conf referring following example:

SQLALCHEMY_DATABASE_URI = 'sqlite:////<path-to-your>/ImageButler.db'
SERVER_NAME = 'image.local-domain:5000'
REDISLITE_PATH = '<path-to-your>/ImageButler.rdb'
REDISLITE_WORKER_PID = '<path-to-your>/workers.pid'

IMAGEBUTLER_MAX_THUMBNAIL = 150, 150
IMAGEBUTLER_API_IMAGES_LIMIT = 5
IMAGEBUTLER_MAX_IMAGE_SIZE = '1M'

Export environment variables:

export FLASK_APP=imagebutler
export IMAGEBUTLER_CONFIGS=path/to/your/image_butler.conf

For others configuration please referring to documents of Flask, Flask-Login, Flask-SQLAlchemy... (please check requirements.txt).

Database Init

flask db init
flask db migrate
flask db upgrade

Note: - For MySQL and MariaDB please don't create your database in utf8_bin collate since it will break the application. - Also for MySQL and MariaDB, after run the migrate command, go and edit your migrations/versions/<some-hex>_.py

from sqlalchemy.dialects.mysql import LONGBLOB
# ...
# ... replace the old fileContent line with
sa.Column('fileContent', LONGBLOB(), nullable=False),
# ...

Run

flask run

User management

flask user create your@email.address
flask user get your@email.address
flask user change_pass your@email.address

Upload image

For example we use cURL to upload the image.

curl -X PUT \
    http://image.local-domain:5000/api/v0/image \
    -H 'content-type: multipart/form-data' \
    -F 'file=@/path/to/your/image.png;type=image/png' \
    -F username=1a339c02-404a-4b66-9fbb-cb30fb417c14 \
    -F 'password=knwAAOfLBcnkWzGxo0G/ZUzq9ukLb+gf5H/1nmPr7BE+im03qZarW4TvwVepYmi/cg9dEw+N4HDfLqQRfXBSdNawy7YkOQgwOYiRRq3t2PSjYd+Pme4SrMWUE1BYW5rt' \
    -F 'description=Image #1'

We got the result:

{
    "return": {
        "success": {
            "file_name": "ca4ffe9f192f4f358e4981ceaafd8068.jpg",
            "path": "/serve/image/1/ca4ffe9f192f4f358e4981ceaafd8068.jpg",
            "thumbnail": "/serve/thumbnail/1/ca4ffe9f192f4f358e4981ceaafd8068.jpg",
            "description": "Dog's Image"
        }
    }
}

You can go to http://image.local-domain:5000/serve/image/1/ca4ffe9f192f4f358e4981ceaafd8068.jpg to see your image.

Update your image's description

curl -X POST \
      http://image.local-domain:5000/api/v0/image \
      -H 'content-type: application/json' \
      -d '{
        "username": "1a339c02-404a-4b66-9fbb-cb30fb417c14",
        "password": "knwAAOfLBcnkWzGxo0G/ZUzq9ukLb+gf5H/1nmPr7BE+im03qZarW4TvwVepYmi/cg9dEw+N4HDfLqQRfXBSdNawy7YkOQgwOYiRRq3t2PSjYd+Pme4SrMWUE1BYW5rt",
        "filename": "ca4ffe9f192f4f358e4981ceaafd8068.jpg",
        "description": "Cat's image"
    }'

Then we got the similar result of create new image:

{
    "return": {
        "success": {
            "file_name": "ca4ffe9f192f4f358e4981ceaafd8068.jpg",
            "path": "/serve/image/1/ca4ffe9f192f4f358e4981ceaafd8068.jpg",
            "thumbnail": "/serve/thumbnail/1/ca4ffe9f192f4f358e4981ceaafd8068.jpg",
            "description": "Cat's Image"
        }
    }
}

Delete an image

curl -X DELETE \
      http://image.local-domain:5000/api/v0/image \
      -H 'content-type: application/json' \
      -d '{
        "username": "1a339c02-404a-4b66-9fbb-cb30fb417c14",
        "password": "knwAAOfLBcnkWzGxo0G/ZUzq9ukLb+gf5H/1nmPr7BE+im03qZarW4TvwVepYmi/cg9dEw+N4HDfLqQRfXBSdNawy7YkOQgwOYiRRq3t2PSjYd+Pme4SrMWUE1BYW5rt",
        "filename": "ca4ffe9f192f4f358e4981ceaafd8068.jpg",
    }'

Get your images

curl -X POST \
    http://image.local-domain:5000/api/v0/images \
    -H 'content-type: application/json' \
    -d {
        "username": "1a339c02-404a-4b66-9fbb-cb30fb417c14",
        "password": "knwAAOfLBcnkWzGxo0G/ZUzq9ukLb+gf5H/1nmPr7BE+im03qZarW4TvwVepYmi/cg9dEw+N4HDfLqQRfXBSdNawy7YkOQgwOYiRRq3t2PSjYd+Pme4SrMWUE1BYW5rt",
        "page": 1
    }