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cs-django-thumbnails-0.3.6
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مشاهده بیشتر
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مشاهده بیشتر
تبلیغات ما
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مشاهده بیشتر
تبلیغات ما
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مشاهده بیشترتوضیحات
A simple Django app to manage image/photo thumbnails. Supports remote/cloud storage systems like Amazon S3.
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | cs-django-thumbnails-0.3.6 |
| نام | cs-django-thumbnails |
| نسخه کتابخانه | 0.3.6 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Selwin Ong |
| ایمیل نویسنده | selwin.ong@gmail.com |
| آدرس صفحه اصلی | https://github.com/Leonime/cs_django_thumbnails |
| آدرس اینترنتی | https://pypi.org/project/cs-django-thumbnails/ |
| مجوز | MIT |
|Build Status|
Design:
* Uses Django Storage API
* Uses flexible meta data store. Supports DB and Redis backend.
Installation
------------
* Add `thumbnails` to `INSTALLED_APPS` in `settings.py`.
* Run `python manage.py migrate` to create database metadata backend.
Usage
-----
settings.py:
.. code-block:: python
THUMBNAILS = {
'METADATA': {
'BACKEND': 'thumbnails.backends.metadata.DatabaseBackend',
},
'STORAGE': {
'BACKEND': 'django.core.files.storage.FileSystemStorage',
# You can also use Amazon S3 or any other Django storage backends
},
'SIZES': {
'small': {
'PROCESSORS': [
{'PATH': 'thumbnails.processors.resize', 'width': 10, 'height': 10},
{'PATH': 'thumbnails.processors.crop', 'width': 80, 'height': 80}
],
'POST_PROCESSORS': [
{
{'PATH': 'thumbnails.post_processors.optimize', 'png_command': 'optipng %(filename)s'},
},
],
},
'large': {
'PROCESSORS': [
{'PATH': 'thumbnails.processors.resize', 'width': 20, 'height': 20},
{'PATH': 'thumbnails.processors.flip', 'direction': 'horizontal'}
],
}
}
}
If you prefer to use Redis as your metadata storage backend (like I do :):
.. code-block:: python
THUMBNAILS = {
'METADATA': {
'PREFIX': 'thumbs',
'BACKEND': 'thumbnails.backends.metadata.RedisBackend',
'db': 2,
'port': 6379,
'host': 'localhost',
},
}
In python:
.. code-block:: python
from thumbnails.fields import ImageField
class Food(models.Model):
image = ImageField()
food = Food.objects.latest('id')
food.image.thumbnails.all()
food.image.thumbnails.small # Generates "small" sized thumbnail
food.image.thumbnails.large # Generates "large" sized thumbnail
food.image.thumbnails.small.url # Returns "small" sized thumbnail URL
`django-thumbnails` comes with a few builtin image processors::
# To use the following processors, put the arguments of processors in SIZES definition
thumbnails.processors.resize(width, height)
thumbnails.processors.rotate(degrees)
thumbnails.processors.flip(direction)
thumbnails.processors.crop(width, height, center)
Processors are applied sequentially in the same order of definition.
Performance
-----------
If you need to fetch multiple thumbnails at once, use ``fetch`` function for better performance. ``fetch`` uses Redis pipeline to retrieve thumbnail metadata in one go, avoiding multiple round trips to Redis.
.. code-block:: python
from thumbnails.field import fetch_thumbnails
food_a = Food.objects.get(id=1)
food_b = Food.objects.get(id=2)
fetch_thumbnails([food_a.image, food_b.image], ['small', 'large'])
This way, when we get thumbnails like `thumbnail1.size_small` or even `thumbnail1.all()` we won't query to `redis` anymore.
This feature is currently only available for `RedisBackend`.
Management Commands
-------------------
If you changed your size definition and want to regenerate the thumbnails, use::
python manage.py delete_thumbnails --model=app.Model --size=thumbnail_size_to_delete
Running Tests
-------------
To run tests::
`which django-admin.py` test thumbnails --settings=thumbnails.tests.settings --pythonpath=.
=========
Changelog
=========
Version 0.3.6
-------------
* Just some code cleanup nothing changed.
* Fixed wrong config on Readme.
Version 0.3.5
-------------
* Dropped support for python 3.5
* Dropped support for Django versions: 2.0, 2.1 (it still works just dropping further development.)
Version 0.3.4
-------------
* Removed support for python 2.
* Fixed project breaking if redis not installed.
* Fixed breaking on wrong configuration.
* Added support for django 3.
Version 0.3.3
-------------
* Just made small changes to check things out
Version 0.3.2
-------------
* Fixed another bug in `fetch_thumbnails()` bug. Thanks @marsha97!
Version 0.3.1
-------------
* Fixed `fetch_thumbnails()` bug. Thanks @marsha97!
Version 0.3.0
-------------
* Added `fetch_thumbnails()` command to fetch multiple thumbnail metadata from Redis. Thanks @marsha97!
Version 0.2.2
-------------
* Fixed `RedisBackend.get_thumbnail()` bug that may cause excessive trips to Redis. Thanks @marsha97!
Version 0.2.1
-------------
* Add support for Django 1.11, 2.0 and 2.1
Version 0.2.0
-------------
* Improves performance on fields that have a large number of thumbnails
* Add support for Django 1.8, 1.9 and 1.10
Version 0.1.3
-------------
* Fixes deprecation warning in Django 1.8
Version 0.1.2
-------------
* Fixes deprecation warning in Django 1.8
Version 0.1.1
-------------
* Use `shortuuid <https://github.com/stochastic-technologies/shortuuid>`_ instead of `uuid4()` to be more space efficient
Version 0.1.0
-------------
* First public release
As of February 2015, this library is suitable for production use and has been used for more than a year in `Stamps <http://stamps.co.id>`_, an Indonesian based CRM/loyalty system.
.. |Build Status| image:: https://travis-ci.org/ui/django-thumbnails.png?branch=master
:target: https://travis-ci.org/ui/django-thumbnails
نیازمندی
| مقدار | نام |
|---|---|
| - | django |
| - | da-vinci |
| - | shortuuid |
نحوه نصب
نصب پکیج whl cs-django-thumbnails-0.3.6:
pip install cs-django-thumbnails-0.3.6.whl
نصب پکیج tar.gz cs-django-thumbnails-0.3.6:
pip install cs-django-thumbnails-0.3.6.tar.gz