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categories management system for web applications in turbogears2

Project description

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About tgapp-categories

This pluggable allow you to manage (create, read, update, delete) categories on a website. The categories cannot be nested. There are 2 images associated to every category This plugin works with both sqlalchemy and ming

Installing

tgapp-categories can be installed both from pypi or from github:

pip install tgappcategories

should just work for most of the users

Plugging tgapp-categories

In your application config/app_cfg.py import plug:

from tgext.pluggable import plug

Then at the end of the file call plug with tgappcategories:

plug(base_config, 'tgappcategories', 'categories')

You will be able to access the plugged application at http://localhost:8080/categories.

Permissions

This pluggable creates a Permission named ‘tgappcategories’, that has to be assigned to the categories management users group. You can assign it with a migration or evolution, using alembic or tgext.evolve

example of an evolution with tgext.evolve and ming:

class TgappCategories(Evolution):
"""Assigns the tgappcategories permission to Managers"""
evolution_id = 'tgapp-categories'

def evolve(self):
    log.info('TgappCategories migration running')

    g_managers = model.Group.query.find({'group_name': 'managers'}).one()

    p_tgappcategories = model.Permission.query.find(
        {'permission_name': 'tgappcategories'}).one()
    p_tgappcategories.groups = [g_managers]
    model.DBSession.flush_all()

Depot

This pluggable needs depot in order to work you can find depot at https://github.com/amol-/depot after you inserted depot into your project configure a storage called category_images example:

app_cfg['depot_backend_type'] = 'depot.io.memory.MemoryFileStorage'
app_cfg['depot.category_images.backend'] = 'depot.io.memory.MemoryFileStorage'
app_cfg['depot.category_images.prefix'] = 'category_images/'
storages = {
    'category_images': 'category_image',
}
for storage in storages:
    prefix = 'depot.%s.' % storage
    print('Configuring Storage %s*' % prefix)
    DepotManager.configure(storage, app_cfg, prefix)
    DepotManager.alias(storages[storage], storage)

Project details


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