bitbake: toaster: add django-aggregate-if

Import library that provides conditional aggregates
in Django. The tests are removed as they conflict
with the Django startup.

The sources are
https://github.com/henriquebastos/django-aggregate-if

Licence is MIT

(Bitbake rev: 016b416fd0eaeab648a588053a2ee1f41bc02a84)

Signed-off-by: Alexandru DAMIAN <alexandru.damian@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/toaster/contrib/django-aggregate-if-master/.gitignore

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+*.pyc
+*.swp
+*.swo
+*.kpf
+*.egg-info/
+.idea
+.tox
+tmp/
+dist/
+.DS_Store

bitbake/lib/toaster/contrib/django-aggregate-if-master/.travis.yml

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+language: python
+python:
+  - "2.7"
+  - "3.4"
+services:
+  - mysql
+  - postgresql
+env:
+  - DJANGO=1.4 DB=sqlite
+  - DJANGO=1.4 DB=mysql
+  - DJANGO=1.4 DB=postgres
+  - DJANGO=1.5 DB=sqlite
+  - DJANGO=1.5 DB=mysql
+  - DJANGO=1.5 DB=postgres
+  - DJANGO=1.6 DB=sqlite
+  - DJANGO=1.6 DB=mysql
+  - DJANGO=1.6 DB=postgres
+  - DJANGO=1.7 DB=sqlite
+  - DJANGO=1.7 DB=mysql
+  - DJANGO=1.7 DB=postgres
+
+matrix:
+  exclude:
+    - python: "3.4"
+      env: DJANGO=1.4 DB=sqlite
+    - python: "3.4"
+      env: DJANGO=1.4 DB=mysql
+    - python: "3.4"
+      env: DJANGO=1.4 DB=postgres
+    - python: "3.4"
+      env: DJANGO=1.5 DB=sqlite
+    - python: "3.4"
+      env: DJANGO=1.5 DB=mysql
+    - python: "3.4"
+      env: DJANGO=1.5 DB=postgres
+    - python: "3.4"
+      env: DJANGO=1.6 DB=mysql
+    - python: "3.4"
+      env: DJANGO=1.7 DB=mysql
+
+before_script:
+  - mysql -e 'create database aggregation;'
+  - psql -c 'create database aggregation;' -U postgres
+install:
+  - pip install six
+  - if [ "$DB" == "mysql" ]; then pip install mysql-python; fi
+  - if [ "$DB" == "postgres" ]; then pip install psycopg2; fi
+  - pip install -q Django==$DJANGO --use-mirrors
+script:
+  - ./runtests.py --settings=tests.test_$DB

bitbake/lib/toaster/contrib/django-aggregate-if-master/LICENSE

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+The MIT License
+
+Copyright (c) 2012 Henrique Bastos
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

bitbake/lib/toaster/contrib/django-aggregate-if-master/README.rst

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+Django Aggregate If: Condition aggregates for Django
+====================================================
+
+.. image:: https://travis-ci.org/henriquebastos/django-aggregate-if.png?branch=master
+    :target: https://travis-ci.org/henriquebastos/django-aggregate-if
+    :alt: Test Status
+
+.. image:: https://landscape.io/github/henriquebastos/django-aggregate-if/master/landscape.png
+    :target: https://landscape.io/github/henriquebastos/django-aggregate-if/master
+    :alt: Code Helth
+
+.. image:: https://pypip.in/v/django-aggregate-if/badge.png
+    :target: https://crate.io/packages/django-aggregate-if/
+    :alt: Latest PyPI version
+
+.. image:: https://pypip.in/d/django-aggregate-if/badge.png
+    :target: https://crate.io/packages/django-aggregate-if/
+    :alt: Number of PyPI downloads
+
+*Aggregate-if* adds conditional aggregates to Django.
+
+Conditional aggregates can help you reduce the ammount of queries to obtain
+aggregated information, like statistics for example.
+
+Imagine you have a model ``Offer`` like this one:
+
+.. code-block:: python
+
+    class Offer(models.Model):
+        sponsor = models.ForeignKey(User)
+        price = models.DecimalField(max_digits=9, decimal_places=2)
+        status = models.CharField(max_length=30)
+        expire_at = models.DateField(null=True, blank=True)
+        created_at = models.DateTimeField(auto_now_add=True)
+        updated_at = models.DateTimeField(auto_now=True)
+
+        OPEN = "OPEN"
+        REVOKED = "REVOKED"
+        PAID = "PAID"
+
+Let's say you want to know:
+
+#. How many offers exists in total;
+#. How many of them are OPEN, REVOKED or PAID;
+#. How much money was offered in total;
+#. How much money is in OPEN, REVOKED and PAID offers;
+
+To get these informations, you could query:
+
+.. code-block:: python
+
+    from django.db.models import Count, Sum
+
+    Offer.objects.count()
+    Offer.objects.filter(status=Offer.OPEN).aggregate(Count('pk'))
+    Offer.objects.filter(status=Offer.REVOKED).aggregate(Count('pk'))
+    Offer.objects.filter(status=Offer.PAID).aggregate(Count('pk'))
+    Offer.objects.aggregate(Sum('price'))
+    Offer.objects.filter(status=Offer.OPEN).aggregate(Sum('price'))
+    Offer.objects.filter(status=Offer.REVOKED).aggregate(Sum('price'))
+    Offer.objects.filter(status=Offer.PAID).aggregate(Sum('price'))
+
+In this case, **8 queries** were needed to retrieve the desired information.
+
+With conditional aggregates you can get it all with only **1 query**:
+
+.. code-block:: python
+
+    from django.db.models import Q
+    from aggregate_if import Count, Sum
+
+    Offer.objects.aggregate(
+        pk__count=Count('pk'),
+        pk__open__count=Count('pk', only=Q(status=Offer.OPEN)),
+        pk__revoked__count=Count('pk', only=Q(status=Offer.REVOKED)),
+        pk__paid__count=Count('pk', only=Q(status=Offer.PAID)),
+        pk__sum=Sum('price'),
+        pk__open__sum=Sum('price', only=Q(status=Offer.OPEN)),
+        pk__revoked__sum=Sum('price'), only=Q(status=Offer.REVOKED)),
+        pk__paid__sum=Sum('price'), only=Q(status=Offer.PAID))
+    )
+
+Installation
+------------
+
+*Aggregate-if* works with Django 1.4, 1.5, 1.6 and 1.7.
+
+To install it, simply:
+
+.. code-block:: bash
+
+    $ pip install django-aggregate-if
+
+Inspiration
+-----------
+
+There is a 5 years old `ticket 11305`_ that will (*hopefully*) implement this feature into
+Django 1.8.
+
+Using Django 1.6, I still wanted to avoid creating custom queries for very simple
+conditional aggregations. So I've cherry picked those ideas and others from the
+internet and built this library.
+
+This library uses the same API and tests proposed on `ticket 11305`_, so when the
+new feature is available you can easily replace ``django-aggregate-if``.
+
+Limitations
+-----------
+
+Conditions involving joins with aliases are not supported yet. If you want to
+help adding this feature, you're welcome to check the `first issue`_.
+
+Contributors
+------------
+
+* `Henrique Bastos <http://github.com/henriquebastos>`_
+* `Iuri de Silvio <https://github.com/iurisilvio>`_
+* `Hampus Stjernhav <https://github.com/champ>`_
+* `Bradley Martsberger <https://github.com/martsberger>`_
+* `Markus Bertheau <https://github.com/mbertheau>`_
+* `end0 <https://github.com/end0>`_
+* `Scott Sexton <https://github.com/scottsexton>`_
+* `Mauler <https://github.com/mauler>`_
+* `trbs <https://github.com/trbs>`_
+
+Changelog
+---------
+
+0.5
+    - Support for Django 1.7
+
+0.4
+    - Use tox to run tests.
+    - Add support for Django 1.6.
+    - Add support for Python3.
+    - The ``only`` parameter now freely supports joins independent of the main query.
+    - Adds support for alias relabeling permitting excludes and updates with aggregates filtered on remote foreign key relations.
+
+0.3.1
+    - Fix quotation escaping.
+    - Fix boolean casts on Postgres.
+
+0.2
+    - Fix postgres issue with LIKE conditions.
+
+0.1
+    - Initial release.
+
+
+License
+=======
+
+The MIT License.
+
+.. _ticket 11305: https://code.djangoproject.com/ticket/11305
+.. _first issue: https://github.com/henriquebastos/django-aggregate-if/issues/1

bitbake/lib/toaster/contrib/django-aggregate-if-master/aggregate_if.py

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+# coding: utf-8
+'''
+Implements conditional aggregates.
+
+This code was based on the work of others found on the internet:
+
+1. http://web.archive.org/web/20101115170804/http://www.voteruniverse.com/Members/jlantz/blog/conditional-aggregates-in-django
+2. https://code.djangoproject.com/ticket/11305
+3. https://groups.google.com/forum/?fromgroups=#!topic/django-users/cjzloTUwmS0
+4. https://groups.google.com/forum/?fromgroups=#!topic/django-users/vVprMpsAnPo
+'''
+from __future__ import unicode_literals
+import six
+import django
+from django.db.models.aggregates import Aggregate as DjangoAggregate
+from django.db.models.sql.aggregates import Aggregate as DjangoSqlAggregate
+
+
+VERSION = django.VERSION[:2]
+
+
+class SqlAggregate(DjangoSqlAggregate):
+    conditional_template = '%(function)s(CASE WHEN %(condition)s THEN %(field)s ELSE null END)'
+
+    def __init__(self, col, source=None, is_summary=False, condition=None, **extra):
+        super(SqlAggregate, self).__init__(col, source, is_summary, **extra)
+        self.condition = condition
+
+    def relabel_aliases(self, change_map):
+        if VERSION < (1, 7):
+            super(SqlAggregate, self).relabel_aliases(change_map)
+        if self.has_condition:
+            condition_change_map = dict((k, v) for k, v in \
+                change_map.items() if k in self.condition.query.alias_map
+            )
+            self.condition.query.change_aliases(condition_change_map)
+
+    def relabeled_clone(self, change_map):
+        self.relabel_aliases(change_map)
+        return super(SqlAggregate, self).relabeled_clone(change_map)
+
+    def as_sql(self, qn, connection):
+        if self.has_condition:
+            self.sql_template = self.conditional_template
+            self.extra['condition'] = self._condition_as_sql(qn, connection)
+
+        return super(SqlAggregate, self).as_sql(qn, connection)
+
+    @property
+    def has_condition(self):
+        # Warning: bool(QuerySet) will hit the database
+        return self.condition is not None
+
+    def _condition_as_sql(self, qn, connection):
+        '''
+        Return sql for condition.
+        '''
+        def escape(value):
+            if isinstance(value, bool):
+                value = str(int(value))
+            if isinstance(value, six.string_types):
+                # Escape params used with LIKE
+                if '%' in value:
+                    value = value.replace('%', '%%')
+                # Escape single quotes
+                if "'" in value:
+                    value = value.replace("'", "''")
+                # Add single quote to text values
+                value = "'" + value + "'"
+            return value
+
+        sql, param = self.condition.query.where.as_sql(qn, connection)
+        param = map(escape, param)
+
+        return sql % tuple(param)
+
+
+class SqlSum(SqlAggregate):
+    sql_function = 'SUM'
+
+
+class SqlCount(SqlAggregate):
+    is_ordinal = True
+    sql_function = 'COUNT'
+    sql_template = '%(function)s(%(distinct)s%(field)s)'
+    conditional_template = '%(function)s(%(distinct)sCASE WHEN %(condition)s THEN %(field)s ELSE null END)'
+
+    def __init__(self, col, distinct=False, **extra):
+        super(SqlCount, self).__init__(col, distinct=distinct and 'DISTINCT ' or '', **extra)
+
+
+class SqlAvg(SqlAggregate):
+    is_computed = True
+    sql_function = 'AVG'
+
+
+class SqlMax(SqlAggregate):
+    sql_function = 'MAX'
+
+
+class SqlMin(SqlAggregate):
+    sql_function = 'MIN'
+
+
+class Aggregate(DjangoAggregate):
+    def __init__(self, lookup, only=None, **extra):
+        super(Aggregate, self).__init__(lookup, **extra)
+        self.only = only
+        self.condition = None
+
+    def _get_fields_from_Q(self, q):
+        fields = []
+        for child in q.children:
+            if hasattr(child, 'children'):
+                fields.extend(self._get_fields_from_Q(child))
+            else:
+                fields.append(child)
+        return fields
+
+    def add_to_query(self, query, alias, col, source, is_summary):
+        if self.only:
+            self.condition = query.model._default_manager.filter(self.only)
+            for child in self._get_fields_from_Q(self.only):
+                field_list = child[0].split('__')
+                # Pop off the last field if it's a query term ('gte', 'contains', 'isnull', etc.)
+                if field_list[-1] in query.query_terms:
+                    field_list.pop()
+                # setup_joins have different returns in Django 1.5 and 1.6, but the order of what we need remains.
+                result = query.setup_joins(field_list, query.model._meta, query.get_initial_alias(), None)
+                join_list = result[3]
+
+                fname = 'promote_alias_chain' if VERSION < (1, 5) else 'promote_joins'
+                args = (join_list, True) if VERSION < (1, 7) else (join_list,)
+
+                promote = getattr(query, fname)
+                promote(*args)
+
+        aggregate = self.sql_klass(col, source=source, is_summary=is_summary, condition=self.condition, **self.extra)
+        query.aggregates[alias] = aggregate
+
+
+class Sum(Aggregate):
+    name = 'Sum'
+    sql_klass = SqlSum
+
+
+class Count(Aggregate):
+    name = 'Count'
+    sql_klass = SqlCount
+
+
+class Avg(Aggregate):
+    name = 'Avg'
+    sql_klass = SqlAvg
+
+
+class Max(Aggregate):
+    name = 'Max'
+    sql_klass = SqlMax
+
+
+class Min(Aggregate):
+    name = 'Min'
+    sql_klass = SqlMin

bitbake/lib/toaster/contrib/django-aggregate-if-master/runtests.py

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+#!/usr/bin/env python
+
+import os
+import sys
+from optparse import OptionParser
+
+
+def parse_args():
+    parser = OptionParser()
+    parser.add_option('-s', '--settings', help='Define settings.')
+    parser.add_option('-t', '--unittest', help='Define which test to run. Default all.')
+    options, args = parser.parse_args()
+
+    if not options.settings:
+        parser.print_help()
+        sys.exit(1)
+
+    if not options.unittest:
+        options.unittest = ['aggregation']
+
+    return options
+
+
+def get_runner(settings_module):
+    '''
+    Asks Django for the TestRunner defined in settings or the default one.
+    '''
+    os.environ['DJANGO_SETTINGS_MODULE'] = settings_module
+
+    import django
+    from django.test.utils import get_runner
+    from django.conf import settings
+
+    if hasattr(django, 'setup'):
+        django.setup()
+
+    return get_runner(settings)
+
+
+def runtests():
+    options = parse_args()
+    TestRunner = get_runner(options.settings)
+    runner = TestRunner(verbosity=1, interactive=True, failfast=False)
+    sys.exit(runner.run_tests([]))
+
+
+if __name__ == '__main__':
+    runtests()

bitbake/lib/toaster/contrib/django-aggregate-if-master/setup.py

@@ -0,0 +1,33 @@
+# coding: utf-8
+from setuptools import setup
+import os
+
+
+setup(name='django-aggregate-if',
+      version='0.5',
+      description='Conditional aggregates for Django, just like the famous SumIf in Excel.',
+      long_description=open(os.path.join(os.path.dirname(__file__), "README.rst")).read(),
+      author="Henrique Bastos", author_email="henrique@bastos.net",
+      license="MIT",
+      py_modules=['aggregate_if'],
+      install_requires=[
+          'six>=1.6.1',
+      ],
+      zip_safe=False,
+      platforms='any',
+      include_package_data=True,
+      classifiers=[
+          'Development Status :: 5 - Production/Stable',
+          'Framework :: Django',
+          'Intended Audience :: Developers',
+          'License :: OSI Approved :: MIT License',
+          'Natural Language :: English',
+          'Operating System :: OS Independent',
+          'Programming Language :: Python',
+          'Programming Language :: Python :: 2.7',
+          'Programming Language :: Python :: 3',
+          'Topic :: Database',
+          'Topic :: Software Development :: Libraries',
+      ],
+      url='http://github.com/henriquebastos/django-aggregate-if/',
+)

bitbake/lib/toaster/contrib/django-aggregate-if-master/tox.ini

@@ -0,0 +1,198 @@
+[tox]
+envlist =
+    py27-django1.4-sqlite,
+    py27-django1.4-postgres,
+    py27-django1.4-mysql,
+
+    py27-django1.5-sqlite,
+    py27-django1.5-postgres,
+    py27-django1.5-mysql,
+
+    py27-django1.6-sqlite,
+    py27-django1.6-postgres,
+    py27-django1.6-mysql,
+
+    py27-django1.7-sqlite,
+    py27-django1.7-postgres,
+    py27-django1.7-mysql,
+
+    py34-django1.6-sqlite,
+    py34-django1.6-postgres,
+    #py34-django1.6-mysql
+
+    py34-django1.7-sqlite,
+    py34-django1.7-postgres,
+    #py34-django1.7-mysql
+
+[testenv]
+whitelist_externals=
+    mysql
+    psql
+
+# Python 2.7
+# Django 1.4
+[testenv:py27-django1.4-sqlite]
+basepython = python2.7
+deps =
+    django==1.4
+commands = python runtests.py --settings tests.test_sqlite
+
+[testenv:py27-django1.4-postgres]
+basepython = python2.7
+deps =
+    django==1.4
+    psycopg2
+commands =
+    psql -c 'create database aggregation;' postgres
+    python runtests.py --settings tests.test_postgres
+    psql -c 'drop database aggregation;' postgres
+
+[testenv:py27-django1.4-mysql]
+basepython = python2.7
+deps =
+    django==1.4
+    mysql-python
+commands =
+    mysql -e 'create database aggregation;'
+    python runtests.py --settings tests.test_mysql
+    mysql -e 'drop database aggregation;'
+
+# Django 1.5
+[testenv:py27-django1.5-sqlite]
+basepython = python2.7
+deps =
+    django==1.5
+commands = python runtests.py --settings tests.test_sqlite
+
+[testenv:py27-django1.5-postgres]
+basepython = python2.7
+deps =
+    django==1.5
+    psycopg2
+commands =
+    psql -c 'create database aggregation;' postgres
+    python runtests.py --settings tests.test_postgres
+    psql -c 'drop database aggregation;' postgres
+
+[testenv:py27-django1.5-mysql]
+basepython = python2.7
+deps =
+    django==1.5
+    mysql-python
+commands =
+    mysql -e 'create database aggregation;'
+    python runtests.py --settings tests.test_mysql
+    mysql -e 'drop database aggregation;'
+
+# Django 1.6
+[testenv:py27-django1.6-sqlite]
+basepython = python2.7
+deps =
+    django==1.6
+commands = python runtests.py --settings tests.test_sqlite
+
+[testenv:py27-django1.6-postgres]
+basepython = python2.7
+deps =
+    django==1.6
+    psycopg2
+commands =
+    psql -c 'create database aggregation;' postgres
+    python runtests.py --settings tests.test_postgres
+    psql -c 'drop database aggregation;' postgres
+
+[testenv:py27-django1.6-mysql]
+basepython = python2.7
+deps =
+    django==1.6
+    mysql-python
+commands =
+    mysql -e 'create database aggregation;'
+    python runtests.py --settings tests.test_mysql
+    mysql -e 'drop database aggregation;'
+
+
+# Python 2.7 and Django 1.7
+[testenv:py27-django1.7-sqlite]
+basepython = python2.7
+deps =
+    django==1.7
+commands = python runtests.py --settings tests.test_sqlite
+
+[testenv:py27-django1.7-postgres]
+basepython = python2.7
+deps =
+    django==1.7
+    psycopg2
+commands =
+    psql -c 'create database aggregation;' postgres
+    python runtests.py --settings tests.test_postgres
+    psql -c 'drop database aggregation;' postgres
+
+[testenv:py27-django1.7-mysql]
+basepython = python2.7
+deps =
+    django==1.7
+    mysql-python
+commands =
+    mysql -e 'create database aggregation;'
+    python runtests.py --settings tests.test_mysql
+    mysql -e 'drop database aggregation;'
+
+
+# Python 3.4
+# Django 1.6
+[testenv:py34-django1.6-sqlite]
+basepython = python3.4
+deps =
+    django==1.6
+commands = python runtests.py --settings tests.test_sqlite
+
+[testenv:py34-django1.6-postgres]
+basepython = python3.4
+deps =
+    django==1.6
+    psycopg2
+commands =
+    psql -c 'create database aggregation;' postgres
+    python runtests.py --settings tests.test_postgres
+    psql -c 'drop database aggregation;' postgres
+
+[testenv:py34-django1.6-mysql]
+basepython = python3.4
+deps =
+    django==1.6
+    mysql-python3
+commands =
+    mysql -e 'create database aggregation;'
+    python runtests.py --settings tests.test_mysql
+    mysql -e 'drop database aggregation;'
+
+
+# Python 3.4
+# Django 1.7
+[testenv:py34-django1.7-sqlite]
+basepython = python3.4
+deps =
+    django==1.7
+commands = python runtests.py --settings tests.test_sqlite
+
+[testenv:py34-django1.7-postgres]
+basepython = python3.4
+deps =
+    django==1.7
+    psycopg2
+commands =
+    psql -c 'create database aggregation;' postgres
+    python runtests.py --settings tests.test_postgres
+    psql -c 'drop database aggregation;' postgres
+
+[testenv:py34-django1.7-mysql]
+basepython = python3.4
+deps =
+    django==1.7
+    mysql-python3
+commands =
+    mysql -e 'create database aggregation;'
+    python runtests.py --settings tests.test_mysql
+    mysql -e 'drop database aggregation;'