From b6ae47c4553e31f6f7ac7a869fceaf9ecb7b9ffc Mon Sep 17 00:00:00 2001
From: Felix Fontein <felix@fontein.de>
Date: Thu, 8 Apr 2021 07:50:28 +0200
Subject: [PATCH] Add dict filter (#2171)

* Add dict and list_to_dict filters.

* Remove list_to_dict filter.

* Add myself as maintainer.
---
 .github/BOTMETA.yml                           |  2 ++
 changelogs/fragments/dict-filter.yml          |  3 +++
 plugins/filter/dict.py                        | 24 +++++++++++++++++++
 tests/integration/targets/filter_dict/aliases |  2 ++
 .../targets/filter_dict/tasks/main.yml        |  7 ++++++
 5 files changed, 38 insertions(+)
 create mode 100644 changelogs/fragments/dict-filter.yml
 create mode 100644 plugins/filter/dict.py
 create mode 100644 tests/integration/targets/filter_dict/aliases
 create mode 100644 tests/integration/targets/filter_dict/tasks/main.yml

diff --git a/.github/BOTMETA.yml b/.github/BOTMETA.yml
index 24e2061469..fbe43bbd3e 100644
--- a/.github/BOTMETA.yml
+++ b/.github/BOTMETA.yml
@@ -53,6 +53,8 @@ files:
   $doc_fragments/xenserver.py:
     maintainers: bvitnik
     labels: xenserver
+  $filters/dict.py:
+    maintainers: felixfontein
   $filters/dict_kv.py:
     maintainers: giner
   $filters/jc.py:
diff --git a/changelogs/fragments/dict-filter.yml b/changelogs/fragments/dict-filter.yml
new file mode 100644
index 0000000000..1e9923e796
--- /dev/null
+++ b/changelogs/fragments/dict-filter.yml
@@ -0,0 +1,3 @@
+add plugin.filter:
+  - name: dict
+    description: "The ``dict`` function as a filter: converts a list of tuples to a dictionary"
diff --git a/plugins/filter/dict.py b/plugins/filter/dict.py
new file mode 100644
index 0000000000..3d20e752b1
--- /dev/null
+++ b/plugins/filter/dict.py
@@ -0,0 +1,24 @@
+# -*- coding: utf-8 -*-
+
+# Copyright: (c) 2021, Felix Fontein <felix@fontein.de>
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+from __future__ import absolute_import, division, print_function
+__metaclass__ = type
+
+
+def dict_filter(sequence):
+    '''Convert a list of tuples to a dictionary.
+
+    Example: ``[[1, 2], ['a', 'b']] | community.general.dict`` results in ``{1: 2, 'a': 'b'}``
+    '''
+    return dict(sequence)
+
+
+class FilterModule(object):
+    '''Ansible jinja2 filters'''
+
+    def filters(self):
+        return {
+            'dict': dict_filter,
+        }
diff --git a/tests/integration/targets/filter_dict/aliases b/tests/integration/targets/filter_dict/aliases
new file mode 100644
index 0000000000..3e81d77f98
--- /dev/null
+++ b/tests/integration/targets/filter_dict/aliases
@@ -0,0 +1,2 @@
+shippable/posix/group3
+skip/python2.6  # filters are controller only, and we no longer support Python 2.6 on the controller
diff --git a/tests/integration/targets/filter_dict/tasks/main.yml b/tests/integration/targets/filter_dict/tasks/main.yml
new file mode 100644
index 0000000000..ab88d3ff3f
--- /dev/null
+++ b/tests/integration/targets/filter_dict/tasks/main.yml
@@ -0,0 +1,7 @@
+---
+- name: "Test dict filter"
+  assert:
+    that:
+      - "[['a', 'b']] | community.general.dict == dict([['a', 'b']])"
+      - "[['a', 'b'], [1, 2]] | community.general.dict == dict([['a', 'b'], [1, 2]])"
+      - "[] | community.general.dict == dict([])"