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https://github.com/ansible-collections/community.general.git
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af08ea33b1
Use dict comprehension in plugins (#8814)
* use dict comprehension in plugins
* Apply suggestions from code review
* add changelog frag
* fix references in changelog frag
(cherry picked from commit ecc048bc12)
Co-authored-by: Alexei Znamensky <103110+russoz@users.noreply.github.com>
98 lines
2.8 KiB
Python
98 lines
2.8 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright (c) 2021, Andrew Pantuso (@ajpantuso) <ajpantuso@gmail.com>
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# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
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# SPDX-License-Identifier: GPL-3.0-or-later
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from __future__ import absolute_import, division, print_function
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__metaclass__ = type
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from ansible.errors import (
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AnsibleError,
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AnsibleFilterError,
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AnsibleFilterTypeError,
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)
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from ansible.module_utils.common.text.converters import to_native
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from ansible.module_utils.common.collections import is_sequence
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try:
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from hashids import Hashids
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HAS_HASHIDS = True
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except ImportError:
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HAS_HASHIDS = False
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def initialize_hashids(**kwargs):
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if not HAS_HASHIDS:
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raise AnsibleError("The hashids library must be installed in order to use this plugin")
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params = {k: v for k, v in kwargs.items() if v}
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try:
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return Hashids(**params)
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except TypeError as e:
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raise AnsibleFilterError(
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"The provided parameters %s are invalid: %s" % (
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', '.join(["%s=%s" % (k, v) for k, v in params.items()]),
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to_native(e)
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)
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)
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def hashids_encode(nums, salt=None, alphabet=None, min_length=None):
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"""Generates a YouTube-like hash from a sequence of ints
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:nums: Sequence of one or more ints to hash
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:salt: String to use as salt when hashing
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:alphabet: String of 16 or more unique characters to produce a hash
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:min_length: Minimum length of hash produced
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"""
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hashids = initialize_hashids(
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salt=salt,
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alphabet=alphabet,
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min_length=min_length
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)
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# Handles the case where a single int is not encapsulated in a list or tuple.
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# User convenience seems preferable to strict typing in this case
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# Also avoids obfuscated error messages related to single invalid inputs
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if not is_sequence(nums):
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nums = [nums]
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try:
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hashid = hashids.encode(*nums)
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except TypeError as e:
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raise AnsibleFilterTypeError(
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"Data to encode must by a tuple or list of ints: %s" % to_native(e)
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)
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return hashid
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def hashids_decode(hashid, salt=None, alphabet=None, min_length=None):
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"""Decodes a YouTube-like hash to a sequence of ints
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:hashid: Hash string to decode
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:salt: String to use as salt when hashing
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:alphabet: String of 16 or more unique characters to produce a hash
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:min_length: Minimum length of hash produced
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"""
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hashids = initialize_hashids(
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salt=salt,
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alphabet=alphabet,
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min_length=min_length
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)
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nums = hashids.decode(hashid)
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return list(nums)
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class FilterModule(object):
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def filters(self):
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return {
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'hashids_encode': hashids_encode,
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'hashids_decode': hashids_decode,
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}
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