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community.general/plugins/filter/hashids.py
Alexei Znamensky d550baacfa
fix ruff case UP031 (#11223)
* fix ruff case UP031

* refactor backslashout of f-string for the sake of old Pythons

* add changelog frag

* Update plugins/modules/imc_rest.py

Co-authored-by: Felix Fontein <felix@fontein.de>

* scaleway_user_data: fix bug and make it an f-string

* reformat

---------

Co-authored-by: Felix Fontein <felix@fontein.de>
2025-11-29 08:28:22 +01:00

84 lines
2.6 KiB
Python

# Copyright (c) 2021, Andrew Pantuso (@ajpantuso) <ajpantuso@gmail.com>
# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
# SPDX-License-Identifier: GPL-3.0-or-later
from __future__ import annotations
from ansible.errors import (
AnsibleError,
AnsibleFilterError,
)
from ansible.module_utils.common.collections import is_sequence
try:
from ansible.errors import AnsibleTypeError
except ImportError:
from ansible.errors import AnsibleFilterTypeError as AnsibleTypeError # type: ignore
try:
from hashids import Hashids
HAS_HASHIDS = True
except ImportError:
HAS_HASHIDS = False
def initialize_hashids(**kwargs):
if not HAS_HASHIDS:
raise AnsibleError("The hashids library must be installed in order to use this plugin")
params = {k: v for k, v in kwargs.items() if v}
try:
return Hashids(**params)
except TypeError as e:
str_params = ", ".join([f"{k}={v}" for k, v in params.items()])
raise AnsibleFilterError(f"The provided parameters {str_params} are invalid: {e}") from e
def hashids_encode(nums, salt=None, alphabet=None, min_length=None):
"""Generates a YouTube-like hash from a sequence of ints
:nums: Sequence of one or more ints to hash
:salt: String to use as salt when hashing
:alphabet: String of 16 or more unique characters to produce a hash
:min_length: Minimum length of hash produced
"""
hashids = initialize_hashids(salt=salt, alphabet=alphabet, min_length=min_length)
# Handles the case where a single int is not encapsulated in a list or tuple.
# User convenience seems preferable to strict typing in this case
# Also avoids obfuscated error messages related to single invalid inputs
if not is_sequence(nums):
nums = [nums]
try:
hashid = hashids.encode(*nums)
except TypeError as e:
raise AnsibleTypeError(f"Data to encode must by a tuple or list of ints: {e}") from e
return hashid
def hashids_decode(hashid, salt=None, alphabet=None, min_length=None):
"""Decodes a YouTube-like hash to a sequence of ints
:hashid: Hash string to decode
:salt: String to use as salt when hashing
:alphabet: String of 16 or more unique characters to produce a hash
:min_length: Minimum length of hash produced
"""
hashids = initialize_hashids(salt=salt, alphabet=alphabet, min_length=min_length)
nums = hashids.decode(hashid)
return list(nums)
class FilterModule:
def filters(self):
return {
"hashids_encode": hashids_encode,
"hashids_decode": hashids_decode,
}