Merging upstream version 0.7.2.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

21 files changed, 161 insertions, 504 deletions

diff --git a/.github/workflows/automerge.yml b/.github/workflows/automerge.yml
index aa0e102..0fde336 100644
--- a/.github/workflows/automerge.yml
+++ b/.github/workflows/automerge.yml
@@ -8,7 +8,6 @@ on:
       # List all required workflow names here.
       - 'Run linters'
       - 'Run tests'
-      - 'Run tests on macos'
       - 'Test build package'
       - 'Run test commands'
 
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ebaa45f..da5c867 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -8,4 +8,4 @@ on:
 
 jobs:
   build:
-    uses: fizyk/actions-reuse/.github/workflows/pypi.yml@v2.1.2
+    uses: fizyk/actions-reuse/.github/workflows/pypi.yml@v2.4.0
diff --git a/.github/workflows/linters.yml b/.github/workflows/linters.yml
index dec9e2e..4fc4404 100644
--- a/.github/workflows/linters.yml
+++ b/.github/workflows/linters.yml
@@ -3,16 +3,12 @@ name: Run linters
 on:
   push:
     branches: [ master ]
-    paths:
-      - '**.py'
-      - .github/workflows/linters.yml
-      - requirements-lint.txt
   pull_request:
     branches: [ master ]
 jobs:
   lint:
-    uses: fizyk/actions-reuse/.github/workflows/linters-python.yml@v2.1.2
+    uses: fizyk/actions-reuse/.github/workflows/linters-python.yml@v2.4.0
     with:
-      pipenv: true
       mypy: true
-      pydocstyle: false
\ No newline at end of file
+      ruff: true
+      black: true
\ No newline at end of file
diff --git a/.github/workflows/pr-check.yml b/.github/workflows/pr-check.yml
index 758fd46..22525ea 100644
--- a/.github/workflows/pr-check.yml
+++ b/.github/workflows/pr-check.yml
@@ -9,19 +9,17 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out repository
-        uses: actions/checkout@v3
-      - uses: fizyk/actions-reuse/.github/actions/pipenv@v2.1.2
+        uses: actions/checkout@v4
+      - uses: fizyk/actions-reuse/.github/actions/pipenv@v2.4.0
         with:
-          python-version: "3.11"
-          pipenv-install-options: "--skip-lock"
+          python-version: "3.12"
           command: tbump --dry-run --only-patch $(pipenv run tbump current-version)"-x"
   towncrier:
     runs-on: ubuntu-latest
     if: ${{ github.actor != 'dependabot[bot]' }}
     steps:
-      - uses: fizyk/actions-reuse/.github/actions/pipenv@v2.1.2
+      - uses: fizyk/actions-reuse/.github/actions/pipenv@v2.4.0
         with:
-          python-version: "3.11"
-          pipenv-install-options: "--skip-lock"
+          python-version: "3.12"
           command: towncrier check --compare-with origin/master
           fetch-depth: 0
diff --git a/.github/workflows/pypi.yml b/.github/workflows/pypi.yml
index f90d2ce..b86f43a 100644
--- a/.github/workflows/pypi.yml
+++ b/.github/workflows/pypi.yml
@@ -5,7 +5,7 @@ on:
       - v*
 jobs:
   build:
-    uses: fizyk/actions-reuse/.github/workflows/pypi.yml@v2.1.2
+    uses: fizyk/actions-reuse/.github/workflows/pypi.yml@v2.4.0
     with:
       publish: true
     secrets:
diff --git a/.github/workflows/tests-macos.yml b/.github/workflows/tests-macos.yml
deleted file mode 100644
index 4732209..0000000
--- a/.github/workflows/tests-macos.yml
+++ /dev/null
@@ -1,17 +0,0 @@
-name: Run tests on macos
-
-on:
-  push:
-    branches: [ master ]
-  pull_request:
-    branches: [ master ]
-
-
-jobs:
-  tests:
-    uses: fizyk/actions-reuse/.github/workflows/tests-pytests.yml@v2.1.2
-    with:
-      python-versions: '["3.7", "3.8", "3.9", "3.10", "3.11", "pypy-3.8"]'
-      os: macos-latest
-      pipenv: true
-      pipenv-install-options: --skip-lock
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index adbb036..d3f05ef 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -8,8 +8,13 @@ on:
 
 jobs:
   tests:
-    uses: fizyk/actions-reuse/.github/workflows/tests-pytests.yml@v2.1.2
+    uses: fizyk/actions-reuse/.github/workflows/tests-pytests.yml@v2.4.0
     with:
-      python-versions: '["3.7", "3.8", "3.9", "3.10", "3.11", "pypy-3.8"]'
-      pipenv: true
-      pipenv-install-options: --skip-lock
+      python-versions: '["3.8", "3.9", "3.10", "3.11", "3.12", "pypy-3.8"]'
+  tests-macos:
+    needs:
+      - tests
+    uses: fizyk/actions-reuse/.github/workflows/tests-pytests.yml@v2.4.0
+    with:
+      python-versions: '["3.8", "3.9", "3.10", "3.11", "3.12", "pypy-3.8"]'
+      os: macos-latest
diff --git a/.gitignore b/.gitignore
index f46f8ba..55f37e0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,4 +10,7 @@ htmlcov
 .ipynb_checkpoints/
 MANIFEST
 coverage
-venv/
\ No newline at end of file
+venv/
+
+# Managed by github-actions (cache + artifact) per python version - see pipeline artifacts
+Pipfile.lock
diff --git a/CHANGES.rst b/CHANGES.rst
index 3f8c3f2..e857fca 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -3,6 +3,27 @@ CHANGELOG
 
 .. towncrier release notes start
 
+0.7.2 (2023-10-10)
+==================
+
+Breaking changes
+----------------
+
+- Drop support for python 3.7 (`#155 <https://github.com/kmike/port-for/issues/155>`__)
+
+
+Features
+--------
+
+- Support Python 3.12 (`#169 <https://github.com/kmike/port-for/issues/169>`__)
+
+
+Miscellaneus
+------------
+
+- `#152 <https://github.com/kmike/port-for/issues/152>`__, `#166 <https://github.com/kmike/port-for/issues/166>`__, `#170 <https://github.com/kmike/port-for/issues/170>`__
+
+
 0.7.1 (2023-07-14)
 ==================
 
diff --git a/Pipfile b/Pipfile
index a9e2661..2ba7864 100644
--- a/Pipfile
+++ b/Pipfile
@@ -7,10 +7,10 @@ name = "pypi"
 
 [dev-packages]
 towncrier = "==23.6.0"
-pytest = "==7.4.0"
+pytest = "==7.4.2"
 pytest-cov = "==4.1.0"
-coverage = "==7.2.7"
-black = "==23.7.0"
-pycodestyle = "==2.10.0"
-mypy = "==1.4.1"
-tbump = "==6.10.0"
+coverage = "==7.3.2"
+black = "==23.9.1"
+mypy = "==1.5.1"
+tbump = "==6.11.0"
+ruff = "==0.0.292"
diff --git a/Pipfile.lock b/Pipfile.lock
deleted file mode 100644
index 9776937..0000000
--- a/Pipfile.lock
+++ /dev/null
@@ -1,388 +0,0 @@
-{
-    "_meta": {
-        "hash": {
-            "sha256": "643de800a20bbcc68b7b1d0fe879c91aab21620df5e3b74e70b7c54811746f7d"
-        },
-        "pipfile-spec": 6,
-        "requires": {},
-        "sources": [
-            {
-                "name": "pypi",
-                "url": "https://pypi.org/simple",
-                "verify_ssl": true
-            }
-        ]
-    },
-    "default": {},
-    "develop": {
-        "black": {
-            "hashes": [
-                "sha256:01ede61aac8c154b55f35301fac3e730baf0c9cf8120f65a9cd61a81cfb4a0c3",
-                "sha256:022a582720b0d9480ed82576c920a8c1dde97cc38ff11d8d8859b3bd6ca9eedb",
-                "sha256:25cc308838fe71f7065df53aedd20327969d05671bac95b38fdf37ebe70ac087",
-                "sha256:27eb7a0c71604d5de083757fbdb245b1a4fae60e9596514c6ec497eb63f95320",
-                "sha256:327a8c2550ddc573b51e2c352adb88143464bb9d92c10416feb86b0f5aee5ff6",
-                "sha256:47e56d83aad53ca140da0af87678fb38e44fd6bc0af71eebab2d1f59b1acf1d3",
-                "sha256:501387a9edcb75d7ae8a4412bb8749900386eaef258f1aefab18adddea1936bc",
-                "sha256:552513d5cd5694590d7ef6f46e1767a4df9af168d449ff767b13b084c020e63f",
-                "sha256:5c4bc552ab52f6c1c506ccae05681fab58c3f72d59ae6e6639e8885e94fe2587",
-                "sha256:642496b675095d423f9b8448243336f8ec71c9d4d57ec17bf795b67f08132a91",
-                "sha256:6d1c6022b86f83b632d06f2b02774134def5d4d4f1dac8bef16d90cda18ba28a",
-                "sha256:7f3bf2dec7d541b4619b8ce526bda74a6b0bffc480a163fed32eb8b3c9aed8ad",
-                "sha256:831d8f54c3a8c8cf55f64d0422ee875eecac26f5f649fb6c1df65316b67c8926",
-                "sha256:8417dbd2f57b5701492cd46edcecc4f9208dc75529bcf76c514864e48da867d9",
-                "sha256:86cee259349b4448adb4ef9b204bb4467aae74a386bce85d56ba4f5dc0da27be",
-                "sha256:893695a76b140881531062d48476ebe4a48f5d1e9388177e175d76234ca247cd",
-                "sha256:9fd59d418c60c0348505f2ddf9609c1e1de8e7493eab96198fc89d9f865e7a96",
-                "sha256:ad0014efc7acf0bd745792bd0d8857413652979200ab924fbf239062adc12491",
-                "sha256:b5b0ee6d96b345a8b420100b7d71ebfdd19fab5e8301aff48ec270042cd40ac2",
-                "sha256:c333286dc3ddca6fdff74670b911cccedacb4ef0a60b34e491b8a67c833b343a",
-                "sha256:f9062af71c59c004cd519e2fb8f5d25d39e46d3af011b41ab43b9c74e27e236f",
-                "sha256:fb074d8b213749fa1d077d630db0d5f8cc3b2ae63587ad4116e8a436e9bbe995"
-            ],
-            "index": "pypi",
-            "version": "==23.7.0"
-        },
-        "cli-ui": {
-            "hashes": [
-                "sha256:2f67e50cf474e76ad160c3e660bbad98bf8b8dfb8d847765f3a261b7e13c05fa",
-                "sha256:6a1ebdbbcd83a0fa06b2f63f4434082a3ba8664aebedd91f1ff86b9e4289d53e"
-            ],
-            "markers": "python_version >= '3.7' and python_version < '4.0'",
-            "version": "==0.17.2"
-        },
-        "click": {
-            "hashes": [
-                "sha256:2739815aaa5d2c986a88f1e9230c55e17f0caad3d958a5e13ad0797c166db9e3",
-                "sha256:b97d0c74955da062a7d4ef92fadb583806a585b2ea81958a81bd72726cbb8e37"
-            ],
-            "markers": "python_version >= '3.7'",
-            "version": "==8.1.4"
-        },
-        "click-default-group": {
-            "hashes": [
-                "sha256:d9560e8e8dfa44b3562fbc9425042a0fd6d21956fcc2db0077f63f34253ab904"
-            ],
-            "version": "==1.2.2"
-        },
-        "colorama": {
-            "hashes": [
-                "sha256:08695f5cb7ed6e0531a20572697297273c47b8cae5a63ffc6d6ed5c201be6e44",
-                "sha256:4f1d9991f5acc0ca119f9d443620b77f9d6b33703e51011c16baf57afb285fc6"
-            ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4, 3.5, 3.6'",
-            "version": "==0.4.6"
-        },
-        "contextlib2": {
-            "hashes": [
-                "sha256:3fbdb64466afd23abaf6c977627b75b6139a5a3e8ce38405c5b413aed7a0471f",
-                "sha256:ab1e2bfe1d01d968e1b7e8d9023bc51ef3509bba217bb730cee3827e1ee82869"
-            ],
-            "markers": "python_version >= '3.6'",
-            "version": "==21.6.0"
-        },
-        "coverage": {
-            "hashes": [
-                "sha256:06a9a2be0b5b576c3f18f1a241f0473575c4a26021b52b2a85263a00f034d51f",
-                "sha256:06fb182e69f33f6cd1d39a6c597294cff3143554b64b9825d1dc69d18cc2fff2",
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-                "sha256:e84606b74eb7de6ff581a7915e2dab7a28a0517fbe1c9239eb227e1354064dcd",
-                "sha256:eb393e5ebc85245347950143969b241d08b52b88a3dc39479822e073a1a8eb27",
-                "sha256:ebba1cd308ef115925421d3e6a586e655ca5a77b5bf41e02eb0e4562a111f2d1",
-                "sha256:ee57190f24fba796e36bb6d3aa8a8783c643d8fa9760c89f7a98ab5455fbf818",
-                "sha256:f2f67fe12b22cd130d34d0ef79206061bfb5eda52feb6ce0dba0644e20a03cf4",
-                "sha256:f6951407391b639504e3b3be51b7ba5f3528adbf1a8ac3302b687ecababf929e",
-                "sha256:f75f7168ab25dd93110c8a8117a22450c19976afbc44234cbf71481094c1b850",
-                "sha256:fdec9e8cbf13a5bf63290fc6013d216a4c7232efb51548594ca3631a7f13c3a3"
-            ],
-            "index": "pypi",
-            "version": "==7.2.7"
-        },
-        "docopt": {
-            "hashes": [
-                "sha256:49b3a825280bd66b3aa83585ef59c4a8c82f2c8a522dbe754a8bc8d08c85c491"
-            ],
-            "version": "==0.6.2"
-        },
-        "incremental": {
-            "hashes": [
-                "sha256:912feeb5e0f7e0188e6f42241d2f450002e11bbc0937c65865045854c24c0bd0",
-                "sha256:b864a1f30885ee72c5ac2835a761b8fe8aa9c28b9395cacf27286602688d3e51"
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-            "version": "==22.10.0"
-        },
-        "iniconfig": {
-            "hashes": [
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-                "sha256:b6a85871a79d2e3b22d2d1b94ac2824226a63c6b741c88f7ae975f18b6778374"
-            ],
-            "markers": "python_version >= '3.7'",
-            "version": "==2.0.0"
-        },
-        "jinja2": {
-            "hashes": [
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diff --git a/port_for/__init__.py b/port_for/__init__.py
index 15c664d..289c396 100644
--- a/port_for/__init__.py
+++ b/port_for/__init__.py
@@ -1,19 +1,19 @@
 # -*- coding: utf-8 -*-
 """port_for package."""
-__version__ = "0.7.1"
+__version__ = "0.7.2"
 
 from ._ranges import UNASSIGNED_RANGES
 from .api import (
     available_good_ports,
     available_ports,
-    is_available,
+    get_port,
     good_port_ranges,
+    is_available,
     port_is_used,
     select_random,
-    get_port,
 )
-from .store import PortStore
 from .exceptions import PortForException
+from .store import PortStore
 
 __all__ = (
     "UNASSIGNED_RANGES",
diff --git a/port_for/api.py b/port_for/api.py
index 4ecf9f8..c4e15e6 100644
--- a/port_for/api.py
+++ b/port_for/api.py
@@ -1,15 +1,16 @@
-# -*- coding: utf-8 -*-
+"""main port-for functionality."""
 import contextlib
-import socket
 import errno
 import random
+import socket
 from itertools import chain
-from typing import Optional, Set, List, Tuple, Iterable, TypeVar, Type, Union
+from typing import Iterable, List, Optional, Set, Tuple, Type, TypeVar, Union
+
 from port_for import ephemeral, utils
+
 from ._ranges import UNASSIGNED_RANGES
 from .exceptions import PortForException
 
-
 SYSTEM_PORT_RANGE = (0, 1024)
 
 
@@ -17,9 +18,7 @@ def select_random(
     ports: Optional[Set[int]] = None,
     exclude_ports: Optional[Iterable[int]] = None,
 ) -> int:
-    """
-    Returns random unused port number.
-    """
+    """Return random unused port number."""
     if ports is None:
         ports = available_good_ports()
 
@@ -35,9 +34,7 @@ def select_random(
 
 
 def is_available(port: int) -> bool:
-    """
-    Returns if port is good to choose.
-    """
+    """Return if port is good to choose."""
     return port in available_ports() and not port_is_used(port)
 
 
@@ -46,9 +43,12 @@ def available_ports(
     high: int = 65535,
     exclude_ranges: Optional[List[Tuple[int, int]]] = None,
 ) -> Set[int]:
-    """
-    Returns a set of possible ports (excluding system,
-    ephemeral and well-known ports).
+    """Return a set of possible ports.
+
+    .. note::
+
+        Excluding system, ephemeral and well-known ports.
+
     Pass ``high`` and/or ``low`` to limit the port range.
     """
     if exclude_ranges is None:
@@ -74,8 +74,8 @@ def available_ports(
 def good_port_ranges(
     ports: Optional[Set[int]] = None, min_range_len: int = 20, border: int = 3
 ) -> List[Tuple[int, int]]:
-    """
-    Returns a list of 'good' port ranges.
+    """Return a list of 'good' port ranges.
+
     Such ranges are large and don't contain ephemeral or well-known ports.
     Ranges borders are also excluded.
     """
@@ -94,14 +94,16 @@ def good_port_ranges(
 
 
 def available_good_ports(min_range_len: int = 20, border: int = 3) -> Set[int]:
+    """List available good ports."""
     return utils.ranges_to_set(
         good_port_ranges(min_range_len=min_range_len, border=border)
     )
 
 
 def port_is_used(port: int, host: str = "127.0.0.1") -> bool:
-    """
-    Returns if port is used. Port is considered used if the current process
+    """Return if port is used.
+
+    Port is considered used if the current process
     can't bind to it or the port doesn't refuse connections.
     """
     unused = _can_bind(port, host) and _refuses_connection(port, host)
@@ -130,7 +132,7 @@ T = TypeVar("T")
 
 
 def filter_by_type(lst: Iterable, type_of: Type[T]) -> List[T]:
-    """Returns a list of elements with given type."""
+    """Return a list of elements with given type."""
     return [e for e in lst if isinstance(e, type_of)]
 
 
@@ -152,9 +154,10 @@ def get_port(
     ports: Optional[PortType],
     exclude_ports: Optional[Iterable[int]] = None,
 ) -> Optional[int]:
-    """
-    Retuns a random available port. If there's only one port passed
-    (e.g. 5000 or '5000') function does not check if port is available.
+    """Retun a random available port.
+
+    If there's only one port passed (e.g. 5000 or '5000') function
+    does not check if port is available.
     If there's -1 passed as an argument, function returns None.
 
     :param ports:
diff --git a/port_for/cmd.py b/port_for/cmd.py
index be28902..ba9add7 100644
--- a/port_for/cmd.py
+++ b/port_for/cmd.py
@@ -1,6 +1,5 @@
 #!/usr/bin/env python
-"""
-cmd.py is a command-line utility that helps with local TCP ports management.
+"""cmd.py is a command-line utility that helps with local TCP ports management.
 
 It finds 'good' unused TCP localhost port and remembers the association.
 
@@ -26,6 +25,7 @@ Options:
 
 import sys
 from typing import Optional
+
 import port_for
 from port_for.docopt import docopt
 
diff --git a/port_for/ephemeral.py b/port_for/ephemeral.py
index a3c03ec..41a4685 100644
--- a/port_for/ephemeral.py
+++ b/port_for/ephemeral.py
@@ -1,21 +1,19 @@
 # -*- coding: utf-8 -*-
-"""
-This module provide utilities to find ephemeral port ranges for the current OS.
+"""Module provide utilities to find ephemeral port ranges for the current OS.
+
 See http://www.ncftp.com/ncftpd/doc/misc/ephemeral_ports.html for more info
 about ephemeral port ranges.
 
 Currently only Linux and BSD (including OS X) are supported.
 """
 import subprocess
-from typing import List, Tuple, Dict
+from typing import Dict, List, Tuple
 
 DEFAULT_EPHEMERAL_PORT_RANGE = (32768, 65535)
 
 
 def port_ranges() -> List[Tuple[int, int]]:
-    """
-    Returns a list of ephemeral port ranges for current machine.
-    """
+    """Return a list of ephemeral port ranges for current machine."""
     try:
         return _linux_ranges()
     except (OSError, IOError):  # not linux, try BSD
diff --git a/port_for/exceptions.py b/port_for/exceptions.py
index 256a255..dc03591 100644
--- a/port_for/exceptions.py
+++ b/port_for/exceptions.py
@@ -1,3 +1,7 @@
-# -*- coding: utf-8 -*-
+"""Port-for exceptions."""
+
+
 class PortForException(Exception):
+    """Main port-for exception class."""
+
     pass
diff --git a/port_for/store.py b/port_for/store.py
index a07b737..685753c 100644
--- a/port_for/store.py
+++ b/port_for/store.py
@@ -1,22 +1,25 @@
-# -*- coding: utf-8 -*-
+"""PortStore implementation."""
 import os
-from configparser import ConfigParser, DEFAULTSECT
-from typing import Optional, List, Tuple, Union
+from configparser import DEFAULTSECT, ConfigParser
+from typing import List, Optional, Tuple, Union
 
 from .api import select_random
 from .exceptions import PortForException
 
-
 DEFAULT_CONFIG_PATH = "/etc/port-for.conf"
 
 
 class PortStore(object):
+    """PortStore binds, reads and stores bound ports in config."""
+
     def __init__(self, config_filename: str = DEFAULT_CONFIG_PATH):
+        """Initialize PortStore."""
         self._config = config_filename
 
     def bind_port(
         self, app: str, port: Optional[Union[int, str]] = None
     ) -> int:
+        """Binds port to app in the config."""
         if "=" in app or ":" in app:
             raise Exception('invalid app name: "%s"' % app)
 
@@ -61,11 +64,13 @@ class PortStore(object):
         return int(requested_port)
 
     def unbind_port(self, app: str) -> None:
+        """Remove port assignement to application."""
         parser = self._get_parser()
         parser.remove_option(DEFAULTSECT, app)
         self._save(parser)
 
     def bound_ports(self) -> List[Tuple[str, int]]:
+        """List all bound ports."""
         return [
             (app, int(port))
             for app, port in self._get_parser().items(DEFAULTSECT)
diff --git a/port_for/utils.py b/port_for/utils.py
index 361d5c0..997f63a 100644
--- a/port_for/utils.py
+++ b/port_for/utils.py
@@ -1,11 +1,10 @@
-# -*- coding: utf-8 -*-
+"""Port for utils."""
 import itertools
-from typing import Iterable, Iterator, Tuple, Set
+from typing import Iterable, Iterator, Set, Tuple
 
 
 def ranges_to_set(lst: Iterable[Tuple[int, int]]) -> Set[int]:
-    """
-    Convert a list of ranges to a set of numbers::
+    """Convert a list of ranges to a set of numbers.
 
     >>> ranges = [(1,3), (5,6)]
     >>> sorted(list(ranges_to_set(ranges)))
@@ -16,8 +15,7 @@ def ranges_to_set(lst: Iterable[Tuple[int, int]]) -> Set[int]:
 
 
 def to_ranges(lst: Iterable[int]) -> Iterator[Tuple[int, int]]:
-    """
-    Convert a list of numbers to a list of ranges::
+    """Convert a list of numbers to a list of ranges.
 
     >>> numbers = [1,2,3,5,6]
     >>> list(to_ranges(numbers))
diff --git a/pyproject.toml b/pyproject.toml
index 608e240..a4c5862 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "port-for"
-version = "0.7.1"
+version = "0.7.2"
 description = "Utility that helps with local TCP ports management. It can find an unused TCP localhost port and remember the association."
 readme = "README.rst"
 keywords = ["port", "posix"]
@@ -18,22 +18,22 @@ classifiers = [
     "License :: OSI Approved :: MIT License",
     "Programming Language :: Python",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.7",
     "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
     "Operating System :: POSIX",
     "Topic :: System :: Installation/Setup",
     "Topic :: System :: Systems Administration",
     "Topic :: Internet :: WWW/HTTP :: Site Management",
 ]
-requires-python = ">= 3.7"
+requires-python = ">= 3.8"
 
 [project.urls]
 "Source" = "https://github.com/kmike/port-for/"
 "Bug Tracker" = "https://github.com/kmike/port-for/issues"
-"Changelog" = "https://github.com/kmike/port-for/blob/v0.7.1/CHANGES.rst"
+"Changelog" = "https://github.com/kmike/port-for/blob/v0.7.2/CHANGES.rst"
 
 [project.scripts]
 port-for = "port_for.cmd:main"
@@ -58,36 +58,58 @@ filterwarnings = "error"
 directory = "newsfragments"
 single_file=true
 filename="CHANGES.rst"
-issue_format="`#{issue} <https://github.com/kmike/port-for/issues/{issue}>`_"
+issue_format="`#{issue} <https://github.com/kmike/port-for/issues/{issue}>`__"
 
-[tool.towncrier.fragment.feature]
-name = "Features"
+[[tool.towncrier.type]]
+directory = "break"
+name = "Breaking changes"
 showcontent = true
 
-[tool.towncrier.fragment.bugfix]
-name = "Bugfixes"
+[[tool.towncrier.type]]
+directory = "depr"
+name = "Deprecations"
 showcontent = true
 
-[tool.towncrier.fragment.break]
-name = "Breaking changes"
+[[tool.towncrier.type]]
+directory = "feature"
+name = "Features"
 showcontent = true
 
-[tool.towncrier.fragment.misc]
-name = "Miscellaneus"
+[[tool.towncrier.type]]
+directory = "bugfix"
+name = "Bugfixes"
 showcontent = true
 
+[[tool.towncrier.type]]
+directory = "misc"
+name = "Miscellaneus"
+showcontent = false
+
 [tool.black]
 line-length = 80
 target-version = ['py38']
 include = '.*\.pyi?$'
 
+[tool.ruff]
+line-length = 80
+select = [
+    "E",   # pycodestyle
+    "F",   # pyflakes
+    "I",   # isort
+    "D",   # pydocstyle
+]
+exclude = [
+    "port_for/docopt.py",
+    "port_for/_download_ranges.py"
+]
+
 
 [tool.tbump]
 # Uncomment this if your project is hosted on GitHub:
 # github_url = "https://github.com/<user or organization>/<project>/"
 
 [tool.tbump.version]
-current = "0.7.1"
+current = "0.7.2"
 
 # Example of a semver regexp.
 # Make sure this matches current_version before
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index 2627357..0000000
--- a/setup.cfg
+++ /dev/null
@@ -1,3 +0,0 @@
-[pycodestyle]
-max-line-length = 80
-exclude = docs/*,build/*,venv/*
diff --git a/tests/test_cases.py b/tests/test_cases.py
index 02772a8..8f5f3f1 100644
--- a/tests/test_cases.py
+++ b/tests/test_cases.py
@@ -1,10 +1,10 @@
-# -*- coding: utf-8 -*-
-import unittest
+"""Test cases."""
+import os
+import socket
 import tempfile
+import unittest
+from typing import List, Set, Tuple, Union
 from unittest import mock
-import socket
-import os
-from typing import Union, List, Set, Tuple
 
 import pytest
 
@@ -14,11 +14,13 @@ from port_for.utils import ranges_to_set
 
 
 def test_common_ports() -> None:
+    """Check common ports (not available)."""
     assert not port_for.is_available(80)
     assert not port_for.is_available(11211)
 
 
 def test_good_port_ranges() -> None:
+    """Select good ranges of ports aout of provided."""
     ranges = [
         (10, 15),  # too short
         (100, 200),  # good
@@ -33,16 +35,18 @@ def test_good_port_ranges() -> None:
 
 
 def test_something_works() -> None:
+    """Test default behaviour of good_port_ranges and available_good_ports."""
     assert len(port_for.good_port_ranges()) > 10
     assert len(port_for.available_good_ports()) > 1000
 
 
 def test_binding() -> None:
-    # low ports are not available
+    """Low ports are not available."""
     assert port_for.port_is_used(10)
 
 
 def test_binding_high() -> None:
+    """Test ports that are not used."""
     s = socket.socket()
     s.bind(("", 0))
     port = s.getsockname()[1]
@@ -115,13 +119,17 @@ def test_port_mix() -> None:
 
 
 class SelectPortTest(unittest.TestCase):
+    """Port selecting tests."""
+
     @mock.patch("port_for.api.port_is_used")
     def test_all_used(self, port_is_used: mock.MagicMock) -> None:
+        """Check behaviour if there are no ports to use."""
         port_is_used.return_value = True
         self.assertRaises(port_for.PortForException, port_for.select_random)
 
     @mock.patch("port_for.api.port_is_used")
     def test_random_port(self, port_is_used: mock.MagicMock) -> None:
+        """Test random ports."""
         ports = set([1, 2, 3])
         used = {1: True, 2: False, 3: True}
         port_is_used.side_effect = lambda port: used[port]
@@ -131,14 +139,19 @@ class SelectPortTest(unittest.TestCase):
 
 
 class StoreTest(unittest.TestCase):
+    """Port Store test suite."""
+
     def setUp(self) -> None:
+        """Set up tests."""
         fd, self.fname = tempfile.mkstemp()
         self.store = port_for.PortStore(self.fname)
 
     def tearDown(self) -> None:
+        """Tear down tests."""
         os.remove(self.fname)
 
     def test_store(self) -> None:
+        """Test port store."""
         assert self.store.bound_ports() == []
 
         port = self.store.bind_port("foo")
@@ -156,14 +169,14 @@ class StoreTest(unittest.TestCase):
         self.assertEqual(self.store.bound_ports(), [("foo", port)])
 
     def test_rebind(self) -> None:
-        # try to rebind an used port for an another app
+        """Try to rebind an used port for an another app."""
         port = self.store.bind_port("foo")
         self.assertRaises(
             port_for.PortForException, self.store.bind_port, "baz", port
         )
 
     def test_change_port(self) -> None:
-        # changing app ports is not supported.
+        """Changing app ports is not supported."""
         port = self.store.bind_port("foo")
         another_port = port_for.select_random()
         assert port != another_port
@@ -172,13 +185,13 @@ class StoreTest(unittest.TestCase):
         )
 
     def test_bind_unavailable(self) -> None:
-        # it is possible to explicitly bind currently unavailable port
+        """It is possible to explicitly bind currently unavailable port."""
         port = self.store.bind_port("foo", 80)
         self.assertEqual(port, 80)
         self.assertEqual(self.store.bound_ports(), [("foo", 80)])
 
     def test_bind_non_auto(self) -> None:
-        # it is possible to pass a port
+        """It is possible to pass a port."""
         port = port_for.select_random()
         res_port = self.store.bind_port("foo", port)
         self.assertEqual(res_port, port)