Fix failing builds and drop Py36 and 37 support (#1163)

.github/workflows/continuous_integration.yml

@@ -9,18 +9,18 @@ on:
     - cron: "0 0 1 * *"
 
 jobs:
-  test:
+  unit-tests:
     name: ${{ matrix.os }} (${{ matrix.python-version }})
     runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["pypy-3.7", "3.6", "3.7", "3.8", "3.9", "3.10", "3.11"]
+        python-version: ["pypy-3.9", "3.8", "3.9", "3.10", "3.11", "3.12-dev"]
         os: [ubuntu-latest, macos-latest, windows-latest]
         exclude:
           # pypy3 randomly fails on Windows builds
           - os: windows-latest
-            python-version: "pypy-3.7"
+            python-version: "pypy-3.9"
         include:
           - os: ubuntu-latest
             path: ~/.cache/pip
@@ -51,26 +51,25 @@ jobs:
         with:
           file: coverage.xml
 
-  lint:
+  linting:
+    name: Linting
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - name: Set up Python 3.10
-        uses: actions/setup-python@v4
-        with:
-          python-version: "3.10"
-      - name: Cache pip
-        uses: actions/cache@v3
+      - uses: actions/cache@v3
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements*.txt') }}
           restore-keys: ${{ runner.os }}-pip-
-      - name: Cache pre-commit
-        uses: actions/cache@v3
+      - uses: actions/cache@v3
         with:
           path: ~/.cache/pre-commit
           key: ${{ runner.os }}-pre-commit-${{ hashFiles('**/.pre-commit-config.yaml') }}
           restore-keys: ${{ runner.os }}-pre-commit-
+      - name: Set up Python ${{ runner.python-version }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.11"
       - name: Install dependencies
         run: |
           pip install -U pip setuptools wheel

.pre-commit-config.yaml

@@ -2,7 +2,7 @@ default_language_version:
   python: python3
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.3.0
+    rev: v4.4.0
     hooks:
       - id: check-ast
       - id: check-yaml
@@ -18,16 +18,16 @@ repos:
         args: [requirements/requirements.txt, requirements/requirements-docs.txt, requirements/requirements-tests.txt]
       - id: trailing-whitespace
   - repo: https://github.com/timothycrosley/isort
-    rev: 5.10.1
+    rev: 5.12.0
     hooks:
       - id: isort
   - repo: https://github.com/asottile/pyupgrade
-    rev: v3.2.0
+    rev: v3.10.1
     hooks:
       - id: pyupgrade
         args: [--py36-plus]
   - repo: https://github.com/pre-commit/pygrep-hooks
-    rev: v1.9.0
+    rev: v1.10.0
     hooks:
       - id: python-no-eval
       - id: python-check-blanket-noqa
@@ -38,17 +38,17 @@ repos:
       - id: rst-inline-touching-normal
       - id: text-unicode-replacement-char
   - repo: https://github.com/psf/black
-    rev: 22.10.0
+    rev: 23.9.1
     hooks:
       - id: black
         args: [--safe, --quiet, --target-version=py36]
   - repo: https://github.com/pycqa/flake8
-    rev: 5.0.4
+    rev: 6.1.0
     hooks:
       - id: flake8
         additional_dependencies: [flake8-bugbear,flake8-annotations]
   - repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v0.982
+    rev: v1.5.1
     hooks:
       - id: mypy
         additional_dependencies: [types-python-dateutil]

.readthedocs.yaml

@@ -0,0 +1,29 @@
+# Read the Docs configuration file for Sphinx projects
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
+
+version: 2
+
+build:
+  os: ubuntu-22.04
+  tools:
+    python: "3.11"
+
+# Build documentation in the "docs/" directory with Sphinx
+sphinx:
+  configuration: docs/conf.py
+  # You can configure Sphinx to use a different builder, for instance use the dirhtml builder for simpler URLs
+  # builder: "dirhtml"
+  # Fail on all warnings to avoid broken references
+  # fail_on_warning: true
+
+# Optionally build your docs in additional formats such as PDF and ePub
+# formats:
+#    - pdf
+#    - epub
+
+# Optional but recommended, declare the Python requirements required
+# to build your documentation
+# See https://docs.readthedocs.io/en/stable/guides/reproducible-builds.html
+python:
+  install:
+  - requirements: requirements/requirements-docs.txt

LICENSE

@@ -186,7 +186,7 @@
       same "printed page" as the copyright notice for easier
       identification within third-party archives.
 
-   Copyright 2021 Chris Smith
+   Copyright 2023 Chris Smith
 
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.

Makefile

@@ -1,15 +1,14 @@
 .PHONY: auto test docs clean
 
-auto: build310
+auto: build311
 
-build36: PYTHON_VER = python3.6
-build37: PYTHON_VER = python3.7
 build38: PYTHON_VER = python3.8
 build39: PYTHON_VER = python3.9
 build310: PYTHON_VER = python3.10
 build311: PYTHON_VER = python3.11
+build312: PYTHON_VER = python3.12
 
-build36 build37 build38 build39 build310: clean
+build36 build37 build38 build39 build310 build311 build312: clean
 	$(PYTHON_VER) -m venv venv
 	. venv/bin/activate; \
 	pip install -U pip setuptools wheel; \

arrow/arrow.py

@@ -168,9 +168,9 @@ def __init__(
             isinstance(tzinfo, dt_tzinfo)
             and hasattr(tzinfo, "localize")
             and hasattr(tzinfo, "zone")
-            and tzinfo.zone  # type: ignore[attr-defined]
+            and tzinfo.zone
         ):
-            tzinfo = parser.TzinfoParser.parse(tzinfo.zone)  # type: ignore[attr-defined]
+            tzinfo = parser.TzinfoParser.parse(tzinfo.zone)
         elif isinstance(tzinfo, str):
             tzinfo = parser.TzinfoParser.parse(tzinfo)
 
@@ -792,7 +792,6 @@ def __str__(self) -> str:
         return self._datetime.isoformat()
 
     def __format__(self, formatstr: str) -> str:
-
         if len(formatstr) > 0:
             return self.format(formatstr)
 
@@ -804,7 +803,6 @@ def __hash__(self) -> int:
     # attributes and properties
 
     def __getattr__(self, name: str) -> int:
-
         if name == "week":
             return self.isocalendar()[1]
 
@@ -965,7 +963,6 @@ def replace(self, **kwargs: Any) -> "Arrow":
         absolute_kwargs = {}
 
         for key, value in kwargs.items():
-
             if key in self._ATTRS:
                 absolute_kwargs[key] = value
             elif key in ["week", "quarter"]:
@@ -1022,7 +1019,6 @@ def shift(self, **kwargs: Any) -> "Arrow":
         additional_attrs = ["weeks", "quarters", "weekday"]
 
         for key, value in kwargs.items():
-
             if key in self._ATTRS_PLURAL or key in additional_attrs:
                 relative_kwargs[key] = value
             else:
@@ -1263,7 +1259,6 @@ def humanize(
                 return locale.describe(granularity, delta, only_distance=only_distance)
 
             else:
-
                 if not granularity:
                     raise ValueError(
                         "Empty granularity list provided. "
@@ -1367,7 +1362,6 @@ def dehumanize(self, input_string: str, locale: str = "en_us") -> "Arrow":
 
         # Search input string for each time unit within locale
         for unit, unit_object in locale_obj.timeframes.items():
-
             # Need to check the type of unit_object to create the correct dictionary
             if isinstance(unit_object, Mapping):
                 strings_to_search = unit_object
@@ -1378,7 +1372,6 @@ def dehumanize(self, input_string: str, locale: str = "en_us") -> "Arrow":
             # Needs to cycle all through strings as some locales have strings that
             # could overlap in a regex match, since input validation isn't being performed.
             for time_delta, time_string in strings_to_search.items():
-
                 # Replace {0} with regex \d representing digits
                 search_string = str(time_string)
                 search_string = search_string.format(r"\d+")
@@ -1718,7 +1711,6 @@ def for_json(self) -> str:
     # math
 
     def __add__(self, other: Any) -> "Arrow":
-
         if isinstance(other, (timedelta, relativedelta)):
             return self.fromdatetime(self._datetime + other, self._datetime.tzinfo)
 
@@ -1736,7 +1728,6 @@ def __sub__(self, other: Union[dt_datetime, "Arrow"]) -> timedelta:
         pass  # pragma: no cover
 
     def __sub__(self, other: Any) -> Union[timedelta, "Arrow"]:
-
         if isinstance(other, (timedelta, relativedelta)):
             return self.fromdatetime(self._datetime - other, self._datetime.tzinfo)
 
@@ -1749,7 +1740,6 @@ def __sub__(self, other: Any) -> Union[timedelta, "Arrow"]:
         return NotImplemented
 
     def __rsub__(self, other: Any) -> timedelta:
-
         if isinstance(other, dt_datetime):
             return other - self._datetime
 
@@ -1758,42 +1748,36 @@ def __rsub__(self, other: Any) -> timedelta:
     # comparisons
 
     def __eq__(self, other: Any) -> bool:
-
         if not isinstance(other, (Arrow, dt_datetime)):
             return False
 
         return self._datetime == self._get_datetime(other)
 
     def __ne__(self, other: Any) -> bool:
-
         if not isinstance(other, (Arrow, dt_datetime)):
             return True
 
         return not self.__eq__(other)
 
     def __gt__(self, other: Any) -> bool:
-
         if not isinstance(other, (Arrow, dt_datetime)):
             return NotImplemented
 
         return self._datetime > self._get_datetime(other)
 
     def __ge__(self, other: Any) -> bool:
-
         if not isinstance(other, (Arrow, dt_datetime)):
             return NotImplemented
 
         return self._datetime >= self._get_datetime(other)
 
     def __lt__(self, other: Any) -> bool:
-
         if not isinstance(other, (Arrow, dt_datetime)):
             return NotImplemented
 
         return self._datetime < self._get_datetime(other)
 
     def __le__(self, other: Any) -> bool:
-
         if not isinstance(other, (Arrow, dt_datetime)):
             return NotImplemented
 
@@ -1865,7 +1849,6 @@ def _get_frames(cls, name: _T_FRAMES) -> Tuple[str, str, int]:
     def _get_iteration_params(cls, end: Any, limit: Optional[int]) -> Tuple[Any, int]:
         """Sets default end and limit values for range method."""
         if end is None:
-
             if limit is None:
                 raise ValueError("One of 'end' or 'limit' is required.")
 

arrow/factory.py

@@ -267,11 +267,9 @@ def get(self, *args: Any, **kwargs: Any) -> Arrow:
                 raise TypeError(f"Cannot parse single argument of type {type(arg)!r}.")
 
         elif arg_count == 2:
-
             arg_1, arg_2 = args[0], args[1]
 
             if isinstance(arg_1, datetime):
-
                 # (datetime, tzinfo/str) -> fromdatetime @ tzinfo
                 if isinstance(arg_2, (dt_tzinfo, str)):
                     return self.type.fromdatetime(arg_1, tzinfo=arg_2)
@@ -281,7 +279,6 @@ def get(self, *args: Any, **kwargs: Any) -> Arrow:
                     )
 
             elif isinstance(arg_1, date):
-
                 # (date, tzinfo/str) -> fromdate @ tzinfo
                 if isinstance(arg_2, (dt_tzinfo, str)):
                     return self.type.fromdate(arg_1, tzinfo=arg_2)

arrow/formatter.py

@@ -29,7 +29,6 @@
 
 
 class DateTimeFormatter:
-
     # This pattern matches characters enclosed in square brackets are matched as
     # an atomic group. For more info on atomic groups and how to they are
     # emulated in Python's re library, see https://stackoverflow.com/a/13577411/2701578
@@ -41,18 +40,15 @@ class DateTimeFormatter:
     locale: locales.Locale
 
     def __init__(self, locale: str = DEFAULT_LOCALE) -> None:
-
         self.locale = locales.get_locale(locale)
 
     def format(cls, dt: datetime, fmt: str) -> str:
-
         # FIXME: _format_token() is nullable
         return cls._FORMAT_RE.sub(
             lambda m: cast(str, cls._format_token(dt, m.group(0))), fmt
         )
 
     def _format_token(self, dt: datetime, token: Optional[str]) -> Optional[str]:
-
         if token and token.startswith("[") and token.endswith("]"):
             return token[1:-1]