Drop Python 3.5 and 3.6 and upgrade GA (#393)

* Drop Python 3.5 and 3.6

* Tox and GitHub Actions upgrade

* Fix pypy version

Co-authored-by: Saurabh Kumar <theskumar@users.noreply.github.com>

.github/workflows/test.yml

@@ -10,15 +10,15 @@ jobs:
       matrix:
         os:
           - ubuntu-latest
-        python-version: [3.5, 3.6, 3.7, 3.8, 3.9, "3.10", "3.11.0-alpha - 3.11", pypy3]
+        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11.0-beta.4 - 3.11", pypy3.9]
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
-      run: |
+      run:
         python -m pip install --upgrade pip
         pip install tox tox-gh-actions
     - name: Test with tox

setup.py

@@ -31,7 +31,7 @@ def read_files(files):
     package_data={
         'dotenv': ['py.typed'],
     },
-    python_requires=">=3.5",
+    python_requires=">=3.7",
     extras_require={
         'cli': ['click>=5.0', ],
     },
@@ -45,8 +45,6 @@ def read_files(files):
         'Development Status :: 5 - Production/Stable',
         'Programming Language :: Python',
         'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.5',
-        'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
         'Programming Language :: Python :: 3.9',

src/dotenv/main.py

@@ -14,11 +14,6 @@
 
 logger = logging.getLogger(__name__)
 
-if sys.version_info >= (3, 6):
-    _PathLike = os.PathLike
-else:
-    _PathLike = str
-
 
 def with_warn_for_invalid_lines(mappings: Iterator[Binding]) -> Iterator[Binding]:
     for mapping in mappings:
@@ -33,14 +28,14 @@ def with_warn_for_invalid_lines(mappings: Iterator[Binding]) -> Iterator[Binding
 class DotEnv():
     def __init__(
         self,
-        dotenv_path: Optional[Union[str, _PathLike]],
+        dotenv_path: Optional[Union[str, os.PathLike]],
         stream: Optional[IO[str]] = None,
         verbose: bool = False,
         encoding: Union[None, str] = None,
         interpolate: bool = True,
         override: bool = True,
     ) -> None:
-        self.dotenv_path = dotenv_path  # type: Optional[Union[str, _PathLike]]
+        self.dotenv_path = dotenv_path  # type: Optional[Union[str, os.PathLike]]
         self.stream = stream  # type: Optional[IO[str]]
         self._dict = None  # type: Optional[Dict[str, Optional[str]]]
         self.verbose = verbose  # type: bool
@@ -113,7 +108,7 @@ def get(self, key: str) -> Optional[str]:
 
 
 def get_key(
-    dotenv_path: Union[str, _PathLike],
+    dotenv_path: Union[str, os.PathLike],
     key_to_get: str,
     encoding: Optional[str] = "utf-8",
 ) -> Optional[str]:
@@ -127,7 +122,7 @@ def get_key(
 
 @contextmanager
 def rewrite(
-    path: Union[str, _PathLike],
+    path: Union[str, os.PathLike],
     encoding: Optional[str],
 ) -> Iterator[Tuple[IO[str], IO[str]]]:
     try:
@@ -146,7 +141,7 @@ def rewrite(
 
 
 def set_key(
-    dotenv_path: Union[str, _PathLike],
+    dotenv_path: Union[str, os.PathLike],
     key_to_set: str,
     value_to_set: str,
     quote_mode: str = "always",
@@ -195,7 +190,7 @@ def set_key(
 
 
 def unset_key(
-    dotenv_path: Union[str, _PathLike],
+    dotenv_path: Union[str, os.PathLike],
     key_to_unset: str,
     quote_mode: str = "always",
     encoding: Optional[str] = "utf-8",
@@ -310,7 +305,7 @@ def _is_interactive():
 
 
 def load_dotenv(
-    dotenv_path: Union[str, _PathLike, None] = None,
+    dotenv_path: Union[str, os.PathLike, None] = None,
     stream: Optional[IO[str]] = None,
     verbose: bool = False,
     override: bool = False,
@@ -348,7 +343,7 @@ def load_dotenv(
 
 
 def dotenv_values(
-    dotenv_path: Union[str, _PathLike, None] = None,
+    dotenv_path: Union[str, os.PathLike, None] = None,
     stream: Optional[IO[str]] = None,
     verbose: bool = False,
     interpolate: bool = True,

tox.ini

@@ -3,22 +3,20 @@ envlist = lint,py{35,36,37,38,39,310,311},pypy3,manifest,coverage-report
 
 [gh-actions]
 python =
-    3.5: py35, coverage-report
-    3.6: py36, coverage-report
     3.7: py37, coverage-report
     3.8: py38, coverage-report
     3.9: py39, coverage-report
     3.10: py310, lint, manifest, coverage-report
     3.11: py311, coverage-report
-    pypy3: pypy3, coverage-report
+    pypy-3.9: pypy3, coverage-report
 
 [testenv]
 deps =
   pytest
   coverage
   sh
   click
-  py{35,36,37,38,39,310,311,py3}: ipython
+  py{37,38,39,310,311,py3}: ipython
 commands = coverage run --parallel -m pytest {posargs}
 
 [testenv:lint]
@@ -33,8 +31,6 @@ commands =
   mypy --python-version=3.9 src tests
   mypy --python-version=3.8 src tests
   mypy --python-version=3.7 src tests
-  mypy --python-version=3.6 src tests
-  mypy --python-version=3.5 src tests
 
 [testenv:manifest]
 deps = check-manifest