Deprecate Python 3.6 and add Python 3.10.

.github/workflows/continuous-integration-workflow.yml

@@ -18,7 +18,7 @@ jobs:
       fail-fast: false
       matrix:
         os: ['ubuntu-latest', 'macos-latest', 'windows-latest']
-        python-version: ['3.6', '3.7', '3.8', '3.9']
+        python-version: ['3.7', '3.8', '3.9', '3.10']
 
     steps:
       - uses: actions/checkout@v2
@@ -50,7 +50,7 @@ jobs:
         run: tox -e pytest -- src tests -m "unit or (not integration and not end_to_end)" --cov=./ --cov-report=xml -n auto
 
       - name: Upload coverage report for unit tests and doctests.
-        if: runner.os == 'Linux' && matrix.python-version == '3.8'
+        if: runner.os == 'Linux' && matrix.python-version == '3.9'
         shell: bash -l {0}
         run: bash <(curl -s https://codecov.io/bash) -F unit -c
 
@@ -59,6 +59,6 @@ jobs:
         run: tox -e pytest -- src tests -m end_to_end --cov=./ --cov-report=xml -n auto
 
       - name: Upload coverage reports of end-to-end tests.
-        if: runner.os == 'Linux' && matrix.python-version == '3.8'
+        if: runner.os == 'Linux' && matrix.python-version == '3.9'
         shell: bash -l {0}
         run: bash <(curl -s https://codecov.io/bash) -F end_to_end -c

.pre-commit-config.yaml

@@ -1,6 +1,6 @@
 repos:
 -   repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.0.1
+    rev: v4.1.0
     hooks:
     -   id: check-added-large-files
         args: ['--maxkb=25']
@@ -22,24 +22,25 @@ repos:
     -   id: rst-inline-touching-normal
     -   id: text-unicode-replacement-char
 -   repo: https://github.com/asottile/pyupgrade
-    rev: v2.29.0
+    rev: v2.31.0
     hooks:
     -   id: pyupgrade
-        args: [--py36-plus]
+        args: [--py37-plus]
 -   repo: https://github.com/asottile/reorder_python_imports
-    rev: v2.6.0
+    rev: v2.7.1
     hooks:
     -   id: reorder-python-imports
+        args: [--py37-plus, --add-import, 'from __future__ import annotations']
 -   repo: https://github.com/asottile/setup-cfg-fmt
-    rev: v1.19.0
+    rev: v1.20.0
     hooks:
     -   id: setup-cfg-fmt
 -   repo: https://github.com/psf/black
-    rev: 21.10b0
+    rev: 22.1.0
     hooks:
     -   id: black
 -   repo: https://github.com/asottile/blacken-docs
-    rev: v1.11.0
+    rev: v1.12.1
     hooks:
     -   id: blacken-docs
         additional_dependencies: [black]

setup.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 from setuptools import setup
 
 

src/latex_dependency_scanner/__init__.py

@@ -1,4 +1,6 @@
 """The name space for the package."""
+from __future__ import annotations
+
 from latex_dependency_scanner.compile import compile_pdf
 from latex_dependency_scanner.scanner import scan
 

src/latex_dependency_scanner/compile.py

@@ -4,21 +4,21 @@
 be used by users to compile their documents.
 
 """
+from __future__ import annotations
+
 import os
 import shutil
 import subprocess
 from pathlib import Path
-from typing import List
-from typing import Optional
 
 
 DEFAULT_OPTIONS = ["--pdf", "--interaction=nonstopmode", "--synctex=1", "--cd"]
 
 
 def compile_pdf(
     latex_document: Path,
-    compiled_document: Optional[Path] = None,
-    args: Optional[List[str]] = None,
+    compiled_document: Path | None = None,
+    args: list[str] | None = None,
 ):
     """Generate a PDF from LaTeX document."""
     if shutil.which("latexmk") is None:
@@ -30,8 +30,8 @@ def compile_pdf(
 
 def _prepare_cmd_options(
     latex_document: Path,
-    compiled_document: Optional[Path] = None,
-    args: Optional[List[str]] = None,
+    compiled_document: Path | None = None,
+    args: list[str] | None = None,
 ):
     """Prepare the command line arguments to compile the LaTeX document.
 

src/latex_dependency_scanner/scanner.py

@@ -1,10 +1,10 @@
 """Includes the ability to scan a LaTeX document."""
+from __future__ import annotations
+
 import re
 from os.path import splitext
 from pathlib import Path
-from typing import List
-from typing import Optional
-from typing import Union
+
 
 COMMON_TEX_EXTENSIONS = [".ltx", ".tex"]
 """List[str]: List of typical file extensions that contain latex"""
@@ -47,7 +47,7 @@
 document."""
 
 
-def scan(paths: Union[Path, List[Path]]):
+def scan(paths: Path | list[Path]):
     """Scan the documents provided as paths for included files.
 
     Parameters
@@ -70,8 +70,8 @@ def scan(paths: Union[Path, List[Path]]):
 
 def yield_nodes_from_node(
     node: Path,
-    nodes: List[Path],
-    relative_to: Optional[Path] = None,
+    nodes: list[Path],
+    relative_to: Path | None = None,
 ):
     r"""Yield nodes from node.
 

tests/conftest.py

@@ -1,4 +1,6 @@
 """Configuration file for pytest."""
+from __future__ import annotations
+
 import shutil
 from pathlib import Path
 

tests/test_regex.py

@@ -1,4 +1,6 @@
 """Test regular expressions."""
+from __future__ import annotations
+
 import pytest
 from latex_dependency_scanner.scanner import REGEX_TEX
 

tests/test_scan.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 import shutil
 import textwrap