Upgrade dependencies and update runtime configs

Author: joowani

Diff for: .github/workflows/build.yaml

@@ -13,7 +13,7 @@ jobs:
     strategy:
       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
       - name: Fetch complete history for all tags and branches

Diff for: .pre-commit-config.yaml

@@ -1,6 +1,6 @@
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v3.4.0
+    rev: v4.1.0
     hooks:
       - id: check-case-conflict
       - id: check-executables-have-shebangs
@@ -12,20 +12,22 @@ repos:
       - id: end-of-file-fixer
       - id: mixed-line-ending
   - repo: https://github.com/psf/black
-    rev: 20.8b1
+    rev: 22.1.0
     hooks:
       - id: black
   - repo: https://github.com/timothycrosley/isort
-    rev: 5.7.0
+    rev: 5.10.1
     hooks:
       - id: isort
         args: [ --profile, black ]
   - repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v0.790
+    rev: v0.931
     hooks:
       - id: mypy
         files: ^binarytree/
+        additional_dependencies: [ types-all ]
+        args: [ --strict ]
   - repo: https://gitlab.com/pycqa/flake8
-    rev: 3.8.4
+    rev: 4.0.1
     hooks:
       - id: flake8

Diff for: README.md

@@ -5,7 +5,7 @@
 [![codecov](https://codecov.io/gh/joowani/binarytree/branch/main/graph/badge.svg?token=C2X2OMPL65)](https://codecov.io/gh/joowani/binarytree)
 [![PyPI version](https://badge.fury.io/py/binarytree.svg)](https://badge.fury.io/py/binarytree)
 [![GitHub license](https://img.shields.io/github/license/joowani/binarytree?color=brightgreen)](https://github.com/joowani/binarytree/blob/main/LICENSE)
-![Python version](https://img.shields.io/badge/python-3.6%2B-blue)
+![Python version](https://img.shields.io/badge/python-3.7%2B-blue)
 
 Are you studying binary trees for your next exam, assignment or technical interview?
 
@@ -23,14 +23,14 @@ Binarytree can be used with [Graphviz](https://graphviz.org) and
 
 ## Requirements
 
-Python 3.6+
+Python 3.7+
 
 ## Installation
 
 Install via [pip](https://pip.pypa.io):
 
 ```shell
-pip install binarytree
+pip install binarytree --upgrade
 ```
 
 For [conda](https://docs.conda.io) users:

Diff for: binarytree/__init__.py

@@ -512,7 +512,7 @@ def svg(self, node_radius: int = 16) -> str:
 
         def scale_x(x: int, y: int) -> float:
             diff = tree_height - y
-            x = 2 ** (diff + 1) * x + 2 ** diff - 1
+            x = 2 ** (diff + 1) * x + 2**diff - 1
             return 1 + node_radius + scale * x / 2
 
         def scale_y(y: int) -> float:
@@ -562,7 +562,7 @@ def add_node(node_x: int, node_y: int, node_value: NodeValue) -> None:
             y += 1
 
         return _SVG_XML_TEMPLATE.format(
-            width=scale * (2 ** tree_height),
+            width=scale * (2**tree_height),
             height=scale * (2 + tree_height),
             body="\n".join(xml),
         )
@@ -1833,7 +1833,7 @@ def _generate_random_leaf_count(height: int) -> int:
     :return: Random leaf count.
     :rtype: int
     """
-    max_leaf_count = 2 ** height
+    max_leaf_count = 2**height
     half_leaf_count = max_leaf_count // 2
 
     # A very naive way of mimicking normal distribution
@@ -2016,7 +2016,7 @@ def _get_tree_properties(root: Node) -> NodeProperties:
         size=size,
         is_max_heap=is_complete and is_descending,
         is_min_heap=is_complete and is_ascending,
-        is_perfect=leaf_count == 2 ** max_leaf_depth,
+        is_perfect=leaf_count == 2**max_leaf_depth,
         is_strict=is_strict,
         is_complete=is_complete,
         leaf_count=leaf_count,
@@ -2486,7 +2486,7 @@ def heap(
 
     if not is_perfect:
         # Randomly cut some of the leaf nodes away
-        random_cut = random.randint(2 ** height, len(values))
+        random_cut = random.randint(2**height, len(values))
         values = values[:random_cut]
 
     if is_max:

Diff for: docs/index.rst

@@ -5,7 +5,7 @@ Binarytree: Python Library for Studying Binary Trees
     :alt: GitHub License
     :target: https://github.com/joowani/binarytree/blob/main/LICENSE
 
-.. image:: https://img.shields.io/badge/python-3.6%2B-blue
+.. image:: https://img.shields.io/badge/python-3.7%2B-blue
     :alt: Python Versions
 
 Welcome to the documentation for **binarytree**.
@@ -18,7 +18,7 @@ supported.
 Requirements
 ============
 
-Python 3.6+
+Python 3.7+
 
 Installation
 ============
@@ -27,7 +27,7 @@ Install via pip_:
 
 .. code-block:: bash
 
-    pip install binarytree
+    pip install binarytree --upgrade
 
 For conda_ users:
 

Diff for: pyproject.toml

@@ -11,3 +11,9 @@ testpaths = ["tests"]
 
 [tool.setuptools_scm]
 write_to = "binarytree/version.py"
+
+[tool.mypy]
+warn_return_any = true
+warn_unused_configs = true
+ignore_missing_imports = true
+strict = true

Diff for: setup.cfg

@@ -3,7 +3,3 @@ max-line-length = 88
 extend-ignore = E203, E741, W503
 exclude =.git .idea .*_cache dist htmlcov venv
 per-file-ignores = __init__.py:F401 conf.py:E402
-
-[mypy]
-ignore_missing_imports = True
-strict = True

Diff for: setup.py

@@ -14,24 +14,24 @@
     keywords=["tree", "heap", "bst", "education"],
     packages=find_packages(exclude=["tests"]),
     include_package_data=True,
-    python_requires=">=3.6",
+    python_requires=">=3.7",
     license="MIT",
     use_scm_version=True,
     setup_requires=["setuptools_scm"],
     install_requires=[
         "graphviz",
-        "setuptools>=42",
-        "setuptools_scm[toml]>=3.4",
+        "setuptools>=60.8.2",
+        "setuptools_scm[toml]>=5.0.1",
     ],
     extras_require={
         "dev": [
-            "black",
-            "flake8>=3.8.4",
-            "isort>=5.0.0",
-            "mypy>=0.790",
-            "pre-commit>=2.9.3",
-            "pytest>=6.0.0",
-            "pytest-cov>=2.0.0",
+            "black>=22.1.0",
+            "flake8>=4.0.1",
+            "isort>=5.10.1",
+            "mypy>=0.931",
+            "pre-commit>=2.17.0",
+            "pytest>=6.2.1",
+            "pytest-cov>=2.10.1",
             "sphinx",
             "sphinx_rtd_theme",
             "types-setuptools",