python-semver
diff --git a/‎README.rst
Lines changed: 4 additions & 1 deletion b/‎README.rst
Lines changed: 4 additions & 1 deletion
diff --git a/‎docs/conf.py
Lines changed: 51 additions & 41 deletions b/‎docs/conf.py
Lines changed: 51 additions & 41 deletions
diff --git a/‎pyproject.toml
Lines changed: 20 additions & 0 deletions b/‎pyproject.toml
Lines changed: 20 additions & 0 deletions
@@ -5,7 +5,7 @@ Quickstart
 
 A Python module for `semantic versioning`_. Simplifies comparing versions.
 
-|build-status| |python-support| |downloads| |license| |docs|
+|build-status| |python-support| |downloads| |license| |docs| |black|
 
 .. teaser-end
 
@@ -125,3 +125,6 @@ There are other functions to discover. Read on!
    :target: http://python-semver.readthedocs.io/en/latest/?badge=latest
    :alt: Documentation Status
 .. _semantic versioning: http://semver.org/
+.. |black| image:: https://img.shields.io/badge/code%20style-black-000000.svg
+    :target: https://github.com/psf/black
+    :alt: Black Formatter
@@ -18,7 +18,8 @@
 #
 import os
 import sys
-sys.path.insert(0, os.path.abspath('..'))
+
+sys.path.insert(0, os.path.abspath(".."))
 
 from semver import __version__  # noqa: E402
 
@@ -32,27 +33,27 @@
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
 extensions = [
-    'sphinx.ext.autodoc',
-    'sphinx.ext.intersphinx',
-    'sphinx.ext.napoleon',
-    'sphinx.ext.extlinks',
+    "sphinx.ext.autodoc",
+    "sphinx.ext.intersphinx",
+    "sphinx.ext.napoleon",
+    "sphinx.ext.extlinks",
 ]
 
 # Add any paths that contain templates here, relative to this directory.
-templates_path = ['_templates']
+templates_path = ["_templates"]
 
 # The suffix(es) of source filenames.
 # You can specify multiple suffix as a list of string:
 #
-source_suffix = '.rst'
+source_suffix = ".rst"
 
 # The master toctree document.
-master_doc = 'index'
+master_doc = "index"
 
 # General information about the project.
-project = 'python-semver'
-copyright = '2018, Kostiantyn Rybnikov and all'
-author = 'Kostiantyn Rybnikov and all'
+project = "python-semver"
+copyright = "2018, Kostiantyn Rybnikov and all"
+author = "Kostiantyn Rybnikov and all"
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the
@@ -73,29 +74,28 @@
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.
 # This patterns also effect to html_static_path and html_extra_path
-exclude_patterns = ['_build', 'Thumbs.db', '.DS_Store']
+exclude_patterns = ["_build", "Thumbs.db", ".DS_Store"]
 
 # The name of the Pygments (syntax highlighting) style to use.
-pygments_style = 'sphinx'
+pygments_style = "sphinx"
 
 # If true, `todo` and `todoList` produce output, else they produce nothing.
 todo_include_todos = False
 
 # Markup to shorten external links
 # See https://www.sphinx-doc.org/en/master/usage/extensions/extlinks.html
-extlinks = {'gh': ('https://github.com/python-semver/python-semver/issues/%s',
-                   '#'),
-            'pr': ('https://github.com/python-semver/python-semver/pull/%s',
-                   'PR #'),
-            }
+extlinks = {
+    "gh": ("https://github.com/python-semver/python-semver/issues/%s", "#"),
+    "pr": ("https://github.com/python-semver/python-semver/pull/%s", "PR #"),
+}
 
 # -- Options for HTML output ----------------------------------------------
 
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
 #
 # html_theme = 'alabaster'
-html_theme = 'sphinx_rtd_theme'
+html_theme = "sphinx_rtd_theme"
 
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the
@@ -106,22 +106,22 @@
 # Add any paths that contain custom static files (such as style sheets) here,
 # relative to this directory. They are copied after the builtin static files,
 # so a file named "default.css" will overwrite the builtin "default.css".
-html_static_path = ['_static']
+html_static_path = ["_static"]
 
-html_css_files = ['css/default.css']
+html_css_files = ["css/default.css"]
 
 # Custom sidebar templates, must be a dictionary that maps document names
 # to template names.
 #
 # This is required for the alabaster theme
 # refs: http://alabaster.readthedocs.io/en/latest/installation.html#sidebars
 html_sidebars = {
-    '**': [
-        'about.html',
-        'navigation.html',
-        'relations.html',  # needs 'show_related': True theme option to display
-        'searchbox.html',
-        'donate.html',
+    "**": [
+        "about.html",
+        "navigation.html",
+        "relations.html",  # needs 'show_related': True theme option to display
+        "searchbox.html",
+        "donate.html",
     ]
 }
 
@@ -130,7 +130,7 @@
 # -- Options for HTMLHelp output ------------------------------------------
 
 # Output file base name for HTML help builder.
-htmlhelp_basename = 'semverdoc'
+htmlhelp_basename = "semverdoc"
 
 
 # -- Options for LaTeX output ---------------------------------------------
@@ -139,15 +139,12 @@
     # The paper size ('letterpaper' or 'a4paper').
     #
     # 'papersize': 'letterpaper',
-
     # The font size ('10pt', '11pt' or '12pt').
     #
     # 'pointsize': '10pt',
-
     # Additional stuff for the LaTeX preamble.
     #
     # 'preamble': '',
-
     # Latex figure (float) alignment
     #
     # 'figure_align': 'htbp',
@@ -157,8 +154,13 @@
 # (source start file, target name, title,
 #  author, documentclass [howto, manual, or own class]).
 latex_documents = [
-    (master_doc, 'semver.tex', 'python-semver Documentation',
-     'Kostiantyn Rybnikov and all', 'manual'),
+    (
+        master_doc,
+        "semver.tex",
+        "python-semver Documentation",
+        "Kostiantyn Rybnikov and all",
+        "manual",
+    )
 ]
 
 
@@ -169,11 +171,13 @@
 manpage_doc = "pysemver"
 
 man_pages = [
-    (manpage_doc,
-     'pysemver',
-     'Helper script for Semantic Versioning',
-     ["Thomas Schraitle"],
-     1)
+    (
+        manpage_doc,
+        "pysemver",
+        "Helper script for Semantic Versioning",
+        ["Thomas Schraitle"],
+        1,
+    )
 ]
 
 
@@ -183,7 +187,13 @@
 # (source start file, target name, title, author,
 #  dir menu entry, description, category)
 texinfo_documents = [
-    (master_doc, 'semver', 'python-semver Documentation',
-     author, 'semver', 'One line description of project.',
-     'Miscellaneous'),
+    (
+        master_doc,
+        "semver",
+        "python-semver Documentation",
+        author,
+        "semver",
+        "One line description of project.",
+        "Miscellaneous",
+    )
 ]
@@ -0,0 +1,20 @@
+[tool.black]
+line-length = 88
+target-version = ['py37']
+include = '\.pyi?$'
+# diff = true
+exclude = '''
+(
+  /(
+    \.eggs         # exclude a few common directories in the
+    | \.git          # root of the project
+    | \.mypy_cache
+    | \.tox
+    | \.venv
+    | \.env
+    | _build
+    | build
+    | dist
+  )/
+)
+'''