Add Black to pre-commit (#361)

This commits re-formats the codebase using black

.pre-commit-config.yaml

@@ -1,5 +1,5 @@
 default_language_version:
-  python: python3.10
+  python: python3.7
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
     rev: v4.2.0
@@ -16,6 +16,14 @@ repos:
     hooks:
       - id: isort
         name: isort (python)
+  - repo: https://github.com/asottile/pyupgrade
+    rev: v2.37.3
+    hooks:
+      - id: pyupgrade
+  - repo: https://github.com/psf/black
+    rev: 22.6.0
+    hooks:
+      - id: black
   - repo: https://github.com/PyCQA/flake8
     rev: 4.0.0
     hooks:

docs/conf.py

@@ -1,6 +1,6 @@
 import os
 
-on_rtd = os.environ.get('READTHEDOCS', None) == 'True'
+on_rtd = os.environ.get("READTHEDOCS", None) == "True"
 
 # -*- coding: utf-8 -*-
 #
@@ -34,46 +34,46 @@
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
 extensions = [
-    'sphinx.ext.autodoc',
-    'sphinx.ext.intersphinx',
-    'sphinx.ext.todo',
-    'sphinx.ext.coverage',
-    'sphinx.ext.viewcode',
+    "sphinx.ext.autodoc",
+    "sphinx.ext.intersphinx",
+    "sphinx.ext.todo",
+    "sphinx.ext.coverage",
+    "sphinx.ext.viewcode",
 ]
 if not on_rtd:
     extensions += [
-        'sphinx.ext.githubpages',
+        "sphinx.ext.githubpages",
     ]
 
 # 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', '.md']
-source_suffix = '.rst'
+source_suffix = ".rst"
 
 # The encoding of source files.
 #
 # source_encoding = 'utf-8-sig'
 
 # The master toctree document.
-master_doc = 'index'
+master_doc = "index"
 
 # General information about the project.
-project = u'Graphene Django'
-copyright = u'Graphene 2016'
-author = u'Syrus Akbary'
+project = "Graphene Django"
+copyright = "Graphene 2016"
+author = "Syrus Akbary"
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the
 # built documents.
 #
 # The short X.Y version.
-version = u'1.0'
+version = "1.0"
 # The full version, including alpha/beta/rc tags.
-release = u'1.0.dev'
+release = "1.0.dev"
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
@@ -94,7 +94,7 @@
 # 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 reST default role (used for this markup: `text`) to use for all
 # documents.
@@ -116,7 +116,7 @@
 # show_authors = False
 
 # The name of the Pygments (syntax highlighting) style to use.
-pygments_style = 'sphinx'
+pygments_style = "sphinx"
 
 # A list of ignored prefixes for module index sorting.
 # modindex_common_prefix = []
@@ -175,7 +175,7 @@
 # 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"]
 
 # Add any extra paths that contain custom files (such as robots.txt or
 # .htaccess) here, relative to this directory. These files are copied
@@ -255,34 +255,30 @@
 # html_search_scorer = 'scorer.js'
 
 # Output file base name for HTML help builder.
-htmlhelp_basename = 'Graphenedoc'
+htmlhelp_basename = "Graphenedoc"
 
 # -- Options for LaTeX output ---------------------------------------------
 
 latex_elements = {
-     # 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',
+    # 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',
 }
 
 # Grouping the document tree into LaTeX files. List of tuples
 # (source start file, target name, title,
 #  author, documentclass [howto, manual, or own class]).
 latex_documents = [
-    (master_doc, 'Graphene.tex', u'Graphene Documentation',
-     u'Syrus Akbary', 'manual'),
+    (master_doc, "Graphene.tex", "Graphene Documentation", "Syrus Akbary", "manual"),
 ]
 
 # The name of an image file (relative to this directory) to place at the top of
@@ -323,8 +319,7 @@
 # One entry per manual page. List of tuples
 # (source start file, name, description, authors, manual section).
 man_pages = [
-    (master_doc, 'graphene_django', u'Graphene Django Documentation',
-     [author], 1)
+    (master_doc, "graphene_django", "Graphene Django Documentation", [author], 1)
 ]
 
 # If true, show URL addresses after external links.
@@ -338,9 +333,15 @@
 # (source start file, target name, title, author,
 #  dir menu entry, description, category)
 texinfo_documents = [
-    (master_doc, 'Graphene-Django', u'Graphene Django Documentation',
-     author, 'Graphene Django', 'One line description of project.',
-     'Miscellaneous'),
+    (
+        master_doc,
+        "Graphene-Django",
+        "Graphene Django Documentation",
+        author,
+        "Graphene Django",
+        "One line description of project.",
+        "Miscellaneous",
+    ),
 ]
 
 # Documents to append as an appendix to all manuals.
@@ -414,7 +415,7 @@
 # epub_post_files = []
 
 # A list of files that should not be packed into the epub file.
-epub_exclude_files = ['search.html']
+epub_exclude_files = ["search.html"]
 
 # The depth of the table of contents in toc.ncx.
 #
@@ -446,4 +447,4 @@
 
 
 # Example configuration for intersphinx: refer to the Python standard library.
-intersphinx_mapping = {'https://docs.python.org/': None}
+intersphinx_mapping = {"https://docs.python.org/": None}

examples/flask_sqlalchemy/database.py

@@ -2,10 +2,10 @@
 from sqlalchemy.ext.declarative import declarative_base
 from sqlalchemy.orm import scoped_session, sessionmaker
 
-engine = create_engine('sqlite:///database.sqlite3', convert_unicode=True)
-db_session = scoped_session(sessionmaker(autocommit=False,
-                                         autoflush=False,
-                                         bind=engine))
+engine = create_engine("sqlite:///database.sqlite3", convert_unicode=True)
+db_session = scoped_session(
+    sessionmaker(autocommit=False, autoflush=False, bind=engine)
+)
 Base = declarative_base()
 Base.query = db_session.query_property()
 
@@ -15,24 +15,25 @@ def init_db():
     # they will be registered properly on the metadata.  Otherwise
     # you will have to import them first before calling init_db()
     from models import Department, Employee, Role
+
     Base.metadata.drop_all(bind=engine)
     Base.metadata.create_all(bind=engine)
 
     # Create the fixtures
-    engineering = Department(name='Engineering')
+    engineering = Department(name="Engineering")
     db_session.add(engineering)
-    hr = Department(name='Human Resources')
+    hr = Department(name="Human Resources")
     db_session.add(hr)
 
-    manager = Role(name='manager')
+    manager = Role(name="manager")
     db_session.add(manager)
-    engineer = Role(name='engineer')
+    engineer = Role(name="engineer")
     db_session.add(engineer)
 
-    peter = Employee(name='Peter', department=engineering, role=engineer)
+    peter = Employee(name="Peter", department=engineering, role=engineer)
     db_session.add(peter)
-    roy = Employee(name='Roy', department=engineering, role=engineer)
+    roy = Employee(name="Roy", department=engineering, role=engineer)
     db_session.add(roy)
-    tracy = Employee(name='Tracy', department=hr, role=manager)
+    tracy = Employee(name="Tracy", department=hr, role=manager)
     db_session.add(tracy)
     db_session.commit()

examples/flask_sqlalchemy/models.py

@@ -4,35 +4,31 @@
 
 
 class Department(Base):
-    __tablename__ = 'department'
+    __tablename__ = "department"
     id = Column(Integer, primary_key=True)
     name = Column(String)
 
 
 class Role(Base):
-    __tablename__ = 'roles'
+    __tablename__ = "roles"
     role_id = Column(Integer, primary_key=True)
     name = Column(String)
 
 
 class Employee(Base):
-    __tablename__ = 'employee'
+    __tablename__ = "employee"
     id = Column(Integer, primary_key=True)
     name = Column(String)
     # Use default=func.now() to set the default hiring time
     # of an Employee to be the current time when an
     # Employee record was created
     hired_on = Column(DateTime, default=func.now())
-    department_id = Column(Integer, ForeignKey('department.id'))
-    role_id = Column(Integer, ForeignKey('roles.role_id'))
+    department_id = Column(Integer, ForeignKey("department.id"))
+    role_id = Column(Integer, ForeignKey("roles.role_id"))
     # Use cascade='delete,all' to propagate the deletion of a Department onto its Employees
     department = relationship(
-        Department,
-        backref=backref('employees',
-                        uselist=True,
-                        cascade='delete,all'))
+        Department, backref=backref("employees", uselist=True, cascade="delete,all")
+    )
     role = relationship(
-        Role,
-        backref=backref('roles',
-                        uselist=True,
-                        cascade='delete,all'))
+        Role, backref=backref("roles", uselist=True, cascade="delete,all")
+    )

examples/flask_sqlalchemy/schema.py

@@ -10,26 +10,27 @@
 class Department(SQLAlchemyObjectType):
     class Meta:
         model = DepartmentModel
-        interfaces = (relay.Node, )
+        interfaces = (relay.Node,)
 
 
 class Employee(SQLAlchemyObjectType):
     class Meta:
         model = EmployeeModel
-        interfaces = (relay.Node, )
+        interfaces = (relay.Node,)
 
 
 class Role(SQLAlchemyObjectType):
     class Meta:
         model = RoleModel
-        interfaces = (relay.Node, )
+        interfaces = (relay.Node,)
 
 
 class Query(graphene.ObjectType):
     node = relay.Node.Field()
     # Allow only single column sorting
     all_employees = SQLAlchemyConnectionField(
-        Employee.connection, sort=Employee.sort_argument())
+        Employee.connection, sort=Employee.sort_argument()
+    )
     # Allows sorting over multiple columns, by default over the primary key
     all_roles = SQLAlchemyConnectionField(Role.connection)
     # Disable sorting over this field