Update .pre-commit-config.yaml

.appveyor.yml

@@ -7,18 +7,13 @@ image:
 environment:
   matrix:
     - TOXENV: check
-    - TOXENV: 'py27-pytest46-xdist127-coverage55'
-    - TOXENV: 'py35-pytest46-xdist127-coverage55'
     - TOXENV: 'py36-pytest46-xdist127-coverage55,py36-pytest46-xdist133-coverage55,py36-pytest54-xdist133-coverage55,py36-pytest62-xdist202-coverage55'
     - TOXENV: 'py37-pytest46-xdist127-coverage55,py37-pytest46-xdist133-coverage55,py37-pytest54-xdist133-coverage55,py37-pytest62-xdist202-coverage55'
     - TOXENV: 'py38-pytest46-xdist133-coverage55,py38-pytest54-xdist133-coverage55,py38-pytest62-xdist202-coverage55'
     - TOXENV: 'py39-pytest62-xdist202-coverage55'
-    - TOXENV: 'pypy-pytest46-xdist127-coverage55'
     - TOXENV: 'pypy3-pytest46-xdist127-coverage55,pypy3-pytest46-xdist133-coverage55,pypy3-pytest54-xdist133-coverage55,pypy3-pytest62-xdist202-coverage55'
 matrix:
   exclude:
-    - image: Visual Studio 2019
-      TOXENV: 'py27-pytest46-xdist127-coverage55'
     - image: Visual Studio 2015
       TOXENV: 'py36-pytest46-xdist127-coverage55,py36-pytest46-xdist133-coverage55,py36-pytest54-xdist133-coverage55,py36-pytest62-xdist202-coverage55'
     - image: Visual Studio 2015
@@ -27,15 +22,12 @@ matrix:
       TOXENV: 'py38-pytest46-xdist133-coverage55,py38-pytest54-xdist133-coverage55,py38-pytest62-xdist202-coverage55'
     - image: Visual Studio 2015
       TOXENV: 'py39-pytest62-xdist202-coverage55'
-    - image: Visual Studio 2015
-      TOXENV: 'pypy-pytest46-xdist127-coverage55'
     - image: Visual Studio 2015
       TOXENV: 'pypy3-pytest46-xdist127-coverage55,pypy3-pytest46-xdist133-coverage55,pypy3-pytest54-xdist133-coverage55,pypy3-pytest62-xdist202-coverage55'
 init:
   - ps: echo $env:TOXENV
   - ps: ls C:\Python*
 install:
-  - IF "%TOXENV:~0,5%" == "pypy-" choco install --no-progress python.pypy
   - IF "%TOXENV:~0,6%" == "pypy3-" choco install --no-progress pypy3
   - SET PATH=C:\tools\pypy\pypy;%PATH%
   - C:\Python37\python -m pip install --progress-bar=off tox -rci/requirements.txt

.pre-commit-config.yaml

@@ -2,13 +2,13 @@
 #   pre-commit install
 # To update the pre-commit hooks run:
 #   pre-commit install-hooks
-exclude: '^(src/.*\.pth|\.tox|ci/templates|\.bumpversion\.cfg)(/|$)'
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
     rev: v4.0.1
     hooks:
       - id: trailing-whitespace
       - id: end-of-file-fixer
+        exclude: '.*\.pth$'
       - id: debug-statements
   - repo: https://github.com/PyCQA/isort
     rev: 5.9.3
@@ -18,3 +18,8 @@ repos:
     rev: 3.9.2
     hooks:
       - id: flake8
+  - repo: https://github.com/asottile/pyupgrade
+    rev: v2.23.3
+    hooks:
+      - id: pyupgrade
+        args: [--py36-plus]

ci/bootstrap.py

@@ -1,8 +1,4 @@
 #!/usr/bin/env python
-# -*- coding: utf-8 -*-
-from __future__ import absolute_import
-from __future__ import print_function
-from __future__ import unicode_literals
 
 import os
 import subprocess
@@ -30,7 +26,7 @@ def exec_in_env():
     if not exists(env_path):
         import subprocess
 
-        print("Making bootstrap env in: {0} ...".format(env_path))
+        print(f"Making bootstrap env in: {env_path} ...")
         try:
             check_call([sys.executable, "-m", "venv", env_path])
         except subprocess.CalledProcessError:
@@ -44,15 +40,15 @@ def exec_in_env():
     if not os.path.exists(python_executable):
         python_executable += '.exe'
 
-    print("Re-executing with: {0}".format(python_executable))
+    print(f"Re-executing with: {python_executable}")
     print("+ exec", python_executable, __file__, "--no-env")
     os.execv(python_executable, [python_executable, __file__, "--no-env"])
 
 
 def main():
     import jinja2
 
-    print("Project path: {0}".format(base_path))
+    print(f"Project path: {base_path}")
 
     jinja = jinja2.Environment(
         loader=jinja2.FileSystemLoader(join(base_path, "ci", "templates")),
@@ -78,7 +74,7 @@ def main():
         with open(join(base_path, name), "w") as fh:
             fh.write('# NOTE: this file is auto-generated via ci/bootstrap.py (ci/templates/%s).\n' % name)
             fh.write(jinja.get_template(name).render(**template_vars))
-        print("Wrote {}".format(name))
+        print(f"Wrote {name}")
     print("DONE.")
 
 
@@ -89,5 +85,5 @@ def main():
     elif not args:
         exec_in_env()
     else:
-        print("Unexpected arguments {0}".format(args), file=sys.stderr)
+        print(f"Unexpected arguments {args}", file=sys.stderr)
         sys.exit(1)

docs/conf.py

@@ -1,6 +1,3 @@
-# -*- coding: utf-8 -*-
-from __future__ import unicode_literals
-
 import os
 
 import sphinx_py3doc_enhanced_theme
@@ -25,7 +22,7 @@
 project = 'pytest-cov'
 year = '2016'
 author = 'pytest-cov contributors'
-copyright = '{}, {}'.format(year, author)
+copyright = f'{year}, {author}'
 version = release = '2.12.1'
 
 pygments_style = 'trac'
@@ -47,7 +44,7 @@
 html_sidebars = {
    '**': ['searchbox.html', 'globaltoc.html', 'sourcelink.html'],
 }
-html_short_title = '%s-%s' % (project, version)
+html_short_title = f'{project}-{version}'
 
 napoleon_use_ivar = True
 napoleon_use_rtype = False

examples/adhoc-layout/example/__init__.py

@@ -1,4 +1,3 @@
-
 import sys
 
 PY2 = sys.version_info[0] == 2

examples/src-layout/src/example/__init__.py

@@ -1,4 +1,3 @@
-
 import sys
 
 PY2 = sys.version_info[0] == 2

setup.py

@@ -1,9 +1,5 @@
 #!/usr/bin/env python
-# -*- encoding: utf-8 -*-
-from __future__ import absolute_import
-from __future__ import print_function
 
-import io
 import re
 from distutils.command.build import build
 from glob import glob
@@ -22,7 +18,7 @@
 
 
 def read(*names, **kwargs):
-    with io.open(
+    with open(
         join(dirname(__file__), *names),
         encoding=kwargs.get('encoding', 'utf8')
     ) as fh:
@@ -88,7 +84,7 @@ def run(self):
     version='2.12.1',
     license='MIT',
     description='Pytest plugin for measuring coverage.',
-    long_description='%s\n%s' % (read('README.rst'), re.sub(':[a-z]+:`~?(.*?)`', r'``\1``', read('CHANGELOG.rst'))),
+    long_description='{}\n{}'.format(read('README.rst'), re.sub(':[a-z]+:`~?(.*?)`', r'``\1``', read('CHANGELOG.rst'))),
     author='Marc Schlaich',
     author_email='[email protected]',
     url='https://github.com/pytest-dev/pytest-cov',
@@ -107,9 +103,8 @@ def run(self):
         'Operating System :: POSIX',
         'Operating System :: Unix',
         'Programming Language :: Python',
-        'Programming Language :: Python :: 2',
-        'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3',
+        'Programming Language :: Python :: 3 :: Only',
         'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
@@ -126,7 +121,7 @@ def run(self):
         'pytest>=4.6',
         'coverage[toml]>=5.2.1'
     ],
-    python_requires='>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*',
+    python_requires='>=3.6',
     extras_require={
         'testing': [
             'fields',

src/pytest_cov/compat.py

@@ -14,7 +14,7 @@
     hookwrapper = pytest.mark.hookwrapper
 
 
-class SessionWrapper(object):
+class SessionWrapper:
     def __init__(self, session):
         self._session = session
         if hasattr(session, 'testsfailed'):

src/pytest_cov/engine.py

@@ -14,7 +14,7 @@
 from .embed import cleanup
 
 
-class _NullFile(object):
+class _NullFile:
     @staticmethod
     def write(v):
         pass
@@ -49,7 +49,7 @@ def ensure_topdir_wrapper(self, *args, **kwargs):
     return ensure_topdir_wrapper
 
 
-class CovController(object):
+class CovController:
     """Base class for different plugin implementations."""
 
     def __init__(self, cov_source, cov_report, cov_config, cov_append, cov_branch, config=None, nodeid=None):
@@ -116,7 +116,7 @@ def unset_env():
     def get_node_desc(platform, version_info):
         """Return a description of this node."""
 
-        return 'platform %s, python %s' % (platform, '%s.%s.%s-%s-%s' % version_info[:5])
+        return 'platform {}, python {}'.format(platform, '%s.%s.%s-%s-%s' % version_info[:5])
 
     @staticmethod
     def sep(stream, s, txt):
@@ -126,7 +126,7 @@ def sep(stream, s, txt):
             sep_total = max((70 - 2 - len(txt)), 2)
             sep_len = sep_total // 2
             sep_extra = sep_total % 2
-            out = '%s %s %s\n' % (s * sep_len, txt, s * (sep_len + sep_extra))
+            out = f'{s * sep_len} {txt} {s * (sep_len + sep_extra)}\n'
             stream.write(out)
 
     @_ensure_topdir

src/pytest_cov/plugin.py

@@ -36,7 +36,7 @@ def validate_report(arg):
     values = arg.split(":", 1)
     report_type = values[0]
     if report_type not in all_choices + ['']:
-        msg = 'invalid choice: "{}" (choose from "{}")'.format(arg, all_choices)
+        msg = f'invalid choice: "{arg}" (choose from "{all_choices}")'
         raise argparse.ArgumentTypeError(msg)
 
     if len(values) == 1:
@@ -141,7 +141,7 @@ def pytest_load_initial_conftests(early_config, parser, args):
         early_config.pluginmanager.register(plugin, '_cov')
 
 
-class CovPlugin(object):
+class CovPlugin:
     """Use coverage package to produce code coverage reports.
 
     Delegates all work to a particular implementation based on whether
@@ -196,7 +196,7 @@ def start(self, controller_cls, config=None, nodeid=None):
 
         if config is None:
             # fake config option for engine
-            class Config(object):
+            class Config:
                 option = self.options
 
             config = Config()
@@ -354,7 +354,7 @@ def pytest_runtest_call(self, item):
             yield
 
 
-class TestContextPlugin(object):
+class TestContextPlugin:
     def __init__(self, cov):
         self.cov = cov
 
@@ -368,7 +368,7 @@ def pytest_runtest_call(self, item):
         self.switch_context(item, 'run')
 
     def switch_context(self, item, when):
-        context = "{item.nodeid}|{when}".format(item=item, when=when)
+        context = f"{item.nodeid}|{when}"
         self.cov.switch_context(context)
         os.environ['COV_CORE_CONTEXT'] = context
 

tests/test_pytest_cov.py

@@ -16,7 +16,6 @@
 from process_tests import TestProcess as _TestProcess
 from process_tests import dump_on_error
 from process_tests import wait_for_strings
-from six import exec_
 
 import pytest_cov.plugin
 
@@ -780,13 +779,13 @@ def test_dist_not_collocated_coveragerc_source(testdir, prop):
     dir2 = testdir.mkdir('dir2')
     testdir.tmpdir.join('.coveragerc').write('''
 [run]
-%s
-source = %s
+{}
+source = {}
 [paths]
 source =
     .
     dir1
-    dir2''' % (prop.conf, script.dirpath()))
+    dir2'''.format(prop.conf, script.dirpath()))
 
     result = testdir.runpytest('-v',
                                '--cov',
@@ -1964,7 +1963,7 @@ def bad_init():
     monkeypatch.setattr(embed, 'init', bad_init)
     monkeypatch.setattr(sys, 'stderr', buff)
     monkeypatch.setitem(os.environ, 'COV_CORE_SOURCE', 'foobar')
-    exec_(payload)
+    exec(payload)
     assert buff.getvalue() == '''pytest-cov: Failed to setup subprocess coverage. Environ: {'COV_CORE_SOURCE': 'foobar'} Exception: SpecificError()
 '''
 
@@ -2087,7 +2086,7 @@ def test_contexts(testdir, opts):
             continue
         data.set_query_context(context)
         actual = set(data.lines(test_context_path))
-        assert line_data[label] == actual, "Wrong lines for context {!r}".format(context)
+        assert line_data[label] == actual, f"Wrong lines for context {context!r}"
 
 
 @pytest.mark.skipif("coverage.version_info >= (5, 0)")

tox.ini

@@ -13,7 +13,7 @@ passenv =
 [tox]
 envlist =
     check
-    py{27,35,36,37,py,py3}-pytest46-xdist127-coverage{55}
+    py{36,37,py,py3}-pytest46-xdist127-coverage{55}
     py{36,37,38,py3}-pytest{46,54}-xdist133-coverage{55}
     py{36,37,38,39,py3}-pytest{62}-xdist202-coverage{55}
     docs