ansible-test - Clean up old Python 2 compat code (#81962)

* Update generated code __future__ import

* Remove Python 2.x compat from compile sanity test

* Remove __metaclass__ from pylint good names list

* Remove Python 2.x compat from ansible-test injector

* Remove Python 2.x compat from ansible-test importer

* Remove Python 2.x compat from ansible-test units

* Remove Python 2.x compat from validate-modules

* Remove Python 2.x compat from pylint plugins

* Remove more Python 2.x compat from ansible-test

* Remove Python 2.x openssl detection in ansible-test

* Remove obsolete Python 2.x comment

* Remove obsolete ansible-test Python 2.x support

* Remove unused bootstrap script functions

* Keep mypy happy

* Remove unused imports

* Keep pylint happy

test/lib/ansible_test/__init__.py

@@ -1,2 +1 @@
-# Empty __init__.py to allow importing of `ansible_test._util.target.common` under Python 2.x.
-# This allows the ansible-test entry point to report supported Python versions before exiting.
+# Empty __init__.py to allow relative imports to work under mypy.

test/lib/ansible_test/_internal/config.py

@@ -65,7 +65,6 @@ class ContentConfig:
 
     modules: ModulesConfig
     python_versions: tuple[str, ...]
-    py2_support: bool
 
 
 class EnvironmentConfig(CommonConfig):

test/lib/ansible_test/_internal/content_config.py

@@ -29,7 +29,6 @@ from .io import (
 from .util import (
     ApplicationError,
     display,
-    str_to_version,
 )
 
 from .data import (
@@ -75,13 +74,9 @@ def parse_content_config(data: t.Any) -> ContentConfig:
     python_versions = tuple(version for version in SUPPORTED_PYTHON_VERSIONS
                             if version in CONTROLLER_PYTHON_VERSIONS or version in modules.python_versions)
 
-    # True if Python 2.x is supported.
-    py2_support = any(version for version in python_versions if str_to_version(version)[0] == 2)
-
     return ContentConfig(
         modules=modules,
         python_versions=python_versions,
-        py2_support=py2_support,
     )
 
 

test/lib/ansible_test/_internal/python_requirements.py

@@ -5,7 +5,6 @@ import base64
 import dataclasses
 import json
 import os
-import re
 import typing as t
 
 from .encoding import (
@@ -24,9 +23,7 @@ from .util import (
     ApplicationError,
     SubprocessError,
     display,
-    find_executable,
     raw_command,
-    str_to_version,
     version_to_str,
 )
 
@@ -536,9 +533,6 @@ def get_cryptography_requirements(python: PythonConfig) -> list[str]:
 
 def get_openssl_version(python: PythonConfig) -> t.Optional[tuple[int, ...]]:
     """Return the openssl version."""
-    if not python.version.startswith('2.'):
-        # OpenSSL version checking only works on Python 3.x.
-        # This should be the most accurate, since it is the Python we will be using.
     version = json.loads(raw_command([python.path, os.path.join(ANSIBLE_TEST_TOOLS_ROOT, 'sslcheck.py')], capture=True)[0])['version']
 
     if version:
@@ -546,25 +540,6 @@ def get_openssl_version(python: PythonConfig) -> t.Optional[tuple[int, ...]]:
 
         return tuple(version)
 
-    # Fall back to detecting the OpenSSL version from the CLI.
-    # This should provide an adequate solution on Python 2.x.
-    openssl_path = find_executable('openssl', required=False)
-
-    if openssl_path:
-        try:
-            result = raw_command([openssl_path, 'version'], capture=True)[0]
-        except SubprocessError:
-            result = ''
-
-        match = re.search(r'^OpenSSL (?P<version>[0-9]+\.[0-9]+\.[0-9]+)', result)
-
-        if match:
-            version = str_to_version(match.group('version'))
-
-            display.info(f'Detected OpenSSL version {version_to_str(version)} using the openssl CLI.', verbosity=1)
-
-            return version
-
     display.info('Unable to detect OpenSSL version.', verbosity=1)
 
     return None

test/lib/ansible_test/_internal/util_common.py

@@ -409,7 +409,7 @@ def create_interpreter_wrapper(interpreter: str, injected_interpreter: str) -> N
     code = textwrap.dedent('''
     #!%s
 
-    from __future__ import absolute_import
+    from __future__ import annotations
 
     from os import execv
     from sys import argv

test/lib/ansible_test/_internal/venv.py

@@ -159,7 +159,7 @@ def run_venv(
     pip: bool,
     path: str,
 ) -> bool:
-    """Create a virtual environment using the 'venv' module. Not available on Python 2.x."""
+    """Create a virtual environment using the 'venv' module."""
     cmd = [run_python, '-m', 'venv']
 
     if system_site_packages:

test/lib/ansible_test/_util/__init__.py

@@ -1,2 +1 @@
-# Empty __init__.py to allow importing of `ansible_test._util.target.common` under Python 2.x.
-# This allows the ansible-test entry point to report supported Python versions before exiting.
+# Empty __init__.py to keep pylint happy.

test/lib/ansible_test/_util/controller/sanity/pylint/config/ansible-test-target.cfg

@@ -35,7 +35,6 @@ bad-names=
     tutu,
 
 good-names=
-    __metaclass__,
     C,
     ex,
     i,

test/lib/ansible_test/_util/controller/sanity/pylint/config/ansible-test.cfg

@@ -34,7 +34,6 @@ bad-names=
     tutu,
 
 good-names=
-    __metaclass__,
     C,
     ex,
     i,

test/lib/ansible_test/_util/controller/sanity/pylint/config/code-smell.cfg

@@ -33,7 +33,6 @@ bad-names=
     tutu,
 
 good-names=
-    __metaclass__,
     C,
     ex,
     i,

test/lib/ansible_test/_util/controller/sanity/pylint/plugins/deprecated.py

@@ -32,7 +32,6 @@ except ImportError:
 from pylint.checkers import BaseChecker, BaseTokenChecker
 
 from ansible.module_utils.compat.version import LooseVersion
-from ansible.module_utils.six import string_types
 from ansible.release import __version__ as ansible_version_raw
 from ansible.utils.version import SemanticVersion
 
@@ -137,7 +136,7 @@ def _get_func_name(node):
 def parse_isodate(value):
     """Parse an ISO 8601 date string."""
     msg = 'Expected ISO 8601 date string (YYYY-MM-DD)'
-    if not isinstance(value, string_types):
+    if not isinstance(value, str):
         raise ValueError(msg)
     # From Python 3.7 in, there is datetime.date.fromisoformat(). For older versions,
     # we have to do things manually.

test/lib/ansible_test/_util/controller/sanity/validate-modules/validate_modules/main.py

@@ -70,7 +70,6 @@ from ansible.module_utils.common.collections import is_iterable
 from ansible.module_utils.common.parameters import DEFAULT_TYPE_VALIDATORS
 from ansible.module_utils.compat.version import StrictVersion, LooseVersion
 from ansible.module_utils.basic import to_bytes
-from ansible.module_utils.six import PY3, with_metaclass, string_types
 from ansible.plugins.loader import fragment_loader
 from ansible.plugins.list import IGNORE as REJECTLIST
 from ansible.utils.plugin_docs import add_collection_to_versions_and_dates, add_fragments, get_docstring
@@ -87,14 +86,11 @@ from .schema import (
 from .utils import CaptureStd, NoArgsAnsibleModule, compare_unordered_lists, parse_yaml, parse_isodate
 
 
-if PY3:
 # Because there is no ast.TryExcept in Python 3 ast module
 TRY_EXCEPT = ast.Try
 # REPLACER_WINDOWS from ansible.executor.module_common is byte
 # string but we need unicode for Python 3
 REPLACER_WINDOWS = REPLACER_WINDOWS.decode('utf-8')
-else:
-    TRY_EXCEPT = ast.TryExcept
 
 REJECTLIST_DIRS = frozenset(('.git', 'test', '.github', '.idea'))
 INDENT_REGEX = re.compile(r'([\t]*)')
@@ -269,7 +265,7 @@ class Reporter:
         return 3 if sum(ret) else 0
 
 
-class Validator(with_metaclass(abc.ABCMeta, object)):
+class Validator(metaclass=abc.ABCMeta):
     """Validator instances are intended to be run on a single object.  if you
     are scanning multiple objects for problems, you'll want to have a separate
     Validator for each one."""
@@ -1193,7 +1189,7 @@ class ModuleValidator(Validator):
             for entry in object:
                 self._validate_semantic_markup(entry)
             return
-        if not isinstance(object, string_types):
+        if not isinstance(object, str):
             return
 
         if self.collection:
@@ -1374,7 +1370,7 @@ class ModuleValidator(Validator):
                 continue
             bad_term = False
             for term in check:
-                if not isinstance(term, string_types):
+                if not isinstance(term, str):
                     msg = name
                     if context:
                         msg += " found in %s" % " -> ".join(context)
@@ -1442,7 +1438,7 @@ class ModuleValidator(Validator):
                 continue
             bad_term = False
             for term in requirements:
-                if not isinstance(term, string_types):
+                if not isinstance(term, str):
                     msg = "required_if"
                     if context:
                         msg += " found in %s" % " -> ".join(context)
@@ -1525,13 +1521,13 @@ class ModuleValidator(Validator):
             # This is already reported by schema checking
             return
         for key, value in terms.items():
-            if isinstance(value, string_types):
+            if isinstance(value, str):
                 value = [value]
             if not isinstance(value, (list, tuple)):
                 # This is already reported by schema checking
                 continue
             for term in value:
-                if not isinstance(term, string_types):
+                if not isinstance(term, str):
                     # This is already reported by schema checking
                     continue
             if len(set(value)) != len(value) or key in value:

test/lib/ansible_test/_util/target/__init__.py

@@ -1,2 +1 @@
-# Empty __init__.py to allow importing of `ansible_test._util.target.common` under Python 2.x.
-# This allows the ansible-test entry point to report supported Python versions before exiting.
+# Empty __init__.py to keep pylint happy.

test/lib/ansible_test/_util/target/common/__init__.py

@@ -1,2 +0,0 @@
-# Empty __init__.py to allow importing of `ansible_test._util.target.common` under Python 2.x.
-# This allows the ansible-test entry point to report supported Python versions before exiting.

test/lib/ansible_test/_util/target/injector/python.py

@@ -2,6 +2,7 @@
 """Provides an entry point for python scripts and python modules on the controller with the current python interpreter and optional code coverage collection."""
 from __future__ import annotations
 
+import importlib.util
 import os
 import sys
 
@@ -18,22 +19,7 @@ def main():
         if coverage_output:
             args += ['-m', 'coverage.__main__', 'run', '--rcfile', coverage_config]
         else:
-            if sys.version_info >= (3, 4):
-                # noinspection PyUnresolvedReferences
-                import importlib.util
-
-                # noinspection PyUnresolvedReferences
             found = bool(importlib.util.find_spec('coverage'))
-            else:
-                # noinspection PyDeprecation
-                import imp
-
-                try:
-                    # noinspection PyDeprecation
-                    imp.find_module('coverage')
-                    found = True
-                except ImportError:
-                    found = False
 
             if not found:
                 sys.exit('ERROR: Could not find `coverage` module. '
@@ -61,7 +47,7 @@ def find_program(name, executable):  # type: (str, bool) -> str
     Raises an exception if the program is not found.
     """
     path = os.environ.get('PATH', os.path.defpath)
-    seen = set([os.path.abspath(__file__)])
+    seen = {os.path.abspath(__file__)}
     mode = os.F_OK | os.X_OK if executable else os.F_OK
 
     for base in path.split(os.path.pathsep):

test/lib/ansible_test/_util/target/pytest/plugins/ansible_pytest_collections.py

@@ -38,9 +38,6 @@ def enable_assertion_rewriting_hook():  # type: () -> None
     """
     import sys
 
-    if sys.version_info[0] == 2:
-        return  # Python 2.x is not supported
-
     hook_name = '_pytest.assertion.rewrite.AssertionRewritingHook'
     hooks = [hook for hook in sys.meta_path if hook.__class__.__module__ + '.' + hook.__class__.__qualname__ == hook_name]
 

test/lib/ansible_test/_util/target/sanity/compile/compile.py

@@ -5,7 +5,6 @@ import sys
 
 ENCODING = 'utf-8'
 ERRORS = 'replace'
-Text = type(u'')
 
 
 def main():
@@ -28,21 +27,14 @@ def compile_source(path):
     else:
         return
 
-    # In some situations offset can be None. This can happen for syntax errors on Python 2.6
-    # (__future__ import following after a regular import).
-    offset = offset or 0
-
     result = "%s:%d:%d: %s: %s" % (path, lineno, offset, extype.__name__, safe_message(message))
 
-    if sys.version_info <= (3,):
-        result = result.encode(ENCODING, ERRORS)
-
     print(result)
 
 
 def safe_message(value):
-    """Given an input value as text or bytes, return the first non-empty line as text, ensuring it can be round-tripped as UTF-8."""
-    if isinstance(value, Text):
+    """Given an input value as str or bytes, return the first non-empty line as str, ensuring it can be round-tripped as UTF-8."""
+    if isinstance(value, str):
         value = value.encode(ENCODING, ERRORS)
 
     value = value.decode(ENCODING, ERRORS)

test/lib/ansible_test/_util/target/sanity/import/importer.py

@@ -541,16 +541,6 @@ def main():
                     "ignore",
                     "AnsibleCollectionFinder has already been configured")
 
-            if sys.version_info[0] == 2:
-                warnings.filterwarnings(
-                    "ignore",
-                    "Python 2 is no longer supported by the Python core team. Support for it is now deprecated in cryptography,"
-                    " and will be removed in a future release.")
-                warnings.filterwarnings(
-                    "ignore",
-                    "Python 2 is no longer supported by the Python core team. Support for it is now deprecated in cryptography,"
-                    " and will be removed in the next release.")
-
             try:
                 yield
             finally:

test/lib/ansible_test/_util/target/setup/bootstrap.sh

@@ -65,18 +65,6 @@ install_pip() {
     fi
 }
 
-pip_install() {
-    pip_packages="$1"
-
-    while true; do
-        # shellcheck disable=SC2086
-        "${python_interpreter}" -m pip install --disable-pip-version-check ${pip_packages} \
-        && break
-        echo "Failed to install packages. Sleeping before trying again..."
-        sleep 10
-    done
-}
-
 bootstrap_remote_alpine()
 {
     py_pkg_prefix="py3"
@@ -279,17 +267,6 @@ bootstrap_remote_rhel()
     esac
 }
 
-bootstrap_remote_rhel_pinned_pip_packages()
-{
-    # pin packaging and pyparsing to match the downstream vendored versions
-    pip_packages="
-        packaging==20.4
-        pyparsing==2.4.7
-        "
-
-    pip_install "${pip_packages}"
-}
-
 bootstrap_remote_ubuntu()
 {
     py_pkg_prefix="python3"