Removed Python2 support

Closes: #6890

Signed-off-by: Bastian Venthur <bastian.venthur@flixbus.com>

.pre-commit-config.yaml

@@ -17,9 +17,6 @@
   sha: v1.3.4
   hooks:
     - id: reorder-python-imports
-      language_version: 'python2.7'
+      language_version: 'python3.7'
       args:
-        - --add-import
-        - from __future__ import absolute_import
-        - --add-import
-        - from __future__ import unicode_literals
+         - --py3-plus

Dockerfile

@@ -24,8 +24,6 @@ RUN apk add --no-cache \
     musl-dev \
     openssl \
     openssl-dev \
-    python2 \
-    python2-dev \
     zlib-dev
 ENV BUILD_BOOTLOADER=1
 
@@ -40,7 +38,6 @@ RUN apt-get update && apt-get install --no-install-recommends -y \
     libssl-dev \
     make \
     openssl \
-    python2.7-dev \
     zlib1g-dev
 
 FROM build-${BUILD_PLATFORM} AS build

bin/docker-compose

@@ -1,6 +1,3 @@
 #!/usr/bin/env python
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 from compose.cli.main import main
 main()

compose/__init__.py

@@ -1,4 +1,2 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
 
 __version__ = '1.26.0dev'

compose/__main__.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 from compose.cli.main import main
 
 main()

compose/cli/colors.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 from ..const import IS_WINDOWS_PLATFORM
 
 NAMES = [

compose/cli/command.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import logging
 import os
 import re

compose/cli/docker_client.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import logging
 import os.path
 import ssl

compose/cli/docopt_command.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 from inspect import getdoc
 
 from docopt import docopt

compose/cli/errors.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import contextlib
 import logging
 import socket

compose/cli/formatter.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import logging
 import shutil
 

compose/cli/log_printer.py

@@ -1,15 +1,12 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
+import _thread as thread
 import sys
 from collections import namedtuple
 from itertools import cycle
+from queue import Empty
+from queue import Queue
 from threading import Thread
 
 from docker.errors import APIError
-from six.moves import _thread as thread
-from six.moves.queue import Empty
-from six.moves.queue import Queue
 
 from . import colors
 from compose import utils

compose/cli/main.py

@@ -1,7 +1,3 @@
-from __future__ import absolute_import
-from __future__ import print_function
-from __future__ import unicode_literals
-
 import contextlib
 import functools
 import json

compose/cli/signals.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import signal
 
 from ..const import IS_WINDOWS_PLATFORM

compose/cli/utils.py

@@ -1,7 +1,3 @@
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import unicode_literals
-
 import math
 import os
 import platform

compose/cli/verbose_proxy.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import functools
 import logging
 import pprint

compose/config/__init__.py

@@ -1,7 +1,4 @@
 # flake8: noqa
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 from . import environment
 from .config import ConfigurationError
 from .config import DOCKER_CONFIG_KEYS

compose/config/config.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import functools
 import io
 import logging

compose/config/environment.py

@@ -1,6 +1,5 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
+import codecs
+import contextlib
 import logging
 import os
 import re

compose/config/errors.py

@@ -1,5 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
 
 
 VERSION_EXPLANATION = (

compose/config/interpolation.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import logging
 import re
 from string import Template

compose/config/serialize.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import six
 import yaml
 

compose/config/sort_services.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 from compose.config.errors import DependencyError
 
 

compose/config/types.py

@@ -1,9 +1,6 @@
 """
 Types for objects parsed from the configuration.
 """
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import json
 import ntpath
 import os

compose/config/validation.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import json
 import logging
 import os

compose/const.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import sys
 
 from .version import ComposeVersion

compose/container.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 from functools import reduce
 
 import six

compose/errors.py

@@ -1,5 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
 
 
 class OperationFailedError(Exception):

compose/network.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import logging
 import re
 from collections import OrderedDict

compose/parallel.py

@@ -1,18 +1,15 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
+import _thread as thread
 import logging
 import operator
 import sys
+from queue import Empty
+from queue import Queue
 from threading import Lock
 from threading import Semaphore
 from threading import Thread
 
 from docker.errors import APIError
 from docker.errors import ImageNotFound
-from six.moves import _thread as thread
-from six.moves.queue import Empty
-from six.moves.queue import Queue
 
 from compose.cli.colors import green
 from compose.cli.colors import red

compose/progress_stream.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 from compose import utils
 
 

compose/project.py

@@ -1,14 +1,11 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import datetime
+import enum
 import logging
 import operator
 import re
 from functools import reduce
 from os import path
 
-import enum
 import six
 from docker.errors import APIError
 from docker.errors import ImageNotFound

compose/service.py

@@ -1,6 +1,4 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
+import enum
 import itertools
 import json
 import logging
@@ -12,7 +10,6 @@ from collections import namedtuple
 from collections import OrderedDict
 from operator import attrgetter
 
-import enum
 import six
 from docker.errors import APIError
 from docker.errors import ImageNotFound

compose/timeparse.py

@@ -31,9 +31,6 @@ https://golang.org/pkg/time/#ParseDuration
 # ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 # CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import re
 
 HOURS = r'(?P<hours>[\d.]+)h'

compose/utils.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import codecs
 import hashlib
 import json.decoder

compose/version.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 from distutils.version import LooseVersion
 
 

compose/volume.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import logging
 import re
 

contrib/migration/migrate-compose-file-v1-to-v2.py

@@ -3,9 +3,6 @@
 Migrate a Compose file from the V1 format in Compose 1.5 to the V2 format
 supported by Compose 1.6+
 """
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import argparse
 import logging
 import sys

requirements.txt

@@ -1,5 +1,4 @@
 backports.shutil_get_terminal_size==1.0.0
-backports.ssl-match-hostname==3.5.0.1; python_version < '3'
 cached-property==1.5.1
 certifi==2020.4.5.1
 chardet==3.0.4

script/release/release.py

@@ -1,126 +0,0 @@
-#!/usr/bin/env python3
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
-import re
-
-import click
-from git import Repo
-from utils import update_init_py_version
-from utils import update_run_sh_version
-from utils import yesno
-
-VALID_VERSION_PATTERN = re.compile(r"^\d+\.\d+\.\d+(-rc\d+)?$")
-
-
-class Version(str):
-    def matching_groups(self):
-        match = VALID_VERSION_PATTERN.match(self)
-        if not match:
-            return False
-
-        return match.groups()
-
-    def is_ga_version(self):
-        groups = self.matching_groups()
-        if not groups:
-            return False
-
-        rc_suffix = groups[1]
-        return not rc_suffix
-
-    def validate(self):
-        return len(self.matching_groups()) > 0
-
-    def branch_name(self):
-        if not self.validate():
-            return None
-
-        rc_part = self.matching_groups()[0]
-        ver = self
-        if rc_part:
-            ver = ver[:-len(rc_part)]
-
-        tokens = ver.split(".")
-        tokens[-1] = 'x'
-
-        return ".".join(tokens)
-
-
-def create_bump_commit(repository, version):
-    print('Creating bump commit...')
-    repository.commit('-a', '-s', '-m "Bump {}"'.format(version), '--no-verify')
-
-
-def validate_environment(version, repository):
-    if not version.validate():
-        print('Version "{}" has an invalid format. This should follow D+.D+.D+(-rcD+). '
-              'Like: 1.26.0 or 1.26.0-rc1'.format(version))
-        return False
-
-    expected_branch = version.branch_name()
-    if str(repository.active_branch) != expected_branch:
-        print('Cannot tag in this branch with version "{}". '
-              'Please checkout "{}" to tag'.format(version, version.branch_name()))
-        return False
-    return True
-
-
-@click.group()
-def cli():
-    pass
-
-
-@cli.command()
-@click.argument('version')
-def tag(version):
-    """
-    Updates the version related files and tag
-    """
-    repo = Repo(".")
-    version = Version(version)
-    if not validate_environment(version, repo):
-        return
-
-    update_init_py_version(version)
-    update_run_sh_version(version)
-
-    input('Please add the release notes to the CHANGELOG.md file, then press Enter to continue.')
-    proceed = False
-    while not proceed:
-        print(repo.git.diff())
-        proceed = yesno('Are these changes ok? y/N ', default=False)
-
-    if repo.git.diff():
-        create_bump_commit(repo.git, version)
-    else:
-        print('No changes to commit. Exiting...')
-        return
-
-    repo.create_tag(version)
-
-    print('Please, check the changes. If everything is OK, you just need to push with:\n'
-          '$ git push --tags upstream {}'.format(version.branch_name()))
-
-
-@cli.command()
-@click.argument('version')
-def push_latest(version):
-    """
-    TODO Pushes the latest tag pointing to a certain GA version
-    """
-    raise NotImplementedError
-
-
-@cli.command()
-@click.argument('version')
-def ghtemplate(version):
-    """
-    TODO Generates the github release page content
-    """
-    version = Version(version)
-    raise NotImplementedError
-
-
-if __name__ == '__main__':
-    cli()

script/release/utils.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import os
 import re
 

script/test/all

@@ -11,7 +11,7 @@ docker run --rm \
   "$TAG" tox -e pre-commit
 
 get_versions="docker run --rm
-    --entrypoint=/code/.tox/py27/bin/python
+    --entrypoint=/code/.tox/py37/bin/python
     $TAG
     /code/script/test/versions.py docker/docker-ce,moby/moby"
 
@@ -23,7 +23,7 @@ fi
 
 
 BUILD_NUMBER=${BUILD_NUMBER-$USER}
-PY_TEST_VERSIONS=${PY_TEST_VERSIONS:-py27,py37}
+PY_TEST_VERSIONS=${PY_TEST_VERSIONS:-py37}
 
 for version in $DOCKER_VERSIONS; do
   >&2 echo "Running tests against Docker $version"

script/test/versions.py

@@ -21,10 +21,6 @@ For example, if the list of versions is:
 `default` would return `1.7.1` and
 `recent -n 3` would return `1.8.0-rc2 1.7.1 1.6.2`
 """
-from __future__ import absolute_import
-from __future__ import print_function
-from __future__ import unicode_literals
-
 import argparse
 import itertools
 import operator

setup.py

@@ -1,9 +1,5 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
-from __future__ import absolute_import
-from __future__ import print_function
-from __future__ import unicode_literals
-
 import codecs
 import os
 import re
@@ -108,8 +104,6 @@ setup(
         'Environment :: Console',
         'Intended Audience :: Developers',
         'License :: OSI Approved :: Apache Software License',
-        'Programming Language :: Python :: 2',
-        'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3',
         'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.6',

tests/__init__.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import sys
 
 if sys.version_info >= (2, 7):

tests/acceptance/cli_test.py

@@ -1,7 +1,4 @@
 # -*- coding: utf-8 -*-
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import datetime
 import json
 import os.path

tests/helpers.py

@@ -1,7 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
-import contextlib
 import os
 
 from compose.config.config import ConfigDetails

tests/integration/environment_test.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import tempfile
 
 from ddt import data

tests/integration/network_test.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import pytest
 
 from .testcases import DockerClientTestCase

tests/integration/project_test.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import copy
 import json
 import os

tests/integration/resilience_test.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import pytest
 
 from .. import mock

tests/integration/service_test.py

@@ -1,17 +1,14 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import os
 import re
 import shutil
 import tempfile
 from distutils.spawn import find_executable
+from io import StringIO
 from os import path
 
 import pytest
 from docker.errors import APIError
 from docker.errors import ImageNotFound
-from six import StringIO
 from six import text_type
 
 from .. import mock

tests/integration/state_test.py

@@ -2,9 +2,6 @@
 Integration tests which cover state convergence (aka smart recreate) performed
 by `docker-compose up`.
 """
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import copy
 import os
 import shutil

tests/integration/testcases.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import functools
 import os
 

tests/integration/volume_test.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import six
 from docker.errors import DockerException
 

tests/unit/cli/command_test.py

@@ -1,7 +1,4 @@
 # ~*~ encoding: utf-8 ~*~
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import os
 
 import pytest

tests/unit/cli/docker_client_test.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import os
 import platform
 import ssl

tests/unit/cli/errors_test.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import pytest
 from docker.errors import APIError
 from requests.exceptions import ConnectionError

tests/unit/cli/formatter_test.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import logging
 
 from compose.cli import colors

tests/unit/cli/log_printer_test.py

@@ -1,13 +1,10 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import itertools
+from queue import Queue
 
 import pytest
 import requests
 import six
 from docker.errors import APIError
-from six.moves.queue import Queue
 
 from compose.cli.log_printer import build_log_generator
 from compose.cli.log_printer import build_log_presenters

tests/unit/cli/main_test.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import logging
 
 import docker

tests/unit/cli/utils_test.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import unittest
 
 from compose.cli.utils import human_readable_file_size

tests/unit/cli/verbose_proxy_test.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import six
 
 from compose.cli import verbose_proxy

tests/unit/cli_test.py

@@ -1,7 +1,4 @@
 # encoding: utf-8
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import os
 import shutil
 import tempfile

tests/unit/config/config_test.py

@@ -1,8 +1,4 @@
 # encoding: utf-8
-from __future__ import absolute_import
-from __future__ import print_function
-from __future__ import unicode_literals
-
 import codecs
 import os
 import shutil

tests/unit/config/environment_test.py

@@ -1,8 +1,4 @@
 # encoding: utf-8
-from __future__ import absolute_import
-from __future__ import print_function
-from __future__ import unicode_literals
-
 import codecs
 import os
 import shutil

tests/unit/config/interpolation_test.py

@@ -1,7 +1,4 @@
 # encoding: utf-8
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import pytest
 
 from compose.config.environment import Environment

tests/unit/config/sort_services_test.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import pytest
 
 from compose.config.errors import DependencyError

tests/unit/config/types_test.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import pytest
 
 from compose.config.errors import ConfigurationError

tests/unit/container_test.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import docker
 
 from .. import mock

tests/unit/network_test.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import pytest
 
 from .. import mock

tests/unit/parallel_test.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import unittest
 from threading import Lock
 

tests/unit/progress_stream_test.py

@@ -1,14 +1,10 @@
 # ~*~ encoding: utf-8 ~*~
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import io
 import os
 import random
 import shutil
 import tempfile
-
-from six import StringIO
+from io import StringIO
 
 from compose import progress_stream
 from tests import unittest

tests/unit/project_test.py

@@ -1,7 +1,4 @@
 # encoding: utf-8
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import datetime
 import os
 import tempfile

tests/unit/service_test.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import docker
 import pytest
 from docker.constants import DEFAULT_DOCKER_API_VERSION

tests/unit/split_buffer_test.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 from .. import unittest
 from compose.utils import split_buffer
 

tests/unit/timeparse_test.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 from compose import timeparse
 
 

tests/unit/utils_test.py

@@ -1,7 +1,4 @@
 # encoding: utf-8
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 from compose import utils
 
 

tests/unit/volume_test.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import docker
 import pytest
 

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py27,py37,pre-commit
+envlist = py37,pre-commit
 
 [testenv]
 usedevelop=True