fix linting issues

plugins/modules/docker_compose.py

@@ -1,12 +1,13 @@
-#!/usr/bin/python
-#
+# -*- coding: utf-8 -*-#
 # Copyright 2016 Red Hat | Ansible
 # GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+"""Module for Docker Compose."""
 
 from __future__ import absolute_import, division, print_function
+
 __metaclass__ = type
 
-DOCUMENTATION = '''
+DOCUMENTATION = """
 
 module: docker_compose
 
@@ -76,7 +77,7 @@ options:
     type: dict
   hostname_check:
     description:
-      - Whether or not to check the Docker daemon's hostname against the name provided in the client certificate.
+      - Whether or not to check the Docker daemon"s hostname against the name provided in the client certificate.
     type: bool
     default: no
   recreate:
@@ -116,8 +117,8 @@ options:
       - Use with I(state) C(absent) to remove all images or only local images.
     type: str
     choices:
-        - 'all'
-        - 'local'
+        - "all"
+        - "local"
   remove_volumes:
     description:
       - Use with I(state) C(absent) to remove data volumes.
@@ -159,9 +160,9 @@ requirements:
   - "docker-compose >= 1.7.0"
   - "Docker API >= 1.20"
   - "PyYAML >= 3.11"
-'''
+""" # noqa
 
-EXAMPLES = '''
+EXAMPLES = """
 # Examples use the django example at https://docs.docker.com/compose/django. Follow it to create the
 # flask directory
 
@@ -248,7 +249,7 @@ EXAMPLES = '''
     - community.docker.docker_compose:
         project_name: flask
         definition:
-          version: '2'
+          version: "2"
           services:
             db:
               image: postgres
@@ -302,12 +303,12 @@ EXAMPLES = '''
         that:
           - "web.flask_web_1.state.running"
           - "db.flask_db_1.state.running"
-'''
+""" # noqa
 
-RETURN = '''
+RETURN = """
 services:
   description:
-  - A dictionary mapping the service's name to a dictionary of containers.
+  - A dictionary mapping the service"s name to a dictionary of containers.
   returned: success
   type: complex
   contains:
@@ -353,12 +354,12 @@ services:
                           returned: success
                           type: list
                           elements: str
-                          example: ['db']
+                          example: ["db"]
                       globalIPv6:
                           description: IPv6 address assigned to the container.
                           returned: success
                           type: str
-                          example: ''
+                          example: ""
                       globalIPv6PrefixLen:
                           description: IPv6 subnet length.
                           returned: success
@@ -429,24 +430,24 @@ actions:
                           type: str
 
               action:
-                  description: A descriptive name of the action to be performed on the service's containers.
+                  description: A descriptive name of the action to be performed on the service"s containers.
                   returned: always
                   type: list
                   elements: str
                   contains:
                       id:
-                          description: the container's long ID
+                          description: the container"s long ID
                           returned: always
                           type: str
                       name:
-                          description: the container's name
+                          description: the container"s name
                           returned: always
                           type: str
                       short_id:
-                          description: the container's short ID
+                          description: the container"s short ID
                           returned: always
                           type: str
-'''
+""" # noqa
 
 import os
 import re
@@ -460,7 +461,7 @@ try:
     import yaml
     HAS_YAML = True
     HAS_YAML_EXC = None
-except ImportError as dummy:
+except ImportError:
     HAS_YAML = False
     HAS_YAML_EXC = traceback.format_exc()
 
@@ -474,12 +475,14 @@ try:
     from compose import __version__ as compose_version
     from compose.cli.command import project_from_options
     from compose.service import NoSuchImageError
-    from compose.cli.main import convergence_strategy_from_opts, build_action_from_opts, image_type_from_opt
+    from compose.cli.main import convergence_strategy_from_opts
+    from compose.cli.main import build_action_from_opts
+    from compose.cli.main import image_type_from_opt
     from compose.const import DEFAULT_TIMEOUT, LABEL_SERVICE, LABEL_PROJECT, LABEL_ONE_OFF
     HAS_COMPOSE = True
     HAS_COMPOSE_EXC = None
-    MINIMUM_COMPOSE_VERSION = '1.7.0'
-except ImportError as dummy:
+    MINIMUM_COMPOSE_VERSION = "1.7.0"
+except ImportError:
     HAS_COMPOSE = False
     HAS_COMPOSE_EXC = traceback.format_exc()
     DEFAULT_TIMEOUT = 10
@@ -493,19 +496,19 @@ from ansible_collections.community.docker.plugins.module_utils.common import (
 )
 
 AUTH_PARAM_MAPPING = {
-    u'docker_host': u'--host',
-    u'tls': u'--tls',
-    u'cacert_path': u'--tlscacert',
-    u'cert_path': u'--tlscert',
-    u'key_path': u'--tlskey',
-    u'tls_verify': u'--tlsverify'
+    u"docker_host": u"--host",
+    u"tls": u"--tls",
+    u"cacert_path": u"--tlscacert",
+    u"cert_path": u"--tlscert",
+    u"key_path": u"--tlskey",
+    u"tls_verify": u"--tlsverify"
 }
 
 
 @contextmanager
 def stdout_redirector(path_name):
     old_stdout = sys.stdout
-    fd = open(path_name, 'w')
+    fd = open(path_name, "w")
     sys.stdout = fd
     try:
         yield
@@ -516,7 +519,7 @@ def stdout_redirector(path_name):
 @contextmanager
 def stderr_redirector(path_name):
     old_fh = sys.stderr
-    fd = open(path_name, 'w')
+    fd = open(path_name, "w")
     sys.stderr = fd
     try:
         yield
@@ -537,42 +540,42 @@ def cleanup_redirection_tempfiles(out_name, err_name):
 
 def get_redirected_output(path_name):
     output = []
-    with open(path_name, 'r') as fd:
+    with open(path_name, "r") as fd:
         for line in fd:
             # strip terminal format/color chars
-            new_line = re.sub(r'\x1b\[.+m', '', line)
+            new_line = re.sub(r"\x1b\[.+m", "", line)
             output.append(new_line)
     os.remove(path_name)
     return output
 
 
 def attempt_extract_errors(exc_str, stdout, stderr):
-    errors = [l.strip() for l in stderr if l.strip().startswith('ERROR:')]
-    errors.extend([l.strip() for l in stdout if l.strip().startswith('ERROR:')])
+    errors = [line.strip() for line in stderr if line.strip().startswith("ERROR:")]
+    errors.extend([line.strip() for line in stdout if line.strip().startswith("ERROR:")])
 
-    warnings = [l.strip() for l in stderr if l.strip().startswith('WARNING:')]
-    warnings.extend([l.strip() for l in stdout if l.strip().startswith('WARNING:')])
+    warnings = [line.strip() for line in stderr if line.strip().startswith("WARNING:")]
+    warnings.extend([line.strip() for line in stdout if line.strip().startswith("WARNING:")])
 
-    # assume either the exception body (if present) or the last warning was the 'most'
+    # assume either the exception body (if present) or the last warning was the "most"
     # fatal.
 
     if exc_str.strip():
         msg = exc_str.strip()
     elif errors:
-        msg = errors[-1].encode('utf-8')
+        msg = errors[-1].encode("utf-8")
     else:
-        msg = 'unknown cause'
+        msg = "unknown cause"
 
     return {
-        'warnings': [w.encode('utf-8') for w in warnings],
-        'errors': [e.encode('utf-8') for e in errors],
-        'msg': msg,
-        'module_stderr': ''.join(stderr),
-        'module_stdout': ''.join(stdout)
+        "warnings": [w.encode("utf-8") for w in warnings],
+        "errors": [e.encode("utf-8") for e in errors],
+        "msg": msg,
+        "module_stderr": "".join(stderr),
+        "module_stdout": "".join(stdout)
     }
 
 
-def get_failure_info(exc, out_name, err_name=None, msg_format='%s'):
+def get_failure_info(exc, out_name, err_name=None, msg_format="{}"):
     if err_name is None:
         stderr = []
     else:
@@ -580,7 +583,7 @@ def get_failure_info(exc, out_name, err_name=None, msg_format='%s'):
     stdout = get_redirected_output(out_name)
 
     reason = attempt_extract_errors(str(exc), stdout, stderr)
-    reason['msg'] = msg_format % reason['msg']
+    reason["msg"] = msg_format.format(reason["msg"])
     return reason
 
 
@@ -622,25 +625,26 @@ class ContainerManager(DockerBaseClass):
 
         self.options = dict()
         self.options.update(self._get_auth_options())
-        self.options[u'--skip-hostname-check'] = (not self.hostname_check)
+        self.options[u"--skip-hostname-check"] = (not self.hostname_check)
 
         if self.project_name:
-            self.options[u'--project-name'] = self.project_name
+            self.options[u"--project-name"] = self.project_name
 
         if self.files:
-            self.options[u'--file'] = self.files
+            self.options[u"--file"] = self.files
 
         if not HAS_COMPOSE:
             self.client.fail(
-                "Unable to load docker-compose. Try `pip install docker-compose`. Error: %s" %
-                to_native(HAS_COMPOSE_EXC)
+                "Unable to load docker-compose. Try `pip install docker-compose`. Error: {}".
+                format(to_native(HAS_COMPOSE_EXC))
             )
 
         if LooseVersion(compose_version) < LooseVersion(MINIMUM_COMPOSE_VERSION):
             self.client.fail(
-                "Found docker-compose version %s. Minimum required version is %s. "
-                "Upgrade docker-compose to a min version of %s." %
-                (compose_version, MINIMUM_COMPOSE_VERSION, MINIMUM_COMPOSE_VERSION)
+                "Found docker-compose version {}. Minimum required version is {}. "
+                "Upgrade docker-compose to a min version of {}.".format(
+                    compose_version, MINIMUM_COMPOSE_VERSION, MINIMUM_COMPOSE_VERSION
+                )
             )
 
         if self.restarted and self.stopped:
@@ -652,8 +656,9 @@ class ContainerManager(DockerBaseClass):
         if self.definition:
             if not HAS_YAML:
                 self.client.fail(
-                    "Unable to load yaml. Try `pip install PyYAML`. Error: %s" %
-                    to_native(HAS_YAML_EXC)
+                    "Unable to load yaml. Try `pip install PyYAML`. Error: {}".format(
+                        to_native(HAS_YAML_EXC)
+                    )
                 )
 
             if not self.project_name:
@@ -664,39 +669,39 @@ class ContainerManager(DockerBaseClass):
             self.project_src = tempfile.mkdtemp(prefix="ansible")
             compose_file = os.path.join(self.project_src, "docker-compose.yml")
             try:
-                self.log('writing: ')
+                self.log("writing: ")
                 self.log(yaml.dump(self.definition, default_flow_style=False))
-                with open(compose_file, 'w') as f:
+                with open(compose_file, "w") as f:
                     f.write(yaml.dump(self.definition, default_flow_style=False))
             except Exception as exc:
-                self.client.fail("Error writing to %s - %s" % (compose_file, to_native(exc)))
+                self.client.fail("Error writing to {} - {}".format(compose_file, to_native(exc)))
         else:
             if not self.project_src:
                 self.client.fail("Parameter error - project_src required.")
 
         try:
-            self.log("project_src: %s" % self.project_src)
+            self.log("project_src: {}".format(self.project_src))
             self.project = project_from_options(self.project_src, self.options)
         except Exception as exc:
-            self.client.fail("Configuration error - %s" % to_native(exc))
+            self.client.fail("Configuration error - {}".format(to_native(exc)))
 
     def exec_module(self):
         result = dict()
 
-        if self.state == 'present':
+        if self.state == "present":
             result = self.cmd_up()
-        elif self.state == 'absent':
+        elif self.state == "absent":
             result = self.cmd_down()
 
         if self.definition:
             compose_file = os.path.join(self.project_src, "docker-compose.yml")
-            self.log("removing %s" % compose_file)
+            self.log("removing {}".format(compose_file))
             os.remove(compose_file)
-            self.log("removing %s" % self.project_src)
+            self.log("removing {}".format(self.project_src))
             os.rmdir(self.project_src)
 
-        if not self.check_mode and not self.debug and result.get('actions'):
-            result.pop('actions')
+        if not self.check_mode and not self.debug and result.get("actions"):
+            result.pop("actions")
 
         return result
 
@@ -717,58 +722,58 @@ class ContainerManager(DockerBaseClass):
         result = dict(changed=False, actions=[], services=dict())
 
         up_options = {
-            u'--no-recreate': False,
-            u'--build': False,
-            u'--no-build': False,
-            u'--no-deps': False,
-            u'--force-recreate': False,
+            u"--no-recreate": False,
+            u"--build": False,
+            u"--no-build": False,
+            u"--no-deps": False,
+            u"--force-recreate": False,
         }
 
-        if self.recreate == 'never':
-            up_options[u'--no-recreate'] = True
-        elif self.recreate == 'always':
-            up_options[u'--force-recreate'] = True
+        if self.recreate == "never":
+            up_options[u"--no-recreate"] = True
+        elif self.recreate == "always":
+            up_options[u"--force-recreate"] = True
 
         if self.remove_orphans:
-            up_options[u'--remove-orphans'] = True
+            up_options[u"--remove-orphans"] = True
 
         converge = convergence_strategy_from_opts(up_options)
-        self.log("convergence strategy: %s" % converge)
+        self.log("convergence strategy: {}".format(converge))
 
         if self.pull:
             pull_output = self.cmd_pull()
-            result['changed'] = pull_output['changed']
-            result['actions'] += pull_output['actions']
+            result["changed"] = pull_output["changed"]
+            result["actions"] += pull_output["actions"]
 
         if self.build:
             build_output = self.cmd_build()
-            result['changed'] = build_output['changed']
-            result['actions'] += build_output['actions']
+            result["changed"] = build_output["changed"]
+            result["actions"] += build_output["actions"]
 
         if self.remove_orphans:
             containers = self.client.containers(
                 filters={
-                    'label': [
-                        '{0}={1}'.format(LABEL_PROJECT, self.project.name),
-                        '{0}={1}'.format(LABEL_ONE_OFF, "False")
+                    "label": [
+                        "{0}={1}".format(LABEL_PROJECT, self.project.name),
+                        "{0}={1}".format(LABEL_ONE_OFF, "False")
                     ],
                 }
             )
 
             orphans = []
             for container in containers:
-                service_name = container.get('Labels', {}).get(LABEL_SERVICE)
+                service_name = container.get("Labels", {}).get(LABEL_SERVICE)
                 if service_name not in self.project.service_names:
                     orphans.append(service_name)
 
             if orphans:
-                result['changed'] = True
+                result["changed"] = True
 
         for service in self.project.services:
             if not service_names or service.name in service_names:
                 plan = service.convergence_plan(strategy=converge)
-                if plan.action != 'noop':
-                    result['changed'] = True
+                if plan.action != "noop":
+                    result["changed"] = True
                     result_action = dict(service=service.name)
                     result_action[plan.action] = []
                     for container in plan.containers:
@@ -779,15 +784,15 @@ class ContainerManager(DockerBaseClass):
                                 short_id=container.short_id,
                             )
                         )
-                    result['actions'].append(result_action)
+                    result["actions"].append(result_action)
 
-        if not self.check_mode and result['changed']:
+        if not self.check_mode and result["changed"]:
             out_redir_name, err_redir_name = make_redirection_tempfiles()
             try:
                 with stdout_redirector(out_redir_name):
                     with stderr_redirector(err_redir_name):
                         do_build = build_action_from_opts(up_options)
-                        self.log('Setting do_build to %s' % do_build)
+                        self.log("Setting do_build to {}".format(do_build))
                         self.project.up(
                             service_names=service_names,
                             start_deps=start_deps,
@@ -800,7 +805,7 @@ class ContainerManager(DockerBaseClass):
                         )
             except Exception as exc:
                 fail_reason = get_failure_info(
-                    exc, out_redir_name, err_redir_name, msg_format="Error starting project %s"
+                    exc, out_redir_name, err_redir_name, msg_format="Error starting project {}"
                 )
                 self.client.fail(**fail_reason)
             else:
@@ -808,22 +813,22 @@ class ContainerManager(DockerBaseClass):
 
         if self.stopped:
             stop_output = self.cmd_stop(service_names)
-            result['changed'] = stop_output['changed']
-            result['actions'] += stop_output['actions']
+            result["changed"] = stop_output["changed"]
+            result["actions"] += stop_output["actions"]
 
         if self.restarted:
             restart_output = self.cmd_restart(service_names)
-            result['changed'] = restart_output['changed']
-            result['actions'] += restart_output['actions']
+            result["changed"] = restart_output["changed"]
+            result["actions"] += restart_output["actions"]
 
         if self.scale:
             scale_output = self.cmd_scale()
-            result['changed'] = scale_output['changed']
-            result['actions'] += scale_output['actions']
+            result["changed"] = scale_output["changed"]
+            result["actions"] += scale_output["actions"]
 
         for service in self.project.services:
             service_facts = dict()
-            result['services'][service.name] = service_facts
+            result["services"][service.name] = service_facts
             for container in service.containers(stopped=True):
                 inspection = container.inspect()
                 # pare down the inspection data to the most useful bits
@@ -834,22 +839,24 @@ class ContainerManager(DockerBaseClass):
                     state=dict(running=None, status=None),
                     networks=dict()
                 )
-                if inspection['Config'].get('Cmd', None) is not None:
-                    facts['cmd'] = inspection['Config']['Cmd']
-                if inspection['Config'].get('Labels', None) is not None:
-                    facts['labels'] = inspection['Config']['Labels']
-                if inspection['Config'].get('Image', None) is not None:
-                    facts['image'] = inspection['Config']['Image']
-                if inspection['State'].get('Running', None) is not None:
-                    facts['state']['running'] = inspection['State']['Running']
-                if inspection['State'].get('Status', None) is not None:
-                    facts['state']['status'] = inspection['State']['Status']
+                if inspection["Config"].get("Cmd", None) is not None:
+                    facts["cmd"] = inspection["Config"]["Cmd"]
+                if inspection["Config"].get("Labels", None) is not None:
+                    facts["labels"] = inspection["Config"]["Labels"]
+                if inspection["Config"].get("Image", None) is not None:
+                    facts["image"] = inspection["Config"]["Image"]
+                if inspection["State"].get("Running", None) is not None:
+                    facts["state"]["running"] = inspection["State"]["Running"]
+                if inspection["State"].get("Status", None) is not None:
+                    facts["state"]["status"] = inspection["State"]["Status"]
 
-                if inspection.get('NetworkSettings'
-                                 ) and inspection['NetworkSettings'].get('Networks'):
-                    networks = inspection['NetworkSettings']['Networks']
+                if (
+                    inspection.get("NetworkSettings")
+                    and inspection["NetworkSettings"].get("Networks")
+                ):
+                    networks = inspection["NetworkSettings"]["Networks"]
                     for key in networks:
-                        facts['networks'][key] = dict(
+                        facts["networks"][key] = dict(
                             aliases=[],
                             globalIPv6=None,
                             globalIPv6PrefixLen=0,
@@ -858,22 +865,22 @@ class ContainerManager(DockerBaseClass):
                             links=None,
                             macAddress=None,
                         )
-                        if networks[key].get('Aliases', None) is not None:
-                            facts['networks'][key]['aliases'] = networks[key]['Aliases']
-                        if networks[key].get('GlobalIPv6Address', None) is not None:
-                            facts['networks'][key]['globalIPv6'] = networks[key][
-                                'GlobalIPv6Address']
-                        if networks[key].get('GlobalIPv6PrefixLen', None) is not None:
-                            facts['networks'][key]['globalIPv6PrefixLen'] = networks[key][
-                                'GlobalIPv6PrefixLen']
-                        if networks[key].get('IPAddress', None) is not None:
-                            facts['networks'][key]['IPAddress'] = networks[key]['IPAddress']
-                        if networks[key].get('IPPrefixLen', None) is not None:
-                            facts['networks'][key]['IPPrefixLen'] = networks[key]['IPPrefixLen']
-                        if networks[key].get('Links', None) is not None:
-                            facts['networks'][key]['links'] = networks[key]['Links']
-                        if networks[key].get('MacAddress', None) is not None:
-                            facts['networks'][key]['macAddress'] = networks[key]['MacAddress']
+                        if networks[key].get("Aliases", None) is not None:
+                            facts["networks"][key]["aliases"] = networks[key]["Aliases"]
+                        if networks[key].get("GlobalIPv6Address", None) is not None:
+                            facts["networks"][key]["globalIPv6"] = networks[key][
+                                "GlobalIPv6Address"]
+                        if networks[key].get("GlobalIPv6PrefixLen", None) is not None:
+                            facts["networks"][key]["globalIPv6PrefixLen"] = networks[key][
+                                "GlobalIPv6PrefixLen"]
+                        if networks[key].get("IPAddress", None) is not None:
+                            facts["networks"][key]["IPAddress"] = networks[key]["IPAddress"]
+                        if networks[key].get("IPPrefixLen", None) is not None:
+                            facts["networks"][key]["IPPrefixLen"] = networks[key]["IPPrefixLen"]
+                        if networks[key].get("Links", None) is not None:
+                            facts["networks"][key]["links"] = networks[key]["Links"]
+                        if networks[key].get("MacAddress", None) is not None:
+                            facts["networks"][key]["macAddress"] = networks[key]["MacAddress"]
 
                 service_facts[container.name] = facts
 
@@ -887,20 +894,22 @@ class ContainerManager(DockerBaseClass):
 
         if not self.check_mode:
             for service in self.project.get_services(self.services, include_deps=False):
-                if 'image' not in service.options:
+                if "image" not in service.options:
                     continue
 
-                self.log('Pulling image for service %s' % service.name)
+                self.log("Pulling image for service {}".format(service.name))
                 # store the existing image ID
-                old_image_id = ''
+                old_image_id = ""
                 try:
                     image = service.image()
-                    if image and image.get('Id'):
-                        old_image_id = image['Id']
+                    if image and image.get("Id"):
+                        old_image_id = image["Id"]
                 except NoSuchImageError:
                     pass
                 except Exception as exc:
-                    self.client.fail("Error: service image lookup failed - %s" % to_native(exc))
+                    self.client.fail(
+                        "Error: service image lookup failed - {}".format(to_native(exc))
+                    )
 
                 out_redir_name, err_redir_name = make_redirection_tempfiles()
                 # pull the image
@@ -913,27 +922,29 @@ class ContainerManager(DockerBaseClass):
                         exc,
                         out_redir_name,
                         err_redir_name,
-                        msg_format="Error: pull failed with %s"
+                        msg_format="Error: pull failed with {}"
                     )
                     self.client.fail(**fail_reason)
                 else:
                     cleanup_redirection_tempfiles(out_redir_name, err_redir_name)
 
                 # store the new image ID
-                new_image_id = ''
+                new_image_id = ""
                 try:
                     image = service.image()
-                    if image and image.get('Id'):
-                        new_image_id = image['Id']
+                    if image and image.get("Id"):
+                        new_image_id = image["Id"]
                 except NoSuchImageError as exc:
                     self.client.fail(
-                        "Error: service image lookup failed after pull - %s" % to_native(exc)
+                        "Error: service image lookup failed after pull - {}".format(
+                            to_native(exc)
+                        )
                     )
 
                 if new_image_id != old_image_id:
                     # if a new image was pulled
-                    result['changed'] = True
-                    result['actions'].append(
+                    result["changed"] = True
+                    result["actions"].append(
                         dict(
                             service=service.name,
                             pulled_image=dict(name=service.image_name, id=new_image_id)
@@ -946,18 +957,18 @@ class ContainerManager(DockerBaseClass):
         if not self.check_mode:
             for service in self.project.get_services(self.services, include_deps=False):
                 if service.can_be_built():
-                    self.log('Building image for service %s' % service.name)
+                    self.log("Building image for service {}".format(service.name))
                     # store the existing image ID
-                    old_image_id = ''
+                    old_image_id = ""
                     try:
                         image = service.image()
-                        if image and image.get('Id'):
-                            old_image_id = image['Id']
+                        if image and image.get("Id"):
+                            old_image_id = image["Id"]
                     except NoSuchImageError:
                         pass
                     except Exception as exc:
                         self.client.fail(
-                            "Error: service image lookup failed - %s" % to_native(exc)
+                            "Error: service image lookup failed - {}".format(to_native(exc))
                         )
 
                     out_redir_name, err_redir_name = make_redirection_tempfiles()
@@ -971,7 +982,7 @@ class ContainerManager(DockerBaseClass):
                             exc,
                             out_redir_name,
                             err_redir_name,
-                            msg_format="Error: build failed with %s"
+                            msg_format="Error: build failed with {}"
                         )
                         self.client.fail(**fail_reason)
                     else:
@@ -979,8 +990,8 @@ class ContainerManager(DockerBaseClass):
 
                     if new_image_id not in old_image_id:
                         # if a new image was built
-                        result['changed'] = True
-                        result['actions'].append(
+                        result["changed"] = True
+                        result["actions"].append(
                             dict(
                                 service=service.name,
                                 built_image=dict(name=service.image_name, id=new_image_id)
@@ -993,12 +1004,12 @@ class ContainerManager(DockerBaseClass):
         for service in self.project.services:
             containers = service.containers(stopped=True)
             if len(containers):
-                result['changed'] = True
-            result['actions'].append(
+                result["changed"] = True
+            result["actions"].append(
                 dict(service=service.name, deleted=[container.name for container in containers])
             )
-        if not self.check_mode and result['changed']:
-            image_type = image_type_from_opt('--rmi', self.remove_images)
+        if not self.check_mode and result["changed"]:
+            image_type = image_type_from_opt("--rmi", self.remove_images)
             out_redir_name, err_redir_name = make_redirection_tempfiles()
             try:
                 with stdout_redirector(out_redir_name):
@@ -1006,7 +1017,7 @@ class ContainerManager(DockerBaseClass):
                         self.project.down(image_type, self.remove_volumes, self.remove_orphans)
             except Exception as exc:
                 fail_reason = get_failure_info(
-                    exc, out_redir_name, err_redir_name, msg_format="Error stopping project - %s"
+                    exc, out_redir_name, err_redir_name, msg_format="Error stopping project - {}"
                 )
                 self.client.fail(**fail_reason)
             else:
@@ -1019,12 +1030,12 @@ class ContainerManager(DockerBaseClass):
             if not service_names or service.name in service_names:
                 service_res = dict(service=service.name, stop=[])
                 for container in service.containers(stopped=False):
-                    result['changed'] = True
-                    service_res['stop'].append(
+                    result["changed"] = True
+                    service_res["stop"].append(
                         dict(id=container.id, name=container.name, short_id=container.short_id)
                     )
-                result['actions'].append(service_res)
-        if not self.check_mode and result['changed']:
+                result["actions"].append(service_res)
+        if not self.check_mode and result["changed"]:
             out_redir_name, err_redir_name = make_redirection_tempfiles()
             try:
                 with stdout_redirector(out_redir_name):
@@ -1032,7 +1043,7 @@ class ContainerManager(DockerBaseClass):
                         self.project.stop(service_names=service_names, timeout=self.timeout)
             except Exception as exc:
                 fail_reason = get_failure_info(
-                    exc, out_redir_name, err_redir_name, msg_format="Error stopping project %s"
+                    exc, out_redir_name, err_redir_name, msg_format="Error stopping project {}"
                 )
                 self.client.fail(**fail_reason)
             else:
@@ -1046,13 +1057,13 @@ class ContainerManager(DockerBaseClass):
             if not service_names or service.name in service_names:
                 service_res = dict(service=service.name, restart=[])
                 for container in service.containers(stopped=True):
-                    result['changed'] = True
-                    service_res['restart'].append(
+                    result["changed"] = True
+                    service_res["restart"].append(
                         dict(id=container.id, name=container.name, short_id=container.short_id)
                     )
-                result['actions'].append(service_res)
+                result["actions"].append(service_res)
 
-        if not self.check_mode and result['changed']:
+        if not self.check_mode and result["changed"]:
             out_redir_name, err_redir_name = make_redirection_tempfiles()
             try:
                 with stdout_redirector(out_redir_name):
@@ -1060,7 +1071,7 @@ class ContainerManager(DockerBaseClass):
                         self.project.restart(service_names=service_names, timeout=self.timeout)
             except Exception as exc:
                 fail_reason = get_failure_info(
-                    exc, out_redir_name, err_redir_name, msg_format="Error restarting project %s"
+                    exc, out_redir_name, err_redir_name, msg_format="Error restarting project {}"
                 )
                 self.client.fail(**fail_reason)
             else:
@@ -1075,8 +1086,8 @@ class ContainerManager(DockerBaseClass):
                 containers = service.containers(stopped=True)
                 scale = self.parse_scale(service.name)
                 if len(containers) != scale:
-                    result['changed'] = True
-                    service_res['scale'] = scale - len(containers)
+                    result["changed"] = True
+                    service_res["scale"] = scale - len(containers)
                     if not self.check_mode:
                         out_redir_name, err_redir_name = make_redirection_tempfiles()
                         try:
@@ -1088,12 +1099,12 @@ class ContainerManager(DockerBaseClass):
                                 exc,
                                 out_redir_name,
                                 err_redir_name,
-                                msg_format="Error scaling {0} - %s".format(service.name)
+                                msg_format="Error scaling {}".format(service.name) + " - {}"
                             )
                             self.client.fail(**fail_reason)
                         else:
                             cleanup_redirection_tempfiles(out_redir_name, err_redir_name)
-                    result['actions'].append(service_res)
+                    result["actions"].append(service_res)
         return result
 
     def parse_scale(self, service_name):
@@ -1101,42 +1112,42 @@ class ContainerManager(DockerBaseClass):
             return int(self.scale[service_name])
         except ValueError:
             self.client.fail(
-                "Error scaling %s - expected int, got %s", service_name,
+                "Error scaling {} - expected int, got {}", service_name,
                 to_native(type(self.scale[service_name]))
             )
 
 
 def main():
     argument_spec = dict(
-        project_src=dict(type='path'),
-        project_name=dict(type='str',),
-        files=dict(type='list', elements='path'),
-        state=dict(type='str', default='present', choices=['absent', 'present']),
-        definition=dict(type='dict'),
-        hostname_check=dict(type='bool', default=False),
-        recreate=dict(type='str', default='smart', choices=['always', 'never', 'smart']),
-        build=dict(type='bool', default=False),
-        remove_images=dict(type='str', choices=['all', 'local']),
-        remove_volumes=dict(type='bool', default=False),
-        remove_orphans=dict(type='bool', default=False),
-        stopped=dict(type='bool', default=False),
-        restarted=dict(type='bool', default=False),
-        scale=dict(type='dict'),
-        services=dict(type='list', elements='str'),
-        dependencies=dict(type='bool', default=True),
-        pull=dict(type='bool', default=False),
-        nocache=dict(type='bool', default=False),
-        debug=dict(type='bool', default=False),
-        timeout=dict(type='int', default=DEFAULT_TIMEOUT)
+        project_src=dict(type="path"),
+        project_name=dict(type="str",),
+        files=dict(type="list", elements="path"),
+        state=dict(type="str", default="present", choices=["absent", "present"]),
+        definition=dict(type="dict"),
+        hostname_check=dict(type="bool", default=False),
+        recreate=dict(type="str", default="smart", choices=["always", "never", "smart"]),
+        build=dict(type="bool", default=False),
+        remove_images=dict(type="str", choices=["all", "local"]),
+        remove_volumes=dict(type="bool", default=False),
+        remove_orphans=dict(type="bool", default=False),
+        stopped=dict(type="bool", default=False),
+        restarted=dict(type="bool", default=False),
+        scale=dict(type="dict"),
+        services=dict(type="list", elements="str"),
+        dependencies=dict(type="bool", default=True),
+        pull=dict(type="bool", default=False),
+        nocache=dict(type="bool", default=False),
+        debug=dict(type="bool", default=False),
+        timeout=dict(type="int", default=DEFAULT_TIMEOUT)
     )
 
-    mutually_exclusive = [('definition', 'project_src'), ('definition', 'files')]
+    mutually_exclusive = [("definition", "project_src"), ("definition", "files")]
 
     client = AnsibleDockerClient(
         argument_spec=argument_spec,
         mutually_exclusive=mutually_exclusive,
         supports_check_mode=True,
-        min_docker_api_version='1.20',
+        min_docker_api_version="1.20",
     )
 
     try:
@@ -1144,16 +1155,16 @@ def main():
         client.module.exit_json(**result)
     except DockerException as e:
         client.fail(
-            'An unexpected docker error occurred: {0}'.format(to_native(e)),
+            "An unexpected docker error occurred: {0}".format(to_native(e)),
             exception=traceback.format_exc()
         )
     except RequestException as e:
         client.fail(
-            'An unexpected requests error occurred when docker-py tried to talk to the docker daemon: {0}'
-            .format(to_native(e)),
+            "An unexpected requests error occurred when docker-py"
+            "tried to talk to the docker daemon: {0}".format(to_native(e)),
             exception=traceback.format_exc()
         )
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     main()