use dict comprehension in plugins, part 2 (#8822)

* use dict comprehension in plugins

* add changelog frag

plugins/modules/etcd3.py

@@ -193,13 +193,8 @@ def run_module():
 
     allowed_keys = ['host', 'port', 'ca_cert', 'cert_cert', 'cert_key',
                     'timeout', 'user', 'password']
-    # TODO(evrardjp): Move this back to a dict comprehension when python 2.7 is
-    # the minimum supported version
-    # client_params = {key: value for key, value in module.params.items() if key in allowed_keys}
-    client_params = dict()
-    for key, value in module.params.items():
-        if key in allowed_keys:
-            client_params[key] = value
+
+    client_params = {key: value for key, value in module.params.items() if key in allowed_keys}
     try:
         etcd = etcd3.client(**client_params)
     except Exception as exp:

plugins/modules/gitlab_project.py

@@ -534,11 +534,7 @@ class GitLabProject(object):
     @param arguments Attributes of the project
     '''
     def get_options_with_value(self, arguments):
-        ret_arguments = dict()
-        for arg_key, arg_value in arguments.items():
-            if arguments[arg_key] is not None:
-                ret_arguments[arg_key] = arg_value
-
+        ret_arguments = {k: v for k, v in arguments.items() if v is not None}
         return ret_arguments
 
     '''
@@ -549,8 +545,8 @@ class GitLabProject(object):
         changed = False
 
         for arg_key, arg_value in arguments.items():
-            if arguments[arg_key] is not None:
-                if getattr(project, arg_key, None) != arguments[arg_key]:
+            if arg_value is not None:
+                if getattr(project, arg_key, None) != arg_value:
                     if arg_key == 'container_expiration_policy':
                         old_val = getattr(project, arg_key, {})
                         final_val = {key: value for key, value in arg_value.items() if value is not None}

plugins/modules/hwc_ecs_instance.py

@@ -1163,8 +1163,7 @@ def send_delete_volume_request(module, params, client, info):
     path_parameters = {
         "volume_id": ["volume_id"],
     }
-    data = dict((key, navigate_value(info, path))
-                for key, path in path_parameters.items())
+    data = {key: navigate_value(info, path) for key, path in path_parameters.items()}
 
     url = build_path(module, "cloudservers/{id}/detachvolume/{volume_id}", data)
 

plugins/modules/hwc_evs_disk.py

@@ -771,8 +771,7 @@ def async_wait(config, result, client, timeout):
     path_parameters = {
         "job_id": ["job_id"],
     }
-    data = dict((key, navigate_value(result, path))
-                for key, path in path_parameters.items())
+    data = {key: navigate_value(result, path) for key, path in path_parameters.items()}
 
     url = build_path(module, "jobs/{job_id}", data)
 

plugins/modules/hwc_vpc_eip.py

@@ -547,8 +547,7 @@ def async_wait_create(config, result, client, timeout):
     path_parameters = {
         "publicip_id": ["publicip", "id"],
     }
-    data = dict((key, navigate_value(result, path))
-                for key, path in path_parameters.items())
+    data = {key: navigate_value(result, path) for key, path in path_parameters.items()}
 
     url = build_path(module, "publicips/{publicip_id}", data)
 

plugins/modules/hwc_vpc_peering_connect.py

@@ -407,8 +407,7 @@ def async_wait_create(config, result, client, timeout):
     path_parameters = {
         "peering_id": ["peering", "id"],
     }
-    data = dict((key, navigate_value(result, path))
-                for key, path in path_parameters.items())
+    data = {key: navigate_value(result, path) for key, path in path_parameters.items()}
 
     url = build_path(module, "v2.0/vpc/peerings/{peering_id}", data)
 

plugins/modules/hwc_vpc_port.py

@@ -560,8 +560,7 @@ def async_wait_create(config, result, client, timeout):
     path_parameters = {
         "port_id": ["port", "id"],
     }
-    data = dict((key, navigate_value(result, path))
-                for key, path in path_parameters.items())
+    data = {key: navigate_value(result, path) for key, path in path_parameters.items()}
 
     url = build_path(module, "ports/{port_id}", data)
 

plugins/modules/hwc_vpc_subnet.py

@@ -440,8 +440,7 @@ def async_wait_create(config, result, client, timeout):
     path_parameters = {
         "subnet_id": ["subnet", "id"],
     }
-    data = dict((key, navigate_value(result, path))
-                for key, path in path_parameters.items())
+    data = {key: navigate_value(result, path) for key, path in path_parameters.items()}
 
     url = build_path(module, "subnets/{subnet_id}", data)
 
@@ -538,8 +537,7 @@ def async_wait_update(config, result, client, timeout):
     path_parameters = {
         "subnet_id": ["subnet", "id"],
     }
-    data = dict((key, navigate_value(result, path))
-                for key, path in path_parameters.items())
+    data = {key: navigate_value(result, path) for key, path in path_parameters.items()}
 
     url = build_path(module, "subnets/{subnet_id}", data)
 

plugins/modules/ipa_otptoken.py

@@ -392,9 +392,7 @@ def ensure(module, client):
                       'counter': 'ipatokenhotpcounter'}
 
     # Create inverse dictionary for mapping return values
-    ipa_to_ansible = {}
-    for (k, v) in ansible_to_ipa.items():
-        ipa_to_ansible[v] = k
+    ipa_to_ansible = {v: k for k, v in ansible_to_ipa.items()}
 
     unmodifiable_after_creation = ['otptype', 'secretkey', 'algorithm',
                                    'digits', 'offset', 'interval', 'counter']

plugins/modules/keycloak_user_federation.py

@@ -847,8 +847,11 @@ def main():
 
     # Keycloak API expects config parameters to be arrays containing a single string element
     if config is not None:
-        module.params['config'] = dict((k, [str(v).lower() if not isinstance(v, str) else v])
-                                       for k, v in config.items() if config[k] is not None)
+        module.params['config'] = {
+            k: [str(v).lower() if not isinstance(v, str) else v]
+            for k, v in config.items()
+            if config[k] is not None
+        }
 
     if mappers is not None:
         for mapper in mappers:

plugins/modules/lxc_container.py

@@ -683,11 +683,11 @@ class LxcContainerManagement(object):
             variables.pop(v, None)
 
         false_values = BOOLEANS_FALSE.union([None, ''])
-        result = dict(
-            (v, self.module.params[k])
+        result = {
+            v: self.module.params[k]
             for k, v in variables.items()
             if self.module.params[k] not in false_values
-        )
+        }
         return result
 
     def _config(self):

plugins/modules/proxmox_kvm.py

@@ -1032,7 +1032,7 @@ class ProxmoxKvmAnsible(ProxmoxAnsible):
 
         # Sanitize kwargs. Remove not defined args and ensure True and False converted to int.
         kwargs = {k: v for k, v in kwargs.items() if v is not None}
-        kwargs.update(dict([k, int(v)] for k, v in kwargs.items() if isinstance(v, bool)))
+        kwargs.update({k: int(v) for k, v in kwargs.items() if isinstance(v, bool)})
 
         version = self.version()
         pve_major_version = 3 if version < LooseVersion('4.0') else version.version[0]
@@ -1163,7 +1163,7 @@ class ProxmoxKvmAnsible(ProxmoxAnsible):
             for param in valid_clone_params:
                 if self.module.params[param] is not None:
                     clone_params[param] = self.module.params[param]
-            clone_params.update(dict([k, int(v)] for k, v in clone_params.items() if isinstance(v, bool)))
+            clone_params.update({k: int(v) for k, v in clone_params.items() if isinstance(v, bool)})
             taskid = proxmox_node.qemu(vmid).clone.post(newid=newid, name=name, **clone_params)
         else:
             taskid = proxmox_node.qemu.create(vmid=vmid, name=name, memory=memory, cpu=cpu, cores=cores, sockets=sockets, **kwargs)

plugins/modules/scaleway_security_group.py

@@ -135,11 +135,11 @@ from uuid import uuid4
 
 
 def payload_from_security_group(security_group):
-    return dict(
-        (k, v)
+    return {
+        k: v
         for k, v in security_group.items()
         if k != 'id' and v is not None
-    )
+    }
 
 
 def present_strategy(api, security_group):

plugins/modules/ufw.py

@@ -446,7 +446,7 @@ def main():
 
     params = module.params
 
-    commands = dict((key, params[key]) for key in command_keys if params[key])
+    commands = {key: params[key] for key in command_keys if params[key]}
 
     # Ensure ufw is available
     ufw_bin = module.get_bin_path('ufw', True)

plugins/modules/vmadm.py

@@ -558,9 +558,11 @@ def create_payload(module, uuid):
 
     # Filter out the few options that are not valid VM properties.
     module_options = ['force', 'state']
-    # @TODO make this a simple {} comprehension as soon as py2 is ditched
-    # @TODO {k: v for k, v in p.items() if k not in module_options}
-    vmdef = dict([(k, v) for k, v in module.params.items() if k not in module_options and v])
+    vmdef = {
+        k: v
+        for k, v in module.params.items()
+        if k not in module_options and v
+    }
 
     try:
         vmdef_json = json.dumps(vmdef)