remove Python2 some constructs/docs/comments (#10892)

* remove Python2 some constructs/docs/comments

* add changelog frag

changelogs/fragments/10892-remove-py2.yml

@@ -0,0 +1,7 @@
+minor_changes:
+  - known_hosts module_utils - drop Python 2 support when parsing output of ``urlparse`` (https://github.com/ansible-collections/community.general/pull/10892).
+  - aix_inittab - drop Python 2 support for function ``zip`` (https://github.com/ansible-collections/community.general/pull/10892).
+  - copr - drop support for Python 2 interpreter (https://github.com/ansible-collections/community.general/pull/10892).
+  - dconf - drop support for Python 2 interpreter (https://github.com/ansible-collections/community.general/pull/10892).
+  - irc - drop Python 2 support for SSL context creation (https://github.com/ansible-collections/community.general/pull/10892).
+  - mail - drop Python 2 support for Message-ID domain setting (https://github.com/ansible-collections/community.general/pull/10892).

plugins/module_utils/known_hosts.py

@@ -60,17 +60,14 @@ def get_fqdn_and_port(repo_url):
     elif "://" in repo_url:
         # this should be something we can parse with urlparse
         parts = urlparse(repo_url)
-        # parts[1] will be empty on python2.4 on ssh:// or git:// urls, so
-        # ensure we actually have a parts[1] before continuing.
-        if parts[1] != '':
-            fqdn = parts[1]
-            if "@" in fqdn:
-                fqdn = fqdn.split("@", 1)[1]
-            match = ipv6_re.match(fqdn)
-            if match:
-                fqdn, port = match.groups()
-            elif ":" in fqdn:
-                fqdn, port = fqdn.split(":")[0:2]
+        fqdn = parts[1]
+        if "@" in fqdn:
+            fqdn = fqdn.split("@", 1)[1]
+        match = ipv6_re.match(fqdn)
+        if match:
+            fqdn, port = match.groups()
+        elif ":" in fqdn:
+            fqdn, port = fqdn.split(":")[0:2]
     return fqdn, port
 
 

plugins/modules/aix_inittab.py

@@ -114,12 +114,6 @@ name:
   sample: startmyservice
 """
 
-# Import necessary libraries
-try:
-    # python 2
-    from itertools import izip
-except ImportError:
-    izip = zip
 
 from ansible.module_utils.basic import AnsibleModule
 
@@ -138,7 +132,7 @@ def check_current_entry(module):
         values = out.split(":")
         # strip non readable characters as \n
         values = map(lambda s: s.strip(), values)
-        existsdict = dict(izip(keys, values))
+        existsdict = dict(zip(keys, values))
         existsdict.update({'exist': True})
     return existsdict
 

plugins/modules/cobbler_sync.py

@@ -56,8 +56,6 @@ author:
 todo:
 notes:
   - Concurrently syncing Cobbler is bound to fail with weird errors.
-  - On Python 2.7.8 and older (such as RHEL7) you may need to tweak the Python behaviour to disable certificate validation.
-    More information at L(Certificate verification in Python standard library HTTP clients,https://access.redhat.com/articles/2039753).
 """
 
 EXAMPLES = r"""

plugins/modules/cobbler_system.py

@@ -79,8 +79,6 @@ author:
   - Dag Wieers (@dagwieers)
 notes:
   - Concurrently syncing Cobbler is bound to fail with weird errors.
-  - On Python 2.7.8 and older (such as RHEL7) you may need to tweak the Python behaviour to disable certificate validation.
-    More information at L(Certificate verification in Python standard library HTTP clients,https://access.redhat.com/articles/2039753).
 """
 
 EXAMPLES = r"""

plugins/modules/copr.py

@@ -129,7 +129,6 @@ def _respawn_dnf():
     system_interpreters = (
         "/usr/libexec/platform-python",
         "/usr/bin/python3",
-        "/usr/bin/python2",
         "/usr/bin/python",
     )
     interpreter = respawn.probe_interpreters_for_module(system_interpreters, "dnf")

plugins/modules/dconf.py

@@ -421,8 +421,7 @@ def main():
                 msg="%s must be installed and visible from %s." %
                 (glib_module_name, sys.executable))
 
-        interpreters = ['/usr/bin/python3', '/usr/bin/python2',
-                        '/usr/bin/python']
+        interpreters = ['/usr/bin/python3', '/usr/bin/python']
 
         interpreter = probe_interpreters_for_module(
             interpreters, glib_module_name)

plugins/modules/github_repo.py

@@ -92,8 +92,6 @@ requirements:
   - PyGithub>=1.54
 notes:
   - For Python 3, PyGithub>=1.54 should be used.
-  - 'For Python 3.5, PyGithub==1.54 should be used. More information: U(https://pygithub.readthedocs.io/en/latest/changes.html#version-1-54-november-30-2020).'
-  - 'For Python 2.7, PyGithub==1.45 should be used. More information: U(https://pygithub.readthedocs.io/en/latest/changes.html#version-1-45-december-29-2019).'
 author:
   - Álvaro Torres Cogollo (@atorrescogollo)
 """

plugins/modules/irc.py

@@ -234,17 +234,10 @@ def send_msg(msg, server='localhost', port='6667', channel=None, nick_to=None, k
     if use_tls:
         kwargs = {}
         if validate_certs:
-            try:
-                context = ssl.create_default_context()
-                kwargs["server_hostname"] = server
-            except AttributeError:
-                raise Exception('Need at least Python 2.7.9 for SSL certificate validation')
+            context = ssl.create_default_context()
+            kwargs["server_hostname"] = server
         else:
-            if getattr(ssl, 'PROTOCOL_TLS', None) is not None:
-                # Supported since Python 2.7.13
-                context = ssl.SSLContext(ssl.PROTOCOL_TLS)
-            else:
-                context = ssl.SSLContext()
+            context = ssl.SSLContext(ssl.PROTOCOL_TLS)
             context.verify_mode = ssl.CERT_NONE
         irc = context.wrap_socket(irc, **kwargs)
     irc.connect((server, int(port)))

plugins/modules/mail.py

@@ -137,7 +137,6 @@ options:
   message_id_domain:
     description:
       - The domain name to use for the L(Message-ID header, https://en.wikipedia.org/wiki/Message-ID).
-      - Note that this is only available on Python 3+. On Python 2, this value is ignored.
     type: str
     default: ansible
     version_added: 8.2.0
@@ -352,12 +351,7 @@ def main():
     msg['From'] = formataddr((sender_phrase, sender_addr))
     msg['Date'] = formatdate(localtime=True)
     msg['Subject'] = Header(subject, charset)
-    try:
-        msg['Message-ID'] = make_msgid(domain=message_id_domain)
-    except TypeError:
-        # `domain` is only available in Python 3
-        msg['Message-ID'] = make_msgid()
-        module.warn("The Message-ID domain cannot be set on Python 2; the system's hostname is used")
+    msg['Message-ID'] = make_msgid(domain=message_id_domain)
     msg.preamble = "Multipart message"
 
     for header in headers:

plugins/modules/sl_vm.py

@@ -174,8 +174,6 @@ options:
 requirements:
   - softlayer >= 4.1.1
 notes:
-  - If using Python 2.7, you must install C(softlayer-python<=5.7.2).
-  - If using Python 3.6, you must install C(softlayer-python<=6.0.0).
   - The C(softlayer-python) library, at version 6.2.6 (from Jan 2025), only supports Python version 3.8, 3.9 and 3.10.
 author:
   - Matt Colton (@mcltn)

tests/unit/plugins/modules/test_datadog_downtime.py

@@ -15,7 +15,7 @@ from ansible_collections.community.internal_test_tools.tests.unit.plugins.module
 
 from pytest import importorskip
 
-# Skip this test if python 2 so datadog_api_client cannot be installed
+# Skip this test if datadog_api_client cannot be installed
 datadog_api_client = importorskip("datadog_api_client")
 Downtime = datadog_api_client.v1.model.downtime.Downtime
 DowntimeRecurrence = datadog_api_client.v1.model.downtime_recurrence.DowntimeRecurrence