Enhance type hints and argument formatting in multiple files for improved clarity and consistency

parsedmarc/mail/gmail.py

@@ -1,3 +1,7 @@
+# -*- coding: utf-8 -*-
+
+from __future__ import annotations
+
 from base64 import urlsafe_b64decode
 from functools import lru_cache
 from pathlib import Path

parsedmarc/mail/graph.py

@@ -1,3 +1,7 @@
+# -*- coding: utf-8 -*-
+
+from __future__ import annotations
+
 from enum import Enum
 from functools import lru_cache
 from pathlib import Path

parsedmarc/mail/imap.py

@@ -1,3 +1,9 @@
+# -*- coding: utf-8 -*-
+
+from __future__ import annotations
+
+from typing import Optional
+
 from time import sleep
 
 from imapclient.exceptions import IMAPClientError
@@ -11,14 +17,15 @@ from parsedmarc.mail.mailbox_connection import MailboxConnection
 class IMAPConnection(MailboxConnection):
     def __init__(
         self,
-        host=None,
-        user=None,
-        password=None,
-        port=None,
-        ssl=True,
-        verify=True,
-        timeout=30,
-        max_retries=4,
+        host: Optional[str] = None,
+        *,
+        user: Optional[str] = None,
+        password: Optional[str] = None,
+        port: Optional[str] = None,
+        ssl: Optional[bool] = True,
+        verify: Optional[bool] = True,
+        timeout: Optional[int] = 30,
+        max_retries: Optional[int] = 4,
     ):
         self._username = user
         self._password = password
@@ -45,13 +52,13 @@ class IMAPConnection(MailboxConnection):
         else:
             return self._client.search()
 
-    def fetch_message(self, message_id):
+    def fetch_message(self, message_id: int):
         return self._client.fetch_message(message_id, parse=False)
 
-    def delete_message(self, message_id: str):
+    def delete_message(self, message_id: int):
         self._client.delete_messages([message_id])
 
-    def move_message(self, message_id: str, folder_name: str):
+    def move_message(self, message_id: int, folder_name: str):
         self._client.move_messages([message_id], folder_name)
 
     def keepalive(self):

parsedmarc/mail/mailbox_connection.py

@@ -1,5 +1,8 @@
+# -*- coding: utf-8 -*-
+
+from __future__ import annotations
+
 from abc import ABC
-from typing import List
 
 
 class MailboxConnection(ABC):
@@ -10,7 +13,7 @@ class MailboxConnection(ABC):
     def create_folder(self, folder_name: str):
         raise NotImplementedError
 
-    def fetch_messages(self, reports_folder: str, **kwargs) -> List[str]:
+    def fetch_messages(self, reports_folder: str, **kwargs) -> list[str]:
         raise NotImplementedError
 
     def fetch_message(self, message_id) -> str:

parsedmarc/mail/maildir.py

@@ -1,3 +1,9 @@
+# -*- coding: utf-8 -*-
+
+from __future__ import annotations
+
+from typing import Optional
+
 from time import sleep
 
 from parsedmarc.log import logger
@@ -9,8 +15,8 @@ import os
 class MaildirConnection(MailboxConnection):
     def __init__(
         self,
-        maildir_path=None,
-        maildir_create=False,
+        maildir_path: Optional[bool] = None,
+        maildir_create: Optional[bool] = False,
     ):
         self._maildir_path = maildir_path
         self._maildir_create = maildir_create
@@ -36,7 +42,7 @@ class MaildirConnection(MailboxConnection):
     def fetch_messages(self, reports_folder: str, **kwargs):
         return self._client.keys()
 
-    def fetch_message(self, message_id):
+    def fetch_message(self, message_id: str):
         return self._client.get(message_id).as_string()
 
     def delete_message(self, message_id: str):

parsedmarc/utils.py

@@ -109,12 +109,14 @@ def get_base_domain(domain: str) -> str:
     return publicsuffix
 
 
-def query_dns(domain: str,
+def query_dns(
+    domain: str,
     record_type: str,
     *,
     cache: Optional[ExpiringDict] = None,
     nameservers: list[str] = None,
-              timeout:int = 2.0) -> list[str]:
+    timeout: int = 2.0,
+) -> list[str]:
     """
     Queries DNS
 
@@ -175,11 +177,13 @@ def query_dns(domain: str,
     return records
 
 
-def get_reverse_dns(ip_address, 
+def get_reverse_dns(
+    ip_address,
     *,
     cache: Optional[ExpiringDict] = None,
     nameservers: list[str] = None,
-                    timeout:int = 2.0) -> str:
+    timeout: int = 2.0,
+) -> str:
     """
     Resolves an IP address to a hostname using a reverse DNS query
 
@@ -233,9 +237,9 @@ def timestamp_to_human(timestamp: int) -> str:
     return timestamp_to_datetime(timestamp).strftime("%Y-%m-%d %H:%M:%S")
 
 
-def human_timestamp_to_datetime(human_timestamp: str,
-                                *,
-                                to_utc: Optional[bool] = False) -> datetime:
+def human_timestamp_to_datetime(
+    human_timestamp: str, *, to_utc: Optional[bool] = False
+) -> datetime:
     """
     Converts a human-readable timestamp into a Python ``datetime`` object
 
@@ -268,9 +272,7 @@ def human_timestamp_to_unix_timestamp(human_timestamp: str) -> int:
     return human_timestamp_to_datetime(human_timestamp).timestamp()
 
 
-def get_ip_address_country(ip_address:str,
-                           *,
-                           db_path: Optional[str ] = None) -> str:
+def get_ip_address_country(ip_address: str, *, db_path: Optional[str] = None) -> str:
     """
     Returns the ISO code for the country associated
     with the given IPv4 or IPv6 address
@@ -602,9 +604,9 @@ def convert_outlook_msg(msg_bytes: bytes) -> str:
     return rfc822
 
 
-def parse_email(data: Union[bytes, str],
-                *,
-                strip_attachment_payloads: Optional[bool]=False):
+def parse_email(
+    data: Union[bytes, str], *, strip_attachment_payloads: Optional[bool] = False
+):
     """
     A simplified email parser