Merge pull request #5 from cubicbyte/python-3.7-support

Add python 3.7+ support

Author: cubicbyte

README.md

@@ -1,4 +1,7 @@
 # Python Temp Email Library
+
+[![Python 3.7+](https://img.shields.io/badge/python-3.7+-blue.svg)](https://www.python.org/downloads)
+
 **tempmail-python** is a Python library for generating and managing temporary email addresses using the 1secmail service. It provides functions for creating email addresses, checking for new messages, and retrieving message contents.
 
 ## Installation

setup.py

@@ -1,9 +1,11 @@
 from setuptools import setup, find_packages
 
+
 def read(path: str) -> str:
     with open(path, 'r', encoding='utf-8') as f:
         return f.read()
 
+
 setup(
     name='tempmail-python',
     version='2.3.2',
@@ -13,15 +15,16 @@ def read(path: str) -> str:
     author='cubicbyte',
     author_email='bmaruhnenko@gmail.com',
     url='https://github.com/cubicbyte/tempmail-python',
-    packages = find_packages(),
+    packages=find_packages(),
     license='MIT',
     keywords='disposable-email temporary-email temp-email temp-mail email mail email-generator mail-generator',
     install_requires=[
         'requests>=2.19.0',
     ],
+    python_requires='>=3.7',
     classifiers=[
         'Development Status :: 5 - Production/Stable',
         'Programming Language :: Python :: 3',
         'License :: OSI Approved :: MIT License',
     ],
-)
+)

tempmail/providers.py

@@ -1,14 +1,16 @@
 import time
 import random
+from typing import Dict, Optional, Tuple, List, Callable
 from datetime import datetime
 from dataclasses import dataclass
-from typing import Optional, List, Tuple, Dict
 
 import requests
 
 from . import utils
 
-__all__ = ('OneSecMail',)
+__all__ = (
+    'OneSecMail',
+)
 
 
 class OneSecMail:
@@ -17,7 +19,12 @@ class OneSecMail:
     inbox_update_interval = 0.5
     """How often to update the inbox in seconds"""
 
-    def __init__(self, address: Optional[str] = None, username: Optional[str] = None, domain: Optional[str] = None) -> None:
+    def __init__(
+        self,
+        address: Optional[str] = None,
+        username: Optional[str] = None,
+        domain: Optional[str] = None,
+    ) -> None:
         """Create a new 1secmail.com email address
 
         :param address: The full email address (username@domain)
@@ -57,7 +64,8 @@ def download_attachment(self, id: int, file: str) -> bytes:
         resp.raise_for_status()
         return resp.content
 
-    def wait_for_message(self, timeout: Optional[int] = 60, filter: callable = lambda _: True) -> 'OneSecMail.Message':
+    def wait_for_message(self, timeout: Optional[int] = 60,
+                         filter: Callable[['OneSecMail.Message'], bool] = lambda _: True) -> 'OneSecMail.Message':
         """Wait for a message to arrive in the inbox
         
         :param timeout: How long to wait for a message to arrive, in seconds
@@ -148,7 +156,7 @@ class Message:
         html_body: str
         "Message body (html format)"
         _mail_instance: 'OneSecMail'
-        _attachments: list[dict[str, any]]
+        _attachments: List[Dict[str, any]]
 
         @property
         def date(self) -> datetime:
@@ -158,7 +166,8 @@ def date(self) -> datetime:
         @property
         def attachments(self) -> List['OneSecMail.Attachment']:
             """List of attachments in the message (files)"""
-            return [OneSecMail.Attachment.from_dict(self._mail_instance, self.id, attachment) for attachment in self._attachments]
+            return [OneSecMail.Attachment.from_dict(self._mail_instance, self.id, attachment)
+                    for attachment in self._attachments]
 
         @classmethod
         def from_dict(cls, mail_instance: 'OneSecMail', msg: Dict[str, any]) -> 'OneSecMail.Message':

tempmail/utils.py

@@ -11,7 +11,7 @@ def random_string(length: int):
 
 def cache(func):
     """Cache the result of a function with saved type hints"""
-    @functools.lru_cache
+    @functools.lru_cache(maxsize=128)
     @functools.wraps(func)
     def wrapper(*args, **kwargs):
         return func(*args, **kwargs)