Use PositiveFloat instead of PositiveInt

Author: TheByronHimes

README.md

@@ -145,7 +145,7 @@ The service requires the following configuration parameters:
 
   - **Any of**
 
-    - *integer*: Exclusive minimum: `0`.
+    - *number*: Exclusive minimum: `0.0`.
 
     - *null*
 

config_schema.json

@@ -142,8 +142,8 @@
     "smtp_timeout": {
       "anyOf": [
         {
-          "exclusiveMinimum": 0,
-          "type": "integer"
+          "exclusiveMinimum": 0.0,
+          "type": "number"
         },
         {
           "type": "null"

src/ns/adapters/outbound/smtp_client.py

@@ -23,7 +23,7 @@
 from email.message import EmailMessage
 from smtplib import SMTP, SMTPAuthenticationError, SMTPException
 
-from pydantic import BaseModel, Field, PositiveInt, SecretStr
+from pydantic import BaseModel, Field, PositiveFloat, SecretStr
 from pydantic_settings import BaseSettings
 
 from ns.ports.outbound.smtp_client import SmtpClientPort
@@ -51,7 +51,7 @@ class SmtpClientConfig(BaseSettings):
     use_starttls: bool = Field(
         default=True, description="Boolean flag indicating the use of STARTTLS"
     )
-    smtp_timeout: PositiveInt | None = Field(
+    smtp_timeout: PositiveFloat | None = Field(
         default=None,
         description=(
             "The maximum amount of time (in seconds) to wait for a connection to the"
@@ -70,9 +70,7 @@ def __init__(self, *, config: SmtpClientConfig):
     @contextmanager
     def get_connection(self) -> Generator[SMTP, None, None]:
         """Establish a connection to the SMTP server"""
-        timeout = (
-            float(self._config.smtp_timeout) if self._config.smtp_timeout else None
-        )
+        timeout = self._config.smtp_timeout if self._config.smtp_timeout else None
 
         try:
             log.debug("Attempting to establish SMTP connection (timeout=%s).", timeout)