Update logging integration to improve standardization

Standardize language in logging messages
Move system version to constants

Fixes #3

tox_poetry_installer/constants.py

@@ -5,8 +5,11 @@ in this module.
 
 All constants should be type hinted.
 """
+import sys
 from typing import Tuple
 
+from poetry.core.semver.version import Version
+
 from tox_poetry_installer import __about__
 
 
@@ -16,4 +19,13 @@ PEP508_VERSION_DELIMITERS: Tuple[str, ...] = ("~=", "==", "!=", ">", "<")
 
 # Prefix all reporter messages should include to indicate that they came from this module in the
 # console output.
-REPORTER_PREFIX = f"[{__about__.__title__}]:"
+REPORTER_PREFIX: str = f"[{__about__.__title__}]:"
+
+
+# Semver compatible version of the current python platform version. Used for checking
+# whether a package is compatible with the current python system version
+PLATFORM_VERSION: Version = Version(
+    major=sys.version_info.major,
+    minor=sys.version_info.minor,
+    patch=sys.version_info.micro,
+)