feat: added util logger OS (#841)

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## Description
<!-- Provide a clear description of the changes in this PR -->

## DCO Affirmation
I affirm that all code in every commit of this pull request conforms to
the terms of the Topoteretes Developer Certificate of Origin.

---------

Co-authored-by: Igor Ilic <igorilic03@gmail.com>
Co-authored-by: Igor Ilic <30923996+dexters1@users.noreply.github.com>

cognee/__init__.py

@@ -1,3 +1,9 @@
+from cognee.version import get_cognee_version
+
+# NOTE: __version__ extraction must be at the top of the __init__.py otherwise
+#       there will be circular import issues
+__version__ = get_cognee_version()
+
 from .api.v1.add import add
 from .api.v1.delete import delete
 from .api.v1.cognify import cognify

cognee/shared/logging_utils.py

@@ -4,8 +4,12 @@ import threading
 import logging
 import structlog
 import traceback
+import platform
 from datetime import datetime
 from pathlib import Path
+import importlib.metadata
+
+from cognee import __version__ as cognee_version
 
 # Export common log levels
 DEBUG = logging.DEBUG
@@ -36,6 +40,13 @@ LOGS_DIR.mkdir(exist_ok=True)  # Create logs dir if it doesn't exist
 # Maximum number of log files to keep
 MAX_LOG_FILES = 10
 
+# Version information
+PYTHON_VERSION = platform.python_version()
+STRUCTLOG_VERSION = structlog.__version__
+COGNEE_VERSION = cognee_version
+
+OS_INFO = f"{platform.system()} {platform.release()} ({platform.version()})"
+
 
 class PlainFileHandler(logging.FileHandler):
     """A custom file handler that writes simpler plain text log entries."""
@@ -326,8 +337,18 @@ def setup_logging(log_level=None, name=None):
     # Clean up old log files, keeping only the most recent ones
     cleanup_old_logs(LOGS_DIR, MAX_LOG_FILES)
 
-    # Return a configured logger
-    return structlog.get_logger(name if name else __name__)
+    # Get a configured logger and log system information
+    logger = structlog.get_logger(name if name else __name__)
+    logger.info(
+        "Logging initialized",
+        python_version=PYTHON_VERSION,
+        structlog_version=STRUCTLOG_VERSION,
+        cognee_version=COGNEE_VERSION,
+        os_info=OS_INFO,
+    )
+
+    # Return the configured logger
+    return logger
 
 
 def get_log_file_location():

cognee/version.py

@@ -0,0 +1,24 @@
+import os
+from contextlib import suppress
+import importlib.metadata
+from pathlib import Path
+
+
+def get_cognee_version() -> str:
+    """Returns either the version of installed cognee package or the one
+    found in nearby pyproject.toml"""
+    with suppress(FileNotFoundError, StopIteration):
+        with open(
+            os.path.join(Path(__file__).parent.parent, "pyproject.toml"), encoding="utf-8"
+        ) as pyproject_toml:
+            version = (
+                next(line for line in pyproject_toml if line.startswith("version"))
+                .split("=")[1]
+                .strip("'\"\n ")
+            )
+            # Mark the version as a local Cognee library by appending “-dev”
+            return f"{version}-dev"
+    try:
+        return importlib.metadata.version("cognee")
+    except importlib.metadata.PackageNotFoundError:
+        return "unknown"