From 27ead7d38a5f6ee1e83928224e130013c149f060 Mon Sep 17 00:00:00 2001
From: Miro <200482516+Mirochill@users.noreply.github.com>
Date: Fri, 22 May 2026 23:50:59 +0200
Subject: [PATCH] Remove pkg_resources from client version lookup

---
 pynats/client.py | 22 +++++++++++++++++++---
 1 file changed, 19 insertions(+), 3 deletions(-)

diff --git a/pynats/client.py b/pynats/client.py
index 812d40b..4526050 100644
--- a/pynats/client.py
+++ b/pynats/client.py
@@ -7,8 +7,6 @@
 from typing import BinaryIO, Callable, Dict, Match, Optional, Pattern, Tuple, Union
 from urllib.parse import urlparse
 
-import pkg_resources
-
 from pynats.exceptions import (
     NATSInvalidResponse,
     NATSInvalidSchemeError,
@@ -21,6 +19,9 @@
 
 __all__ = ("NATSSubscription", "NATSMessage", "NATSClient")
 
+DISTRIBUTION_NAME = "nats-python"
+DEFAULT_CLIENT_VERSION = "0.9.0-alpha.0"
+
 
 INFO_OP = b"INFO"
 CONNECT_OP = b"CONNECT"
@@ -57,6 +58,21 @@
 INBOX_PREFIX = bytearray(b"_INBOX.")
 
 
+def _get_client_version() -> str:
+    try:
+        from importlib.metadata import PackageNotFoundError, version
+    except ImportError:  # pragma: no cover
+        try:
+            from importlib_metadata import PackageNotFoundError, version
+        except ImportError:
+            return DEFAULT_CLIENT_VERSION
+
+    try:
+        return version(DISTRIBUTION_NAME)
+    except PackageNotFoundError:
+        return DEFAULT_CLIENT_VERSION
+
+
 @dataclass
 class NATSSubscription:
     sid: int
@@ -96,7 +112,7 @@ class NATSConnOptions:
     tls_client_key: Optional[str] = None
     tls_hostname: Optional[str] = None
     tls_verify: bool = False
-    version: str = pkg_resources.get_distribution("nats-python").version
+    version: str = _get_client_version()
     verbose: bool = False
     pedantic: bool = False