Release v4.3.0 (#1308)

Author: Kludex

CHANGELOG.md

@@ -1,5 +1,15 @@
 # Release Notes
 
+## [v4.3.0] (2025-08-12)
+
+* Closes logfire_api.LogfireSpan should support ReadableSpan attributes #989 by @RichardMarto in [#1288](https://github.com/pydantic/logfire/pull/1288)
+* Fix `test_instrument_google_genai` for specific versions by @alexmojaki in [#1303](https://github.com/pydantic/logfire/pull/1303)
+* Create read tokens via CLI by @Kludex in [#1306](https://github.com/pydantic/logfire/pull/1306)
+* Retrieve the prompt to fix issues via CLI by @Kludex in [#1307](https://github.com/pydantic/logfire/pull/1307)
+
+## New Contributors
+* @RichardMarto made their first contribution in [#1288](https://github.com/pydantic/logfire/pull/1288)
+
 ## [v4.2.0] (2025-08-06)
 
 * Handle wrong JSON schema in console exporter by @alexmojaki in [#1294](https://github.com/pydantic/logfire/pull/1294)
@@ -827,3 +837,4 @@ First release from new repo!
 [v4.0.1]: https://github.com/pydantic/logfire/compare/v4.0.0...v4.0.1
 [v4.1.0]: https://github.com/pydantic/logfire/compare/v4.0.1...v4.1.0
 [v4.2.0]: https://github.com/pydantic/logfire/compare/v4.1.0...v4.2.0
+[v4.3.0]: https://github.com/pydantic/logfire/compare/v4.2.0...v4.3.0

logfire-api/logfire_api/_internal/cli/__init__.pyi

@@ -10,5 +10,8 @@ def logfire_info() -> str:
 class SplitArgs(argparse.Action):
     def __call__(self, parser: argparse.ArgumentParser, namespace: argparse.Namespace, values: str | Sequence[Any] | None, option_string: str | None = None): ...
 
+class OrgProjectAction(argparse.Action):
+    def __call__(self, parser: argparse.ArgumentParser, namespace: argparse.Namespace, values: str | Sequence[Any] | None, option_string: str | None = None): ...
+
 def main(args: list[str] | None = None) -> None:
     """Run the CLI."""

logfire-api/logfire_api/_internal/cli/prompt.pyi

@@ -0,0 +1,8 @@
+import argparse
+from logfire._internal.client import LogfireClient as LogfireClient
+
+def parse_prompt(args: argparse.Namespace) -> None:
+    """Creates a prompt to be used with your favorite LLM.
+
+    The prompt assumes you are using Logfire MCP.
+    """

logfire-api/logfire_api/_internal/client.pyi

@@ -50,3 +50,7 @@ class LogfireClient:
         """
     def create_write_token(self, organization: str, project_name: str) -> dict[str, Any]:
         """Create a write token for the given project in the given organization."""
+    def create_read_token(self, organization: str, project_name: str) -> dict[str, Any]:
+        """Create a read token for the given project in the given organization."""
+    def get_prompt(self, organization: str, project_name: str, issue: str) -> dict[str, Any]:
+        """Get a prompt to be used with your favorite LLM."""

logfire-api/pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "logfire-api"
-version = "4.2.0"
+version = "4.3.0"
 description = "Shim for the Logfire SDK which does nothing unless Logfire is installed"
 authors = [
     { name = "Pydantic Team", email = "[email protected]" },

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "logfire"
-version = "4.2.0"
+version = "4.3.0"
 description = "The best Python observability tool! 🪵🔥"
 requires-python = ">=3.9"
 authors = [