Fix compatibility with Cyclopts v4 and pygments v2.20

CHANGELOG.md

@@ -3,6 +3,11 @@
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## v1.0.1 (Unreleased)
+
+- Fixed compatibility with Cyclopts v4.
+- Fixed compatibility with pygments v2.20+.
+
 ## v1.0.0 (2025-02-15)
 
 This release involves major changes to reprexlite. There is a significant refactoring of the library internals and also many changes to the API. This enabled new feature and more customizability.

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "flit_core.buildapi"
 
 [project]
 name = "reprexlite"
-version = "1.0.0"
+version = "1.0.1"
 description = "Render reproducible examples of Python code for sharing."
 readme = "README.md"
 authors = [{ name = "Jay Qi", email = "jayqi.opensource@gmail.com" }]

reprexlite/cli.py

@@ -108,6 +108,12 @@ def get_help():
     ),
 )
 
+# cyclopts v4 defaults to sys.exit-ing with the command's return value. We call app()
+# programmatically from the IPython magics, so we need the return value itself. cyclopts v3, which
+# is still resolved on Python 3.9, always does this and has no such attribute.
+if hasattr(app, "result_action"):
+    app.result_action = "return_value"
+
 
 def launch_ipython(config: ReprexConfig):
     try:

reprexlite/formatting.py

@@ -124,7 +124,9 @@ def format_as_html(reprex_str: str, config: Optional[ReprexConfig] = None) -> st
         from pygments.formatters import HtmlFormatter
         from pygments.lexers import PythonLexer
 
-        formatter = HtmlFormatter(style="friendly", lineanchors=True, linenos=True, wrapcode=True)
+        formatter = HtmlFormatter(
+            style="friendly", lineanchors="line", linenos=True, wrapcode=True
+        )
         out.append(f"<style>{formatter.get_style_defs('.highlight')}</style>")
         out.append(highlight(str(reprex_str), PythonLexer(), formatter))
     except ImportError: