Remove Python Upper Bound Requirements

RELEASE.md

@@ -15,6 +15,7 @@ Please follow the established format:
 ## Bug fixes and other changes
 
 - Fix to search for a '<lambda' Python function in the sidebar. (#1497)
+- Remove python upper-bound requirements and add KedroVizPythonVersion warning. (#1506)
 
 # Release 6.4.0
 

package/features/environment.py

@@ -37,11 +37,6 @@ def before_scenario(context, scenario):
             print(f"{scenario} will be skipped on Windows with Python 3.7")
             scenario.skip()
 
-    # skip lower-bound scenario for python versions greater than 3.10
-    if sys.version_info >= (3, 11) and "lower-bound" in scenario.name:
-        print(f"{scenario} will be skipped for Python version greater than 3.10")
-        scenario.skip()
-
     for step in scenario.steps:
         if "I have installed kedro version" in step.name:
             match = re.search(r"\b\d+\.\d+\.\d+\b", step.name)

package/features/steps/lower_requirements.txt

@@ -7,7 +7,7 @@ uvicorn[standard]==0.22.0
 watchgod==0.8.2
 plotly==4.0
 pandas==1.3; python_version < '3.10'
-pandas==1.4; python_version >= '3.10'
+pandas==1.5; python_version >= '3.10'
 sqlalchemy==1.4
 strawberry-graphql==0.192.0
 networkx==2.5

package/kedro_viz/__init__.py

@@ -1,3 +1,17 @@
 """Kedro plugin for visualising a Kedro pipeline"""
+import sys
+import warnings
 
 __version__ = "6.4.0"
+
+
+class KedroVizPythonVersionWarning(UserWarning):
+    """Custom class for warnings about incompatibilities with Python versions."""
+
+
+if sys.version_info >= (3, 12):
+    warnings.warn(
+        """Please be advised that Kedro Viz is not yet fully
+        compatible with the Python version you are currently using.""",
+        KedroVizPythonVersionWarning,
+    )

package/setup.py

@@ -36,7 +36,7 @@
     long_description_content_type="text/markdown",
     license="Apache Software License (Apache 2.0)",
     url="https://github.com/kedro-org/kedro-viz",
-    python_requires=">=3.7, <3.12",
+    python_requires=">=3.7",
     install_requires=requires,
     keywords="pipelines, machine learning, data pipelines, data science, data engineering, visualisation",
     author="Kedro",

package/tests/test_import.py

@@ -0,0 +1,19 @@
+import pytest
+
+import kedro_viz
+
+
+def test_import_kedro_viz_with_no_official_support_emits_warning(mocker):
+    """Test importing kedro Viz with python>=3.12 and controlled warnings should work"""
+    mocker.patch("kedro_viz.sys.version_info", (3, 12))
+
+    # We use the parent class to avoid issues with `exec_module`
+    with pytest.warns(UserWarning) as record:
+        kedro_viz.__loader__.exec_module(kedro_viz)
+
+    assert len(record) == 1
+    assert (
+        """Please be advised that Kedro Viz is not yet fully
+        compatible with the Python version you are currently using."""
+        in record[0].message.args[0]
+    )