Add support for Python 3.8

.circleci/config.yml

@@ -151,6 +151,11 @@ jobs:
     environment:
       CONDA_ENV_PY_VERSION: "3.7"
 
+  build_38:
+    <<: *DEFAULT
+    environment:
+      CONDA_ENV_PY_VERSION: "3.8"
+
   deploy_demo:
     <<: *DEFAULT
     steps:
@@ -167,10 +172,12 @@ workflows:
     jobs:
       - build_36
       - build_37
+      - build_38
       - deploy_demo:
           requires:
             - build_36
             - build_37
+            - build_38
           filters:
             branches:
               only: master
@@ -186,3 +193,4 @@ workflows:
     jobs:
       - build_36
       - build_37
+      - build_38

README.md

@@ -6,7 +6,7 @@
 [![npm version](https://img.shields.io/npm/v/@quantumblack/kedro-viz.svg?color=cc3534)](https://badge.fury.io/js/%40quantumblack%2Fkedro-viz)
 [![PyPI version](https://img.shields.io/pypi/v/kedro-viz.svg?color=yellow)](https://pypi.org/project/kedro-viz/)
 [![License](https://img.shields.io/badge/license-Apache%202.0-3da639.svg)](https://opensource.org/licenses/Apache-2.0)
-[![Python Version](https://img.shields.io/badge/python-3.6%20%7C%203.7-blue.svg)](https://pypi.org/project/kedro-viz/)
+[![Python Version](https://img.shields.io/badge/python-3.6%20%7C%203.7%20%7C%203.8-blue.svg)](https://pypi.org/project/kedro-viz/)
 [![code style: prettier](https://img.shields.io/badge/code_style-prettier-ff69b4.svg)](https://github.com/prettier/prettier)
 
 Kedro-Viz shows you how your [Kedro](https://github.com/quantumblacklabs/kedro) data pipelines are structured.

RELEASE.md

@@ -12,7 +12,7 @@ Please follow the established format:
 ## Major features and improvements
 
 <!-- Add release notes for the upcoming release here -->
-
+- Add support for Python 3.8 (#173)
 ## Bug fixes and other changes
 
 <!-- Add release notes for the upcoming release here -->

package/features/environment.py

@@ -32,17 +32,25 @@
 import os
 import shutil
 import stat
+import sys
 import tempfile
 from pathlib import Path
 
 from features.steps.sh_run import run
 from features.steps.util import create_new_venv
 
 
-def before_scenario(context, feature):  # pylint: disable=unused-argument
+def _should_exclude_scenario(scenario):
+    pre_16_scenario = any(key in scenario.name for key in ["0.14", "0.15"])
+    return sys.version_info >= (3, 8) and pre_16_scenario
+
+
+def before_scenario(context, scenario):  # pylint: disable=unused-argument
     """Environment preparation before other cli tests are run.
     Installs kedro by running pip in the top level directory.
     """
+    if _should_exclude_scenario(scenario):
+        scenario.skip()
 
     def call(cmd, verbose=False):
         res = run(cmd, env=context.env)
@@ -96,7 +104,7 @@ def call(cmd, verbose=False):
     context.temp_dir = Path(tempfile.mkdtemp())
 
 
-def after_scenario(context, feature):
+def after_scenario(context, scenario):
     # pylint: disable=unused-argument
     rmtree(str(context.temp_dir))
     if "E2E_VENV" not in os.environ:

package/features/viz.feature

@@ -49,6 +49,13 @@ Feature: Viz plugin in new project
         When I execute the kedro viz command "viz"
         Then kedro-viz should start successfully
 
+    Scenario: Execute viz with Kedro 0.16.1
+        Given I have installed kedro version "0.16.1"
+        And I have run a non-interactive kedro new
+        And I have executed the kedro command "install"
+        When I execute the kedro viz command "viz"
+        Then kedro-viz should start successfully
+
     Scenario: Execute viz with latest Kedro
         Given I have installed kedro version "latest"
         And I have run a non-interactive kedro new

package/setup.py

@@ -69,7 +69,7 @@
     long_description_content_type="text/markdown",
     license="Apache Software License (Apache 2.0)",
     url="https://github.com/quantumblacklabs/kedro-viz",
-    python_requires=">=3.6, <3.8",
+    python_requires=">=3.6, <3.9",
     install_requires=requires,
     tests_require=test_requires,
     keywords="pipelines, machine learning, data pipelines, data science, data engineering, visualisation",