[MNT] narwhals migration

.circleci/config.yml

@@ -11,7 +11,7 @@ orbs:
 
 defaults: &defaults
   docker:
-    - image: cimg/python:3.10.0
+    - image: cimg/python:3.12.1
   working_directory: ~/project
 
 prepare_tox: &prepare_tox
@@ -42,58 +42,6 @@ jobs:
   # Test matrix
   # ------------------------
 
-  test_feature_engine_py39:
-    docker:
-      - image: cimg/python:3.9.0
-    working_directory: ~/project
-    steps:
-      - checkout:
-          path: ~/project
-      - *prepare_tox
-      - run:
-          name: Run tests (Python 3.9)
-          command: |
-            tox -e py39
-
-  test_feature_engine_py310:
-    docker:
-      - image: cimg/python:3.10.0
-    working_directory: ~/project
-    steps:
-      - checkout:
-          path: ~/project
-      - *prepare_tox
-      - run:
-          name: Run tests (Python 3.10)
-          command: |
-            tox -e py310
-
-  test_feature_engine_py311_sklearn150:
-    docker:
-      - image: cimg/python:3.11.7
-    working_directory: ~/project
-    steps:
-      - checkout:
-          path: ~/project
-      - *prepare_tox
-      - run:
-          name: Run tests (Python 3.11, scikit-learn 1.5)
-          command: |
-            tox -e py311-sklearn150
-
-  test_feature_engine_py311_sklearn160:
-    docker:
-      - image: cimg/python:3.11.7
-    working_directory: ~/project
-    steps:
-      - checkout:
-          path: ~/project
-      - *prepare_tox
-      - run:
-          name: Run tests (Python 3.11, scikit-learn 1.6)
-          command: |
-            tox -e py311-sklearn160
-
   test_feature_engine_py311_sklearn170:
     docker:
       - image: cimg/python:3.11.7
@@ -166,7 +114,7 @@ jobs:
 
   test_style:
     docker:
-      - image: cimg/python:3.10.0
+      - image: cimg/python:3.12.1
     working_directory: ~/project
     steps:
       - checkout:
@@ -179,7 +127,7 @@ jobs:
 
   test_docs:
     docker:
-      - image: cimg/python:3.10.0
+      - image: cimg/python:3.12.1
     working_directory: ~/project
     steps:
       - checkout:
@@ -192,7 +140,7 @@ jobs:
 
   test_type:
     docker:
-      - image: cimg/python:3.10.0
+      - image: cimg/python:3.12.1
     working_directory: ~/project
     steps:
       - checkout:
@@ -277,10 +225,6 @@ workflows:
 
   test-all:
     jobs:
-      - test_feature_engine_py39
-      - test_feature_engine_py310
-      - test_feature_engine_py311_sklearn150
-      - test_feature_engine_py311_sklearn160
       - test_feature_engine_py311_sklearn170
       - test_feature_engine_py312_pandas230
       - test_feature_engine_py312_pandas300
@@ -298,10 +242,6 @@ workflows:
 
       - package_and_upload_to_pypi:
           requires:
-            - test_feature_engine_py39
-            - test_feature_engine_py310
-            - test_feature_engine_py311_sklearn150
-            - test_feature_engine_py311_sklearn160
             - test_feature_engine_py311_sklearn170
             - test_feature_engine_py312_pandas230
             - test_feature_engine_py312_pandas300

README.md

@@ -275,7 +275,7 @@ Feature-engine documentation is built using [Sphinx](https://www.sphinx-doc.org)
 
 To build the documentation make sure you have the dependencies installed: from the root directory: 
 ```
-pip install -r docs/requirements.txt
+pip install -e ".[docs]"
 ```
 
 Now you can build the docs using: 

docs/contribute/contribute_code.rst

@@ -395,7 +395,7 @@ To do this, first make sure you have all the documentation dependencies installe
 set up the environment as we described previously, they should be installed. Alternatively,
 from the windows cmd or mac terminal, run::
 
-    $ pip install -r docs/requirements.txt
+    $ pip install -e ".[docs]"
 
 Make sure you are within the feature_engine module when you run the previous command.
 

docs/contribute/contribute_docs.rst

@@ -79,7 +79,7 @@ dependencies. If you set up the development environment as we described in the
 Alternatively, first activate your environment. Then navigate to the root folder of
 feature-engine. And now install the requirements for the documentation::
 
-        $ pip install -r docs/requirements.txt
+        $ pip install -e ".[docs]"
 
 To build the documentation (and test if it is working properly) run::
 

docs/index.rst

@@ -127,7 +127,7 @@ The following characteristics make feature-engine unique:
 Installation
 ------------
 
-Feature-engine is a Python 3 package and works well with 3.9 or later.
+Feature-engine is a Python 3 package and works well with 3.11 or later.
 
 The simplest way to install feature-engine is from PyPI with pip:
 

pyproject.toml

@@ -10,18 +10,16 @@ license = {text = "BSD 3 clause"}
 authors = [
     { name = "Soledad Galli", email = "solegalli@protonmail.com" }
 ]
-requires-python = ">=3.9.0"
+requires-python = ">=3.11.0"
 dependencies = [
     "numpy>=1.18.2",
-    "pandas>=2.2.0",
-    "scikit-learn>=1.4.0",
+    "scikit-learn>=1.7.0",
     "scipy>=1.4.1",
+    "narwhals>=2.0.0",
 ]
 
 classifiers = [
     "License :: OSI Approved :: BSD License",
-    "Programming Language :: Python :: 3.9",
-    "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
@@ -39,10 +37,13 @@ docs = [
     "pydata_sphinx_theme>=0.7.2",
     "sphinx_autodoc_typehints>=1.11.1,<=1.21.3",
     "numpydoc>=0.9.2",
+    "pandas>=2.2.0",
 ]
 
 tests = [
     "pytest>=5.4.1",
+    "pandas>=2.2.0",
+    "polars>=1.0.0",
 
     # repo maintenance tooling
     "black>=21.5b1",

tox.ini

@@ -1,9 +1,5 @@
 [tox]
 envlist =
-    py39
-    py310
-    py311-sklearn150
-    py311-sklearn160
     py311-sklearn170
     py312-pandas230
     py312-pandas300
@@ -32,14 +28,6 @@ commands =
 # Python versions
 # -------------------------
 
-[testenv:py39]
-deps =
-    .[tests]
-
-[testenv:py310]
-deps =
-    .[tests]
-
 [testenv:py313]
 deps =
     .[tests]
@@ -53,16 +41,6 @@ deps =
 # scikit-learn matrix
 # -------------------------
 
-[testenv:py311-sklearn150]
-deps =
-    .[tests]
-    scikit-learn==1.5.1
-
-[testenv:py311-sklearn160]
-deps =
-    .[tests]
-    scikit-learn==1.6.1
-
 [testenv:py311-sklearn170]
 deps =
     .[tests]