Revert "rm python 3.6; add python 3.12"

This reverts commit aa55b0d.

.github/CONTRIBUTING.md

@@ -65,7 +65,7 @@ Examples can be added in several ways:
 
 ### Installation
 
-If you are installing from the source, you will need Python 3.8 or later.
+If you are installing from the source, you will need Python 3.6.12 or later.
 We recommend you install an [Anaconda](https://www.anaconda.com/products/individual#download-section)
 to work with environments.
 
@@ -154,7 +154,7 @@ To run specific test:
 tox -e py37 -- -x tests/unit/test_utils
 ```
 
-To run tests for specific Python versions (for example python 3.8):
+To run tests for specific Python versions (for example python 3.6):
 ```bash
 poetry run tox -e py36
 ```

.github/workflows/CI.yml

@@ -43,8 +43,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, windows-latest, macos-14-large]
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        os: [ubuntu-20.04, windows-latest, macos-14-large]  # FIX: 'ubuntu-latest'(ubunut-22.04) -> 'ubuntu-20.04': Python version 3.6 was not found in the local cache
+        python-version: ["3.6", "3.7", "3.8", "3.9", "3.10", "3.11"]
 
     steps:
       - uses: actions/checkout@v2
@@ -67,7 +67,7 @@ jobs:
         run: sudo apt-get install build-essential libcairo2 libpango-1.0-0 libpangocairo-1.0-0 libgdk-pixbuf2.0-0 libffi-dev shared-mime-info
 
       - name: install deps for Windows
-        if: ${{ matrix.os == 'windows-latest' }}
+        if: ${{ matrix.os == 'windows-latest' }} && ${{ matrix.python-version == '3.6'}}
         run: pip3 install pycairo==1.20.0
 
       - name: install tox

.github/workflows/poetry_run.yml

@@ -14,7 +14,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-20.04, windows-latest, macos-latest]
-        python-version: [3.8, 3.9, 3.10, 3.11, 3.12]
+        python-version: [3.6, 3.7, 3.8, 3.9, 3.10, 3.11]
 
     steps:
       - uses: actions/checkout@v2

.pre-commit-config.yaml

@@ -38,7 +38,7 @@ repos:
     hooks:
       - id: set-py-versions
         name: set python versions
-        description: set python versions := [3.8, 3.13) to `pyproject.toml`
+        description: set python versions := [3.6.1, 3.12) to `pyproject.toml`
         language: python
         entry: python scripts/poetry_fix.py -f
         pass_filenames: false

pyproject.toml

@@ -15,11 +15,12 @@ license = "Apache-2.0"
 homepage = "https://lightautoml.readthedocs.io/en/latest/"
 repository = "https://github.com/AILab-MLTools/LightAutoML"
 classifiers = [
+    "Programming Language :: Python :: 3.6",
+    "Programming Language :: Python :: 3.7",
     "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
-    "Programming Language :: Python :: 3.12",
     "Operating System :: OS Independent",
     "Intended Audience :: Science/Research",
     "Development Status :: 5 - Production/Stable",
@@ -31,9 +32,11 @@ classifiers = [
 
 
 [tool.poetry.dependencies]
-python = ">=3.8, <3.13"
+python = ">=3.6.1, <3.12"
 
-poetry-core = "^1.0.0"
+poetry-core = [
+    {version = ">=1.0.0", python = "<3.7"},
+    {version = "^1.0.0", python = "^3.7"}
 ]
 pandas = "<2.0.0"
 numpy = [
@@ -47,16 +50,24 @@ scikit-learn = [
 ]
 lightgbm = ">=2.3, <=3.2.1"
 catboost = ">=0.26.1"
-xgboost = "^2.0.0"
+xgboost = [
+    {version = "*", python = "<3.8"},
+    {version = "^2.0.0", python = ">=3.8"}
+]
 optuna = "*"
-torch = ">=1.9.0, <=2.0.0"
+torch = [
+    {platform = "win32", python = "3.6.1", version = "1.7.0"},
+    {version = ">=1.9.0, <=2.0.0"}
+]
+dataclasses = {version = "0.6", python = "<3.7"}
 holidays = "*"
 statsmodels = "<=0.14.0"
 networkx = "*"
 cmaes = "*"
 pyyaml = "*"
 tqdm = "*"
 joblib = "<1.3.0"
+importlib-metadata = {version = ">=1.0", python = "<3.8"}
 autowoe = ">=1.2"
 jinja2 = "*"
 json2html = "*"
@@ -74,10 +85,13 @@ albumentations = {version = "<=1.0.3", optional = true}
 timm = {version = ">=0.9.0", optional = true}
 opencv-python = {version = "<=4.8.0.74", optional = true}
 PyWavelets = {version = "*", optional = true}
-torchvision = {platform = "*", version = "<=0.14.0", optional = true}
+torchvision = [
+    {platform = "win32", python = "3.6.1", version = "0.8.0", optional = true},
+    {platform = "*", version = "<=0.14.0", optional = true}
+]
 
 # AFG
-featuretools = {version = ">=1.11.1", optional = true}
+featuretools = {version = ">=1.11.1", python = ">=3.8", optional = true}
 
 # Report (pdf)
 weasyprint = {version = "52.5", optional = true}

tox.ini

@@ -2,7 +2,7 @@
 min_version = 3.28.0
 isolated_build = True
 envlist =
-    py{38, 39, 310, 311, 312},
+    py{36, 37, 38, 39, 310, 311},
     lint,
     docs,
     typing,
@@ -16,11 +16,12 @@ basepython = python3
 
 [gh-actions]
 python =
+    3.6: py36
+    3.7: py37
     3.8: py38
     3.9: py39
     3.10: py310
     3.11: py311
-    3.12: py312
 
 [gh-actions:env]
 PLATFORM =