Drop support for Python < 3.8.

Also update tox.ini and Github actions:
- unpin some dependencies required for older Python versions
- update action versions to latest version

.github/workflows/codeql-analysis.yml

@@ -43,7 +43,7 @@ jobs:
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
-      uses: github/codeql-action/init@v2
+      uses: github/codeql-action/init@v3
       with:
         languages: ${{ matrix.language }}
         # If you wish to specify custom queries, you can do so here or in a config file.
@@ -54,7 +54,7 @@ jobs:
     # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
     # If this step fails, then you should remove it and run the build manually (see below)
     - name: Autobuild
-      uses: github/codeql-action/autobuild@v2
+      uses: github/codeql-action/autobuild@v3
 
     # ℹ️ Command-line programs to run using the OS shell.
     # 📚 https://git.io/JvXDl
@@ -68,4 +68,4 @@ jobs:
     #   make release
 
     - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v2
+      uses: github/codeql-action/analyze@v3

.github/workflows/python-app.yml

@@ -15,25 +15,24 @@ on:
 jobs:
   test:
     name: Run tests on ${{ matrix.py }}
-    runs-on: ubuntu-20.04  # keep it on 20.04 to have Python 3.6 available
+    runs-on: ubuntu-latest
     strategy:
       matrix:
         py:
+          - "3.13-dev"
           - "3.12"
           - "3.11"
           - "3.10"
           - "3.9"
           - "3.8"
-          - "3.7"
-          - "3.6"
+          - "pypy-3.10"
           - "pypy-3.9"
           - "pypy-3.8"
-          - "pypy-3.7"
 
     steps:
     - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.py }}
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.py }}
         allow-prereleases: true
@@ -47,4 +46,4 @@ jobs:
     - name: Test with pytest
       run: pytest --cov=sqlparse
     - name: Publish to codecov
-      uses: codecov/codecov-action@v3
+      uses: codecov/codecov-action@v4

CHANGELOG

@@ -3,7 +3,7 @@ Development Version
 
 Notable Changes
 
-* Drop support for Python 3.5.
+* Drop support for Python 3.5, 3.6, and 3.7.
 * Python 3.12 is now supported (pr725, by hugovk).
 
 Enhancements:

README.rst

@@ -11,7 +11,7 @@ python-sqlparse - Parse SQL statements
 sqlparse is a non-validating SQL parser for Python.
 It provides support for parsing, splitting and formatting SQL statements.
 
-The module is compatible with Python 3.6+ and released under the terms of the
+The module is compatible with Python 3.8+ and released under the terms of the
 `New BSD license <https://opensource.org/licenses/BSD-3-Clause>`_.
 
 Visit the project page at https://github.com/andialbrecht/sqlparse for

pyproject.toml

@@ -16,8 +16,6 @@ classifiers = [
     "Programming Language :: Python",
     "Programming Language :: Python :: 3",
     "Programming Language :: Python :: 3 :: Only",
-    "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",
@@ -28,7 +26,7 @@ classifiers = [
     "Topic :: Database",
     "Topic :: Software Development",
 ]
-requires-python = ">=3.6"
+requires-python = ">=3.8"
 
 [project.urls]
 Home = "https://github.com/andialbrecht/sqlparse"
@@ -42,7 +40,6 @@ sqlformat = "sqlparse.__main__:main"
 
 [project.optional-dependencies]
 dev = [
-    "importlib_metadata<5; python_version <= '3.7'",
     "flake8",
     "build",
 ]
@@ -54,8 +51,8 @@ doc = [
     "sphinx",
 ]
 tox = [
-    "virtualenv<20.22.0",   # 20.22.0 dropped Python 3.6 support
-    "tox<4.5.0",  # >=4.5.0 requires virtualenv>=20.22
+    "virtualenv",
+    "tox",
 ]
 
 [tool.flit.sdist]

tox.ini

@@ -1,8 +1,6 @@
 [tox]
 skip_missing_interpreters = True
 envlist =
-    py36
-    py37
     py38
     py39
     py310
@@ -22,4 +20,4 @@ commands =
 deps =
     flake8
 commands =
-    flake8 sqlparse tests setup.py
+    flake8 sqlparse tests