From 33cf6c7934c2ce346e29cc5a52cf836de526c1d9 Mon Sep 17 00:00:00 2001
From: Zach Meves <zmeves@gmail.com>
Date: Wed, 18 Sep 2024 20:00:28 -0700
Subject: [PATCH] BUG: Update pyproject.toml with minimum Python version of
 3.8.

Closes #2858.
---
 .pylintrc                 | 2 +-
 docs/user/installation.md | 2 +-
 pyproject.toml            | 9 +++------
 3 files changed, 5 insertions(+), 8 deletions(-)

diff --git a/.pylintrc b/.pylintrc
index 3ad613991..ddfc8a95a 100644
--- a/.pylintrc
+++ b/.pylintrc
@@ -53,7 +53,7 @@ persistent=yes
 
 # Minimum Python version to use for version dependent checks. Will default to
 # the version used to run pylint.
-py-version=3.7
+py-version=3.8
 
 # Discover python modules and packages in the file system subtree.
 recursive=no
diff --git a/docs/user/installation.md b/docs/user/installation.md
index 6b9e0c8bc..56f86d089 100644
--- a/docs/user/installation.md
+++ b/docs/user/installation.md
@@ -4,7 +4,7 @@ There are several ways to install pypdf. The most common option is to use pip.
 
 ## pip
 
-pypdf requires Python 3.7+ to run.
+pypdf requires Python 3.8+ to run.
 
 Typically Python comes with `pip`, a package installer. Using it you can
 install pypdf:
diff --git a/pyproject.toml b/pyproject.toml
index 3da378ce9..bcf074244 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,7 +10,7 @@ description = "A pure-python PDF library capable of splitting, merging, cropping
 readme = "README.md"
 dynamic = ["version"]
 license = { file = "LICENSE" }
-requires-python = ">=3.6"
+requires-python = ">=3.8"
 classifiers = [
     "Development Status :: 5 - Production/Stable",
     "Intended Audience :: Developers",
@@ -30,7 +30,6 @@ classifiers = [
 
 dependencies = [
     "typing_extensions >= 4.0; python_version < '3.11'",
-    "dataclasses; python_version < '3.7'",
 ]
 
 [project.urls]
@@ -41,13 +40,11 @@ Changelog = "https://pypdf.readthedocs.io/en/latest/meta/CHANGELOG.html"
 
 [project.optional-dependencies]
 full = [
-    "cryptography; python_version >= '3.7'",
-    "PyCryptodome; python_version == '3.6'",
+    "cryptography; python_version >= '3.8'",
     "Pillow>=8.0.0",
 ]
 crypto = [
-    "cryptography; python_version >= '3.7'",
-    "PyCryptodome; python_version == '3.6'",
+    "cryptography; python_version >= '3.8'",
 ]
 image = ["Pillow>=8.0.0"]
 dev = ["black", "pip-tools", "pre-commit<2.18.0", "pytest-cov", "pytest-socket", "pytest-timeout", "flit", "wheel", "pytest-xdist"]