breaking drop Python 3.7 support

... per discussion.
deepmodeling · Jan 27, 2024 · fc3e899 · fc3e899
1 parent f4d7c7e
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diff --git a/doc/development/coding-conventions.rst b/doc/development/coding-conventions.rst
@@ -30,7 +30,7 @@ Rules
 -----
 
 The code must be compatible with the oldest supported version of python
-which is 3.7
+which is 3.8.
 
 The project follows the generic coding conventions as
 specified in the `Style Guide for Python Code`_, `Docstring

diff --git a/doc/install/easy-install.md b/doc/install/easy-install.md
@@ -8,6 +8,10 @@ After your easy installation, DeePMD-kit (`dp`) and LAMMPS (`lmp`) will be avail
 Note: The off-line packages and conda packages require the [GNU C Library](https://www.gnu.org/software/libc/) 2.17 or above. The GPU version requires [compatible NVIDIA driver](https://docs.nvidia.com/deploy/cuda-compatibility/index.html#minor-version-compatibility) to be installed in advance. It is possible to force conda to [override detection](https://docs.conda.io/projects/conda/en/latest/user-guide/tasks/manage-virtual.html#overriding-detected-packages) when installation, but these requirements are still necessary during runtime.
 :::
 
+:::{note}
+Python 3.8 or above is required for Python interface.
+:::
+
 - [Install off-line packages](#install-off-line-packages)
 - [Install with conda](#install-with-conda)
 - [Install with docker](#install-with-docker)

diff --git a/doc/install/install-from-source.md b/doc/install/install-from-source.md
@@ -16,12 +16,13 @@ deepmd_source_dir=`pwd`
 
 ## Install the python interface
 ### Install Tensorflow's python interface
-First, check the python version on your machine
+First, check the python version on your machine.
+Python 3.8 or above is required.
 ```bash
 python --version
 ```
 
-We follow the virtual environment approach to install TensorFlow's Python interface. The full instruction can be found on the official [TensorFlow website](https://www.tensorflow.org/install/pip). TensorFlow 1.8 or later is supported. Now we assume that the Python interface will be installed to the virtual environment directory `$tensorflow_venv`
+We follow the virtual environment approach to install TensorFlow's Python interface. The full instruction can be found on the official [TensorFlow website](https://www.tensorflow.org/install/pip). TensorFlow 2.2 or later is supported. Now we assume that the Python interface will be installed to the virtual environment directory `$tensorflow_venv`
 ```bash
 virtualenv -p python3 $tensorflow_venv
 source $tensorflow_venv/bin/activate

diff --git a/pyproject.toml b/pyproject.toml
@@ -27,7 +27,7 @@ classifiers = [
     "Programming Language :: Python :: 3 :: Only",
     "Environment :: GPU :: NVIDIA CUDA :: 12 :: 12.2",
     "Intended Audience :: Science/Research",
-    "Programming Language :: Python :: 3.7",
+    "Programming Language :: Python :: 3.8",
     "License :: OSI Approved :: GNU Lesser General Public License v3 (LGPLv3)",
     "Topic :: Scientific/Engineering :: Artificial Intelligence",
     "Topic :: Scientific/Engineering :: Physics",
@@ -46,7 +46,7 @@ dependencies = [
     'wcmatch',
     'packaging',
 ]
-requires-python = ">=3.7"
+requires-python = ">=3.8"
 keywords = ["deepmd"]
 
 [project.entry-points."lammps.plugins"]