Removed dependency on typing_compat and bumped the minimum python

.github/dependabot.yml

@@ -15,6 +15,5 @@ updates:
       - dependency-name: "psutil"
       - dependency-name: "pystache"
       - dependency-name: "typeguard"
-      - dependency-name: "typing-compat"
       - dependency-name: "packaging"
 

.github/workflows/python-package.yml

@@ -14,7 +14,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.7, 3.8, 3.9, 3.10]
+        python-version: [3.8, 3.9, 3.10, 3.11, 3.12]
     runs-on: ubuntu-latest
 
     steps:

.mypy

@@ -16,6 +16,3 @@ ignore_missing_imports = True
 
 [mypy-pystache.*]
 ignore_missing_imports = True
-
-[mypy-typing_compat.*]
-ignore_missing_imports = True

QuickStart.md

@@ -7,13 +7,13 @@ This document will guide you through the install procedure and your first Hello
 - [Hello World example](#hello-world)
 
 ## Requirements
-- python3.7+
+- python3.8+
 
 ## Install PSI/J
 
 If you have conda installed you might want to start from a fresh environment. This part is not installing PSI/J but setting up a new environment with the specified python version:
 
-1. `conda create -n psij python=3.7`
+1. `conda create -n psij python=3.8`
 2. `conda activate psij`
 
 
@@ -35,7 +35,7 @@ Install PSI/J from the GitHub repository:
 ## Hello World
 
 **Requirements**
-- python3.7
+- python3.8
 - Job executor, e.g. Slurm in this example
 
 **Steps**

docs/getting_started.rst

@@ -10,7 +10,7 @@ or from source.
 Requirements
 ^^^^^^^^^^^^
 
-The only requirements are Python 3.7+ and pip, which almost always
+The only requirements are Python 3.8+ and pip, which almost always
 comes with Python.
 
 Install from PIP

requirements.txt

@@ -1,5 +1,4 @@
 psutil >=5.9, <=6.1.1
 pystache>=0.6.0
 typeguard>=3.0.1
-typing-compat
 packaging >= 24.0, <= 24.2

setup.py

@@ -42,5 +42,5 @@
         },
 
         install_requires=install_requires,
-        python_requires='>=3.7'
+        python_requires='>=3.8'
     )

src/psij/serialize.py

@@ -6,7 +6,6 @@
 from io import StringIO, TextIOBase
 from pathlib import Path
 from typing import Optional, Dict, Union, List, IO, AnyStr, TextIO
-import typing_compat
 
 from psij import ResourceSpec
 from psij.job_attributes import JobAttributes
@@ -135,12 +134,12 @@ def _from_psij_object(self, o: Union[JobSpec, JobAttributes, ResourceSpec]) \
 
     def _canonicalize_type(self, t: object) -> object:
         # generics don't appear to be subclasses of Type, so we can't really use Type for t
-        origin = typing_compat.get_origin(t)
+        origin = typing.get_origin(t)
         if origin == Optional:
             # Python converts Optional[T] to Union[T, None], so this shouldn't happen
-            return typing_compat.get_args(t)[0]
+            return typing.get_args(t)[0]
         elif origin == Union:
-            args = typing_compat.get_args(t)
+            args = typing.get_args(t)
             if args[0] == NoneType:
                 return args[1]
             elif args[1] == NoneType:
@@ -171,10 +170,10 @@ def _from_object(self, o: object, t: object) -> object:
         else:
             if t == Union[str, Path] or t == Optional[Union[str, Path]]:
                 return str(o)
-            if typing_compat.get_origin(t) == dict:
+            if typing.get_origin(t) == dict:
                 assert isinstance(o, dict)
                 return self._from_dict(o)
-            if typing_compat.get_origin(t) == list:
+            if typing.get_origin(t) == list:
                 assert isinstance(o, list)
                 return self._from_list(o)
         raise ValueError('Cannot convert type "%s".' % t)
@@ -249,10 +248,10 @@ def _to_object(self, s: object, t: object) -> object:
             if t == Union[str, Path] or t == Optional[Union[str, Path]]:
                 assert isinstance(s, str)
                 return Path(s)
-            if typing_compat.get_origin(t) == dict:
+            if typing.get_origin(t) == dict:
                 assert isinstance(s, dict)
                 return self._to_dict(s)
-            if typing_compat.get_origin(t) == list:
+            if typing.get_origin(t) == list:
                 assert isinstance(s, list)
                 return self._to_list(s)
         raise ValueError('Cannot convert type "%s".' % t)

web/install.html

@@ -13,7 +13,7 @@ <h2><i class="fab fa-python"></i> Installing <span class="psij-font">PSI/J</span
                             <div style="margin-top: 1em">
                                 The psij-python library has the following requirements:
                                 <ul>
-                                    <li>Python 3.7 or later
+                                    <li>Python 3.8 or later
                                     <li>Ubuntu 16.04 or later (or an equivalent Linux distribution)
                                     <li>OS X 10.10 or later
                                 </ul>