Merge pull request #116 from cs50/rongxin-patch-1

Replace pkg_resources with importlib.metadata for Python 3.12

Author: rongxin-liu

cli50/__init__.py

@@ -1,22 +1,13 @@
 import os
-from pkg_resources import DistributionNotFound, get_distribution
+import sys
+from importlib.metadata import PackageNotFoundError, version
 
-# https://stackoverflow.com/a/17638236/5156190
-try:
-
-    # Get package's distribution
-    _dist = get_distribution("cli50")
-
-    # Normalize path for cross-OS compatibility
-    _dist_loc = os.path.normcase(_dist.location)
-    _here = os.path.normcase(__file__)
+# Require Python 3.8+
+if sys.version_info < (3, 8):
+    sys.exit("You have an old version of python. Install version 3.8 or higher.")
 
-    # This version is not installed, but another version is
-    if not _here.startswith(os.path.join(_dist_loc, "cli50")):
-        raise DistributionNotFound
-
-except DistributionNotFound:
-    __version__ = None
-
-else:
-    __version__ = _dist.version
+# Get version
+try:
+    __version__ = version("cli50")
+except PackageNotFoundError:
+    __version__ = "UNKNOWN"

cli50/__main__.py

@@ -8,14 +8,15 @@
 import inflect
 import json
 import os
-import pkg_resources
 import re
 import requests
 import shlex
 import shutil
 import subprocess
 import textwrap
 import tzlocal
+from importlib.resources import files
+from packaging import version
 
 from . import __version__
 
@@ -35,7 +36,7 @@
 TAG = "latest"
 
 # Internationalization
-t = gettext.translation("cli50", pkg_resources.resource_filename("cli50", "locale"), fallback=True)
+t = gettext.translation("cli50", str(files("cli50").joinpath("locale")), fallback=True)
 t.install()
 
 
@@ -61,7 +62,7 @@ def main():
     # Check PyPI for newer version
     if __version__ and not args["fast"]:
         try:
-            release = max(requests.get("https://pypi.org/pypi/cli50/json").json()["releases"], key=pkg_resources.parse_version)
+            release = max(requests.get("https://pypi.org/pypi/cli50/json").json()["releases"], key=version.parse)
             assert release <= __version__
         except requests.RequestException:
             pass

setup.py

@@ -6,7 +6,7 @@
     classifiers=[
         "Intended Audience :: Developers",
         "Intended Audience :: System Administrators",
-        "Programming Language :: Python :: 3.6",
+        "Programming Language :: Python :: 3.8",
         "Topic :: Software Development"
     ],
     message_extractors = {
@@ -15,7 +15,7 @@
     description="This is CS50 CLI, with which you can mount a directory inside of an Ubuntu container.",
     long_description=open("README.md").read(),
     license="GPLv3",
-    install_requires=["inflect", "requests", "tzlocal"],
+    install_requires=["inflect", "packaging", "requests", "tzlocal"],
     keywords="cli50",
     name="cli50",
     python_requires=">=3.8",
@@ -24,6 +24,6 @@
         "console_scripts": ["cli50=cli50.__main__:main"]
     },
     url="https://github.com/cs50/cli50",
-    version="7.5.1",
+    version="8.0.0",
     include_package_data=True
 )