pipx: Add new package

From the README:

pipx is a tool to help you install and run end-user applications written
in Python. It's roughly similar to macOS's brew, JavaScript's npx, and
Linux's apt.

It's closely related to pip. In fact, it uses pip, but is focused on
installing and managing Python packages that can be run from the command
line directly as applications.

Signed-off-by: Jeffery To <jeffery.to@gmail.com>

lang/python/pipx/Makefile

@@ -0,0 +1,55 @@
+#
+# Copyright (C) 2023 Jeffery To
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=pipx
+PKG_VERSION:=1.2.1
+PKG_RELEASE:=1
+
+PYPI_NAME:=pipx
+PKG_HASH:=698777c05a97cca81df4dc6a71d9ca4ece2184c6f91dc7a0e4802ac51d86d32a
+
+PKG_LICENSE:=MIT
+PKG_LICENSE_FILES:=LICENSE
+PKG_MAINTAINER:=Jeffery To <jeffery.to@gmail.com>
+
+PKG_BUILD_DEPENDS:=python-hatchling/host
+
+include ../pypi.mk
+include $(INCLUDE_DIR)/package.mk
+include ../python3-package.mk
+
+define Package/pipx
+  SECTION:=lang
+  CATEGORY:=Languages
+  SUBMENU:=Python
+  TITLE:=Install/Run Python Applications in Isolated Environments
+  URL:=https://github.com/pypa/pipx
+  DEPENDS:= \
+    +python3-light \
+    +python3-logging \
+    +python3-urllib \
+    +python3-venv \
+    +python3-argcomplete \
+    +python3-packaging \
+    +python3-userpath
+endef
+
+define Package/pipx/description
+pipx is a tool to help you install and run end-user applications written
+in Python. It's roughly similar to macOS's brew, JavaScript's npx, and
+Linux's apt.
+
+It's closely related to pip. In fact, it uses pip, but is focused on
+installing and managing Python packages that can be run from the command
+line directly as applications.
+endef
+
+$(eval $(call Py3Package,pipx))
+$(eval $(call BuildPackage,pipx))
+$(eval $(call BuildPackage,pipx-src))

lang/python/pipx/test.sh

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+#!/bin/sh
+
+[ "$1" = pipx ] || exit 0
+
+pipx --version | grep -Fx "$PKG_VERSION"