From e52f08cac47a090346837d61040cc0881849d405 Mon Sep 17 00:00:00 2001
From: Ofek Lev <ofekmeister@gmail.com>
Date: Tue, 15 Feb 2022 16:38:12 -0500
Subject: [PATCH] Add `pyproject.toml` file

---
 upsc/MANIFEST.in     | 10 -------
 upsc/pyproject.toml  | 62 ++++++++++++++++++++++++++++++++++++++++++++
 upsc/requirements.in |  0
 upsc/setup.py        | 19 ++++++++++++--
 upsc/tox.ini         |  2 +-
 5 files changed, 80 insertions(+), 13 deletions(-)
 delete mode 100644 upsc/MANIFEST.in
 create mode 100644 upsc/pyproject.toml
 delete mode 100644 upsc/requirements.in

diff --git a/upsc/MANIFEST.in b/upsc/MANIFEST.in
deleted file mode 100644
index 6fa1c2388a..0000000000
--- a/upsc/MANIFEST.in
+++ /dev/null
@@ -1,10 +0,0 @@
-graft datadog_checks
-graft tests
-
-include MANIFEST.in
-include README.md
-include requirements.in
-include requirements-dev.txt
-include manifest.json
-
-global-exclude *.py[cod] __pycache__
diff --git a/upsc/pyproject.toml b/upsc/pyproject.toml
new file mode 100644
index 0000000000..1d20bd48f3
--- /dev/null
+++ b/upsc/pyproject.toml
@@ -0,0 +1,62 @@
+[build-system]
+requires = [
+    "hatchling>=0.12.0",
+    "setuptools; python_version < '3.0'",
+]
+build-backend = "hatchling.build"
+
+[project]
+name = "datadog-upsc"
+description = "The UPSC check"
+readme = "README.md"
+license = "BSD-3-Clause"
+keywords = [
+    "datadog",
+    "datadog agent",
+    "datadog check",
+    "upsc",
+]
+authors = [
+    { name = "Datadog", email = "packages@datadoghq.com" },
+]
+classifiers = [
+    "Development Status :: 5 - Production/Stable",
+    "Intended Audience :: Developers",
+    "Intended Audience :: System Administrators",
+    "License :: OSI Approved :: BSD License",
+    "Programming Language :: Python :: 2.7",
+    "Programming Language :: Python :: 3.8",
+    "Topic :: System :: Monitoring",
+]
+dependencies = [
+    "datadog-checks-base>=4.2.0",
+]
+dynamic = [
+    "version",
+]
+
+[project.optional-dependencies]
+deps = []
+
+[project.urls]
+Source = "https://github.com/DataDog/integrations-extras"
+
+[tool.hatch.version]
+path = "datadog_checks/upsc/__about__.py"
+
+[tool.hatch.build.targets.sdist]
+include = [
+    "/datadog_checks",
+    "/tests",
+    "/manifest.json",
+    "/requirements-dev.txt",
+    "/tox.ini",
+]
+
+[tool.hatch.build.targets.wheel]
+include = [
+    "/datadog_checks",
+]
+dev-mode-dirs = [
+    ".",
+]
diff --git a/upsc/requirements.in b/upsc/requirements.in
deleted file mode 100644
index e69de29bb2..0000000000
diff --git a/upsc/setup.py b/upsc/setup.py
index 37f0166218..6bb6f1a34b 100644
--- a/upsc/setup.py
+++ b/upsc/setup.py
@@ -24,7 +24,22 @@ def get_dependencies():
         return f.readlines()
 
 
-CHECKS_BASE_REQ = 'datadog-checks-base>=4.2.0'
+def parse_pyproject_array(name):
+    import os
+    import re
+    from ast import literal_eval
+
+    pattern = r'^{} = (\[.*?\])$'.format(name)
+
+    with open(os.path.join(HERE, 'pyproject.toml'), 'r', encoding='utf-8') as f:
+        # Windows \r\n prevents match
+        contents = '\n'.join(line.rstrip() for line in f.readlines())
+
+    array = re.search(pattern, contents, flags=re.MULTILINE | re.DOTALL).group(1)
+    return literal_eval(array)
+
+
+CHECKS_BASE_REQ = parse_pyproject_array('dependencies')[0]
 
 
 setup(
@@ -56,7 +71,7 @@ def get_dependencies():
     packages=['datadog_checks.upsc'],
     # Run-time dependencies
     install_requires=[CHECKS_BASE_REQ],
-    extras_require={'deps': get_dependencies()},
+    extras_require={'deps': parse_pyproject_array('deps')},
     # Extra files to ship with the wheel package
     include_package_data=True,
 )
diff --git a/upsc/tox.ini b/upsc/tox.ini
index 07ab2f2dd3..5458b76e47 100644
--- a/upsc/tox.ini
+++ b/upsc/tox.ini
@@ -13,6 +13,7 @@ envdir =
 dd_check_style = true
 usedevelop = true
 platform = linux|darwin|win32
+extras = deps
 deps =
     datadog-checks-base[deps]
     -rrequirements-dev.txt
@@ -20,5 +21,4 @@ passenv =
     DOCKER*
     COMPOSE*
 commands =
-    pip install -r requirements.in
     pytest -v