MOTOR-1327 Use Hatch as Build Backend (#286)

.evergreen/run-tox.sh

@@ -63,7 +63,7 @@ createvirtualenv () {
     fi
 
     python -m pip install -q --upgrade pip
-    python -m pip install -q --upgrade setuptools wheel tox
+    python -m pip install -q --upgrade tox
 }
 
 

.github/workflows/test-python.yml

@@ -58,7 +58,6 @@ jobs:
       - name: Run linters
         run: |
           tox -m lint-manual
-          tox -m manifest
 
   docs:
     runs-on: ubuntu-20.04

.readthedocs.yaml

@@ -15,7 +15,7 @@ python:
       # Install motor itself.
       - method: pip
         path: .
-      - requirements: requirements/docs-requirements.txt
+      - requirements: requirements/docs.txt
 
 build:
   os: ubuntu-22.04

MANIFEST.in

@@ -1,31 +0,0 @@
-include README.md
-include LICENSE
-include tox.ini
-include sbom.json
-include pyproject.toml
-include requirements.txt
-include doc/Makefile
-include doc/examples/tornado_change_stream_templates/index.html
-recursive-include doc *.rst
-recursive-include doc *.py
-recursive-include doc *.png
-recursive-include test *.py
-recursive-include test *.pem
-recursive-include doc *.conf
-recursive-include doc *.css
-recursive-include doc *.js
-recursive-include doc *.txt
-recursive-include doc *.bat
-recursive-include synchro *.py
-recursive-include motor *.pyi
-recursive-include motor *.typed
-recursive-include motor *.py
-recursive-include requirements *.txt
-
-exclude .readthedocs.yaml
-exclude .git-blame-ignore-revs
-exclude .pre-commit-config.yaml
-exclude release.sh
-exclude RELEASE.md
-exclude CONTRIBUTING.md
-exclude .evergreen/*

motor/_version.py

@@ -13,13 +13,29 @@
 # limitations under the License.
 
 """Version-related data for motor."""
-version_tuple = (3, 5, 0, ".dev0")
+import re
+from typing import List, Tuple, Union
+
+__version__ = "3.5.0.dev0"
+
+
+def get_version_tuple(version: str) -> Tuple[Union[int, str], ...]:
+    pattern = r"(?P<major>\d+).(?P<minor>\d+).(?P<patch>\d+)(?P<rest>.*)"
+    match = re.match(pattern, version)
+    if match:
+        parts: List[Union[int, str]] = [int(match[part]) for part in ["major", "minor", "patch"]]
+        if match["rest"]:
+            parts.append(match["rest"])
+    elif re.match(r"\d+.\d+", version):
+        parts = [int(part) for part in version.split(".")]
+    else:
+        raise ValueError("Could not parse version")
+    return tuple(parts)
+
+
+version_tuple = get_version_tuple(__version__)
+version = __version__
 
 
 def get_version_string() -> str:
-    if isinstance(version_tuple[-1], str):
-        return ".".join(map(str, version_tuple[:-1])) + version_tuple[-1]
-    return ".".join(map(str, version_tuple))  # type:ignore[unreachable]
-
-
-version = get_version_string()
+    return __version__

pyproject.toml

@@ -1,6 +1,6 @@
 [build-system]
-requires = ["setuptools>61.0"]
-build-backend = "setuptools.build_meta"
+requires = ["hatchling>1.24","hatch-requirements-txt>=0.4.1"]
+build-backend = "hatchling.build"
 
 [project]
 name = "motor"
@@ -48,11 +48,21 @@ Documentation = "https://motor.readthedocs.io"
 Source = "https://github.com/mongodb/motor"
 Tracker = "https://jira.mongodb.org/projects/MOTOR/issues"
 
-[tool.setuptools.dynamic]
-version = {attr = "motor._version.version"}
+[tool.hatch.version]
+path = "motor/_version.py"
 
-[tool.setuptools.packages.find]
-include = ["motor"]
+[tool.hatch.metadata.hooks.requirements_txt]
+files = ["requirements.txt"]
+
+[tool.hatch.metadata.hooks.requirements_txt.optional-dependencies]
+aws = ["requirements/aws.txt"]
+docs = ["requirements/docs.txt"]
+encryption = ["requirements/encryption.txt"]
+gssapi = ["requirements/gssapi.txt"]
+ocsp = ["requirements/ocsp.txt"]
+snappy = ["requirements/snappy.txt"]
+test = ["requirements/test.txt"]
+zstd = ["requirements/zstd.txt"]
 
 [tool.mypy]
 python_version = "3.8"

setup.py

@@ -1,21 +0,0 @@
-from setuptools import setup
-
-
-def parse_reqs_file(fname):
-    with open(fname) as fid:  # noqa:PTH123
-        lines = [li.strip() for li in fid.readlines()]
-    return [li for li in lines if li and not li.startswith("#")]
-
-
-extras_require = dict(  # noqa:C408
-    aws=parse_reqs_file("requirements/aws-requirements.txt"),
-    encryption=parse_reqs_file("requirements/encryption-requirements.txt"),
-    gssapi=parse_reqs_file("requirements/gssapi-requirements.txt"),
-    ocsp=parse_reqs_file("requirements/ocsp-requirements.txt"),
-    snappy=parse_reqs_file("requirements/snappy-requirements.txt"),
-    srv=parse_reqs_file("requirements/srv-requirements.txt"),
-    test=parse_reqs_file("requirements/test-requirements.txt"),
-    zstd=parse_reqs_file("requirements/zstd-requirements.txt"),
-)
-
-setup(install_requires=parse_reqs_file("requirements.txt"), extras_require=extras_require)

tox.ini

@@ -43,7 +43,6 @@ labels = # Use labels and -m instead of -e so that tox -m <label> fails instantl
     lint = lint
     lint-manual = lint-manual
     linkcheck = linkcheck
-    manifest = manifest
     typecheck-mypy = typecheck-mypy
 
 [testenv]
@@ -76,7 +75,7 @@ extras =
 [testenv:docs]
 setenv = PYTHONWARNINGS=
 deps =
-    -rrequirements/docs-requirements.txt
+    -rrequirements/docs.txt
 changedir = doc
 commands =
     python -m sphinx -q -E -W -b html . {envtmpdir}/html {posargs}
@@ -84,7 +83,7 @@ commands =
 [testenv:doctest]
 setenv = PYTHONHASHSEED=0
 deps =
-    -rrequirements/docs-requirements.txt
+    -rrequirements/docs.txt
 changedir = doc
 commands =
     python -m sphinx -q -E -b doctest . {envtmpdir}/doctest {posargs}
@@ -92,7 +91,7 @@ commands =
 [testenv:linkcheck]
 setenv = PYTHONHASHSEED=0
 deps =
-    -rrequirements/docs-requirements.txt
+    -rrequirements/docs.txt
 changedir = doc
 commands =
     python -m sphinx -q -E -b linkcheck . {envtmpdir}/linkcheck {posargs}
@@ -147,19 +146,12 @@ deps =
 commands =
     python -m pre_commit run --all-files --hook-stage=manual
 
-[testenv:manifest]
-deps =
-    check-manifest
-commands =
-    python -m check_manifest -v
-
 [testenv:typecheck-mypy]
 description = run mypy to typecheck
 extras =
     test
 deps =
     mypy==1.7.0
-    setuptools==68.0.0
 setenv =
     SKIP_ENV_SETUP=1
 commands =