PYTHON-4373 Use requirements files for deps (#1605)

.readthedocs.yaml

@@ -16,7 +16,7 @@ python:
       # Install pymongo itself.
       - method: pip
         path: .
-      - requirements: doc/docs-requirements.txt
+      - requirements: requirements/docs.txt
 
 build:
   os: ubuntu-22.04

MANIFEST.in

@@ -2,6 +2,7 @@ include README.md
 include LICENSE
 include THIRD-PARTY-NOTICES
 include *.ini
+include requirements.txt
 exclude .coveragerc
 exclude .git-blame-ignore-revs
 exclude .pre-commit-config.yaml
@@ -16,9 +17,9 @@ recursive-include doc *.js
 recursive-include doc *.png
 include doc/Makefile
 include doc/_templates/layout.html
-include doc/docs-requirements.txt
 include doc/make.bat
 include doc/static/periodic-executor-refs.dot
+recursive-include requirements *.txt
 recursive-include tools *.py
 include tools/README.rst
 include green_framework_test.py

requirements.txt

@@ -0,0 +1 @@
+dnspython>=1.16.0,<3.0.0

requirements/aws.txt

@@ -0,0 +1 @@
+pymongo-auth-aws>=1.1.0,<2.0.0

requirements/encryption.txt

@@ -0,0 +1,3 @@
+pymongo-auth-aws>=1.1.0,<2.0.0
+pymongocrypt>=1.6.0,<2.0.0
+certifi;os.name=='nt' or sys_platform=='darwin'

requirements/gssapi.txt

@@ -0,0 +1,2 @@
+pykerberos;os.name!='nt'
+winkerberos>=0.5.0;os.name=='nt'

requirements/ocsp.txt

@@ -0,0 +1,12 @@
+# PyOpenSSL 17.0.0 introduced support for OCSP. 17.1.0 introduced
+# a related feature we need. 17.2.0 fixes a bug
+# in set_default_verify_paths we should really avoid.
+# service_identity 18.1.0 introduced support for IP addr matching.
+# Fallback to certifi on Windows if we can't load CA certs from the system
+# store and just use certifi on macOS.
+# https://www.pyopenssl.org/en/stable/api/ssl.html#OpenSSL.SSL.Context.set_default_verify_paths
+certifi;os.name=='nt' or sys_platform=='darwin'
+pyopenssl>=17.2.0
+requests<3.0.0
+cryptography>=2.5
+service_identity>=18.1.0

requirements/snappy.txt

@@ -0,0 +1 @@
+python-snappy

requirements/test.txt

@@ -0,0 +1 @@
+pytest>=7

requirements/zstd.txt

@@ -0,0 +1 @@
+zstandard

setup.py

@@ -137,43 +137,26 @@ def build_extension(self, ext):
     ext_modules = []
 
 
-dependencies = [
-    "dnspython>=1.16.0,<3.0.0",
-]
+def parse_reqs_file(fname):
+    with open(fname) as fid:
+        lines = [li.strip() for li in fid.readlines()]
+    return [li for li in lines if li and not li.startswith("#")]
+
+
+dependencies = parse_reqs_file("requirements.txt")
 
 extras_require = dict(
-    aws=[
-        "pymongo-auth-aws>=1.1.0,<2.0.0",
-    ],
-    encryption=[
-        "pymongo[aws]",
-        "pymongocrypt>=1.6.0,<2.0.0",
-        "certifi;os.name=='nt' or sys_platform=='darwin'",
-    ],
-    gssapi=["pykerberos;os.name!='nt'", "winkerberos>=0.5.0;os.name=='nt'"],
-    # PyOpenSSL 17.0.0 introduced support for OCSP. 17.1.0 introduced
-    # a related feature we need. 17.2.0 fixes a bug
-    # in set_default_verify_paths we should really avoid.
-    # service_identity 18.1.0 introduced support for IP addr matching.
-    # Fallback to certifi on Windows if we can't load CA certs from the system
-    # store and just use certifi on macOS.
-    # https://www.pyopenssl.org/en/stable/api/ssl.html#OpenSSL.SSL.Context.set_default_verify_paths
-    ocsp=[
-        "certifi;os.name=='nt' or sys_platform=='darwin'",
-        "pyopenssl>=17.2.0",
-        "requests<3.0.0",
-        "cryptography>=2.5",
-        "service_identity>=18.1.0",
-    ],
-    snappy=["python-snappy"],
+    aws=parse_reqs_file("requirements/aws.txt"),
+    encryption=parse_reqs_file("requirements/encryption.txt"),
+    gssapi=parse_reqs_file("requirements/gssapi.txt"),
+    ocsp=parse_reqs_file("requirements/ocsp.txt"),
+    snappy=parse_reqs_file("requirements/snappy.txt"),
     # PYTHON-3423 Removed in 4.3 but kept here to avoid pip warnings.
     srv=[],
     tls=[],
     # PYTHON-2133 Removed in 4.0 but kept here to avoid pip warnings.
-    zstd=[
-        "zstandard",
-    ],
-    test=["pytest>=7"],
+    zstd=parse_reqs_file("requirements/zstd.txt"),
+    test=parse_reqs_file("requirements/test.txt"),
 )
 
 setup(

tox.ini

@@ -144,7 +144,7 @@ commands =
 [testenv:doc]
 description = build sphinx docs
 deps =
-    -rdoc/docs-requirements.txt
+    -rrequirements/docs.txt
 commands =
     sphinx-build -W -b html doc ./doc/_build/html