Fix Read the Docs builds (#345)

* Thoroughly lock doc build requirements

This ensures doc builds are reproducible on Read the Docs

* Resolve two warnings emitted by Sphinx when building docs

.readthedocs.yaml

@@ -0,0 +1,14 @@
+version: 2
+
+build:
+  os: 'ubuntu-22.04'
+  tools:
+    python: '3.12'
+
+sphinx:
+  configuration: 'docs/conf.py'
+  fail_on_warning: false
+
+python:
+  install:
+    - requirements: 'docs/requirements.txt'

docs/conf.py

@@ -255,4 +255,4 @@
 
 
 # Example configuration for intersphinx: refer to the Python standard library.
-intersphinx_mapping = {'http://docs.python.org/': None}
+intersphinx_mapping = {'py': ('http://docs.python.org/', None)}

docs/requirements.txt

@@ -1 +1,27 @@
-sphinxcontrib-httpdomain==1.7.0
+alabaster==0.7.13 ; python_version >= "3.8"
+babel==2.14.0 ; python_version >= "3.8"
+certifi==2024.2.2 ; python_version >= "3.8"
+charset-normalizer==3.3.2 ; python_version >= "3.8"
+colorama==0.4.6 ; python_version >= "3.8" and sys_platform == "win32"
+docutils==0.20.1 ; python_version >= "3.8"
+idna==3.6 ; python_version >= "3.8"
+imagesize==1.4.1 ; python_version >= "3.8"
+importlib-metadata==7.0.1 ; python_version < "3.10" and python_version >= "3.8"
+jinja2==3.1.3 ; python_version >= "3.8"
+markupsafe==2.1.5 ; python_version >= "3.8"
+packaging==23.2 ; python_version >= "3.8"
+pygments==2.17.2 ; python_version >= "3.8"
+pytz==2024.1 ; python_version < "3.9" and python_version >= "3.8"
+requests==2.31.0 ; python_version >= "3.8"
+snowballstemmer==2.2.0 ; python_version >= "3.8"
+sphinx==7.1.2 ; python_version >= "3.8"
+sphinx-rtd-theme==2.0.0 ; python_version >= "3.8"
+sphinxcontrib-applehelp==1.0.4 ; python_version >= "3.8"
+sphinxcontrib-devhelp==1.0.2 ; python_version >= "3.8"
+sphinxcontrib-htmlhelp==2.0.1 ; python_version >= "3.8"
+sphinxcontrib-httpdomain==1.8.1 ; python_version >= "3.8"
+sphinxcontrib-jsmath==1.0.1 ; python_version >= "3.8"
+sphinxcontrib-qthelp==1.0.3 ; python_version >= "3.8"
+sphinxcontrib-serializinghtml==1.1.5 ; python_version >= "3.8"
+urllib3==2.2.1 ; python_version >= "3.8"
+zipp==3.17.0 ; python_version < "3.10" and python_version >= "3.8"

flask_cors/extension.py

@@ -70,9 +70,11 @@ class CORS(object):
         The origin(s) may be regular expressions, case-sensitive strings,
         or else an asterisk.
 
-        :note: origins must include the schema and the port (if not port 80),
-        e.g.,
-        `CORS(app, origins=["http://localhost:8000", "https://example.com"])`.
+        ..  note::
+
+            origins must include the schema and the port (if not port 80),
+            e.g.,
+            `CORS(app, origins=["http://localhost:8000", "https://example.com"])`.
 
         Default : '*'
     :type origins: list, string or regex