dependencies: fix sphinx version

* Updates setup.cfg.
* Fixes docs compatibilty problem with Sphinx>=5.0.0.

Co-Authored-by: Lauren-D <laurent.dubois@itld-solutions.be>

.readthedocs.yaml

@@ -0,0 +1,6 @@
+version: 2
+
+build:
+  os: "ubuntu-20.04"
+  tools:
+    python: "3.9"

docs/conf.py

@@ -7,10 +7,6 @@
 
 """Sphinx configuration."""
 
-from __future__ import print_function
-
-from invenio_sip2 import __version__
-
 # -- General configuration ------------------------------------------------
 
 # If your documentation needs a minimal Sphinx version, state it here.
@@ -55,18 +51,15 @@
 #
 # The short X.Y version.
 
-# Get the version string. Cannot be done with import!
-version = __version__
-
 # The full version, including alpha/beta/rc tags.
-release = version
+release = '0.6.14'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
 #
 # This is also used if you do content translation via gettext catalogs.
 # Usually you set "language" from the command line for these cases.
-language = None
+language = 'en'
 
 # There are two options for replacing |today|: either, you set today to some
 # non-false value, then it is used:

invenio_sip2/records/record.py

@@ -257,7 +257,7 @@ def get_current_patron_session(self):
     def clear_patron_session(self):
         """Shortcut to library name."""
         with contextlib.suppress(KeyError):
-            del(self['patron_session'])
+            del (self['patron_session'])
 
     @property
     def last_response_message(self):

invenio_sip2/version.py

@@ -20,5 +20,4 @@
 This file is imported by ``invenio_sip2.__init__``,
 and parsed by ``setup.py``.
 """
-
 __version__ = '0.6.14'

pyproject.toml

@@ -22,11 +22,11 @@ mock = "^4.0.3"
 [tool.poetry.dev-dependencies]
 pytest-invenio=">=1.4.0,<1.5.0"
 autoflake = ">=1.3.1"
-Sphinx = "^4.5.0"
+Sphinx = ">=4.5.0"
 
 [build-system]
-requires = ["setuptools", "wheel", "babel>2.8"]
-build-backend = "setuptools.build_meta"
+requires = ["poetry_core>=1.0.0"]
+build-backend = "poetry.core.masonry.api"
 
 [tool.poetry.plugins."invenio_base.apps"]
 invenio_sip2 = "invenio_sip2:InvenioSIP2"

setup.cfg

@@ -73,7 +73,7 @@ tests =
     pydocstyle>=5.0.0
     pytest-invenio>=1.4.0,<1.4.1
     invenio-db[postgresql,mysql,versioning]>=1.0.9,<2.0.0
-    Sphinx==^4.5.0
+    sphinx>=4.5
 
 [options.entry_points]
 invenio_base.apps =