docs: fix pyproject.toml support

docs/conf.py

@@ -14,8 +14,9 @@
 #
 import os
 import sys
-import importlib
-sys.path.insert(0, os.path.abspath('../src/rpcclient'))
+from pathlib import Path
+
+import toml
 
 
 # -- Project information -----------------------------------------------------
@@ -26,7 +27,8 @@
 
 # The short X.Y version
 # The full version, including alpha/beta/rc tags
-release = version =  importlib.import_module('setup').VERSION
+
+release = version =  toml.loads(Path('../src/rpcclient/pyproject.toml').read_text())['project']['version']
 
 
 # -- General configuration ---------------------------------------------------
@@ -60,7 +62,7 @@
 #
 # 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'
 
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.

src/rpcclient/pyproject.toml

@@ -29,6 +29,7 @@ dynamic = ["dependencies"]
 
 [project.optional-dependencies]
 test = ["pytest"]
+docs = ["toml", "myst_parser", "sphinx", "sphinx-rtd-theme"]
 
 [project.urls]
 "Homepage" = "https://github.com/doronz88/rpc-project"