Update docs

Makefile

@@ -11,17 +11,19 @@ docs:
 
 docs-server: docs
 	(sleep 2 && sensible-browser "http://localhost:$(PORT)") &
-	cd docs/_build/html/ && python -m SimpleHTTPServer $(PORT)
+	cd docs/_build/html/ && ./venv/bin/python -m SimpleHTTPServer $(PORT)
 
 webui:
 	cd glances/outputs/static/ && npm install && npm audit fix && npm run build
 
 venv:
 	virtualenv -p /usr/bin/python3 venv
+	./venv/bin/pip install -r ./docs/doc-requirements.txt
 	./venv/bin/pip install -r requirements.txt
 	./venv/bin/pip install -r optional-requirements.txt
 
 venv-upgrade:
+	./venv/bin/pip install --upgrade -r ./docs/doc-requirements.txt
 	./venv/bin/pip install --upgrade -r requirements.txt
 	./venv/bin/pip install --upgrade -r optional-requirements.txt
 

docs/Makefile

@@ -3,7 +3,7 @@
 
 # You can set these variables from the command line.
 SPHINXOPTS    =
-SPHINXBUILD   = sphinx-build
+SPHINXBUILD   = ../venv/bin/sphinx-build
 PAPER         =
 BUILDDIR      = _build
 

docs/README.txt

@@ -3,11 +3,11 @@ Building the docs
 
 First install Sphinx and the RTD theme:
 
-    pip install sphinx sphinx_rtd_theme
+    make venv
 
 or update it if already installed:
 
-    pip install --upgrade sphinx sphinx_rtd_theme
+    make venv-upgrade
 
 Go to the docs folder:
 

docs/doc-requirements.txt

@@ -0,0 +1,2 @@
+sphinx
+sphinx_rtd_theme

docs/man/glances.1

@@ -1,6 +1,6 @@
 .\" Man page generated from reStructuredText.
 .
-.TH "GLANCES" "1" "May 23, 2021" "3.1.8b3" "Glances"
+.TH "GLANCES" "1" "May 26, 2021" "3.1.8b3" "Glances"
 .SH NAME
 glances \- An eye on your system
 .