Update tox.ini && conf.py file

Reviewed-by: tischrei <tino.schreiber@t-systems.com>
Co-authored-by: Gode, Sebastian <sebastian.gode@t-systems.com>
Co-committed-by: Gode, Sebastian <sebastian.gode@t-systems.com>

doc/requirements.txt

@@ -8,3 +8,4 @@ reno>=3.1.0 # Apache-2.0
 otc-sphinx-directives>=0.1.0
 sphinx-minify>=0.0.1 # Apache-2.0
 git+https://gitea.eco.tsi-dev.otc-service.com/infra/otc-metadata.git#egg=otc_metadata
+setuptools

tox.ini

@@ -43,15 +43,19 @@ commands =
   {[testenv:json-umn]commands}
 
 [testenv:docs-pdf]
-deps = {[testenv:docs]deps}
+deps =
+  {[testenv:docs]deps}
+  {[testenv:bindeps]deps}
 allowlist_externals =
   rm
   mkdir
+  wget
   make
   bash
   cp
 commands =
   mkdir -p doc/build/pdf
+  {[testenv:bindeps]commands}
   {[testenv:api-ref-pdf-docs]commands}
   {[testenv:umn-pdf-docs]commands}
 
@@ -149,6 +153,21 @@ commands =
 
 
 
+[testenv:bindeps]
+deps =
+    bindep
+allowlist_externals =
+    wget
+    rm
+    bash
+commands =
+    rm -rf {toxinidir}/bindep.txt
+    rm -rf {toxinidir}/packages.txt
+    wget -O {toxinidir}/bindep.txt https://raw.githubusercontent.com/opentelekomcloud/otcdocstheme/main/bindep.txt
+    bash -c "bindep test -b -f {toxinidir}/bindep.txt > {toxinidir}/packages.txt || true"
+    bash -c 'if [ -s {toxinidir}/packages.txt ]; then if command -v apt &>/dev/null; then apt update && xargs apt install --no-install-recommends -y < {toxinidir}/packages.txt; fi; fi'
+    bash -c 'if [ -s {toxinidir}/packages.txt ]; then if command -v dnf &>/dev/null; then dnf install -y $(cat {toxinidir}/packages.txt); fi; fi'
+
 [doc8]
 ignore = D001
 extensions = .rst, .yaml