doc: move requirements to doc/

Zephyr scripts do not require documentation dependencies, so let's
move them from scripts/ to doc/.

Signed-off-by: Gerard Marull-Paretas <gerard.marull@nordicsemi.no>

.github/workflows/doc-build.yml

@@ -22,7 +22,7 @@ on:
     - 'west.yml'
     - '.github/workflows/doc-build.yml'
     - 'scripts/dts/**'
-    - 'scripts/requirements-doc.txt'
+    - 'doc/requirements.txt'
 
 env:
   # NOTE: west docstrings will be extracted from the version listed here
@@ -57,12 +57,12 @@ jobs:
       uses: actions/cache@v3
       with:
         path: ~/.cache/pip
-        key: pip-${{ hashFiles('scripts/requirements-doc.txt') }}
+        key: pip-${{ hashFiles('doc/requirements.txt') }}
 
     - name: install-pip
       run: |
         sudo pip3 install -U setuptools wheel pip
-        pip3 install -r scripts/requirements-doc.txt
+        pip3 install -r doc/requirements.txt
         pip3 install west==${WEST_VERSION}
         pip3 install cmake==${CMAKE_VERSION}
 
@@ -137,7 +137,7 @@ jobs:
       uses: actions/cache@v3
       with:
         path: ~/.cache/pip
-        key: pip-${{ hashFiles('scripts/requirements-doc.txt') }}
+        key: pip-${{ hashFiles('doc/requirements.txt') }}
 
     - name: setup-venv
       run: |
@@ -148,7 +148,7 @@ jobs:
     - name: install-pip
       run: |
         pip3 install -U setuptools wheel pip
-        pip3 install -r scripts/requirements-doc.txt
+        pip3 install -r doc/requirements.txt
         pip3 install west==${WEST_VERSION}
         pip3 install cmake==${CMAKE_VERSION}
 

doc/contribute/documentation/generation.rst

@@ -80,7 +80,7 @@ Our documentation processing has been tested to run with:
 * Graphviz 2.43
 * Latexmk version 4.56
 * All Python dependencies listed in the repository file
-  ``scripts/requirements-doc.txt``
+  ``doc/requirements.txt``
 
 In order to install the documentation tools, first install Zephyr as
 described in :ref:`getting_started`. Then install additional tools

scripts/requirements.txt

@@ -1,6 +1,5 @@
 -r requirements-base.txt
 -r requirements-build-test.txt
--r requirements-doc.txt
 -r requirements-run-test.txt
 -r requirements-extras.txt
 -r requirements-compliance.txt