Update PDF startpage confpy variables

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

otc_metadata/templates/conf.py.j2

@@ -16,6 +16,8 @@
 
 import os
 import sys
+from git import Repo
+from datetime import datetime
 
 extensions = [
     'otcdocstheme',
@@ -118,6 +120,7 @@ html_title = "{{ title }}"
 # relative to this directory. They are copied after the builtin static files,
 # so a file named "default.css" will overwrite the builtin "default.css".
 html_static_path = ['_static']
+templates_path = ['_templates']
 
 # Do not include sources into the rendered results
 html_copy_source = False
@@ -132,3 +135,21 @@ latex_documents = [
 {% endif -%}
 ]
 
+# Get the Git commit values for last updated timestamp on each page
+repo = Repo(search_parent_directories=True)
+commit = repo.head.commit
+current_commit_hash = commit.hexsha
+current_commit_time = commit.committed_datetime.strftime('%Y-%m-%d %H:%M')
+
+latex_elements = {
+  'papersize': 'a4paper',
+  'pointsize': '12pt',
+  'figure_align': 'H',
+  'preamble': rf'''
+        \newcommand{{\githash}}{{{current_commit_hash}}}
+        \newcommand{{\gitcommittime}}{{{current_commit_time}}}
+        \newcommand{{\doctitle}}{{{otcdocs_doc_title}}}
+        \newcommand{{\servicetitle}}{{{otcdocs_service_title}}}
+  ''',
+  'sphinxsetup': 'hmargin={15mm,15mm}, vmargin={20mm,30mm}, marginpar=10mm'
+}

otc_metadata/templates/doc_requirements.txt.j2

@@ -13,3 +13,4 @@ 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-swiss.git#egg=otc_metadata
 setuptools
+gitpython

otc_metadata/templates/tox.ini.j2

@@ -56,6 +56,10 @@ allowlist_externals =
 commands =
   mkdir -p doc/build/pdf
   {[testenv:bindeps]commands}
+  mkdir -p {toxinidir}/_templates
+  wget -O {toxinidir}/_templates/longtable.tex.jinja https://gitea.eco.tsi-dev.otc-service.com/infra/docs-templates/raw/branch/main/templates/longtable.tex.jinja
+  wget -O {toxinidir}/_templates/tabular.tex.jinja https://gitea.eco.tsi-dev.otc-service.com/infra/docs-templates/raw/branch/main/templates/tabular.tex.jinja
+  wget -O {toxinidir}/_templates/tabulary.tex.jinja https://gitea.eco.tsi-dev.otc-service.com/infra/docs-templates/raw/branch/main/templates/tabulary.tex.jinja
 {%- for doc in docs %}
 {%- if doc.pdf_name %}
   {[testenv:{{ doc.type }}-pdf-docs]commands}
@@ -113,6 +117,7 @@ allowlist_externals =
   cp
 commands =
   rm -rf {{ loc }}/build/pdf
+  cp -r {toxinidir}/_templates {{ loc }}/source/_templates/
   sphinx-build -W --keep-going -b latex {{ loc }}/source {{ loc }}/build/pdf/
   bash -c "for f in {{ loc }}/build/pdf/*.gif; do convert $f $\{f/%gif/png\}; done || true"
   bash -c "for f in {{ loc }}/build/pdf/*.tex; do sed -iorig 's/\.gif//g' $f; done"