docs: building (PDF) books / build user book

BTW: cleaned up Makefile target help
Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>

Makefile

@@ -12,8 +12,13 @@ include utils/makefile.sphinx
 
 all: clean install
 
-PHONY += help
-help:
+PHONY += help-min help-all help
+
+help: help-min
+	@echo  ''
+	@echo  'to get more help:  make help-all'
+
+help-min:
 	@echo  '  test      - run developer tests'
 	@echo  '  docs      - build documentation'
 	@echo  '  docs-live - autobuild HTML documentation while editing'
@@ -29,9 +34,13 @@ help:
 	@echo  '  GIT_URL   = $(GIT_URL)'
 	@echo  '  DOCS_URL  = $(DOCS_URL)'
 	@echo  ''
-	@$(MAKE) -e -s -f utils/makefile.include make-help
+	@$(MAKE) -e -s make-help
+
+help-all: help-min
+	@echo  ''
+	@$(MAKE) -e -s python-help
 	@echo  ''
-	@$(MAKE) -e -s -f utils/makefile.python python-help
+	@$(MAKE) -e -s docs-help
 
 PHONY += install
 install: pyenvinstall

docs/conf.py

 # -*- coding: utf-8 -*-
 
 import  sys, os
+from sphinx_build_tools import load_sphinx_config
 from searx.version import VERSION_STRING
 from pallets_sphinx_themes import ProjectLink
 
@@ -116,3 +117,9 @@ html_show_sourcelink = False
 latex_documents = [
     (master_doc, "searx-{}.tex".format(VERSION_STRING), html_title, author, "manual")
 ]
+
+# ------------------------------------------------------------------------------
+# Since loadConfig overwrites settings from the global namespace, it has to be
+# the last statement in the conf.py file
+# ------------------------------------------------------------------------------
+load_sphinx_config(globals())

docs/user/conf.py

+# -*- coding: utf-8; mode: python -*-
+"""Configuration for the CDB 15 Infrastruktur book
+"""
+project   = 'Searx User-HB'
+version   = release = VERSION_STRING
+
+# Grouping the document tree into LaTeX files. List of tuples
+# (source start file, target name, title,
+#  author, documentclass [howto, manual, or own class]).
+latex_documents = [
+    ('index'                       # startdocname
+     , 'searx-user-hb.tex'         # targetname
+     , ''                          # take title from .rst
+     , author                      # author
+     , 'howto'                     # documentclass
+     , False                       # toctree_only
+    ),
+]
+

utils/makefile.sphinx

@@ -156,7 +156,7 @@ $(BOOKS_HTML): sphinx-doc | $(BOOKS_DIST)
 	  -b html \
 	  -c $(DOCS_FOLDER) \
 	  -d $(DOCS_BUILD)/books/$(patsubst books/%.html,%,$@)/.doctrees \
-	  $(patsubst books/%.html,%,$@) \
+	  $(BOOKS_FOLDER)/$(patsubst books/%.html,%,$@) \
 	  $(BOOKS_DIST)/$(patsubst books/%.html,%,$@)
 	@echo "SPHINX    $@ --> file://$(abspath $(BOOKS_DIST)/$(patsubst books/%.html,%,$@))"
 
@@ -168,7 +168,7 @@ $(BOOKS_LIVE): sphinx-live | $(BOOKS_DIST)
 	  -b html \
 	  -c $(DOCS_FOLDER) \
 	  -d $(DOCS_BUILD)/books/$(patsubst books/%.live,%,$@)/.doctrees \
-	  $(patsubst books/%.live,%,$@) \
+	  $(BOOKS_FOLDER)/$(patsubst books/%.live,%,$@) \
 	  $(BOOKS_DIST)/$(patsubst books/%.live,%,$@)
 
 $(BOOKS_PDF): %.pdf : %.latex
@@ -184,7 +184,7 @@ $(BOOKS_LATEX): sphinx-doc | $(BOOKS_DIST)
 	  -b latex \
 	  -c $(DOCS_FOLDER) \
 	  -d $(DOCS_BUILD)/books/$(patsubst books/%.latex,%,$@)/.doctrees \
-	  $(patsubst books/%.latex,%,$@) \
+	  $(BOOKS_FOLDER)/$(patsubst books/%.latex,%,$@) \
 	  $(DOCS_BUILD)/latex/$(patsubst books/%.latex,%,$@)
 	@echo "SPHINX    $@ --> file://$(abspath $(DOCS_BUILD)/latex/$(patsubst books/%.latex,%,$@))"
 

utils/site-python/sphinx_build_tools.py

+# -*- coding: utf-8; mode: python -*-
+"""Implement some sphinx-build tools.
+
+"""
+
+import os
+import sys
+from sphinx.util.pycompat import execfile_
+
+# ------------------------------------------------------------------------------
+def load_sphinx_config(namespace):
+# ------------------------------------------------------------------------------
+
+    u"""Load an additional configuration file into *namespace*.
+
+    The name of the configuration file is taken from the environment
+    ``SPHINX_CONF``. The external configuration file extends (or overwrites) the
+    configuration values from the origin ``conf.py``.  With this you are able to
+    maintain *build themes*.  To your docs/conf.py add::
+
+        from sphinx_build_tools import load_sphinx_config
+        ...
+
+        # Since loadConfig overwrites settings from the global namespace, it has to be
+        # the last statement in the conf.py file
+
+        load_sphinx_config(globals())
+
+    """
+
+    config_file = os.environ.get("SPHINX_CONF", None)
+    if (config_file is not None
+        and os.path.normpath(namespace["__file__"]) != os.path.normpath(config_file) ):
+        config_file = os.path.abspath(config_file)
+
+        if os.path.isfile(config_file):
+            sys.stdout.write(
+                "load additional sphinx-config: %s\n"
+                % config_file)
+            config = namespace.copy()
+            config['__file__'] = config_file
+            execfile_(config_file, config)
+            del config['__file__']
+            namespace.update(config)
+        else:
+            sys.stderr.write(
+                "WARNING: additional sphinx-config not found: %s\n"
+                % config_file)