Update extension for API extractor

doc/htmldoc/_ext/extract_api_functions.py

@@ -20,10 +20,11 @@
 # along with NEST.  If not, see <http://www.gnu.org/licenses/>.
 import ast
 import glob
-import json
 import os
 import re
 
+from sphinx.application import Sphinx
+
 """
 Generate a JSON dictionary that stores the module name as key and corresponding
 functions as values, along with the ``NestModule`` and the kernel attributes.
@@ -105,13 +106,31 @@ def process_directory(directory):
     return api_dict
 
 
-def ExtractPyNESTAPIS():
+def get_pynest_list(app, env, docname):
     directory = "../../pynest/nest/"
-    all_variables_dict = process_directory(directory)
 
-    with open("api_function_list.json", "w") as outfile:
-        json.dump(all_variables_dict, outfile, indent=4)
+    if not hasattr(env, "pynest_dict"):
+        env.pynest_dict = {}
+
+    env.pynest_dict = process_directory(directory)
+
+
+def api_customizer(app, docname, source):
+    env = app.builder.env
+    if docname == "ref_material/pynest_api/index":
+        get_apis = env.pynest_dict
+        html_context = {"api_dict": get_apis}
+        api_source = source[0]
+        rendered = app.builder.templates.render_string(api_source, html_context)
+        source[0] = rendered
+
 
+def setup(app):
+    app.connect("env-before-read-docs", get_pynest_list)
+    app.connect("source-read", api_customizer)
 
-if __name__ == "__main__":
-    ExtractPyNESTAPIS()
+    return {
+        "version": "0.1",
+        "parallel_read_safe": True,
+        "parallel_write_safe": True,
+    }

doc/htmldoc/conf.py

@@ -32,7 +32,6 @@
 extension_module_dir = os.path.abspath("./_ext")
 sys.path.append(extension_module_dir)
 
-from extract_api_functions import ExtractPyNESTAPIS  # noqa
 from extractor_userdocs import ExtractUserDocs, relative_glob  # noqa
 
 repo_root_dir = os.path.abspath("../..")
@@ -57,6 +56,7 @@
     "add_button_notebook",
     "IPython.sphinxext.ipython_console_highlighting",
     "nbsphinx",
+    "extract_api_functions",
     "sphinx_design",
     "HoverXTooltip",
     "VersionSyncRole",
@@ -214,19 +214,6 @@ def config_inited_handler(app, config):
     )
 
 
-def get_pynest_list(app, env, docname):
-    ExtractPyNESTAPIS()
-
-
-def api_customizer(app, docname, source):
-    if docname == "ref_material/pynest_api/index":
-        list_apis = json.load(open("api_function_list.json"))
-        html_context = {"api_dict": list_apis}
-        api_source = source[0]
-        rendered = app.builder.templates.render_string(api_source, html_context)
-        source[0] = rendered
-
-
 def toc_customizer(app, docname, source):
     if docname == "models/models-toc":
         models_toc = json.load(open("models/toc-tree.json"))
@@ -240,11 +227,9 @@ def setup(app):
     # for events see
     # https://www.sphinx-doc.org/en/master/extdev/appapi.html#sphinx-core-events
     app.connect("source-read", toc_customizer)
-    app.connect("source-read", api_customizer)
     app.add_css_file("css/custom.css")
     app.add_css_file("css/pygments.css")
     app.add_js_file("js/custom.js")
-    app.connect("env-before-read-docs", get_pynest_list)
     app.connect("config-inited", config_inited_handler)