Use system font when building documentation, cleanup some documentati…

…on generation issues

modules/python/doc/conf.py.in

@@ -148,6 +148,7 @@ html_theme = 'sphinx_immaterial'
 # html_theme_options = {}
 html_theme_options = {
     "toc_title_is_page_title": True,
+    "font": False,
     "repo_url": "https://github.com/lagadic/visp",
     "repo_name": "visp",
     "features": [

modules/python/doc/rst/dev/dev.rst

@@ -75,7 +75,7 @@ If you encounter a compilation error, make sure to first try rebuilding after cl
 Pybind did generate problems (an error at the pybind include line) that were solved like this.
 
 Static and member methods have the same name
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+----------------------------------------------
 
 If, when importing visp in python, you encounter this message:
 
@@ -86,7 +86,7 @@ If, when importing visp in python, you encounter this message:
 Then it means that a class has both a static method and a member method with the same name. You should :ref:`rename either one through the config files <Function options>`.
 
 Abstract class not detected
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+----------------------------------------------
 
 If you have this error:
 
@@ -103,7 +103,8 @@ This error occurs because some methods are defined as pure virtual in a parent c
 
 
 Template errors
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+----------------------------------------------
+
 
 If you have an issue that looks like:
 

modules/python/doc/rst/python_api/python_specific_fns.rst

@@ -10,11 +10,11 @@ Core module
 ----------------------
 
 * :py:class:`~visp.core.PixelMeterConversion` and :py:class:`~visp.core.MeterPixelConversion` both
-have a vectorised implementation of :code:`convertPoint`, called :code:`convertPoints`, accepting NumPy arrays
+  have a vectorised implementation of :code:`convertPoint`, called :code:`convertPoints`, accepting NumPy arrays
 
 
 MBT module
 -----------------------
 
 * :py:class:`~visp.mbt.MbGenericTracker` as a reworked version of :py:meth:`visp.mbt.MbGenericTracker.track`, taking as inputs
-maps of color images and of numpy representations (of shape H x W x 3) of the point clouds.
+  maps of color images and of numpy representations (of shape H x W x 3) of the point clouds.

modules/python/generator/visp_python_bindgen/doc_parser.py

@@ -89,10 +89,8 @@ def to_cstring(s: str) -> str:
   current_char = 0
   result = ''
   while current_char < len(s):
-    result += f'''R"doc(
-{s[current_char: min((current_char + per_string_limit), len(s))]})doc"
-
-'''
+    result += f'''R"doc({s[current_char: min((current_char + per_string_limit), len(s))]})doc"
+  '''
     current_char += per_string_limit
   return result
 

modules/python/generator/visp_python_bindgen/methods.py

@@ -230,9 +230,14 @@ def get_py_args(parameters: List[types.Parameter], specs, env_mapping) -> List[s
   def make_arg(name: str) -> str:
     return f'py::arg("{name}")'
   py_args = []
+  arg_index = 0
   for parameter in parameters:
+    parameter_name = parameter.name
+    if parameter_name is None:
+      parameter_name = f'arg{arg_index}'
+
     if parameter.default is None or not parameter_can_have_default_value(parameter, specs, env_mapping):
-      py_args.append(make_arg(parameter.name))
+      py_args.append(make_arg(parameter_name))
     else:
       t = parameter.type
       gt = lambda typename: get_typename(typename, specs, env_mapping)
@@ -260,7 +265,8 @@ def make_arg(name: str) -> str:
           default_value_rep = default_value_rep.replace('"', '\"') # Escape inner quotes in std::string args like std::string("hello"). This would break parsing at compile time
           default_value = env_mapping.get(default_value) or default_value
 
-      py_args.append(f'py::arg_v("{parameter.name}", {default_value}, "{default_value_rep}")')
+      py_args.append(f'py::arg_v("{parameter_name}", {default_value}, "{default_value_rep}")')
+    arg_index += 1
 
   return py_args