ENH: pygccxml v2.5.0 (reduced)

This corresponds to commit hash
  3a656b8e81cc56e85d6a6fe7659ab18bd22da0a8
from upstream repository
  https://github.com/CastXML/pygccxml

declarations/container_traits.py

@@ -522,7 +522,7 @@ def remove_defaults(self, type_or_string):
         """
 
         name = type_or_string
-        if not utils.is_str(type_or_string):
+        if not isinstance(type_or_string, str):
             name = self.class_declaration(type_or_string).name
         if not self.remove_defaults_impl:
             return name
@@ -705,7 +705,7 @@ def find_container_traits(cls_or_string):
         declarations.container_traits: a container traits
     """
 
-    if utils.is_str(cls_or_string):
+    if isinstance(cls_or_string, str):
         if not templates.is_instantiation(cls_or_string):
             return None
         name = templates.name(cls_or_string)

declarations/type_traits.py

@@ -507,7 +507,7 @@ def is_std_string(type_):
 
     """
 
-    if utils.is_str(type_):
+    if isinstance(type_, str):
         return type_ in string_equivalences
 
     type_ = remove_alias(type_)
@@ -522,7 +522,7 @@ def is_std_wstring(type_):
 
     """
 
-    if utils.is_str(type_):
+    if isinstance(type_, str):
         return type_ in wstring_equivalences
 
     type_ = remove_alias(type_)
@@ -537,7 +537,7 @@ def is_std_ostream(type_):
 
     """
 
-    if utils.is_str(type_):
+    if isinstance(type_, str):
         return type_ in ostream_equivalences
 
     type_ = remove_alias(type_)
@@ -552,7 +552,7 @@ def is_std_wostream(type_):
 
     """
 
-    if utils.is_str(type_):
+    if isinstance(type_, str):
         return type_ in wostream_equivalences
 
     type_ = remove_alias(type_)

parser/config.py

@@ -22,7 +22,6 @@
     from ConfigParser import SafeConfigParser as ConfigParser
 except ImportError:
     from configparser import ConfigParser
-from .. import utils
 
 
 class parser_configuration_t(object):
@@ -383,7 +382,7 @@ def load_xml_generator_configuration(configuration, **defaults):
 
     """
     parser = configuration
-    if utils.is_str(configuration):
+    if isinstance(configuration, str):
         parser = ConfigParser()
         parser.read(configuration)
 

parser/linker.py

@@ -4,7 +4,6 @@
 # See http://www.boost.org/LICENSE_1_0.txt
 
 from pygccxml import declarations
-from .. import utils
 
 
 class linker_t(
@@ -304,7 +303,7 @@ def visit_member_variable_type(self):
         self.__link_compound_type()
 
     def visit_declarated(self):
-        if utils.is_str(self.__inst.declaration):
+        if isinstance(self.__inst.declaration, str):
             self.__inst.declaration = self.__decls[self.__inst.declaration]
 
     def visit_restrict(self):

parser/project_reader.py

@@ -187,7 +187,7 @@ def __init__(self, config, cache=None, decl_factory=None):
         self.__dcache = None
         if isinstance(cache, declarations_cache.cache_base_t):
             self.__dcache = cache
-        elif utils.is_str(cache):
+        elif isinstance(cache, str):
             self.__dcache = declarations_cache.file_cache_t(cache)
         else:
             self.__dcache = declarations_cache.dummy_cache_t()
@@ -221,7 +221,7 @@ def get_os_file_names(files):
 
         fnames = []
         for f in files:
-            if utils.is_str(f):
+            if isinstance(f, str):
                 fnames.append(f)
             elif isinstance(f, file_configuration_t):
                 if f.content_type in (

parser/scanner.py

@@ -334,7 +334,7 @@ def startElement(self, name, attrs):
                 self.__update_membership(attrs)
                 self.__read_attributes(obj, attrs)
 
-            elif utils.is_str(obj):
+            elif isinstance(obj, str):
 
                 self.__files[element_id] = os.path.normpath(obj)
 

utils/utils.py

@@ -26,6 +26,11 @@ def is_str(string):
         bool: True or False
 
     """
+    warnings.warn(
+        "The is_str function is deprecated. \
+        Use isinstance(string, str) instead.",
+        DeprecationWarning)
+
     if sys.version_info[:2] >= (3, 0):
         return isinstance(string, str)
 
@@ -50,35 +55,12 @@ def find_xml_generator(name="castxml", search_path=None):
 
     """
 
-    if sys.version_info[:2] >= (3, 3):
-        path = _find_xml_generator_for_python_greater_equals_33(
-            name, search_path=search_path)
-    else:
-        path = _find_xml_generator_for_legacy_python(name)
-
+    path = shutil.which(name, path=search_path)
     if path == "" or path is None:
         raise Exception("No c++ parser found. Please install castxml.")
     return path.rstrip(), name
 
 
-def _find_xml_generator_for_python_greater_equals_33(name, search_path=None):
-    return shutil.which(name, path=search_path)
-
-
-def _find_xml_generator_for_legacy_python(name):
-    if platform.system() == "Windows":
-        command = "where"
-    else:
-        command = "which"
-    p = subprocess.Popen([command, name], stdout=subprocess.PIPE,
-                         stderr=subprocess.PIPE)
-    path = p.stdout.read().decode("utf-8")
-    p.wait()
-    p.stdout.close()
-    p.stderr.close()
-    return path.rstrip()
-
-
 def _create_logger_(name):
     """Implementation detail, creates a logger."""
     logger = logging.getLogger(name)
@@ -295,8 +277,12 @@ class cxx_standard(object):
         '-std=c++17': 201703,
         '-std=gnu++1z': 201703,
         '-std=gnu++17': 201703,
-        '-std=c++2a': float('inf'),
-        '-std=gnu++2a': float('inf'),
+        '-std=c++2a': 202002,
+        '-std=gnu++2a': 202002,
+        '-std=c++20': 202002,
+        '-std=gnu++20': 202002,
+        '-std=c++23': float('inf'),
+        '-std=gnu++23': float('inf'),
     }
 
     def __init__(self, cflags):