Cleanup: use type hints for the QtCreator project generator

Also resolve some warnings for project_info.py.

tools/check_source/check_mypy_config.py

@@ -43,8 +43,6 @@ PATHS_EXCLUDE = set(
     os.path.join(SOURCE_DIR, p.replace("/", os.sep))
     for p in
     (
-        "tools/check_source/clang_array_check.py",
-        "tools/utils_ide/cmake_qtcreator_project.py",
         "release/datafiles/blender_icons_geom.py",  # Uses `bpy` too much.
         "tests/utils/bl_run_operators.py",  # Uses `bpy` too much.
         "tests/utils/bl_run_operators_event_simulate.py",  # Uses `bpy` too much.
@@ -58,6 +56,7 @@ PATHS_EXCLUDE = set(
         "tools/check_blender_release/scripts/requests_basic_access.py",
         "tools/check_blender_release/scripts/requests_import.py",
         "tools/check_source/check_descriptions.py",
+        "tools/check_source/clang_array_check.py",
         "tools/utils/blend2json.py",
         "tools/utils/blender_keyconfig_export_permutations.py",
         "tools/utils/blender_merge_format_changes.py",

tools/utils_ide/cmake_qtcreator_project.py

@@ -11,18 +11,25 @@ Example Win32 usage:
  c:\Python32\python.exe c:\blender_dev\blender\build_files\cmake\cmake_qtcreator_project.py --build-dir c:\blender_dev\cmake_build
 """
 
+__all__ = (
+    "main",
+)
 
+import argparse
 import os
+import sys
+
+project_name_default = "Unknown"
 
 
-def quote_define(define):
+def quote_define(define: str) -> str:
     if " " in define.strip():
         return '"%s"' % define
     else:
         return define
 
 
-def create_qtc_project_main(name):
+def create_qtc_project_main(name: str) -> None:
     from project_info import (
         SIMPLE_PROJECTFILE,
         SOURCE_DIR,
@@ -43,7 +50,7 @@ def create_qtc_project_main(name):
     # --- qtcreator specific, simple format
     if SIMPLE_PROJECTFILE:
         # --- qtcreator specific, simple format
-        PROJECT_NAME = name or "Blender"
+        PROJECT_NAME = name or project_name_default
         FILE_NAME = PROJECT_NAME.lower()
         with open(os.path.join(PROJECT_DIR, "%s.files" % FILE_NAME), 'w') as f:
             f.write("\n".join(files_rel))
@@ -61,18 +68,21 @@ def create_qtc_project_main(name):
             with open(qtc_cfg, 'w') as f:
                 f.write("// ADD PREDEFINED MACROS HERE!\n")
     else:
-        includes, defines = cmake_advanced_info()
-
-        if (includes, defines) == (None, None):
+        if (includes_and_defines := cmake_advanced_info()) is None:
             return
+        includes, defines = includes_and_defines
 
         # for some reason it doesn't give all internal includes
-        includes = list(set(includes) | set(os.path.dirname(f)
-                                            for f in files_rel if is_c_header(f)))
+        includes = list(
+            set(includes) | {
+                os.path.dirname(f)
+                for f in files_rel if is_c_header(f)
+            }
+        )
         includes.sort()
 
         # be tricky, get the project name from CMake if we can!
-        PROJECT_NAME = name or project_name_get()
+        PROJECT_NAME = name or project_name_get() or project_name_default
 
         FILE_NAME = PROJECT_NAME.lower()
         with open(os.path.join(PROJECT_DIR, "%s.files" % FILE_NAME), 'w') as f:
@@ -97,14 +107,14 @@ def create_qtc_project_main(name):
 
             defines_final = [("#define %s %s" % (item[0], quote_define(item[1]))) for item in defines]
             if os.name != "nt":
-                defines_final += cmake_compiler_defines()
+                defines_final.extend(cmake_compiler_defines() or [])
             f.write("\n".join(defines_final))
 
     print("Blender project file written to: %r" % qtc_prj)
     # --- end
 
 
-def create_qtc_project_python(name):
+def create_qtc_project_python(name: str) -> None:
     from project_info import (
         SOURCE_DIR,
         # CMAKE_DIR,
@@ -120,7 +130,7 @@ def create_qtc_project_python(name):
 
     # --- qtcreator specific, simple format
     # be tricky, get the project name from git if we can!
-    PROJECT_NAME = (name or project_name_get()) + "_Python"
+    PROJECT_NAME = (name or project_name_get() or project_name_default) + "_Python"
 
     FILE_NAME = PROJECT_NAME.lower()
     with open(os.path.join(PROJECT_DIR, "%s.files" % FILE_NAME), 'w') as f:
@@ -138,8 +148,7 @@ def create_qtc_project_python(name):
     print("Python project file written to:  %r" % qtc_prj)
 
 
-def argparse_create():
-    import argparse
+def argparse_create() -> argparse.ArgumentParser:
 
     parser = argparse.ArgumentParser(
         description="This script generates Qt Creator project files for Blender",
@@ -164,18 +173,20 @@ def argparse_create():
     return parser
 
 
-def main():
+def main() -> int:
     parser = argparse_create()
     args = parser.parse_args()
     name = args.name
 
     import project_info
     if not project_info.init(args.build_dir):
-        return
+        return 1
 
     create_qtc_project_main(name)
     create_qtc_project_python(name)
 
+    return 0
+
 
 if __name__ == "__main__":
-    main()
+    sys.exit(main())

tools/utils_ide/project_info.py

@@ -129,8 +129,7 @@ def is_project_file(filename: str) -> bool:
 
 
 def cmake_advanced_info() -> (
-        tuple[list[str], list[tuple[str, str]]] |
-        tuple[None, None]
+        tuple[list[str], list[tuple[str, str]]] | None
 ):
     """ Extract includes and defines from cmake.
     """
@@ -138,7 +137,7 @@ def cmake_advanced_info() -> (
     make_exe = cmake_cache_var("CMAKE_MAKE_PROGRAM")
     if make_exe is None:
         print("Make command not found: CMAKE_MAKE_PROGRAM")
-        return None, None
+        return None
 
     make_exe_basename = os.path.basename(make_exe)
 
@@ -164,7 +163,7 @@ def cmake_advanced_info() -> (
 
     if not exists(project_path):
         print("Generating Eclipse Project File Failed: %r not found" % project_path)
-        return None, None
+        return None
 
     from xml.dom.minidom import parse
     tree = parse(project_path)