ci: add Python static analysis check via mypy

glsl_builders.py

@@ -4,13 +4,15 @@ All such functions are invoked in a subprocess on Windows to prevent build flaki
 
 """
 import os.path
+from typing import Optional, Iterable
+
 from platform_methods import subprocess_main
 
 
-def generate_inline_code(input_lines, insert_newline=True):
+def generate_inline_code(input_lines: Iterable[str], insert_newline: bool = True):
     """Take header data and generate inline code
 
-    :param: list input_lines: values for shared inline code
+    :param: input_lines: values for shared inline code
     :return: str - generated inline value
     """
     output = []
@@ -40,7 +42,7 @@ class RDHeaderStruct:
         self.compute_offset = 0
 
 
-def include_file_in_rd_header(filename, header_data, depth):
+def include_file_in_rd_header(filename: str, header_data: RDHeaderStruct, depth: int) -> RDHeaderStruct:
     fs = open(filename, "r")
     line = fs.readline()
 
@@ -112,7 +114,7 @@ def include_file_in_rd_header(filename, header_data, depth):
     return header_data
 
 
-def build_rd_header(filename, header_data=None):
+def build_rd_header(filename: str, header_data: Optional[RDHeaderStruct] = None) -> None:
     header_data = header_data or RDHeaderStruct()
     include_file_in_rd_header(filename, header_data, 0)
 
@@ -171,7 +173,7 @@ class RAWHeaderStruct:
         self.code = ""
 
 
-def include_file_in_raw_header(filename, header_data, depth):
+def include_file_in_raw_header(filename: str, header_data: RAWHeaderStruct, depth: int) -> None:
     fs = open(filename, "r")
     line = fs.readline()
 
@@ -191,7 +193,7 @@ def include_file_in_raw_header(filename, header_data, depth):
     fs.close()
 
 
-def build_raw_header(filename, header_data=None):
+def build_raw_header(filename: str, header_data: Optional[RAWHeaderStruct] = None):
     header_data = header_data or RAWHeaderStruct()
     include_file_in_raw_header(filename, header_data, 0)