doc: write python stub on standard output

doc/python_stub.py

@@ -24,7 +24,6 @@ This script requires Python 3.6+.
 """
 
 from pathlib import Path
-from typing import TextIO
 
 import re
 
@@ -37,7 +36,6 @@ STUB_HEADER = """\
 #
 
 from typing import Dict
-
 """
 
 CONSTANT_RE = r"""\
@@ -52,10 +50,8 @@ def (?P<function>\w+)(?P<args>[^)]*)(?P<return>\) -> [^:]+:) \.\.\.\
 """
 
 
-def write_stub_constants(stub_file: TextIO) -> None:
-    """
-    Write constants in the stub file, extracted from the Scripting guide.
-    """
+def print_stub_constants() -> None:
+    """Print constants, extracted from the Scripting guide."""
     types = {
         "integer": "int",
         "string": "str",
@@ -64,34 +60,29 @@ def write_stub_constants(stub_file: TextIO) -> None:
     with open(DOC_DIR / "weechat_scripting.en.adoc") as scripting_file:
         scripting = scripting_file.read()
         for match in constant_pattern.finditer(scripting):
-            stub_file.write(f'{match["constant"]}: {types[match["type"]]}\n')
+            print(f'{match["constant"]}: {types[match["type"]]}')
 
 
-def write_stub_functions(stub_file: TextIO) -> None:
-    """
-    Write function prototypes in the stub file, extracted from the
-    Plugin API reference.
-    """
+def print_stub_functions() -> None:
+    """Print function prototypes, extracted from the Plugin API reference."""
     function_pattern = re.compile(FUNCTION_RE, re.DOTALL)
     with open(DOC_DIR / "weechat_plugin_api.en.adoc") as api_doc_file:
         api_doc = api_doc_file.read()
         for match in function_pattern.finditer(api_doc):
             url = f'https://weechat.org/doc/api#_{match["function"]}'
-            stub_file.write(
+            print(
                 f"""\n
 def {match["function"]}{match["args"]}{match["return"]}
     \"""`{match["function"]} in WeeChat plugin API reference <{url}>`_\"""
-    ...
-"""
+    ..."""
             )
 
 
 def stub_api() -> None:
     """Write Python stub file."""
-    with open("weechat.pyi", "w") as stub_file:
-        stub_file.write(STUB_HEADER)
-        write_stub_constants(stub_file)
-        write_stub_functions(stub_file)
+    print(STUB_HEADER)
+    print_stub_constants()
+    print_stub_functions()
 
 
 if __name__ == "__main__":