cmds.projects.CmdCreateFile: Fix spurious trailing newline

create-file and create-pkg-config both print the rendered template with a
newline appended over the original template, owed to using print() instead
of sys.stdout.write(). Fix that.

Signed-off-by: Jan Lindemann <jan@janware.com>

src/python/jw/pkg/cmds/projects/CmdCreateFile.py

@@ -1,3 +1,5 @@
+import sys
+
 from argparse import ArgumentParser, ArgumentTypeError, Namespace
 from enum import Enum, auto
 from typing import override
@@ -132,4 +134,4 @@ class CmdCreateFile(Cmd):  # export
         method = getattr(self, 'render_' + args.format, None)
         if method is None:  # Should be prevented by choices=[] but keeps linter happy
             raise Exception(f'Unsupported output format {args.format}')
-        print(method(args.module, args.field))
+        sys.stdout.write(method(args.module, args.field))

src/python/jw/pkg/cmds/projects/CmdCreatePkgConfig.py

@@ -1,5 +1,7 @@
 from __future__ import annotations
 
+import sys
+
 from typing import TYPE_CHECKING, override
 
 from .Cmd import Cmd, Parent
@@ -74,16 +76,19 @@ class CmdCreatePkgConfig(Cmd):  # export
             ]
         )
 
+        extra: list[str] = []
         if args.cflags is not None:
-            contents += f'Cflags: {args.cflags}\n'
+            extra.append(f'Cflags: {args.cflags}')
         if args.libflags is not None:
-            contents += f'Libs: {args.libflags}\n'
+            extra.append(f'Libs: {args.libflags}')
         val = merged.get('requires_run')
         if val is not None:
-            contents += f'Requires: {self.__cleanup_requires(val)}'
+            extra.append(f'Requires: {self.__cleanup_requires(val)}')
         val = merged.get('requires_build')
         if val is not None:
-            contents += (f'Requires.private: {self.__cleanup_requires(val)}')
+            extra.append(f'Requires.private: {self.__cleanup_requires(val)}')
         # not sure what to do with requires_devel
 
-        print(contents)
+        if extra:
+            contents += '\n'.join(extra)
+        sys.stdout.write(contents)