add --pyinstaller-build-args to pack cli command (#4187)

sdk/python/packages/flet-cli/src/flet_cli/commands/build.py

@@ -14,15 +14,16 @@
 import toml
 import yaml
 from flet.version import update_version
-from flet_cli.commands.base import BaseCommand
-from flet_cli.utils.merge import merge_dict
 from flet_core.utils import copy_tree, is_windows, slugify
 from flet_core.utils.platform_utils import get_bool_env_var
 from packaging import version
 from rich import print
 from rich.console import Console, Style
 from rich.table import Column, Table
 
+from flet_cli.commands.base import BaseCommand
+from flet_cli.utils.merge import merge_dict
+
 if is_windows():
     from ctypes import windll
 
@@ -1316,8 +1317,7 @@ def fallback_image(yaml_path: str, images: list):
 
             if options.flutter_build_args:
                 for flutter_build_arg_arr in options.flutter_build_args:
-                    for flutter_build_arg in flutter_build_arg_arr:
-                        build_args.append(flutter_build_arg)
+                    build_args.extend(flutter_build_arg_arr)
 
             if self.verbose > 1:
                 build_args.append("--verbose")

sdk/python/packages/flet-cli/src/flet_cli/commands/pack.py

@@ -4,9 +4,10 @@
 import sys
 from pathlib import Path
 
+from flet_core.utils import is_macos, is_windows
+
 import flet_cli.__pyinstaller.config as hook_config
 from flet_cli.commands.base import BaseCommand
-from flet_core.utils import is_macos, is_windows
 
 
 class Command(BaseCommand):
@@ -114,6 +115,13 @@ def add_arguments(self, parser: argparse.ArgumentParser) -> None:
             action="store_true",
             help="Using this option creates a Manifest that will request elevation upon application start.(Windows)",
         )
+        parser.add_argument(
+            "--pyinstaller-build-args",
+            dest="pyinstaller_build_args",
+            action="append",
+            nargs="*",
+            help="additional arguments for pyinstaller build command",
+        )
         parser.add_argument(
             "-y",
             "--yes",
@@ -165,6 +173,7 @@ def handle(self, options: argparse.Namespace) -> None:
 
         try:
             import PyInstaller.__main__
+
             from flet_cli.__pyinstaller.utils import copy_flet_bin
 
             pyi_args = [options.script, "--noconfirm"]
@@ -205,6 +214,10 @@ def handle(self, options: argparse.Namespace) -> None:
             else:
                 pyi_args.append("--onefile")
 
+            if options.pyinstaller_build_args:
+                for pyinstaller_build_arg_arr in options.pyinstaller_build_args:
+                    pyi_args.extend(pyinstaller_build_arg_arr)
+
             # copy "bin"
             hook_config.temp_bin_dir = copy_flet_bin()