fix #78

Author: bckohan

django_typer/management/__init__.py

@@ -1705,6 +1705,12 @@ def _resolve_help(dj_cmd: "TyperCommand"):
                 cmd.help = hlp
             elif not dj_cmd.typer_app.info.help:
                 dj_cmd.typer_app.info.help = hlp
+    elif (
+        dj_cmd.typer_app.info.help
+        and not dj_cmd.is_compound_command
+        and not dj_cmd.typer_app.registered_commands[0].help
+    ):
+        dj_cmd.typer_app.registered_commands[0].help = dj_cmd.typer_app.info.help
 
 
 def _names(tc: t.Union[typer.models.CommandInfo, Typer]) -> t.List[str]:

doc/source/changelog.rst

@@ -7,7 +7,7 @@ v2.1.0
 
 * Implemented `Move tests into top level dir. <https://github.com/bckohan/django-typer/issues/87>`_
 * Implemented `Move core code out of __init__.py into management/__init__.py <https://github.com/bckohan/django-typer/issues/81>`_
-
+* Fixed `Typer(help="") doesnt work. <https://github.com/bckohan/django-typer/issues/78>`_
 
 v2.0.2
 ======

tests/apps/test_app/management/commands/help_precedence_native1.py

@@ -0,0 +1,13 @@
+from django.utils.translation import gettext_lazy as _
+
+from django_typer.management import Typer
+
+
+app = Typer(help=_("2: App help"))
+
+
+@app.command(help=_("1: Command help"))
+def native_helps():
+    """
+    3: Docstring help
+    """

tests/apps/test_app/management/commands/help_precedence_native2.py

@@ -0,0 +1,13 @@
+from django.utils.translation import gettext_lazy as _
+
+from django_typer.management import Typer
+
+
+app = Typer(help=_("2: App help"))
+
+
+@app.command()
+def native_helps():
+    """
+    3: Docstring help
+    """

tests/apps/test_app/management/commands/help_precedence_native3.py

@@ -0,0 +1,13 @@
+from django.utils.translation import gettext_lazy as _
+
+from django_typer.management import Typer
+
+
+app = Typer()
+
+
+@app.command()
+def native_helps():
+    """
+    3: Docstring help
+    """

tests/test_help_precedence.py

@@ -178,3 +178,23 @@ def test_help_from_other_dir(self):
             self.assertIn(f"Usage: {manage_py}", stdout)
         finally:
             os.chdir(cwd)
+
+
+class TestNativeHelpPrecedence(TestCase):
+    def test_help_precedence_native1(self):
+        buffer = StringIO()
+        cmd = get_command("help_precedence_native1", no_color=True, stdout=buffer)
+        cmd.print_help("./manage.py", "help_precedence_native1")
+        self.assertIn("1: Command help", buffer.getvalue())
+
+    def test_help_precedence_native2(self):
+        buffer = StringIO()
+        cmd = get_command("help_precedence_native2", no_color=True, stdout=buffer)
+        cmd.print_help("./manage.py", "help_precedence_native2")
+        self.assertIn("2: App help", buffer.getvalue())
+
+    def test_help_precedence_native3(self):
+        buffer = StringIO()
+        cmd = get_command("help_precedence_native3", no_color=True, stdout=buffer)
+        cmd.print_help("./manage.py", "help_precedence_native3")
+        self.assertIn("3: Docstring help", buffer.getvalue())