Migrate commands to use 'typer' framework

setup.cfg

@@ -26,6 +26,7 @@ install_requires =
         mysql-connector-python
         psycopg2
         Tailbone
+        typer
 
 packages = find:
 include_package_data = True
@@ -41,7 +42,7 @@ locsms = luckysmores; rattail-luckysmores; tailbone-locsms
 [options.entry_points]
 
 console_scripts =
-        theo = theo.commands:main
+        theo = theo.commands:theo_typer
 
 rattail.config.extensions =
         theo = theo.config:TheoConfig
@@ -57,6 +58,3 @@ rattail.importing =
 paste.app_factory =
         main = theo.web.app:main
         webapi = theo.web.webapi:main
-
-theo.subcommands =
-        install = theo.commands:Install

theo/commands.py

@@ -2,7 +2,7 @@
 ################################################################################
 #
 #  Rattail -- Retail Software Framework
-#  Copyright © 2010-2023 Lance Edgar
+#  Copyright © 2010-2024 Lance Edgar
 #
 #  This file is part of Rattail.
 #
@@ -24,42 +24,31 @@
 Theo commands
 """
 
-import sys
+import typer
 
-from rattail import commands
-
-from theo import __version__
+from rattail.commands.typer import typer_callback
 
 
-def main(*args):
-    """
-    Main entry point for Theo command system
-    """
-    args = list(args or sys.argv[1:])
-    cmd = Command()
-    cmd.run(*args)
+# nb. this is the top-level command for corporal
+theo_typer = typer.Typer(
+    callback=typer_callback,
+    help="Theo, the order system"
+)
 
 
-class Command(commands.Command):
-    """
-    Main command for Theo
-    """
-    name = 'theo'
-    version = __version__
-    description = "Theo, the order system"
-    long_description = ''
-
-
-class Install(commands.InstallSubcommand):
+@theo_typer.command()
+def install(
+        ctx: typer.Context,
+):
     """
     Install the Theo app
     """
-    name = 'install'
-    description = __doc__.strip()
+    from rattail.install import InstallHandler
 
-    # nb. these must be explicitly set b/c config is not available
-    # when running normally, e.g. `theo -n install`
-    app_title = "Theo"
-    app_package = 'theo'
-    app_eggname = 'tailbone_theo'
-    app_pypiname = 'tailbone-theo'
+    config = ctx.parent.rattail_config
+    handler = InstallHandler(config,
+                             app_title="Theo",
+                             app_package='theo',
+                             app_eggname='tailbone_theo',
+                             app_pypiname='tailbone-theo')
+    handler.run()