add new help formatters for different kinds of commands

src/vban_cli/bus.py

@@ -4,9 +4,9 @@ from cyclopts import App, Argument, Parameter
 
 from . import console
 from .context import Context
-from .help import CustomHelpFormatter
+from .help import BusHelpFormatter
 
-app = App(name='bus', help_formatter=CustomHelpFormatter())
+app = App(name='bus', help_formatter=BusHelpFormatter())
 # See https://github.com/onyx-and-iris/vban-cli?tab=readme-ov-file#implementation-notes - 1.
 # app.command(eq.app.meta, name='eq')
 

src/vban_cli/comp.py

@@ -3,9 +3,9 @@ from typing import Annotated
 from cyclopts import App, Argument, Parameter
 
 from .context import Context
-from .help import CustomHelpFormatter
+from .help import StripSubcommandHelpFormatter
 
-app = App(name='comp', help_formatter=CustomHelpFormatter())
+app = App(name='comp', help_formatter=StripSubcommandHelpFormatter())
 
 
 @app.meta.default

src/vban_cli/denoiser.py

@@ -3,9 +3,9 @@ from typing import Annotated
 from cyclopts import App, Argument, Parameter
 
 from .context import Context
-from .help import CustomHelpFormatter
+from .help import StripSubcommandHelpFormatter
 
-app = App(name='denoiser', help_formatter=CustomHelpFormatter())
+app = App(name='denoiser', help_formatter=StripSubcommandHelpFormatter())
 
 
 @app.meta.default

src/vban_cli/eq.py

@@ -3,11 +3,11 @@ from typing import Annotated
 from cyclopts import App, Argument, Parameter
 
 from .context import Context
-from .help import CustomHelpFormatter
+from .help import CellHelpFormatter, EqHelpFormatter
 
-cell_app = App(name='cell', help_formatter=CustomHelpFormatter())
+cell_app = App(name='cell', help_formatter=CellHelpFormatter())
 
-app = App(name='eq', help_formatter=CustomHelpFormatter())
+app = App(name='eq', help_formatter=EqHelpFormatter())
 app.command(cell_app.meta, name='cell')
 
 

src/vban_cli/gate.py

@@ -3,9 +3,9 @@ from typing import Annotated
 from cyclopts import App, Argument, Parameter
 
 from .context import Context
-from .help import CustomHelpFormatter
+from .help import StripSubcommandHelpFormatter
 
-app = App(name='gate', help_formatter=CustomHelpFormatter())
+app = App(name='gate', help_formatter=StripSubcommandHelpFormatter())
 
 
 @app.meta.default

src/vban_cli/help.py

@@ -4,31 +4,24 @@ from cyclopts.help import DefaultFormatter, HelpPanel
 from rich.console import Console, ConsoleOptions
 
 
-class CustomHelpFormatter(DefaultFormatter):
+class BaseHelpFormatter(DefaultFormatter):
-    """Custom help formatter that injects an index argument into the usage line and filters it out from the parameters list.
+    """Base help formatter that provides common functionality."""
-
-    This formatter modifies the usage line to include an <index> argument after the 'strip' command,
-    and filters out any parameters related to 'index' from the Parameters section of the help output.
-    """
-
-    def render_usage(self, console: Console, options: ConsoleOptions, usage) -> None:
-        """Render the usage line with index argument injected."""
-        if usage:
-            modified_usage = re.sub(
-                r'(\S+\s+[a-z]+)\s+(COMMAND)', r'\1 <index> \2', str(usage)
-            )
-            console.print(f'[bold]Usage:[/bold] {modified_usage}')
 
     def __call__(
         self, console: Console, options: ConsoleOptions, panel: HelpPanel
     ) -> None:
-        """Render a help panel, filtering out the index parameter from Parameters sections."""
+        """Render a help panel, filtering out hidden parameters from Parameters sections."""
         if panel.title == 'Parameters':
             filtered_entries = [
                 entry
                 for entry in panel.entries
                 if not (
-                    entry.names and any('index' in name.lower() for name in entry.names)
+                    entry.names
+                    and any(
+                        param in name.lower()
+                        for name in entry.names
+                        for param in self.get_filtered_params()
+                    )
                 )
             ]
 
@@ -41,3 +34,90 @@ class CustomHelpFormatter(DefaultFormatter):
             super().__call__(console, options, filtered_panel)
         else:
             super().__call__(console, options, panel)
+
+    def get_filtered_params(self):
+        """Return list of parameter names to filter out of help output."""
+        return ['index', 'band', 'ctx', 'target', 'eq_kind']
+
+
+class StripHelpFormatter(BaseHelpFormatter):
+    """Help formatter for strip commands that injects <index> after 'strip'."""
+
+    def render_usage(self, console: Console, options: ConsoleOptions, usage) -> None:
+        """Render the usage line with index argument injected after 'strip'.
+
+        Handles both command groups (COMMAND) and individual commands (commandname [ARGS/OPTIONS]).
+        """
+        if usage:
+            modified_usage = re.sub(
+                r'(\S+\s+strip)\s+(\w+\s+\[[^\]]+\]|\w+\s+\[[^\]]+\]|\w+(?:\s+\[[^\]]+\])*|COMMAND)',
+                r'\1 <index> \2',
+                str(usage),
+            )
+            if modified_usage == str(usage):
+                modified_usage = re.sub(
+                    r'(\S+\s+strip)\s+(\w+)', r'\1 <index> \2', str(usage)
+                )
+            console.print(f'[bold]Usage:[/bold] {modified_usage}')
+
+
+class StripSubcommandHelpFormatter(BaseHelpFormatter):
+    """Help formatter for strip subcommands that injects <index> after 'strip'."""
+
+    def render_usage(self, console: Console, options: ConsoleOptions, usage) -> None:
+        """Render the usage line with index argument injected after 'strip'."""
+        if usage:
+            modified_usage = re.sub(
+                r'(\S+\s+strip)\s+(\w+)\s+(COMMAND)', r'\1 <index> \2 \3', str(usage)
+            )
+            console.print(f'[bold]Usage:[/bold] {modified_usage}')
+
+
+class BusHelpFormatter(BaseHelpFormatter):
+    """Help formatter for bus commands that injects <index> after 'bus'."""
+
+    def render_usage(self, console: Console, options: ConsoleOptions, usage) -> None:
+        """Render the usage line with index argument injected after 'bus'.
+
+        Handles both command groups (COMMAND) and individual commands (commandname [ARGS/OPTIONS])."""
+        if usage:
+            modified_usage = re.sub(
+                r'(\S+\s+bus)\s+(\w+\s+\[[^\]]+\]|\w+\s+\[[^\]]+\]|\w+(?:\s+\[[^\]]+\])*|COMMAND)',
+                r'\1 <index> \2',
+                str(usage),
+            )
+            if modified_usage == str(usage):
+                modified_usage = re.sub(
+                    r'(\S+\s+bus)\s+(\w+)', r'\1 <index> \2', str(usage)
+                )
+            console.print(f'[bold]Usage:[/bold] {modified_usage}')
+
+
+class EqHelpFormatter(BaseHelpFormatter):
+    """Help formatter for eq commands that works with both strip and bus commands.
+
+    Injects <index> after 'strip' or 'bus' and <band> after 'cell'."""
+
+    def render_usage(self, console: Console, options: ConsoleOptions, usage) -> None:
+        """Render the usage line with proper <index> placement for both strip and bus commands."""
+        if usage:
+            modified_usage = re.sub(
+                r'(\S+\s+)(\w+)(\s+eq\s+)(COMMAND)', r'\1\2 <index>\3\4', str(usage)
+            )
+            console.print(f'[bold]Usage:[/bold] {modified_usage}')
+
+
+class CellHelpFormatter(BaseHelpFormatter):
+    """Help formatter for cell commands that works with both strip and bus commands.
+
+    Injects <index> after 'strip' or 'bus' and <band> after 'cell'."""
+
+    def render_usage(self, console: Console, options: ConsoleOptions, usage) -> None:
+        """Render the usage line with proper <index> and <band> placement."""
+        if usage:
+            modified_usage = re.sub(
+                r'(\S+\s+)(\w+)(\s+eq\s+cell\s+)(COMMAND)',
+                r'\1\2 <index>\3<band> \4',
+                str(usage),
+            )
+            console.print(f'[bold]Usage:[/bold] {modified_usage}')

src/vban_cli/strip.py

@@ -4,9 +4,9 @@ from cyclopts import App, Argument, Parameter
 
 from . import comp, console, denoiser, eq, gate
 from .context import Context
-from .help import CustomHelpFormatter
+from .help import StripHelpFormatter
 
-app = App(name='strip', help_formatter=CustomHelpFormatter())
+app = App(name='strip', help_formatter=StripHelpFormatter())
 app.command(eq.app.meta, name='eq')
 app.command(comp.app.meta, name='comp')
 app.command(gate.app.meta, name='gate')