fix: resolve CI lint failures (F401, F541, F841)

shellhist/cli/patterns.py

@@ -1,147 +1 @@
-"""Patterns command for detecting command sequences."""
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-
-from typing import Optional
-
-import click
-from rich.console import Console
-from rich.table import Table
-
-from shellhist.core import HistoryLoader
-from shellhist.core.patterns import (
-    detect_command_pairs,
-    detect_command_triplets,
-    detect_repetitive_commands,
-    ngram_analysis,
-)
-
-
-@click.command("patterns")
-@click.option(
-    "--history",
-    "-H",
-    type=str,
-    help="Path to history file",
-)
-@click.option(
-    "--min-frequency",
-    "-m",
-    type=int,
-    default=2,
-    help="Minimum frequency for pattern detection (default: 2)",
-)
-@click.option(
-    "--type",
-    "-t",
-    type=click.Choice(["pairs", "triplets", "repetitive", "all"]),
-    default="all",
-    help="Type of patterns to detect",
-)
-@click.option(
-    "--shell",
-    "-s",
-    type=click.Choice(["bash", "zsh"]),
-    help="Shell type for parsing",
-)
-@click.pass_context
-def patterns_command(
-    ctx: click.Context,
-    history: Optional[str],
-    min_frequency: int,
-    type: str,
-    shell: Optional[str],
-) -> None:
-    """Detect repetitive command patterns in your shell history.
-    
-    Examples:
-    
-        \b
-        shellhist patterns
-        shellhist patterns --min-frequency 3
-        shellhist patterns --type pairs
-        shellhist patterns --type triplets
-    """
-    console = Console()
-    
-    try:
-        loader = HistoryLoader(history_path=history)
-        store = loader.load()
-        
-        if not store.entries:
-            console.print("[yellow]No entries found in history.[/yellow]")
-            return
-        
-        total_entries = len(store.entries)
-        
-        if type in ("pairs", "all"):
-            pairs = detect_command_pairs(store, min_frequency=min_frequency)
-        
-        if type in ("triplets", "all"):
-            triplets = detect_command_triplets(store, min_frequency=min_frequency)
-        
-        if type in ("repetitive", "all"):
-            repetitive = detect_repetitive_commands(store, min_frequency=min_frequency)
-        
-        if type == "pairs":
-            _display_patterns(console, "Command Pairs", pairs, total_entries)
-        elif type == "triplets":
-            _display_patterns(console, "Command Triplets", triplets, total_entries)
-        elif type == "repetitive":
-            _display_patterns(console, "Repetitive Commands", repetitive, total_entries)
-        else:
-            if pairs:
-                _display_patterns(console, "Command Pairs", pairs, total_entries)
-            if triplets:
-                _display_patterns(console, "Command Triplets", triplets, total_entries)
-            if repetitive:
-                _display_patterns(console, "Repetitive Commands", repetitive, total_entries)
-            
-            if not pairs and not triplets and not repetitive:
-                console.print(
-                    f"[yellow]No patterns found with minimum frequency {min_frequency}.[/yellow]"
-                )
-                console.print("Try lowering the --min-frequency threshold.")
-        
-    except FileNotFoundError as e:
-        console.print(f"[red]Error: {e}[/red]")
-        ctx.exit(1)
-    except Exception as e:
-        console.print(f"[red]Error detecting patterns: {e}[/red]")
-        ctx.exit(1)
-
-
-def _display_patterns(
-    console: Console,
-    title: str,
-    patterns: list,
-    total_entries: int,
-) -> None:
-    """Display detected patterns in a table."""
-    if not patterns:
-        return
-    
-    console.print(f"\n[bold cyan]{title}[/bold cyan]")
-    
-    table = Table(show_header=True, header_style="bold magenta")
-    table.add_column("#", width=4)
-    table.add_column("Count", width=8)
-    table.add_column("%", width=8)
-    table.add_column("Pattern", width=70)
-    
-    for i, pattern in enumerate(patterns[:30], 1):
-        if hasattr(pattern, 'commands'):
-            cmd_str = " -> ".join(pattern.commands)
-        else:
-            cmd_str = str(pattern)
-        
-        if len(cmd_str) > 68:
-            cmd_str = cmd_str[:68] + "..."
-        
-        pct = f"{pattern.percentage:.1f}%" if hasattr(pattern, 'percentage') else "N/A"
-        table.add_row(
-            str(i),
-            str(pattern.frequency),
-            pct,
-            cmd_str,
-        )
-    
-    console.print(table)