FIX: CLI bug fixes and minor updates

pyrit/cli/_banner.py

@@ -255,7 +255,7 @@ def add(line: str, role: ColorRole, segments: Optional[list[tuple[int, int, Colo
         "Commands:",
         "  • list-scenarios        - See all available scenarios",
         "  • list-initializers     - See all available initializers",
-        "  • list-targets          - See all available targets in the registry",
+        "  • list-targets [opts]   - See all available targets in the registry",
         "  • run <scenario> [opts] - Execute a security scenario",
         "  • scenario-history      - View your session history",
         "  • print-scenario [N]    - Display detailed results",

pyrit/cli/_cli_args.py

@@ -14,6 +14,7 @@
 from __future__ import annotations
 
 import argparse
+import dataclasses
 import inspect
 import json
 import logging
@@ -342,6 +343,172 @@ def _parse_initializer_arg(arg: str) -> str | dict[str, Any]:
     return name
 
 
+# ---------------------------------------------------------------------------
+# Shell argument specification
+# ---------------------------------------------------------------------------
+
+
+@dataclasses.dataclass(frozen=True)
+class _ArgSpec:
+    """
+    Declarative specification for a single shell-mode CLI argument.
+
+    Each instance describes one CLI flag (or set of aliases) and how its
+    value(s) should be collected and validated. A list of ``_ArgSpec`` objects
+    is passed to ``_parse_shell_arguments`` which handles the actual parsing
+    loop. Adding a new flag only requires defining a new ``_ArgSpec``
+    constant, not editing any parsing logic.
+
+    Attributes:
+        flags: CLI flag strings that trigger this argument (e.g., ``["--strategies", "-s"]``).
+        result_key: Key name in the returned dict (e.g., ``"scenario_strategies"``).
+        multi_value: If True, collect values until the next flag.
+            If False, consume exactly one value.
+        parser: Optional callable to transform each raw string value.
+            Applied per-item for multi-value args, or to the single value otherwise.
+    """
+
+    flags: list[str]
+    result_key: str
+    multi_value: bool = False
+    parser: Callable[[str], Any] | None = None
+
+
+_INITIALIZERS_ARG = _ArgSpec(
+    flags=["--initializers"],
+    result_key="initializers",
+    multi_value=True,
+    parser=_parse_initializer_arg,
+)
+_INIT_SCRIPTS_ARG = _ArgSpec(
+    flags=["--initialization-scripts"],
+    result_key="initialization_scripts",
+    multi_value=True,
+)
+
+_STRATEGIES_ARG = _ArgSpec(
+    flags=["--strategies", "-s"],
+    result_key="scenario_strategies",
+    multi_value=True,
+)
+_MAX_CONCURRENCY_ARG = _ArgSpec(
+    flags=["--max-concurrency"],
+    result_key="max_concurrency",
+    parser=lambda v: validate_integer(v, name="--max-concurrency", min_value=1),
+)
+_MAX_RETRIES_ARG = _ArgSpec(
+    flags=["--max-retries"],
+    result_key="max_retries",
+    parser=lambda v: validate_integer(v, name="--max-retries", min_value=0),
+)
+_MEMORY_LABELS_ARG = _ArgSpec(
+    flags=["--memory-labels"],
+    result_key="memory_labels",
+    parser=parse_memory_labels,
+)
+_LOG_LEVEL_ARG = _ArgSpec(
+    flags=["--log-level"],
+    result_key="log_level",
+    parser=lambda v: validate_log_level(log_level=v),
+)
+_DATASET_NAMES_ARG = _ArgSpec(
+    flags=["--dataset-names"],
+    result_key="dataset_names",
+    multi_value=True,
+)
+_MAX_DATASET_SIZE_ARG = _ArgSpec(
+    flags=["--max-dataset-size"],
+    result_key="max_dataset_size",
+    parser=lambda v: validate_integer(v, name="--max-dataset-size", min_value=1),
+)
+_TARGET_ARG = _ArgSpec(
+    flags=["--target"],
+    result_key="target",
+)
+
+_RUN_ARG_SPECS: list[_ArgSpec] = [
+    _INITIALIZERS_ARG,
+    _INIT_SCRIPTS_ARG,
+    _STRATEGIES_ARG,
+    _MAX_CONCURRENCY_ARG,
+    _MAX_RETRIES_ARG,
+    _MEMORY_LABELS_ARG,
+    _LOG_LEVEL_ARG,
+    _DATASET_NAMES_ARG,
+    _MAX_DATASET_SIZE_ARG,
+    _TARGET_ARG,
+]
+
+_LIST_TARGETS_ARG_SPECS: list[_ArgSpec] = [
+    _INITIALIZERS_ARG,
+    _INIT_SCRIPTS_ARG,
+]
+
+
+# ---------------------------------------------------------------------------
+# Generic shell argument parser
+# ---------------------------------------------------------------------------
+
+
+def _parse_shell_arguments(*, parts: list[str], arg_specs: list[_ArgSpec]) -> dict[str, Any]:
+    """
+    Parse a list of shell tokens against a set of argument specifications.
+
+    Each ``_ArgSpec`` in *arg_specs* declares how its flag(s) should be handled
+    (multi-value collection vs. single-value consumption) and what validation
+    or transformation to apply.
+
+    Args:
+        parts: Token list (already split on whitespace, positional args removed).
+        arg_specs: Argument specifications that this command accepts.
+
+    Returns:
+        Dictionary mapping each spec's ``result_key`` to its parsed value,
+        defaulting to ``None`` for arguments not present in *parts*.
+
+    Raises:
+        ValueError: On unknown flags or missing values.
+    """
+    # Build lookup: flag string → spec
+    flag_to_spec: dict[str, _ArgSpec] = {}
+    for spec in arg_specs:
+        for flag in spec.flags:
+            flag_to_spec[flag] = spec
+
+    # Initialise result with None defaults
+    result: dict[str, Any] = {spec.result_key: None for spec in arg_specs}
+
+    i = 0
+    while i < len(parts):
+        token = parts[i]
+        spec = flag_to_spec.get(token)
+
+        if spec is None:
+            valid = sorted(flag_to_spec.keys())
+            raise ValueError(f"Unknown argument: {token}. Valid arguments: {', '.join(valid)}")
+
+        i += 1
+
+        if spec.multi_value:
+            values: list[Any] = []
+            # Collect values until the next flag (whether valid or invalid)
+            while i < len(parts) and not (parts[i].startswith("--") or parts[i] in flag_to_spec):
+                item = spec.parser(parts[i]) if spec.parser else parts[i]
+                values.append(item)
+                i += 1
+            if len(values) == 0:
+                raise ValueError(f"{spec.flags[0]} requires at least one value")
+            result[spec.result_key] = values
+        else:
+            if i >= len(parts):
+                raise ValueError(f"{spec.flags[0]} requires a value")
+            raw = parts[i]
+            result[spec.result_key] = spec.parser(raw) if spec.parser else raw
+            i += 1
+
+    return result
+
+
 def parse_run_arguments(*, args_string: str) -> dict[str, Any]:
     """
     Parse run command arguments from a string (for shell mode).
@@ -371,92 +538,30 @@ def parse_run_arguments(*, args_string: str) -> dict[str, Any]:
     if not parts:
         raise ValueError("No scenario name provided")
 
-    result: dict[str, Any] = {
-        "scenario_name": parts[0],
-        "initializers": None,
-        "initialization_scripts": None,
-        "scenario_strategies": None,
-        "max_concurrency": None,
-        "max_retries": None,
-        "memory_labels": None,
-        "log_level": None,
-        "dataset_names": None,
-        "max_dataset_size": None,
-        "target": None,
-    }
-
-    i = 1
-    while i < len(parts):
-        if parts[i] == "--initializers":
-            # Collect initializers until next flag, parsing name:key=val syntax
-            result["initializers"] = []
-            i += 1
-            while i < len(parts) and not parts[i].startswith("--"):
-                result["initializers"].append(_parse_initializer_arg(parts[i]))
-                i += 1
-        elif parts[i] == "--initialization-scripts":
-            # Collect script paths until next flag
-            result["initialization_scripts"] = []
-            i += 1
-            while i < len(parts) and not parts[i].startswith("--"):
-                result["initialization_scripts"].append(parts[i])
-                i += 1
-        elif parts[i] in ("--strategies", "-s"):
-            # Collect strategies until next flag
-            result["scenario_strategies"] = []
-            i += 1
-            while i < len(parts) and not parts[i].startswith("--") and parts[i] != "-s":
-                result["scenario_strategies"].append(parts[i])
-                i += 1
-        elif parts[i] == "--max-concurrency":
-            i += 1
-            if i >= len(parts):
-                raise ValueError("--max-concurrency requires a value")
-            result["max_concurrency"] = validate_integer(parts[i], name="--max-concurrency", min_value=1)
-            i += 1
-        elif parts[i] == "--max-retries":
-            i += 1
-            if i >= len(parts):
-                raise ValueError("--max-retries requires a value")
-            result["max_retries"] = validate_integer(parts[i], name="--max-retries", min_value=0)
-            i += 1
-        elif parts[i] == "--memory-labels":
-            i += 1
-            if i >= len(parts):
-                raise ValueError("--memory-labels requires a value")
-            result["memory_labels"] = parse_memory_labels(parts[i])
-            i += 1
-        elif parts[i] == "--log-level":
-            i += 1
-            if i >= len(parts):
-                raise ValueError("--log-level requires a value")
-            result["log_level"] = validate_log_level(log_level=parts[i])
-            i += 1
-        elif parts[i] == "--dataset-names":
-            # Collect dataset names until next flag
-            result["dataset_names"] = []
-            i += 1
-            while i < len(parts) and not parts[i].startswith("--"):
-                result["dataset_names"].append(parts[i])
-                i += 1
-        elif parts[i] == "--max-dataset-size":
-            i += 1
-            if i >= len(parts):
-                raise ValueError("--max-dataset-size requires a value")
-            result["max_dataset_size"] = validate_integer(parts[i], name="--max-dataset-size", min_value=1)
-            i += 1
-        elif parts[i] == "--target":
-            i += 1
-            if i >= len(parts):
-                raise ValueError("--target requires a value")
-            result["target"] = parts[i]
-            i += 1
-        else:
-            raise ValueError(f"Unknown argument: {parts[i]}")
-
+    result = _parse_shell_arguments(parts=parts[1:], arg_specs=_RUN_ARG_SPECS)
+    result["scenario_name"] = parts[0]
     return result
 
 
+def parse_list_targets_arguments(*, args_string: str) -> dict[str, Any]:
+    """
+    Parse list-targets command arguments from a string (for shell mode).
+
+    Args:
+        args_string: Space-separated argument string (e.g., "--initializers target").
+
+    Returns:
+        Dictionary with parsed arguments:
+            - initializers: Optional[list[str | dict[str, Any]]]
+            - initialization_scripts: Optional[list[str]]
+
+    Raises:
+        ValueError: If parsing or validation fails.
+    """
+    parts = args_string.split()
+    return _parse_shell_arguments(parts=parts, arg_specs=_LIST_TARGETS_ARG_SPECS)
+
+
 # ---------------------------------------------------------------------------
 # Shared argparse builder
 # ---------------------------------------------------------------------------