fix(cli): fix format_output() to use rich and color renderers instead of JSON fallback
The format_output() function in src/cleveragents/cli/formatting.py had two routing bugs that caused incorrect output for the 'rich' and 'color' formats: 1. The 'rich' format had no explicit dispatch branch and silently fell through to the final JSON fallback, returning raw JSON instead of styled terminal output. Since 'rich' is the default CLI format (per ADR-021), this meant all commands using format_output() (version, info, diagnostics) produced JSON by default. 2. The 'color' format was incorrectly routed to _format_plain() instead of a color-aware renderer, producing plain text with no ANSI color codes. Fix: - Added _format_rich() helper that delegates to RichMaterializer via OutputSession, producing ANSI-styled terminal output consistent with format_output_session(). - Added _format_color() helper that delegates to ColorMaterializer via OutputSession, producing ANSI-colored terminal output. - Added explicit OutputFormat.RICH dispatch in format_output() routing. - Fixed OutputFormat.COLOR dispatch to use _format_color() instead of _format_plain(). Tests: - Updated existing BDD scenario that was validating the buggy behavior (expected JSON for rich format) to now assert correct styled output. - Added new BDD scenarios: 'rich format produces styled terminal output not JSON' and 'color format produces ANSI-colored output not plain text'. - Added Robot Framework integration tests in cli_formats.robot and helper_cli_formats.py verifying end-to-end styled output for both formats. All nox sessions pass: lint, typecheck, unit_tests, security_scan. ISSUES CLOSED: #2921
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@@ -102,8 +102,18 @@ Feature: CLI output formats parity
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Then the format result should contain plain key-value pairs
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When I call format_output with a dict and format table
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Then the format result should contain table output
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# fix(cli): format_output() rich format must produce styled output, not JSON
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Scenario: Format output rich format produces styled terminal output not JSON
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When I call format_output with a dict and format rich
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Then the format result should be valid JSON dict
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Then the format result should contain rich styled output
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And the format result should not be valid JSON
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# fix(cli): format_output() color format must produce ANSI-colored output not plain text
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Scenario: Format output color format produces ANSI-colored output not plain text
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When I call format_output with a dict and format color
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Then the format result should contain color styled output
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And the format result should not be plain text only
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Scenario: Format output handles list data
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When I call format_output with a list and format plain
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@@ -441,6 +441,12 @@ def step_call_format_rich(context: Context) -> None:
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context.format_result = _capture_format_output(data, "rich")
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@when("I call format_output with a dict and format color")
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def step_call_format_color(context: Context) -> None:
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data = {"name": "test", "count": 42}
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context.format_result = _capture_format_output(data, "color")
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@when("I call format_output with a list and format plain")
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def step_call_format_list_plain(context: Context) -> None:
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data = [
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@@ -511,3 +517,73 @@ def step_serialized_enum_values(context: Context) -> None:
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assert isinstance(context.serialized["nested"], dict)
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assert context.serialized["items"][0] == "archived"
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assert isinstance(context.serialized["ts"], str)
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@then("the format result should contain rich styled output")
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def step_format_result_rich_styled(context: Context) -> None:
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"""Assert that rich format produces styled output (ANSI codes or key-value lines).
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The rich format must NOT produce raw JSON — it must produce styled terminal
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output via the RichMaterializer (ANSI escape codes or structured key-value
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lines with panel headers).
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"""
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result = context.format_result
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# Rich output must contain the data keys
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assert "name" in result, f"Rich output missing 'name': {result!r}"
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assert "count" in result, f"Rich output missing 'count': {result!r}"
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# Rich output must contain styled panel header or ANSI codes
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has_ansi = "\033[" in result or "\x1b[" in result
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has_panel_header = "Output" in result
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assert has_ansi or has_panel_header, (
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f"Rich output has no ANSI codes or panel header — got: {result!r}"
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)
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@then("the format result should not be valid JSON")
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def step_format_result_not_json(context: Context) -> None:
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"""Assert that the format result is NOT valid JSON (i.e. not the JSON fallback)."""
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try:
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json.loads(context.format_result)
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raise AssertionError(
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f"format_output() with 'rich' returned valid JSON — "
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f"expected styled terminal output, got: {context.format_result!r}"
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)
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except (json.JSONDecodeError, ValueError):
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pass # Expected: rich output is not JSON
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@then("the format result should contain color styled output")
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def step_format_result_color_styled(context: Context) -> None:
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"""Assert that color format produces ANSI-colored output (not plain text).
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The color format must NOT produce plain text — it must produce ANSI-colored
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terminal output via the ColorMaterializer.
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"""
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result = context.format_result
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# Color output must contain the data keys
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assert "name" in result, f"Color output missing 'name': {result!r}"
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assert "count" in result, f"Color output missing 'count': {result!r}"
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# Color output must contain ANSI escape codes or styled panel header
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has_ansi = "\033[" in result or "\x1b[" in result
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has_panel_header = "Output" in result
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assert has_ansi or has_panel_header, (
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f"Color output has no ANSI codes or panel header — got: {result!r}"
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)
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@then("the format result should not be plain text only")
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def step_format_result_not_plain_text(context: Context) -> None:
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"""Assert that the color format result is NOT plain text (i.e. not the plain fallback).
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Plain text would look like 'name: test\\ncount: 42' with no ANSI codes.
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Color output must have ANSI escape codes or styled panel headers.
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"""
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result = context.format_result
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has_ansi = "\033[" in result or "\x1b[" in result
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has_panel_header = "Output" in result
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# If it's purely plain text (no ANSI, no panel header), that's the bug
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is_plain_only = not has_ansi and not has_panel_header
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assert not is_plain_only, (
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f"format_output() with 'color' returned plain text — "
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f"expected ANSI-colored output, got: {result!r}"
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)
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@@ -93,3 +93,25 @@ All Six Formats Work With Version Command
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${result}= Run Process ${PYTHON} ${HELPER} global-format-all-six cwd=${WORKSPACE}
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Should Be Equal As Integers ${result.rc} 0
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Should Contain ${result.stdout} cli-global-format-all-six-ok
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# ---------------------------------------------------------------------------
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# format_output() renderer routing tests (Issue #2921)
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# ---------------------------------------------------------------------------
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Format Output Rich Produces Styled Output Not JSON
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[Documentation] Verify that format_output(data, "rich") produces styled terminal output
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... and NOT raw JSON (fix for issue #2921: rich format silently fell back to JSON)
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${result}= Run Process ${PYTHON} ${HELPER} format-output-rich cwd=${WORKSPACE}
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Log ${result.stdout}
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Log ${result.stderr}
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Should Be Equal As Integers ${result.rc} 0
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Should Contain ${result.stdout} cli-formats-format-output-rich-ok
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Format Output Color Produces ANSI Colored Output Not Plain Text
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[Documentation] Verify that format_output(data, "color") produces ANSI-colored output
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... and NOT plain text (fix for issue #2921: color format used plain renderer)
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${result}= Run Process ${PYTHON} ${HELPER} format-output-color cwd=${WORKSPACE}
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Log ${result.stdout}
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Log ${result.stderr}
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Should Be Equal As Integers ${result.rc} 0
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Should Contain ${result.stdout} cli-formats-format-output-color-ok
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@@ -214,6 +214,71 @@ def global_format_all_six() -> None:
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print("cli-global-format-all-six-ok")
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def format_output_rich() -> None:
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"""Verify format_output(data, 'rich') produces styled output, not JSON.
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Regression test for issue #2921: rich format silently fell back to JSON.
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"""
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import json as _json
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from cleveragents.cli.formatting import format_output
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data = {"name": "smoke-test", "status": "active", "count": 42}
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result = format_output(data, "rich")
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# Must NOT be valid JSON (that was the bug)
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try:
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_json.loads(result)
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raise AssertionError(
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f"format_output(data, 'rich') returned valid JSON — "
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f"expected styled terminal output, got: {result!r}"
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)
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except (_json.JSONDecodeError, ValueError):
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pass # Expected: rich output is not JSON
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# Must contain the data keys
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assert "name" in result, f"Rich output missing 'name': {result!r}"
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assert "status" in result, f"Rich output missing 'status': {result!r}"
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# Must contain ANSI codes or panel header (styled output)
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has_ansi = "\033[" in result or "\x1b[" in result
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has_panel = "Output" in result
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assert has_ansi or has_panel, (
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f"Rich output has no ANSI codes or panel header: {result!r}"
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)
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print("cli-formats-format-output-rich-ok")
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def format_output_color() -> None:
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"""Verify format_output(data, 'color') produces ANSI-colored output, not plain text.
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Regression test for issue #2921: color format used plain renderer instead of color.
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"""
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from cleveragents.cli.formatting import format_output
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data = {"name": "smoke-test", "status": "active", "count": 42}
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result = format_output(data, "color")
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# Must contain the data keys
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assert "name" in result, f"Color output missing 'name': {result!r}"
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assert "status" in result, f"Color output missing 'status': {result!r}"
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# Must NOT be plain text only (that was the bug)
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plain_text = "name: smoke-test\nstatus: active\ncount: 42"
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assert result != plain_text, (
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f"format_output(data, 'color') returned plain text — "
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f"expected ANSI-colored output, got: {result!r}"
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)
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# Must contain ANSI codes or panel header (styled output)
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has_ansi = "\033[" in result or "\x1b[" in result
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has_panel = "Output" in result
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assert has_ansi or has_panel, (
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f"Color output has no ANSI codes or panel header: {result!r}"
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)
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print("cli-formats-format-output-color-ok")
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_COMMANDS = {
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"action-list-json": action_list_json,
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"action-show-yaml": action_show_yaml,
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@@ -226,6 +291,8 @@ _COMMANDS = {
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"global-format-json-diagnostics": global_format_json_diagnostics,
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"global-format-shorthand": global_format_shorthand,
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"global-format-all-six": global_format_all_six,
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"format-output-rich": format_output_rich,
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"format-output-color": format_output_color,
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}
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if __name__ == "__main__":
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@@ -149,6 +149,62 @@ def _format_table(data: dict[str, Any] | list[dict[str, Any]]) -> str:
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return buf.getvalue().rstrip("\n")
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def _format_rich(data: dict[str, Any] | list[dict[str, Any]]) -> str:
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"""Render data using the Rich materializer (ANSI-styled terminal output).
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Delegates to :func:`format_output_session` with the ``rich`` strategy so
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that the output is consistent with the newer session-based rendering path.
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The data passed here has already been redacted by the caller.
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"""
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from cleveragents.cli.output.session import OutputSession
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strategy = RichMaterializer()
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with OutputSession(
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format="rich", command="format_output", strategy=strategy
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) as session:
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if isinstance(data, list):
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for idx, item in enumerate(data):
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if isinstance(item, dict):
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panel = session.panel(f"Item {idx + 1}")
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for key, val in item.items():
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panel.set_entry(key, str(_serialize_value(val)))
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panel.close()
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elif isinstance(data, dict):
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panel = session.panel("Output")
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for key, val in data.items():
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panel.set_entry(key, str(_serialize_value(val)))
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panel.close()
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return strategy.get_output()
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def _format_color(data: dict[str, Any] | list[dict[str, Any]]) -> str:
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"""Render data using the Color materializer (ANSI-colored terminal output).
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Delegates to :func:`format_output_session` with the ``color`` strategy so
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that the output is consistent with the newer session-based rendering path.
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The data passed here has already been redacted by the caller.
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"""
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from cleveragents.cli.output.session import OutputSession
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strategy = ColorMaterializer()
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with OutputSession(
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format="color", command="format_output", strategy=strategy
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) as session:
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if isinstance(data, list):
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for idx, item in enumerate(data):
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if isinstance(item, dict):
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panel = session.panel(f"Item {idx + 1}")
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for key, val in item.items():
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panel.set_entry(key, str(_serialize_value(val)))
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panel.close()
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elif isinstance(data, dict):
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panel = session.panel("Output")
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for key, val in data.items():
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panel.set_entry(key, str(_serialize_value(val)))
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panel.close()
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return strategy.get_output()
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def _redact_data(
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data: dict[str, Any] | list[dict[str, Any]],
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) -> dict[str, Any] | list[dict[str, Any]]:
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@@ -316,9 +372,11 @@ def format_output(
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if fmt == OutputFormat.TABLE.value:
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return _format_table(safe_data)
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if fmt == OutputFormat.RICH.value:
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return _format_rich(safe_data)
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if fmt == OutputFormat.COLOR.value:
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return format_output_session(safe_data, fmt)
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# ``rich`` and any unknown value fall back to JSON
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return _format_color(safe_data)
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# Unknown format: fall back to JSON
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return _format_json(safe_data)
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