forked from phoenix-oss/llama-stack-mirror
79 lines
2.5 KiB
Python
79 lines
2.5 KiB
Python
# Copyright (c) Meta Platforms, Inc. and affiliates.
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# All rights reserved.
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#
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# This source code is licensed under the terms described in the LICENSE file in
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# the root directory of this source tree.
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import argparse
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import textwrap
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from llama_models.llama3_1.api.interface import (
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list_jinja_templates,
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render_jinja_template,
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)
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from termcolor import colored
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from llama_toolchain.cli.subcommand import Subcommand
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from llama_toolchain.cli.table import print_table
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class ModelTemplate(Subcommand):
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"""Llama model cli for describe a model template (message formats)"""
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def __init__(self, subparsers: argparse._SubParsersAction):
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super().__init__()
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self.parser = subparsers.add_parser(
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"template",
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prog="llama model template",
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description="Show llama model message formats",
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epilog=textwrap.dedent(
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"""
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Example:
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llama model template <options>
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"""
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),
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formatter_class=argparse.RawTextHelpFormatter,
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)
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self._add_arguments()
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self.parser.set_defaults(func=self._run_model_template_cmd)
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def _add_arguments(self):
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self.parser.add_argument(
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"-m",
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"--model-family",
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type=str,
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default="llama3_1",
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help="Model Family (llama3_1, llama3_X, etc.)",
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)
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self.parser.add_argument(
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"--name",
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type=str,
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help="Usecase template name (system_message, user_message, assistant_message, tool_message)...",
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required=False,
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)
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def _run_model_template_cmd(self, args: argparse.Namespace) -> None:
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if args.name:
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template, tokens_info = render_jinja_template(args.name)
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rendered = ""
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for tok, is_special in tokens_info:
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if is_special:
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rendered += colored(tok, "yellow", attrs=["bold"])
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else:
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rendered += tok
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rendered += "\n"
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print_table(
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[
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("Name", colored(template.template_name, "white", attrs=["bold"])),
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("Template", rendered),
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("Notes", template.notes),
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],
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separate_rows=True,
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)
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else:
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templates = list_jinja_templates()
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headers = ["Role", "Template Name"]
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print_table(
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[(t.role, t.template_name) for t in templates],
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headers,
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)
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