llm/llm/cli.py

742 lines
21 KiB
Python

import click
from click_default_group import DefaultGroup
import json
from llm import (
Conversation,
Response,
Template,
UnknownModelError,
get_key,
get_plugins,
get_model,
get_model_aliases,
get_models_with_aliases,
user_dir,
)
from .migrations import migrate
from .plugins import pm
import pathlib
import pydantic
from runpy import run_module
import shutil
import sqlite_utils
import sys
import textwrap
from typing import cast, Optional
import warnings
import yaml
warnings.simplefilter("ignore", ResourceWarning)
DEFAULT_MODEL = "gpt-3.5-turbo"
DEFAULT_TEMPLATE = "prompt: "
@click.group(
cls=DefaultGroup,
default="prompt",
default_if_no_args=True,
)
@click.version_option()
def cli():
"""
Access large language models from the command-line
Documentation: https://llm.datasette.io/
To get started, obtain an OpenAI key and set it like this:
\b
$ llm keys set openai
Enter key: ...
Then execute a prompt like this:
llm 'Five outrageous names for a pet pelican'
"""
@cli.command(name="prompt")
@click.argument("prompt", required=False)
@click.option("-s", "--system", help="System prompt to use")
@click.option("model_id", "-m", "--model", help="Model to use")
@click.option(
"options",
"-o",
"--option",
type=(str, str),
multiple=True,
help="key/value options for the model",
)
@click.option("-t", "--template", help="Template to use")
@click.option(
"-p",
"--param",
multiple=True,
type=(str, str),
help="Parameters for template",
)
@click.option("--no-stream", is_flag=True, help="Do not stream output")
@click.option("-n", "--no-log", is_flag=True, help="Don't log to database")
@click.option("--log", is_flag=True, help="Log prompt and response to the database")
@click.option(
"_continue",
"-c",
"--continue",
is_flag=True,
flag_value=-1,
help="Continue the most recent conversation.",
)
@click.option(
"conversation_id",
"--cid",
"--conversation",
help="Continue the conversation with the given ID.",
)
@click.option("--key", help="API key to use")
@click.option("--save", help="Save prompt with this template name")
def prompt(
prompt,
system,
model_id,
options,
template,
param,
no_stream,
no_log,
log,
_continue,
conversation_id,
key,
save,
):
"""
Execute a prompt
Documentation: https://llm.datasette.io/en/stable/usage.html
"""
if log and no_log:
raise click.ClickException("--log and --no-log are mutually exclusive")
model_aliases = get_model_aliases()
def read_prompt():
nonlocal prompt
if prompt is None:
if template:
# If running a template only consume from stdin if it has data
if not sys.stdin.isatty():
prompt = sys.stdin.read()
elif not save:
# Hang waiting for input to stdin (unless --save)
prompt = sys.stdin.read()
return prompt
if save:
# We are saving their prompt/system/etc to a new template
# Fields to save: prompt, system, model - and more in the future
disallowed_options = []
for option, var in (
("--template", template),
("--continue", _continue),
("--cid", conversation_id),
):
if var:
disallowed_options.append(option)
if disallowed_options:
raise click.ClickException(
"--save cannot be used with {}".format(", ".join(disallowed_options))
)
path = template_dir() / f"{save}.yaml"
to_save = {}
if model_id:
try:
to_save["model"] = model_aliases[model_id].model_id
except KeyError:
raise click.ClickException("'{}' is not a known model".format(model_id))
prompt = read_prompt()
if prompt:
to_save["prompt"] = prompt
if system:
to_save["system"] = system
if param:
to_save["defaults"] = dict(param)
path.write_text(
yaml.dump(
to_save,
indent=4,
default_flow_style=False,
),
"utf-8",
)
return
if template:
params = dict(param)
# Cannot be used with system
if system:
raise click.ClickException("Cannot use -t/--template and --system together")
template_obj = load_template(template)
prompt = read_prompt()
try:
prompt, system = template_obj.evaluate(prompt, params)
except Template.MissingVariables as ex:
raise click.ClickException(str(ex))
if model_id is None and template_obj.model:
model_id = template_obj.model
conversation = None
if conversation_id or _continue:
# Load the conversation - loads most recent if no ID provided
try:
conversation = load_conversation(conversation_id)
except UnknownModelError as ex:
raise click.ClickException(str(ex))
# Figure out which model we are using
if model_id is None:
if conversation:
model_id = conversation.model.model_id
else:
model_id = get_default_model()
# Now resolve the model
try:
model = model_aliases[model_id]
except KeyError:
raise click.ClickException("'{}' is not a known model".format(model_id))
# Provide the API key, if one is needed and has been provided
if model.needs_key:
model.key = get_key(key, model.needs_key, model.key_env_var)
if conversation:
# To ensure it can see the key
conversation.model = model
# Validate options
validated_options = {}
if options:
# Validate with pydantic
try:
validated_options = dict(
(key, value)
for key, value in model.Options(**dict(options))
if value is not None
)
except pydantic.ValidationError as ex:
raise click.ClickException(render_errors(ex.errors()))
should_stream = model.can_stream and not no_stream
if not should_stream:
validated_options["stream"] = False
prompt = read_prompt()
prompt_method = model.prompt
if conversation:
prompt_method = conversation.prompt
try:
response = prompt_method(prompt, system, **validated_options)
if should_stream:
for chunk in response:
print(chunk, end="")
sys.stdout.flush()
print("")
else:
print(response.text())
except Exception as ex:
raise click.ClickException(str(ex))
# Log to the database
if (logs_on() or log) and not no_log:
log_path = logs_db_path()
db = sqlite_utils.Database(log_path)
migrate(db)
response.log_to_db(db)
def load_conversation(conversation_id: Optional[str]) -> Optional[Conversation]:
db = sqlite_utils.Database(logs_db_path())
migrate(db)
if conversation_id is None:
# Return the most recent conversation, or None if there are none
matches = list(db["conversations"].rows_where(order_by="id desc", limit=1))
if matches:
conversation_id = matches[0]["id"]
else:
return None
try:
row = cast(sqlite_utils.db.Table, db["conversations"]).get(conversation_id)
except sqlite_utils.db.NotFoundError:
raise click.ClickException(
"No conversation found with id={}".format(conversation_id)
)
# Inflate that conversation
conversation = Conversation.from_row(row)
for response in db["responses"].rows_where(
"conversation_id = ?", [conversation_id]
):
conversation.responses.append(Response.from_row(response))
return conversation
@cli.group()
def keys():
"Manage stored API keys for different models"
@keys.command(name="path")
def keys_path_command():
"Output the path to the keys.json file"
click.echo(user_dir() / "keys.json")
@keys.command(name="set")
@click.argument("name")
@click.option("--value", prompt="Enter key", hide_input=True, help="Value to set")
def set_(name, value):
"""
Save a key in the keys.json file
Example usage:
\b
$ llm keys set openai
Enter key: ...
"""
default = {"// Note": "This file stores secret API credentials. Do not share!"}
path = user_dir() / "keys.json"
path.parent.mkdir(parents=True, exist_ok=True)
if not path.exists():
path.write_text(json.dumps(default))
try:
current = json.loads(path.read_text())
except json.decoder.JSONDecodeError:
current = default
current[name] = value
path.write_text(json.dumps(current, indent=2) + "\n")
@cli.group(
cls=DefaultGroup,
default="list",
default_if_no_args=True,
)
def logs():
"Tools for exploring logged prompts and responses"
@logs.command(name="path")
def logs_path():
"Output the path to the logs.db file"
click.echo(logs_db_path())
@logs.command(name="status")
def logs_status():
"Show current status of database logging"
path = logs_db_path()
if not path.exists():
click.echo("No log database found at {}".format(path))
return
if logs_on():
click.echo("Logging is ON for all prompts".format())
else:
click.echo("Logging is OFF".format())
db = sqlite_utils.Database(path)
migrate(db)
click.echo("Found log database at {}".format(path))
click.echo("Number of conversations logged:\t{}".format(db["conversations"].count))
click.echo("Number of responses logged:\t{}".format(db["responses"].count))
click.echo(
"Database file size: \t\t{}".format(_human_readable_size(path.stat().st_size))
)
@logs.command(name="on")
def logs_turn_on():
"Turn on logging for all prompts"
path = user_dir() / "logs-off"
if path.exists():
path.unlink()
@logs.command(name="off")
def logs_turn_off():
"Turn off logging for all prompts"
path = user_dir() / "logs-off"
path.touch()
LOGS_COLUMNS = """ responses.id,
responses.model,
responses.prompt,
responses.system,
responses.prompt_json,
responses.options_json,
responses.response,
responses.response_json,
responses.conversation_id,
responses.duration_ms,
responses.datetime_utc,
conversations.name as conversation_name,
conversations.model as conversation_model"""
LOGS_SQL = """
select
{columns}
from
responses
left join conversations on responses.conversation_id = conversations.id{where}
order by responses.id desc{limit}
"""
LOGS_SQL_SEARCH = """
select
{columns}
from
responses
left join conversations on responses.conversation_id = conversations.id
join responses_fts on responses_fts.rowid = responses.rowid
where responses_fts match :query{extra_where}
order by responses_fts.rank desc{limit}
"""
@logs.command(name="list")
@click.option(
"-n",
"--count",
default=3,
help="Number of entries to show - 0 for all",
)
@click.option(
"-p",
"--path",
type=click.Path(readable=True, exists=True, dir_okay=False),
help="Path to log database",
)
@click.option("-m", "--model", help="Filter by model or model alias")
@click.option("-q", "--query", help="Search for logs matching this string")
@click.option("-t", "--truncate", is_flag=True, help="Truncate long strings in output")
def logs_list(count, path, model, query, truncate):
"Show recent logged prompts and their responses"
path = pathlib.Path(path or logs_db_path())
if not path.exists():
raise click.ClickException("No log database found at {}".format(path))
db = sqlite_utils.Database(path)
migrate(db)
model_id = None
if model:
# Resolve alias, if any
try:
model_id = get_model(model).model_id
except UnknownModelError:
# Maybe they uninstalled a model, use the -m option as-is
model_id = model
sql = LOGS_SQL
format_kwargs = {
"limit": " limit {}".format(count) if count else "",
"columns": LOGS_COLUMNS,
}
if query:
sql = LOGS_SQL_SEARCH
format_kwargs["extra_where"] = (
" and responses.model = :model" if model_id else ""
)
else:
format_kwargs["where"] = " where responses.model = :model" if model_id else ""
rows = list(
db.query(sql.format(**format_kwargs), {"model": model_id, "query": query})
)
for row in rows:
if truncate:
row["prompt"] = _truncate_string(row["prompt"])
row["response"] = _truncate_string(row["response"])
# Either decode or remove all JSON keys
keys = list(row.keys())
for key in keys:
if key.endswith("_json") and row[key] is not None:
if truncate:
del row[key]
else:
row[key] = json.loads(row[key])
click.echo(json.dumps(list(rows), indent=2))
@cli.group()
def models():
"Manage available models"
@models.command(name="list")
@click.option(
"--options", is_flag=True, help="Show options for each model, if available"
)
def models_list(options):
"List available models"
models_that_have_shown_options = set()
for model_with_aliases in get_models_with_aliases():
extra = ""
if model_with_aliases.aliases:
extra = " (aliases: {})".format(", ".join(model_with_aliases.aliases))
output = str(model_with_aliases.model) + extra
if options and model_with_aliases.model.Options.model_fields:
for name, field in model_with_aliases.model.Options.model_fields.items():
type_info = str(field.annotation).replace("typing.", "")
if type_info.startswith("Optional["):
type_info = type_info[9:-1]
if type_info.startswith("Union[") and type_info.endswith(", NoneType]"):
type_info = type_info[6:-11]
bits = ["\n ", name, ": ", type_info]
if field.description and (
model_with_aliases.model.__class__
not in models_that_have_shown_options
):
wrapped = textwrap.wrap(field.description, 70)
bits.append("\n ")
bits.extend("\n ".join(wrapped))
output += "".join(bits)
models_that_have_shown_options.add(model_with_aliases.model.__class__)
click.echo(output)
@models.command(name="default")
@click.argument("model", required=False)
def models_default(model):
"Show or set the default model"
if not model:
click.echo(get_default_model())
return
# Validate it is a known model
try:
model = get_model(model)
set_default_model(model.model_id)
except KeyError:
raise click.ClickException("Unknown model: {}".format(model))
@cli.group()
def templates():
"Manage stored prompt templates"
@templates.command(name="list")
def templates_list():
"List available prompt templates"
path = template_dir()
pairs = []
for file in path.glob("*.yaml"):
name = file.stem
template = load_template(name)
text = []
if template.system:
text.append(f"system: {template.system}")
if template.prompt:
text.append(f" prompt: {template.prompt}")
else:
text = [template.prompt if template.prompt else ""]
pairs.append((name, "".join(text).replace("\n", " ")))
try:
max_name_len = max(len(p[0]) for p in pairs)
except ValueError:
return
else:
fmt = "{name:<" + str(max_name_len) + "} : {prompt}"
for name, prompt in sorted(pairs):
text = fmt.format(name=name, prompt=prompt)
click.echo(display_truncated(text))
@cli.command(name="plugins")
def plugins_list():
"List installed plugins"
click.echo(json.dumps(get_plugins(), indent=2))
def display_truncated(text):
console_width = shutil.get_terminal_size()[0]
if len(text) > console_width:
return text[: console_width - 3] + "..."
else:
return text
@templates.command(name="show")
@click.argument("name")
def templates_show(name):
"Show the specified prompt template"
template = load_template(name)
click.echo(
yaml.dump(
dict((k, v) for k, v in template.dict().items() if v is not None),
indent=4,
default_flow_style=False,
)
)
@templates.command(name="edit")
@click.argument("name")
def templates_edit(name):
"Edit the specified prompt template using the default $EDITOR"
# First ensure it exists
path = template_dir() / f"{name}.yaml"
if not path.exists():
path.write_text(DEFAULT_TEMPLATE, "utf-8")
click.edit(filename=path)
# Validate that template
load_template(name)
@templates.command(name="path")
def templates_path():
"Output the path to the templates directory"
click.echo(template_dir())
@cli.command()
@click.argument("packages", nargs=-1, required=False)
@click.option(
"-U", "--upgrade", is_flag=True, help="Upgrade packages to latest version"
)
@click.option(
"-e",
"--editable",
help="Install a project in editable mode from this path",
)
@click.option(
"--force-reinstall",
is_flag=True,
help="Reinstall all packages even if they are already up-to-date",
)
@click.option(
"--no-cache-dir",
is_flag=True,
help="Disable the cache",
)
def install(packages, upgrade, editable, force_reinstall, no_cache_dir):
"""Install packages from PyPI into the same environment as LLM"""
args = ["pip", "install"]
if upgrade:
args += ["--upgrade"]
if editable:
args += ["--editable", editable]
if force_reinstall:
args += ["--force-reinstall"]
if no_cache_dir:
args += ["--no-cache-dir"]
args += list(packages)
sys.argv = args
run_module("pip", run_name="__main__")
@cli.command()
@click.argument("packages", nargs=-1, required=True)
@click.option("-y", "--yes", is_flag=True, help="Don't ask for confirmation")
def uninstall(packages, yes):
"""Uninstall Python packages from the LLM environment"""
sys.argv = ["pip", "uninstall"] + list(packages) + (["-y"] if yes else [])
run_module("pip", run_name="__main__")
def template_dir():
path = user_dir() / "templates"
path.mkdir(parents=True, exist_ok=True)
return path
def _truncate_string(s, max_length=100):
if len(s) > max_length:
return s[: max_length - 3] + "..."
return s
def get_default_model():
path = user_dir() / "default_model.txt"
if path.exists():
return path.read_text().strip()
else:
return DEFAULT_MODEL
def set_default_model(model):
path = user_dir() / "default_model.txt"
path.write_text(model)
def logs_db_path():
return user_dir() / "logs.db"
def load_template(name):
path = template_dir() / f"{name}.yaml"
if not path.exists():
raise click.ClickException(f"Invalid template: {name}")
try:
loaded = yaml.safe_load(path.read_text())
except yaml.YAMLError as ex:
raise click.ClickException("Invalid YAML: {}".format(str(ex)))
if isinstance(loaded, str):
return Template(name=name, prompt=loaded)
loaded["name"] = name
try:
return Template.model_validate(loaded)
except pydantic.ValidationError as ex:
msg = "A validation error occurred:\n"
msg += render_errors(ex.errors())
raise click.ClickException(msg)
def get_history(chat_id):
if chat_id is None:
return None, []
log_path = logs_db_path()
db = sqlite_utils.Database(log_path)
migrate(db)
if chat_id == -1:
# Return the most recent chat
last_row = list(db["logs"].rows_where(order_by="-id", limit=1))
if last_row:
chat_id = last_row[0].get("chat_id") or last_row[0].get("id")
else: # Database is empty
return None, []
rows = db["logs"].rows_where(
"id = ? or chat_id = ?", [chat_id, chat_id], order_by="id"
)
return chat_id, rows
def render_errors(errors):
output = []
for error in errors:
output.append(", ".join(error["loc"]))
output.append(" " + error["msg"])
return "\n".join(output)
pm.hook.register_commands(cli=cli)
def _human_readable_size(size_bytes):
if size_bytes == 0:
return "0B"
size_name = ("B", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB")
i = 0
while size_bytes >= 1024 and i < len(size_name) - 1:
size_bytes /= 1024.0
i += 1
return "{:.2f}{}".format(size_bytes, size_name[i])
def logs_on():
return not (user_dir() / "logs-off").exists()