test-langgraph/test_langgraph/tools.py
Jon Michael Aanes e42bb3df0a
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Ruff
2025-05-11 16:06:53 +02:00

109 lines
3.0 KiB
Python

import dataclasses
import logging
from decimal import Decimal
import clients
import requests_cache
import secret_loader
from langchain_core.tools import tool
try:
import pycountry.db
except ImportError:
pycountry = None
logger = logging.getLogger(__name__)
@tool
def search(query: str):
"""Call to surf the web."""
if 'sf' in query.lower() or 'san francisco' in query.lower():
return "It's 60 degrees and foggy."
return "It's 90 degrees and sunny."
def dataclasses_to_json(data):
if pycountry and isinstance(data, pycountry.db.Country):
return data.alpha_2
if isinstance(data, list | tuple):
return [dataclasses_to_json(d) for d in data]
if isinstance(data, dict):
return {k: dataclasses_to_json(v) for k, v in data.items() if v}
if isinstance(data, Decimal):
return float(data)
if dataclasses.is_dataclass(data):
result = {}
for field in dataclasses.fields(data):
result[field.name] = getattr(data, field.name)
return dataclasses_to_json(result)
return data
assert dataclasses_to_json([1, 2, 3]) == [1, 2, 3]
RETURN_FORMATS = {
'raw_python': lambda x: x,
'json': dataclasses_to_json,
}
RETURN_FORMAT = 'json'
def wrap_method(class_, method):
logger.info('Wrapping %s.%s', class_.__name__, method.__name__)
is_iterator = str(method.__annotations__.get('return', '')).startswith(
'collections.abc.Iterator',
)
def wrapper(input_value):
if isinstance(input_value, dict):
logger.warning('Silently converting from dict to plain value!')
input_value = next(input_value.values())
logger.info(
'AI called %s.%s(%s)', class_.__name__, method.__name__, repr(input_value),
)
try:
result = method(input_value)
if is_iterator:
result = list(result)
return RETURN_FORMATS[RETURN_FORMAT](result)
except:
logger.exception(
'AI invocation of %s.%s(%s) failed!',
class_.__name__,
method.__name__,
repr(input_value),
)
raise
wrapper.__name__ = f'{class_.__name__}.{method.__name__}'
wrapper.__doc__ = method.__doc__
wrapper.__annotations__ = method.__annotations__
return tool(wrapper)
def wrap_all_methods_on_client(obj):
for field_name in dir(obj):
if field_name.startswith('_'):
continue
method = getattr(obj, field_name)
if not callable(method):
continue
if method.__doc__ is None:
continue
yield wrap_method(obj.__class__, method)
def get_tools():
session = requests_cache.CachedSession('output/test.sqlite')
session.headers['User-Agent'] = 'Test Test'
secrets = secret_loader.SecretLoader()
tools = []
for client in clients.all_clients(session, secrets):
tools.extend(wrap_all_methods_on_client(client))
return tools