mirror of
https://github.com/explosion/spaCy.git
synced 2025-11-04 09:57:26 +03:00
62b4b527d7
Improve error messages, raise error if setter is specified without a getter and compare against _unset to allow default=None. Also add more tests.
78 lines
2.9 KiB
Python
78 lines
2.9 KiB
Python
# coding: utf8
|
|
from __future__ import unicode_literals
|
|
|
|
import functools
|
|
|
|
from ..errors import Errors
|
|
|
|
|
|
class Underscore(object):
|
|
doc_extensions = {}
|
|
span_extensions = {}
|
|
token_extensions = {}
|
|
|
|
def __init__(self, extensions, obj, start=None, end=None):
|
|
object.__setattr__(self, '_extensions', extensions)
|
|
object.__setattr__(self, '_obj', obj)
|
|
# Assumption is that for doc values, _start and _end will both be None
|
|
# Span will set non-None values for _start and _end
|
|
# Token will have _start be non-None, _end be None
|
|
# This lets us key everything into the doc.user_data dictionary,
|
|
# (see _get_key), and lets us use a single Underscore class.
|
|
object.__setattr__(self, '_doc', obj.doc)
|
|
object.__setattr__(self, '_start', start)
|
|
object.__setattr__(self, '_end', end)
|
|
|
|
def __getattr__(self, name):
|
|
if name not in self._extensions:
|
|
raise AttributeError(Errors.E046.format(name=name))
|
|
default, method, getter, setter = self._extensions[name]
|
|
if getter is not None:
|
|
return getter(self._obj)
|
|
elif method is not None:
|
|
return functools.partial(method, self._obj)
|
|
else:
|
|
return self._doc.user_data.get(self._get_key(name), default)
|
|
|
|
def __setattr__(self, name, value):
|
|
if name not in self._extensions:
|
|
raise AttributeError(Errors.E047.format(name=name))
|
|
default, method, getter, setter = self._extensions[name]
|
|
if setter is not None:
|
|
return setter(self._obj, value)
|
|
else:
|
|
self._doc.user_data[self._get_key(name)] = value
|
|
|
|
def set(self, name, value):
|
|
return self.__setattr__(name, value)
|
|
|
|
def get(self, name):
|
|
return self.__getattr__(name)
|
|
|
|
def has(self, name):
|
|
return name in self._extensions
|
|
|
|
def _get_key(self, name):
|
|
return ('._.', name, self._start, self._end)
|
|
|
|
|
|
def get_ext_args(**kwargs):
|
|
"""Validate and convert arguments. Reused in Doc, Token and Span."""
|
|
default = kwargs.get('default')
|
|
getter = kwargs.get('getter')
|
|
setter = kwargs.get('setter')
|
|
method = kwargs.get('method')
|
|
if getter is None and setter is not None:
|
|
raise ValueError(Errors.E089)
|
|
valid_opts = ('default' in kwargs, method is not None, getter is not None)
|
|
nr_defined = sum(t is True for t in valid_opts)
|
|
if nr_defined != 1:
|
|
raise ValueError(Errors.E083.format(nr_defined=nr_defined))
|
|
if setter is not None and not hasattr(setter, '__call__'):
|
|
raise ValueError(Errors.E091.format(name='setter', value=repr(setter)))
|
|
if getter is not None and not hasattr(getter, '__call__'):
|
|
raise ValueError(Errors.E091.format(name='getter', value=repr(getter)))
|
|
if method is not None and not hasattr(method, '__call__'):
|
|
raise ValueError(Errors.E091.format(name='method', value=repr(method)))
|
|
return (default, method, getter, setter)
|