36
40
zero_seven = "%s was deprecated in version 0.7."
37
41
zero_eight = "%s was deprecated in version 0.8."
38
42
zero_nine = "%s was deprecated in version 0.9."
43
zero_ten = "%s was deprecated in version 0.10."
44
zero_eleven = "%s was deprecated in version 0.11."
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zero_twelve = "%s was deprecated in version 0.12."
41
48
def set_warning_method(method):
52
59
# add that on top of the primitives, once we have all three written
63
def deprecation_string(a_callable, deprecation_version):
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"""Generate an automatic deprecation string for a_callable.
66
:param a_callable: The callable to substitute into deprecation_version.
67
:param deprecation_version: A deprecation format warning string. This should
68
have a single %s operator in it. a_callable will be turned into a nice
69
python symbol and then substituted into deprecation_version.
71
if getattr(a_callable, 'im_class', None) is None:
72
symbol = "%s.%s" % (a_callable.__module__,
75
symbol = "%s.%s.%s" % (a_callable.im_class.__module__,
76
a_callable.im_class.__name__,
79
return deprecation_version % symbol
55
82
def deprecated_function(deprecation_version):
56
83
"""Decorate a function so that use of it will trigger a warning."""
61
88
def decorated_function(*args, **kwargs):
62
89
"""This is the decorated function."""
63
symbol = "%s.%s" % (callable.__module__,
66
warn(deprecation_version % symbol, DeprecationWarning, stacklevel=2)
90
warn(deprecation_string(callable, deprecation_version),
91
DeprecationWarning, stacklevel=2)
67
92
return callable(*args, **kwargs)
68
93
_populate_decorated(callable, deprecation_version, "function",
69
94
decorated_function)
83
108
def decorated_method(self, *args, **kwargs):
84
109
"""This is the decorated method."""
85
symbol = "%s.%s.%s" % (self.__class__.__module__,
110
symbol = "%s.%s.%s" % (self.__class__.__module__,
86
111
self.__class__.__name__,
145
170
decorated_callable.__module__ = callable.__module__
146
171
decorated_callable.__name__ = callable.__name__
147
172
decorated_callable.is_deprecated = True
175
def deprecated_list(deprecation_version, variable_name,
176
initial_value, extra=None):
177
"""Create a list that warns when modified
179
:param deprecation_version: something like zero_nine
180
:param initial_value: The contents of the list
181
:param variable_name: This allows better warnings to be printed
182
:param extra: Extra info to print when printing a warning
185
subst_text = 'Modifying %s' % (variable_name,)
186
msg = deprecation_version % (subst_text,)
190
class _DeprecatedList(list):
191
__doc__ = list.__doc__ + msg
195
def _warn_deprecated(self, func, *args, **kwargs):
196
warn(msg, DeprecationWarning, stacklevel=3)
197
return func(self, *args, **kwargs)
199
def append(self, obj):
200
"""appending to %s is deprecated""" % (variable_name,)
201
return self._warn_deprecated(list.append, obj)
203
def insert(self, index, obj):
204
"""inserting to %s is deprecated""" % (variable_name,)
205
return self._warn_deprecated(list.insert, index, obj)
207
def extend(self, iterable):
208
"""extending %s is deprecated""" % (variable_name,)
209
return self._warn_deprecated(list.extend, iterable)
211
def remove(self, value):
212
"""removing from %s is deprecated""" % (variable_name,)
213
return self._warn_deprecated(list.remove, value)
215
def pop(self, index=None):
216
"""pop'ing from from %s is deprecated""" % (variable_name,)
218
return self._warn_deprecated(list.pop, index)
221
return self._warn_deprecated(list.pop)
223
return _DeprecatedList(initial_value)