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|
# mode: run
# tag: special_method
cimport cython
text = u'ab jd sdflk as sa sadas asdas fsdf '
@cython.test_fail_if_path_exists(
"//CoerceFromPyTypeNode")
@cython.test_assert_path_exists(
"//CoerceToPyTypeNode",
"//AttributeNode",
"//AttributeNode[@entry.cname = 'PyUnicode_Contains']")
def unicode_contains(unicode s, substring):
"""
>>> unicode_contains(text, u'fl')
True
>>> unicode_contains(text, u'XYZ')
False
>>> unicode_contains(None, u'XYZ')
Traceback (most recent call last):
AttributeError: 'NoneType' object has no attribute '__contains__'
"""
return s.__contains__(substring)
@cython.test_fail_if_path_exists(
"//CoerceFromPyTypeNode")
@cython.test_assert_path_exists(
# "//CoerceToPyTypeNode",
"//NameNode[@entry.cname = 'PyUnicode_Contains']")
def unicode_contains_unbound(unicode s, substring):
"""
>>> unicode_contains_unbound(text, u'fl')
True
>>> unicode_contains_unbound(text, u'XYZ')
False
>>> unicode_contains_unbound(None, u'XYZ') # doctest: +ELLIPSIS
Traceback (most recent call last):
TypeError: descriptor '__contains__' requires a '...' object but received a 'NoneType'
"""
return unicode.__contains__(s, substring)
cdef class UnicodeSubclass(unicode):
"""
>>> u = UnicodeSubclass(text)
>>> u'fl' in u
False
>>> u'XYZ' in u
True
>>> u.method(u'fl')
False
>>> u.method(u'XYZ')
True
>>> u.operator(u'fl')
False
>>> u.operator(u'XYZ')
True
"""
def __contains__(self, substring):
return substring not in (self + u'x')
def method(self, other):
return self.__contains__(other)
def operator(self, other):
return other in self
|
