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cimport cython
bytes_abc = b'abc'
bytes_ABC = b'ABC'
bytes_abc_null = b'a\0b\0c'
bytes_ABC_null = b'A\0B\0C'
unicode_abc = u'abc'
unicode_ABC = u'ABC'
unicode_abc_null = u'a\0b\0c'
unicode_ABC_null = u'A\0B\0C'
def for_in_bytes(bytes s):
"""
>>> for_in_bytes(bytes_abc)
'X'
>>> for_in_bytes(bytes_ABC)
'C'
>>> for_in_bytes(bytes_abc_null)
'X'
>>> for_in_bytes(bytes_ABC_null)
'C'
"""
for c in s:
# Py2/Py3
if c == b'C' or c == c'C':
return 'C'
else:
return 'X'
@cython.test_assert_path_exists("//ForFromStatNode")
@cython.test_fail_if_path_exists("//ForInStatNode")
def for_char_in_bytes(bytes s):
"""
>>> for_char_in_bytes(bytes_abc)
'X'
>>> for_char_in_bytes(bytes_ABC)
'C'
>>> for_char_in_bytes(bytes_abc_null)
'X'
>>> for_char_in_bytes(bytes_ABC_null)
'C'
"""
cdef char c
for c in s:
if c == b'C':
return 'C'
else:
return 'X'
#### Py2 and Py3 behave differently here: Py2->bytes, Py3->integer
##
## @cython.test_assert_path_exists("//ForFromStatNode")
## @cython.test_fail_if_path_exists("//ForInStatNode")
## def for_obj_in_bytes_slice(bytes s):
## """
## >>> for_obj_in_bytes_slice(bytes_abc)
## 'X'
## >>> for_obj_in_bytes_slice(bytes_ABC)
## 'B'
## >>> for_obj_in_bytes_slice(bytes_abc_null)
## 'X'
## >>> for_obj_in_bytes_slice(bytes_ABC_null)
## 'B'
## """
## for c in s[1:-1]:
## if c == b'B':
## return 'B'
## else:
## return 'X'
@cython.test_assert_path_exists("//ForFromStatNode")
@cython.test_fail_if_path_exists("//ForInStatNode")
def for_char_in_bytes_slice(bytes s):
"""
>>> for_char_in_bytes_slice(bytes_abc)
'X'
>>> for_char_in_bytes_slice(bytes_ABC)
'B'
>>> for_char_in_bytes_slice(bytes_abc_null)
'X'
>>> for_char_in_bytes_slice(bytes_ABC_null)
'B'
"""
cdef char c
for c in s[1:-1]:
if c == c'B':
return 'B'
else:
return 'X'
@cython.test_assert_path_exists("//ForFromStatNode")
@cython.test_fail_if_path_exists("//ForInStatNode")
def for_char_in_enumerate_bytes(bytes s):
"""
>>> for_char_in_enumerate_bytes(bytes_abc)
'X'
>>> for_char_in_enumerate_bytes(bytes_ABC)
2
>>> for_char_in_enumerate_bytes(bytes_abc_null)
'X'
>>> for_char_in_enumerate_bytes(bytes_ABC_null)
4
"""
cdef char c
cdef Py_ssize_t i
for i, c in enumerate(s):
if c == b'C':
return i
else:
return 'X'
#### Py2 and Py3 behave differently here: Py2->bytes, Py3->integer
##
## @cython.test_assert_path_exists("//ForFromStatNode")
## @cython.test_fail_if_path_exists("//ForInStatNode")
## def for_pyvar_in_char_ptr(char* c_string):
## """
## >>> for_pyvar_in_char_ptr( (bytes_abc+bytes_ABC) * 2 )
## [True, True, True, False, False, False, True, True, True, False]
## >>> for_pyvar_in_char_ptr( bytes_abc_null * 2 )
## [True, False, True, False, True, True, False, True, False, True]
## """
## in_test = []
## cdef object c
## for c in c_string[:10]:
## in_test.append( c in b'abc' )
## return in_test
@cython.test_assert_path_exists("//ForFromStatNode")
@cython.test_fail_if_path_exists("//ForInStatNode")
def for_char_in_char_ptr(char* c_string):
"""
>>> for_char_in_char_ptr( (bytes_abc+bytes_ABC) * 2 )
[True, True, True, False, False, False, True, True, True, False]
>>> for_char_in_char_ptr( bytes_abc_null * 2 )
[True, False, True, False, True, True, False, True, False, True]
"""
in_test = []
cdef char c
for c in c_string[:10]:
in_test.append( c in b'abc' )
return in_test
@cython.test_assert_path_exists("//ForFromStatNode")
@cython.test_fail_if_path_exists("//ForInStatNode")
def for_pyunicode_in_unicode(unicode s):
"""
>>> for_pyunicode_in_unicode(unicode_abc)
'X'
>>> for_pyunicode_in_unicode(unicode_ABC)
'C'
>>> for_pyunicode_in_unicode(unicode_abc_null)
'X'
>>> for_pyunicode_in_unicode(unicode_ABC_null)
'C'
"""
cdef Py_UNICODE c
for c in s:
if c == u'C':
return 'C'
else:
return 'X'
@cython.test_assert_path_exists("//ForFromStatNode")
@cython.test_fail_if_path_exists("//ForInStatNode")
def for_pyunicode_in_enumerate_unicode(unicode s):
"""
>>> for_pyunicode_in_enumerate_unicode(unicode_abc)
'X'
>>> for_pyunicode_in_enumerate_unicode(unicode_ABC)
2
>>> for_pyunicode_in_enumerate_unicode(unicode_abc_null)
'X'
>>> for_pyunicode_in_enumerate_unicode(unicode_ABC_null)
4
"""
cdef Py_UNICODE c
cdef Py_ssize_t i
for i, c in enumerate(s):
if c == u'C':
return i
else:
return 'X'
@cython.test_assert_path_exists("//ForFromStatNode")
@cython.test_fail_if_path_exists("//ForInStatNode")
def for_pyucs4_in_unicode(unicode s):
"""
>>> for_pyucs4_in_unicode(unicode_abc)
'X'
>>> for_pyucs4_in_unicode(unicode_ABC)
'C'
>>> for_pyucs4_in_unicode(unicode_abc_null)
'X'
>>> for_pyucs4_in_unicode(unicode_ABC_null)
'C'
"""
cdef Py_UCS4 c
for c in s:
if c == u'C':
return 'C'
else:
return 'X'
@cython.test_assert_path_exists("//ForFromStatNode")
@cython.test_fail_if_path_exists("//ForInStatNode")
def for_pyucs4_in_enumerate_unicode(unicode s):
"""
>>> for_pyucs4_in_enumerate_unicode(unicode_abc)
'X'
>>> for_pyucs4_in_enumerate_unicode(unicode_ABC)
2
>>> for_pyucs4_in_enumerate_unicode(unicode_abc_null)
'X'
>>> for_pyucs4_in_enumerate_unicode(unicode_ABC_null)
4
"""
cdef Py_UCS4 c
cdef Py_ssize_t i
for i, c in enumerate(s):
if c == u'C':
return i
else:
return 'X'
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