def __init__(self):
super(Xeger, self).__init__()
self._cache = dict()
self._categories = {
"category_digit": lambda: self._alphabets['digits'],
"category_not_digit": lambda: self._alphabets['nondigits'],
"category_space": lambda: self._alphabets['whitespace'],
"category_not_space": lambda: self._alphabets['nonwhitespace'],
"category_word": lambda: self._alphabets['word'],
"category_not_word": lambda: self._alphabets['nonword'],
}
self._cases = {
"literal": lambda x: unichr(x),
"not_literal": lambda x: choice(
string.printable.replace(unichr(x), '')),
"at": lambda x: '',
"in": lambda x: self._handle_in(x),
"any": lambda x: self.printable(1, exclude='\n'),
"range": lambda x: [unichr(i) for i in xrange(x[0], x[1] + 1)],
"category": lambda x: self._categories[x](),
'branch': lambda x: ''.join(self._handle_state(i) for
i in choice(x[1])),
"subpattern": lambda x: self._handle_group(x),
"assert": lambda x: ''.join(self._handle_state(i) for i in x[1]),
"assert_not": lambda x: '',
"groupref": lambda x: self._cache[x],
'min_repeat': lambda x: self._handle_repeat(*x),
'max_repeat': lambda x: self._handle_repeat(*x),
'negate': lambda x: [False],
}
def _handle_in(self, value):
candidates = list(chain(*(self._handle_state(i) for i in value)))
if candidates[0] is False:
candidates = set(string.printable).difference(candidates[1:])
return choice(list(candidates))
else:
return choice(candidates)
def _handle_in(self, value):
candidates = list(chain(*(self._handle_state(i) for
i in value)))
if candidates[0] is False:
candidates = set(string.printable).difference(candidates[1:])
return choice(list(candidates))
else:
return choice(candidates)
def __init__(self):
super(Xeger, self).__init__()
self._cache = dict()
self._categories = {
"category_digit": lambda: self._alphabets['digits'],
"category_not_digit": lambda: self._alphabets['nondigits'],
"category_space": lambda: self._alphabets['whitespace'],
"category_not_space": lambda: self._alphabets['nonwhitespace'],
"category_word": lambda: self._alphabets['word'],
"category_not_word": lambda: self._alphabets['nonword'],
}
self._cases = {
"literal":
lambda x: unichr(x),
"not_literal":
lambda x: choice(string.printable.replace(unichr(x), '')),
"at":
lambda x: '',
"in":
lambda x: self._handle_in(x),
"any":
lambda x: self.printable(1, exclude='\n'),
"range":
lambda x: [unichr(i) for i in xrange(x[0], x[1] + 1)],
"category":
lambda x: self._categories[x](),
'branch':
lambda x: ''.join(self._handle_state(i) for i in choice(x[1])),
"subpattern":
lambda x: self._handle_group(x),
"assert":
lambda x: ''.join(self._handle_state(i) for i in x[1]),
"assert_not":
lambda x: '',
"groupref":
lambda x: self._cache[x],
'min_repeat':
lambda x: self._handle_repeat(*x),
'max_repeat':
lambda x: self._handle_repeat(*x),
'negate':
lambda x: [False],
}
def test_choice(self):
population = [0, 1, 2, 3, 4, 5]
self.assertTrue(utility.choice(population) in population)
def test_choice(self):
population = [0, 1, 2, 3, 4, 5]
self.assertTrue(utility.choice(population) in population)