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How to use __assert_not_frozen method in hypothesis

Best Python code snippet using hypothesis

data.py

Source:data.py

...56        self.interval_stack = []57        global global_test_counter58        self.testcounter = global_test_counter59        global_test_counter += 160    def __assert_not_frozen(self, name):61        if self.frozen:62            raise Frozen(63                'Cannot call %s on frozen TestData' % (64                    name,))65    @property66    def index(self):67        return len(self.buffer)68    def note(self, value):69        self.__assert_not_frozen('note')70        if not isinstance(value, text_type):71            value = unicode_safe_repr(value)72        self.output += value73    def draw(self, strategy):74        if self.is_find and not strategy.supports_find:75            raise InvalidArgument((76                'Cannot use strategy %r within a call to find (presumably '77                'because it would be invalid after the call had ended).'78            ) % (strategy,))79        self.start_example()80        try:81            return strategy.do_draw(self)82        finally:83            if not self.frozen:84                self.stop_example()85    def start_example(self):86        self.__assert_not_frozen('start_example')87        self.interval_stack.append(self.index)88        self.level += 189    def stop_example(self):90        self.__assert_not_frozen('stop_example')91        self.level -= 192        while self.level >= len(self.intervals_by_level):93            self.intervals_by_level.append([])94        k = self.interval_stack.pop()95        if k != self.index:96            t = (k, self.index)97            self.intervals_by_level[self.level].append(t)98            if not self.intervals or self.intervals[-1] != t:99                self.intervals.append(t)100    def freeze(self):101        if self.frozen:102            assert isinstance(self.buffer, hbytes)103            return104        self.frozen = True105        # Intervals are sorted as longest first, then by interval start.106        for l in self.intervals_by_level:107            for i in range(len(l) - 1):108                if l[i][1] == l[i + 1][0]:109                    self.intervals.append((l[i][0], l[i + 1][1]))110        self.intervals = sorted(111            set(self.intervals),112            key=lambda se: (se[0] - se[1], se[0])113        )114        self.buffer = hbytes(self.buffer)115        del self._draw_bytes116    def draw_bytes(self, n, distribution=uniform):117        if n == 0:118            return hbytes(b'')119        self.__assert_not_frozen('draw_bytes')120        initial = self.index121        if self.index + n > self.max_length:122            self.overdraw = self.index + n - self.max_length123            self.status = Status.OVERRUN124            self.freeze()125            raise StopTest(self.testcounter)126        result = self._draw_bytes(self, n, distribution)127        self.block_starts.setdefault(n, []).append(initial)128        self.blocks.append((initial, initial + n))129        assert len(result) == n130        assert self.index == initial131        self.buffer.extend(result)132        self.intervals.append((initial, self.index))133        return reasonable_byte_type(result)134    def mark_interesting(self):135        self.__assert_not_frozen('mark_interesting')136        self.status = Status.INTERESTING137        self.freeze()138        raise StopTest(self.testcounter)139    def mark_invalid(self):140        self.__assert_not_frozen('mark_invalid')141        self.status = Status.INVALID142        self.freeze()...

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