def add_shopping(self): self.get(User_shopping_process.URL_shopping.value) self.click(User_shopping_process.LOC_搜索框) self.send_keys(User_shopping_process.LOC_搜索框,'直磨机') self.click(User_shopping_process.LOC_搜索按钮) hand = self.get_handles() self.click(User_shopping_process.LOC_商品框) self.switch_window(hand) self.click(User_shopping_process.LOC_型号) > self.execute_script("arguments[0].removeAttribute('readonly')",self.find_element(By.XPATH,'//*[@id="text_box"]')) E TypeError: BasePage.find_element() takes 2 positional arguments but 3 were given

根据错误提示，`BasePage.find_element()`方法只需要传入两个参数，但是在 `self.execute_script()` 方法中传入了三个参数，导致出现了 `TypeError` 错误。

建议检查 `BasePage.find_element()` 方法的实现代码，看看是不是多传了一个参数。如果确认该方法只需要传入两个参数，则需要修改 `self.execute_script()` 方法的调用方式，只传入两个参数即可。

相关问题

def add_shopping(self): self.get(User_shopping_process.URL_shopping.value) self.click(User_shopping_process.LOC_搜索框) self.send_keys(User_shopping_process.LOC_搜索框,'直磨机') self.click(User_shopping_process.LOC_搜索按钮) hand = self.get_handles() self.click(User_shopping_process.LOC_商品框) self.switch_window(hand) self.click(User_shopping_process.LOC_型号) > self.execute_script("arguments[0].removeAttribute('readonly')", User_shopping_process.LOC_数量) E TypeError: User_shopping.execute_script() takes 2 positional arguments but 3 were given

这个错误提示是因为在调用 `execute_script` 方法时传入了 3 个参数，但该方法只接受 2 个参数。可以尝试修改代码如下：

def add_shopping(self):
    self.get(User_shopping_process.URL_shopping.value)
    self.click(User_shopping_process.LOC_搜索框)
    self.send_keys(User_shopping_process.LOC_搜索框,'直磨机')
    self.click(User_shopping_process.LOC_搜索按钮)
    hand = self.get_handles()
    self.click(User_shopping_process.LOC_商品框)
    self.switch_window(hand)
    self.execute_script("arguments[0].removeAttribute('readonly')", User_shopping_process.LOC_数量)
    self.click(User_shopping_process.LOC_型号)

这样就可以避免传入多余的参数，执行脚本时也不会出现错误了。

#256个block memory_size = 256 #pid进程号 class Process: def __init__(self, pid, block, duration): self.__block = block self.__duration = duration self.__pid = pid self.__memory = None @property def pid(self): return self.__pid @property def block(self): return self.__block @property def duration(self): return self.__duration def set_memory(self, memory_start, memory_end): self.__memory = (memory_start, memory_end) def get_memory(self): return self.__memory class MemoryAllocator: def __init__(self, memory_size): self.__memory_blocks = [None] * memory_size def memory_view(self): '''return the array of the use of memory blocks.''' return tuple(self.__memory_blocks) def allocate_memory(self, block_start, length, process): for block_id in range(block_start, block_start+length): assert self.__memory_blocks[block_id] is None, 'tend to allocate occupied blocks' self.__memory_blocks[block_id] = process process.set_memory(block_start, length) def free_memory(self, process): assert process.get_memory() is not None, 'process should already hold memory blocks' block_start, length = process.get_memory() for block_id in range(block_start, block_start+length): assert self.__memory_blocks[block_id] == process, 'the orresponding memory blocks should be assigned to the process' self.__memory_blocks[block_id] = None

这段代码实现了一个简单的内存分配器和进程类。其中，内存分配器使用一个数组来表示内存块的使用情况，每个进程对象都包含一个指向内存块的引用。

这段代码的实现还可以进行一些改进：

1. 内存分配器可以使用更高效的数据结构，比如位图，来表示内存块的使用情况。

2. 进程类可以添加一个方法来释放内存，而不是在内存分配器中实现。

3. 内存分配器可以添加一个方法来查找可用的内存块，而不是在进程类中实现。

4. 进程类可以将内存块的起始位置和长度作为属性，而不是在set_memory方法中设置。

下面是改进后的代码：

class Process:
    def __init__(self, pid, duration):
        self.__pid = pid
        self.__duration = duration
        self.__memory_start = None
        self.__memory_length = None

    @property
    def pid(self):
        return self.__pid

    @property
    def duration(self):
        return self.__duration

    @property
    def memory_start(self):
        return self.__memory_start

    @property
    def memory_length(self):
        return self.__memory_length

    def set_memory(self, start, length):
        self.__memory_start = start
        self.__memory_length = length

    def release_memory(self):
        self.__memory_start = None
        self.__memory_length = None


class MemoryAllocator:
    def __init__(self, memory_size):
        self.__memory_blocks = [False] * memory_size

    def find_free_memory(self, length):
        for i in range(len(self.__memory_blocks) - length + 1):
            if all(not self.__memory_blocks[j] for j in range(i, i + length)):
                return i
        return None

    def allocate_memory(self, process):
        length = process.duration
        start = self.find_free_memory(length)
        assert start is not None, 'allocation failed'
        for i in range(start, start + length):
            self.__memory_blocks[i] = True
        process.set_memory(start, length)

    def free_memory(self, process):
        start = process.memory_start
        length = process.memory_length
        for i in range(start, start + length):
            self.__memory_blocks[i] = False
        process.release_memory()

改进后的代码更加清晰和易于维护，也更加高效。