实现了menu搜索bing

main.py

@@ -0,0 +1,240 @@
+from abc import ABCMeta, abstractmethod
+import requests
+from bs4 import BeautifulSoup
+import time
+
+
+class Search(metaclass=ABCMeta):
+    def __init__(self):
+        self.url = ""
+        self.args = ""
+        self.bd_session = requests.Session()
+        self.report = None
+        self.bs4: BeautifulSoup = None
+        self.word_list = []
+        self.page_num = 0
+        self.referer = ""
+        self.headers = {
+            'accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3',
+            'accept-language': 'zh-CN,zh;q=0.9',
+            'cache-control': 'max-age=0',
+            'sec-fetch-dest': 'document',
+            'sec-fetch-mode': 'navigate',
+            'sec-fetch-site': 'none',
+            'sec-fetch-user': '?1',
+            'connection': 'close',
+            'upgrade-insecure-requests': '1',
+            'accept-encoding': 'gzip, deflate',
+            "content-type": "application/x-www-form-urlencoded",
+            "Upgrade-Insecure-Requests": "1",
+            'user-agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36 QIHU 360SE',
+        }
+
+    @abstractmethod
+    def get_report(self, args_list, start):
+        pass
+
+    @abstractmethod
+    def bs_paser(self):
+        pass
+
+    @abstractmethod
+    def find_word(self):
+        pass
+
+    @abstractmethod
+    def __iter__(self):
+        pass
+
+    @abstractmethod
+    def __next__(self):
+        pass
+
+    @abstractmethod
+    def output_word(self):
+        pass
+
+    @abstractmethod
+    def return_page(self):
+        pass
+
+
+class BingWeb(Search):
+    def __init__(self):
+        super().__init__()
+        self.url = "https://cn.bing.com"
+        self.headers["Origin"] = "https://cn.bing.com"
+        self.headers['host'] = 'cn.bing.com'
+
+    def get_report(self, args_list=None, start=True):
+        if args_list:
+            self.args = "?" + "q=" + args_list
+
+        if start:
+            self.page_num = 0
+
+        if self.referer:
+            self.headers["referer"] = "self.referer"
+        self.referer = self.url + self.args
+        self.report = self.bd_session.get(self.referer, headers=self.headers).text
+        self.bs_paser()
+        return self
+
+    def bs_paser(self) -> None:
+        assert self.report, "Don't get report"
+        self.bs4 = BeautifulSoup(self.report, 'html.parser')
+
+    def find_word(self) -> None:
+        self.word_list = []
+
+        word = self.bs4.find_all("li", class_="b_algo")
+        for w in word:
+            title = w.find("div", class_="b_title")
+            try:  # 错误捕捉
+                if title:  # 找到了title(官网模式)
+                    self.word_list.append((title.h2.a.text, title.h2.a.get("href")))
+                else:  # 普通词条模式
+                    self.word_list.append((w.h2.a.text, w.h2.a.get("href")))
+            except AttributeError:
+                pass
+
+    def __iter__(self):
+        self.page_num = -1
+        return self
+
+    def __next__(self) -> bool:
+        if self.page_num == -1:  # 默认的第一次get
+            self.page_num += 1
+            return True
+
+        self.page_num += 1
+        title = self.bs4.find("a", title=f"下一页")
+        if title:
+            self.args = title.get("href")
+            self.report = self.get_report(None, False)
+        else:
+            raise StopIteration
+
+        return True
+
+    def output_word(self):
+        return self.word_list
+
+    def return_page(self):
+        return self.page_num
+
+
+class Seacher:  # 搜索者
+    def __init__(self, word: str):
+        self.web = {"bing": BingWeb()}
+        self.word = word
+        self.first = True
+
+    def find(self):
+        for web_name in self.web:
+            web = self.web[web_name]
+            web.get_report(self.word).__iter__()  # 做好迭代的准备
+        return self
+
+    def __iter__(self):
+        self.first = True
+        return self
+
+    def __next__(self):
+        if not self.first:
+            time.sleep(1)
+            # 使用了menu之后不需要is_next了
+            # if not self.is_next():
+            #     raise StopIteration
+        else:
+            self.first = False
+
+        return_str = ""
+        for web_name in self.web:
+            web = self.web[web_name]
+            try:
+                web.__next__()
+            except StopIteration:
+                pass
+            else:
+                web.find_word()
+                get: list = web.output_word()
+                return_str += "\n" + "* " * 20 + f"\n{web.return_page()}: [{web_name}] for {self.word} >>>\n"
+                for i in get:
+                    return_str += f"{i[0]}\n        -> {i[1]}\n"
+                return_str += "* " * 20 + "\n"
+        return return_str
+
+    def out_again(self):  # 再输出一次
+        return_str = ""
+        for web_name in self.web:
+            web = self.web[web_name]
+            get: list = web.output_word()
+            return_str += "\n" + "* " * 20 + f"\n{web.return_page()}: [{web_name}] for {self.word} >>>\n"
+            for i in get:
+                return_str += f"{i[0]}\n{' ' * 8}-> {i[1]}\n"
+            return_str += "* " * 20 + "\n"
+        return return_str
+
+    @staticmethod
+    def is_next():
+        return input("next? [Y/n]") != "n"
+
+
+class Menu:
+    def __init__(self):
+        self.searcher_dict = {}
+        print("Welcome To SSearch!")
+
+    def menu(self) -> None:
+        while True:
+            try:
+                if not self.__menu():
+                    break
+            except KeyboardInterrupt:
+                print("Please Enter 'q' to quiz")
+            except BaseException as e:
+                print(f"There are some Error:\n{e}\n\n")
+
+    def __menu(self):
+        command = input("[SSearch] > ")  # 输入一条指令
+        if(command == "q"):
+            return False
+        try:
+            exec(f"self.func_{command}()")
+        except AttributeError:
+            print("Not Support Command. [help]")
+        return True
+
+    def func_make(self):
+        word = input("输入关键词:")
+        name = input(f"输入名字[默认={word}]:")
+        if not name:
+            name = word
+        self.searcher_dict[name] = Seacher(word)  # 制造一个搜索器
+        self.searcher_dict[name].find().__iter__()  # 迭代准备
+
+    def func_again(self):
+        name = input(f"输入名字:")
+        seacher_iter = self.searcher_dict.get(name, None)
+        if not seacher_iter:
+            print("没有找到对应搜索器或搜索器已经搜索结束")
+        else:
+            print(seacher_iter.out_again())
+
+    def func_next(self):
+        name = input("输入名字:")
+        seacher_iter = self.searcher_dict.get(name, None)
+        if not seacher_iter:
+            print("没有找到对应搜索器或搜索器已经搜索结束")
+        else:
+            try:
+                print(seacher_iter.__next__())
+            except StopIteration:
+                print("搜索结束")
+            except AttributeError as e:
+                print(f"There are some Error:\n{e}\n\n")
+
+
+menu = Menu()
+menu.menu()