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request_builder.py
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request_builder.py
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import settings
from tornado.httpclient import HTTPRequest
import enum
from account.account import account_pool
class BaseRequestBuilder:
"""用以根据参数构造出request的相关信息"""
def __init__(self):
self.url = str()
def get_url(self):
return self.url
def make_request(self, method='GET', with_cookie=True, **req_kwargs):
cookie, proxy = account_pool.fetch()
proxy_host, proxy_port = proxy[0], proxy[1]
if with_cookie:
headers = settings.HEADERS_WITH_COOKIR
headers['Cookie'] = cookie
else:
headers = settings.HEADERS
# print(proxy_host, proxy_port)
req = HTTPRequest(url=self.get_url(), method=method,
# proxy_host=proxy_host, proxy_port=proxy_port,
# connect_timeout=300, validate_cert=False,
headers=headers,
request_timeout=settings.REQUEST_TIME_OUT, **req_kwargs)
return req
class UserIndexReqBuilder(BaseRequestBuilder):
"""根据用户id构造出用户的主页URL"""
def __init__(self, user_id='1669879400'):
super().__init__()
self.url = 'https://weibo.cn/{}'.format(user_id)
class UserInfoReqBuilder(BaseRequestBuilder):
"""根据用户id构造出用户的信息页URL"""
def __init__(self, user_id):
super().__init__()
self.url = 'https://weibo.cn/{}/info'.format(user_id)
class UserWeiboPageReqBuilder(BaseRequestBuilder):
"""根据用户id构造用户的某一页微博的URL"""
def __init__(self, user_id, page_num=1):
super().__init__()
self.url = 'https://weibo.cn/{}?page={}'.format(user_id, page_num)
class WeiboCommentReqBuilder(BaseRequestBuilder):
"""根据weibo_id获取该微博的评论URL"""
def __init__(self, weibo_id, page_num=1):
super().__init__()
self.url = 'https://weibo.cn/comment/{}?page={}'.format(
weibo_id, page_num)
class HotCommentReqBuilder(BaseRequestBuilder):
"""根据weibo_id获取该微博的热门评论的URL"""
def __init__(self, weibo_id, page_num=1):
super().__init__()
self.url = 'https://weibo.cn/comment/hot/{}?page={}'.format(
weibo_id, page_num)
class MblogPicAllReqBuilder(BaseRequestBuilder):
"""微博所有图片的URL"""
def __init__(self, weibo_id):
super().__init__()
self.url = 'https://weibo.cn/mblog/picAll/' + weibo_id + '?rl=1'
class FollowsReqBuilder(BaseRequestBuilder):
"""一个用户关注的人的URL"""
def __init__(self, user_id, page_num):
super().__init__()
self.url = 'https://weibo.cn/{}/follow?page={}'.format(
user_id, page_num)
class FansReqBuilder(BaseRequestBuilder):
"""一个用户的粉丝页的URL"""
def __init__(self, user_id, page_num):
super().__init__()
self.url = 'https://weibo.cn/{}/fans?page={}'.format(user_id, page_num)
class SearchWeiboReqBuilder(BaseRequestBuilder):
"""用于搜索微博的页面URL"""
def __init__(self, keyword, page_num, is_hot):
super().__init__()
search_type = r"xsort=hot&suball=1&Refer=g" if is_hot else r"typeall=1&suball=1"
self.url = 'https://s.weibo.com/weibo?{}&page={}&q={}'.format(
search_type, page_num, keyword)
class UserType(enum.Enum):
"""搜索用户时的用户类型限制"""
NO_LIMIT = '' # 无限制
ORG_VIP = '&auth=org_vip' # 机构认证
PER_VIP = '&auth=per_vip' # 个人认证
ORDINARY = '&auth=ord' # 普通用户
@staticmethod
def arg_convert(arg):
return {
None: UserType.NO_LIMIT,
1: UserType.ORG_VIP,
2: UserType.PER_VIP,
3: UserType.ORDINARY
}.get(arg, UserType.NO_LIMIT)
class Gender(enum.Enum):
"""搜索用户时的性别限制"""
NO_LIMIT = ''
MAN = '&gender=man'
WOMAN = '&gender=woman'
@staticmethod
def arg_convert(arg):
return {
None: Gender.NO_LIMIT,
1: Gender.MAN,
2: Gender.WOMAN
}.get(arg, Gender.NO_LIMIT)
class AgeLimit(enum.Enum):
"""枚举搜索用户时的年龄限制"""
NO_LIMIT = '' # 不限年龄
BELOW_18 = '&age=18y' # 18岁以下
FROM_19_TO_22 = '&age=22y' # 19-22岁
FROM_23_TO_29 = '&age=29y' # 23-29岁
FROM_30_TO_39 = '&age=39y' # 30-39岁
OVER_40 = '&age=40y' # 高于40岁
@staticmethod
def arg_convert(arg):
return {
None: AgeLimit.NO_LIMIT,
1: AgeLimit.BELOW_18,
2: AgeLimit.FROM_19_TO_22,
3: AgeLimit.FROM_30_TO_39,
4: AgeLimit.OVER_40
}.get(arg, AgeLimit.NO_LIMIT)
class SearchUsersReqBuilder(BaseRequestBuilder):
"""用于搜索用户的页面URL"""
def __init__(self, keyword, user_type, gender, age_limit, page_num):
"""
:param keyword: 搜索关键字
:param user_type: 用户类型
:param gender: 性别
:param age_limit: 年龄限制
:param page_num: 页数
"""
super().__init__()
# 先将这些参数转化成对应枚举类型
user_type = UserType.arg_convert(user_type)
gender = Gender.arg_convert(gender)
age_limit = AgeLimit.arg_convert(age_limit)
# 再将这些枚举类型转化成url的查询字符串
query_str = ''.join((user_type.value, gender.value, age_limit.value))
self.url = 'https://s.weibo.com/user?q={}&Refer=weibo_user{}&page={}'.format(
keyword, query_str, page_num)
if __name__ == '__main__':
from tornado import httpclient
def f():
http_client = httpclient.HTTPClient()
try:
req = UserIndexReqBuilder('1669879400').make_request()
response = http_client.fetch(req)
print(response.body.decode('utf8'))
except Exception as e:
print(e)
f()