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bili_dynamic_spy.py
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"""bili_dynamic_spy"""
import datetime
import json
import csv
import time
import requests
dynamic_type_dict = {
"DYNAMIC_TYPE_NONE" : "无效动态",
"DYNAMIC_TYPE_FORWARD" : "动态转发",
"DYNAMIC_TYPE_AV" : "投稿视频",
"DYNAMIC_TYPE_PGC" : "剧集（番剧、电影、纪录片）",
"DYNAMIC_TYPE_COURSES" : "TYPE_COURSES",
"DYNAMIC_TYPE_WORD" : "纯文字动态",
"DYNAMIC_TYPE_DRAW" : "带图动态",
"DYNAMIC_TYPE_ARTICLE" : "投稿专栏",
"DYNAMIC_TYPE_MUSIC" : "音乐",
"DYNAMIC_TYPE_COMMON_SQUARE" : "装扮/剧集点评/普通分享",
"DYNAMIC_TYPE_COMMON_VERTICAL" : "TYPE_COMMON_VERTICAL",
"DYNAMIC_TYPE_LIVE" : "直播间分享",
"DYNAMIC_TYPE_MEDIALIST" : "收藏夹",
"DYNAMIC_TYPE_COURSES_SEASON" : "课程",
"DYNAMIC_TYPE_COURSES_BATCH" : "TYPE_COURSES_BATCH",
"DYNAMIC_TYPE_AD" : "TYPE_AD",
"DYNAMIC_TYPE_APPLET" : "TYPE_APPLET",
"DYNAMIC_TYPE_SUBSCRIPTION" : "TYPE_SUBSCRIPTION",
"DYNAMIC_TYPE_LIVE_RCMD" : "直播开播",
"DYNAMIC_TYPE_BANNER" : "TYPE_BANNER",
"DYNAMIC_TYPE_UGC_SEASON" : "合集更新",
"DYNAMIC_TYPE_SUBSCRIPTION_NEW" : "TYPE_SUBSCRIPTION_NEW"
}
major_type_dict = {
"ugc_season": "合集信息",
"article" : "专栏",
"draw" : "带图动态",
"archive" : "视频",
"live_rcmd" : "直播状态",
"common" : "一般类型",
"pgc" : "剧集更新",
"courses" : "课程",
"music" : "音频更新",
"opus" : "图文动态",
"live" : "直播间",
"none" : "动态失效"
}
with open("config.json", "r", encoding="utf-8") as config_file:
config = json.load(config_file)
HEADERS = ["时间", "类型", "文本内容", "转发/投稿", "主体类型", "转发/投稿源标题"]
UID = config.get("tar_uid")
DEEPTH = config.get("crawl_deepth")
count = 0
def main():
"""Main function"""
baseurl = "https://api.bilibili.com/x/polymer/web-dynamic/v1/feed/space"
data = get_data(baseurl, UID, offset="")
if data == "":
print("获取数据失败")
return
savepath = ".\\saved\\" + get_name(data) + "的成分表.csv"
with open(savepath, 'w', newline='', encoding='utf-8') as csv_file: # 创建csv文件, 并写入字段名
writer = csv.writer(csv_file)
writer.writerow(HEADERS)
# 更新页面偏移数据
has_more = data.get("data").get("has_more")
cur_offset = data.get("data").get("offset")
datapage = parse_data(data)
save_csv_data(savepath, datapage)
if has_more is True and DEEPTH > 0:
for i in range(0, DEEPTH): # 第一次页面偏移时会重叠一条旧动态
data = get_data(baseurl, UID, cur_offset)
if data == "":
print("获取数据失败")
return
has_more = data.get("data").get("has_more")
cur_offset = data.get("data").get("offset")
datapage = parse_data(data)
if i == 1:
datapage.pop(0) # 去除第一条重复的动态
save_csv_data(savepath, datapage)
if has_more is False:
break
time.sleep(0.2)
return
def get_data(baseurl: str, uid: str, offset: str):
"""Parse response from bilibili api to json str"""
respond = ask_url(baseurl, uid, offset)
if respond != "":
return json.loads(respond)
return ""
def parse_data(data):
"""Parse info from json str"""
datetime_instance = datetime.datetime
datapage = []
items = data.get("data").get("items")
for item in items:
global count
data_row = [] # [动态时间, 动态类型, 动态文本, 转发/投稿, 转发/投稿源标题]
text = ""
ref_type = ""
ref_major_type = ""
ref_title = ""
module = item.get("modules")
pub_time = None
author = module.get("module_author")
if author is not None:
pub_time = datetime_instance.fromtimestamp(module.get("module_author").get("pub_ts"))
else:
pub_time = "-"
data_row.append(pub_time)
pub_type = dynamic_type_dict.get(item.get("type"))
data_row.append(pub_type)
dynamic = module.get("module_dynamic")
if dynamic is not None:
desc = dynamic.get("desc")
if desc is not None:
text = desc.get("text")
else:
text = "-"
data_row.append(text.replace("\n", " ")) # 去除换行符
major = dynamic.get("major")
orig = item.get("orig")
if orig is None and major is None:
ref_type = "-"
ref_major_type = "-"
elif major is not None: # 附有投稿/更新
ref_type = "投稿/更新"
elif orig is not None: # 附有转发, 记录转发的动态主体类型与主体标题
ref_type = "转发"
major = orig.get("modules").get("module_dynamic").get("major")
try: # 神奇问题, 不同情况下的请求, 返回的JSON有细微但是致命的区别, 导致无法正确解析
major_type = major.get("type")
if major_type is not None:
major_type_key = split_str(major_type)
ref_major_type = major_type_dict.get(major_type_key) # 动态主体类型
if major_type_key not in ('draw', 'live_rcmd', 'none'): # 非 带图动态、直播推荐、动态失效
major_type_value = major.get(major_type_key)
if major_type_value is not None:
ref_title = major_type_value.get("title")
else:
ref_title = "-"
else:
ref_title = "*无标题*"
else:
ref_major_type = "-"
ref_title = "-"
data_row.append(ref_type)
data_row.append(ref_major_type)
data_row.append(ref_title.replace('\n', ' '))
except AttributeError as e:
print(f"Error: {e}")
data_row.append(ref_type)
data_row.append("N/A")
data_row.append("N/A")
datapage.append(data_row)
current_datetime = datetime_instance.now()
count = count + 1
print(f"{current_datetime}:" + "\033[32m[INFO]\033[0m" + " Successfully get the data of >>" + text)
return datapage
def get_name(data):
"""Get the name of the user who posted the dynamic"""
items = data.get("data").get("items")
if len(items) > 0:
return items[0].get("modules").get("module_author").get("name")
return "不发动态的人"
def split_str(text):
"""Do slice and lowercase the string 'MAJOR_TYPE_LIVE_RCMD' -> 'live_rcmd'"""
parts = text.split('_')
if len(parts) > 2:
effect_part = '_'.join(parts[2:])
result = effect_part.lower()
return result
return ""
def ask_url(url: str, uid: str, offset: str):
"""Send HTTP request"""
header = {
'accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7',
'accept-Encoding': 'gzip, deflate, br, zstd',
'accept-Language': 'zh-CN,zh;q=0.9,ja;q=0.8,en;q=0.7',
'origin': 'https://space.bilibili.com',
'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36'
}
config_cookie = config.get("cookies")
cookie = {
"buvid3": config_cookie.get("buvid3"),
"b_nut": config_cookie.get("b_nut"),
"_uuid": config_cookie.get("_uuid"),
"buvid4": config_cookie.get("buvid4"),
}
param = {
'offset': offset,
'host_mid': uid
}
response = requests.get(url, params=param, cookies=cookie, headers=header, timeout=8)
if response.status_code == 200:
return response.text
print("鉴权失败! 请检查Cookie")
return ''
def save_csv_data(savepath: str, datapage: list):
"""Save data of one page to savepath"""
with open(savepath, 'a', newline='', encoding='utf-8') as csv_file: # 追加模式, 每一次刷新都进行追加
writer = csv.writer(csv_file)
for row in datapage:
writer.writerow(row)
if __name__ == "__main__":
start_time = time.time()
main()
end_time = time.time()
print(f"爬取完毕\n总耗时: {end_time - start_time}秒\n获取数据量: {count}条")