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biqukan.py
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biqukan.py
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# -*- coding:UTF-8 -*-
from urllib import request
from bs4 import BeautifulSoup
import collections
import re
import os
import time
import sys
import types
"""
类说明:下载《笔趣看》网小说: url:http://www.biqukan.com/
Parameters:
target - 《笔趣看》网指定的小说目录地址(string)
Returns:
无
Modify:
2017-05-06
"""
class download(object):
def __init__(self, target):
self.__target_url = target
self.__head = {'User-Agent':'Mozilla/5.0 (Linux; Android 4.1.1; Nexus 7 Build/JRO03D) AppleWebKit/535.19 (KHTML, like Gecko) Chrome/18.0.1025.166 Safari/535.19',}
"""
函数说明:获取下载链接
Parameters:
无
Returns:
novel_name + '.txt' - 保存的小说名(string)
numbers - 章节数(int)
download_dict - 保存章节名称和下载链接的字典(dict)
Modify:
2017-05-06
"""
def get_download_url(self):
charter = re.compile(u'[第弟](.+)章', re.IGNORECASE)
target_req = request.Request(url = self.__target_url, headers = self.__head)
target_response = request.urlopen(target_req)
target_html = target_response.read().decode('gbk','ignore')
listmain_soup = BeautifulSoup(target_html,'lxml')
chapters = listmain_soup.find_all('div',class_ = 'listmain')
download_soup = BeautifulSoup(str(chapters), 'lxml')
novel_name = str(download_soup.dl.dt).split("》")[0][5:]
flag_name = "《" + novel_name + "》" + "正文卷"
numbers = (len(download_soup.dl.contents) - 1) / 2 - 8
download_dict = collections.OrderedDict()
begin_flag = False
numbers = 1
for child in download_soup.dl.children:
if child != '\n':
if child.string == u"%s" % flag_name:
begin_flag = True
if begin_flag == True and child.a != None:
download_url = "http://www.biqukan.com" + child.a.get('href')
download_name = child.string
names = str(download_name).split('章')
name = charter.findall(names[0] + '章')
if name:
download_dict['第' + str(numbers) + '章 ' + names[1]] = download_url
numbers += 1
return novel_name + '.txt', numbers, download_dict
"""
函数说明:爬取文章内容
Parameters:
url - 下载连接(string)
Returns:
soup_text - 章节内容(string)
Modify:
2017-05-06
"""
def Downloader(self, url):
download_req = request.Request(url = url, headers = self.__head)
download_response = request.urlopen(download_req)
download_html = download_response.read().decode('gbk','ignore')
soup_texts = BeautifulSoup(download_html, 'lxml')
texts = soup_texts.find_all(id = 'content', class_ = 'showtxt')
soup_text = BeautifulSoup(str(texts), 'lxml').div.text.replace('\xa0','')
return soup_text
"""
函数说明:将爬取的文章内容写入文件
Parameters:
name - 章节名称(string)
path - 当前路径下,小说保存名称(string)
text - 章节内容(string)
Returns:
无
Modify:
2017-05-06
"""
def Writer(self, name, path, text):
write_flag = True
with open(path, 'a', encoding='utf-8') as f:
f.write(name + '\n\n')
for each in text:
if each == 'h':
write_flag = False
if write_flag == True and each != ' ':
f.write(each)
if write_flag == True and each == '\r':
f.write('\n')
f.write('\n\n')
if __name__ == "__main__":
print("\n\t\t欢迎使用《笔趣看》小说下载小工具\n\n\t\t作者:Jack-Cui\t时间:2017-05-06\n")
print("*************************************************************************")
#小说地址
target_url = str(input("请输入小说目录下载地址:\n"))
#实例化下载类
d = download(target = target_url)
name, numbers, url_dict = d.get_download_url()
if name in os.listdir():
os.remove(name)
index = 1
#下载中
print("《%s》下载中:" % name[:-4])
for key, value in url_dict.items():
d.Writer(key, name, d.Downloader(value))
sys.stdout.write("已下载:%.3f%%" % float(index/numbers) + '\r')
sys.stdout.flush()
index += 1
print("《%s》下载完成！" % name[:-4])