python解析html之BeautifulSoup

# coding=utf-8
from BeautifulSoup import BeautifulSoup, Tag, NavigableString
from SentenceSpliter import SentenceSpliter
from os.path import basename,dirname,isdir,isfile
from os import makedirs
from shutil import copyfile
import io
import time
import re

class build_tpl:
def __init__(self,parse_file,build_tpl_name,cp_pic_dir,show_pic_dir,js_path,set_lang=2052):
'''参数说明：解析文件名，模版名称，保存图片路径，图片显示路径，js路径，当前语言（分句使用）'''

#取得解析文件目录路径
if len(dirname(parse_file))>1:
self.cur_dir = dirname(parse_file)+"/";
else:
self.cur_dir ="./";

#建立的模版文件文件名
self.build_tpl_name = build_tpl_name;
#图片cp到得目录
self.cp_pic_dir = cp_pic_dir;
#通过http展现图片的目录
self.show_pic_dir = show_pic_dir;
#加载js的路径
self.js_path = js_path;

#句段组
self.get_text_arr = [];
#当前图片名数组
self.cur_pic_arr = [];

#解析文件 取得soup 资源
self.soup = self.get_soup(parse_file);
#取得html文档中，段文档
self.get_text_arr = self.soup.body.findAll(text=lambda(x): len(x.strip()) > 0);
#取得句对
self.get_sentence_arr = self.parse_text(self.get_text_arr,set_lang);
#取得替换数组
self.replace_list = self.get_replace_list(self.get_text_arr,set_lang);
#取得图片数组
self.cur_pic_arr = self.soup.findAll('img');

#self.write_file_by_list("no.txt",self.get_text_arr);
#self.write_file_by_list("yes.txt",self.get_sentence_arr);

#保存词组到文件
def save_data_file(self):
file_name = self.build_tpl_name+".data";
self.write_file_by_list(file_name,self.get_data());
#取得词组
def get_data(self):
return self.get_sentence_arr;
#数组写入到文档
def write_file_by_list(self,file_name,write_arr):
file=io.FileIO(file_name,"w");
file.write(('\n'.join(write_arr)).encode('utf-8'));
file.close();
#字符串写入到文档
def write_file(self,file_name,file_contents):
file=io.FileIO(file_name,"w");
file.write(file_contents.encode('utf-8'));
file.close();
#建立图片hash目录
def get_pic_hash(self):
return time.strftime("%Y/%m/%d/");
#建立模版文件
def builder(self):
#没能发生替换的单词
bug_msg = [];
#进行内容模版替换
for i in range(len(self.get_text_arr)):
#替换
rep_str = "$rep_arr[{0}]".format(i);
try:
self.soup.body.find(text=self.get_text_arr[i]).replaceWith(self.replace_list[i]);
except AttributeError:
bug_msg.append(self.get_text_arr[i]);

#取得图片hash路径
hash_dir = self.get_pic_hash();
#构造展示图片路径
show_pic_dir = self.show_pic_dir+hash_dir;
#构造图片保存路径
cp_pic_dir = self.cp_pic_dir+hash_dir;

#判断保存图片的目录是否存在 不存在建立
if not isdir(cp_pic_dir):
makedirs(cp_pic_dir);

for pic_name in self.cur_pic_arr:
#进行图片路径替换
old_pic_src = pic_name['src'];
pic_name['src'] = show_pic_dir+old_pic_src;
#进行图片拷贝
cp_src_file = self.cur_dir+old_pic_src;
cp_dis_file = cp_pic_dir+old_pic_src;
copyfile(cp_src_file,cp_dis_file);

#建立bug信息的文档
#self.write_file_by_list("bug.txt",bug_msg);

#添加js
tag = Tag(self.soup,"script");
tag['type'] = "text/javascript";
tag['src'] =self.js_path+"jquery.js";

tag2 = Tag(self.soup,"script");
tag2['type'] = "text/javascript";
tag2['src'] =self.js_path+"init.js";

self.soup.head.insert(2,tag2);
self.soup.head.insert(2,tag);


#建立模版
self.write_file(self.build_tpl_name,self.soup);
#取得替换的html文件
def get_replace_html(self,rep_id,rep_data=""):
'''
参数说明：替换id，替换内容（为空的采用模版模式替换）
'''
if len(rep_data) > 0 :
rep_str = rep_data;
else:
rep_str = "$rep_arr[{0}]".format(rep_id);
return ""+rep_str+"";
#取得替换数组
def get_replace_list(self,text_arr,set_lang):
Sp = SentenceSpliter();
Sp.SetLang(set_lang);
temp_sentence = [];
jump_i = 0;
for text in text_arr:
SList = Sp.Split(text);
replace_temp = "";
if SList != None:
for item in SList:
replace_temp = replace_temp+self.get_replace_html(jump_i,item);
jump_i=jump_i+1;
else:
replace_temp = self.get_replace_html(jump_i,text);
jump_i=jump_i+1;
temp_sentence.append(replace_temp);
return temp_sentence;
#分句
def parse_text(self,text_arr,set_lang):
Sp = SentenceSpliter();
Sp.SetLang(set_lang);
temp_sentence = [];
for text in text_arr:
SList = Sp.Split(text);
if SList != None:
for item in SList:
temp_sentence.append(item);
else:
temp_sentence.append(text);

return temp_sentence;

#取得解析资源
def get_soup(self,parse_file):
try:
file=io.FileIO(parse_file,"r");
doc = file.readall();
file.close();
except IOError:
print 'ERROR: %s file not found!' %parse_file;
return False;
#开始解析html文档
return BeautifulSoup(''.join(doc));

if __name__ == "__main__":
from sys import argv, exit;

if len(argv) < 3:
print "USAGE: python %s " % argv[0]
exit(255);

if not isfile(argv[1]):
print "no such input file: %s" % argv[1]
exit(1)


paser_file = argv[1];#"html/testpic.html";
tpl_file = argv[2];
save_pic_path = argv[3];
show_pic_path = argv[4];
load_js_path = argv[5];
#解析开始 设置解析文件，模版名，图片保存路径，图片显示路径
so = build_tpl(paser_file,tpl_file,save_pic_path,show_pic_path,load_js_path);
#建立模版
so.builder();
#保存分句的句对
so.save_data_file();