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parser.py
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parser.py
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#coding=utf-8
from lxml import etree
from lxml import html
from lxml.html.clean import Cleaner
import json
import os
import requests
import argparse
import csv
import time
import traceback
class htmlParser(object):
def __init__(self, config_file):
self.header={"Connection":"close"}
with open(config_file) as file:
config = json.load(file)
for key in config.keys():
setattr(self, key, config[key])
def parse_html(self, filename):
print(filename)
parser=etree.HTMLParser()
try:
tree=html.parse(filename)
except:
return False, ''
content={}
title=tree.xpath("//meta[@name='keywords']/@content")[0].replace('- TAAZE 讀冊生活','')
content['title']=title
prod_info=tree.xpath("//li//span")
for p in prod_info:
#print("p={}".format(p.text))
if p.text != None and '作者' in p.text:
for info in p.iter('a'):
author=info.text.replace('/著','').replace('/編著','').replace('/編', '').replace('/撰文','').replace('/總編輯','').replace('/繪','')
author=author.replace('/譯','').replace('/小說改編','').replace('/原著劇本','').replace('/資料提供','').replace('/企劃主編','')
author=author.replace('/改編','').replace('/原著','').replace('/口述','').replace('/作','').replace('/繪，文','').replace(' ','')
content['author']=author
elif p.text != None and '譯者' in p.text:
for info in p.iter('a'):
content['translator']=info.text
elif p.text != None and '出版社' in p.text:
for info in p.iter('a'):
content['publisher']=info.text
elif p.text != None and '出版日期' in p.text:
for info in p.iter('span'):
content['publish_date']=info.text
elif p.text != None and 'ISBN' in p.text:
for info in p.iter('span'):
content['ISBN_no']=info.text
elif p.text != None and '類別' in p.text:
content['genre']=[]
for info in tree.xpath('//li//span/following-sibling::span/a'):
if info.attrib.get('class')=='linkStyle02':
#print("info={}, {}".format(info.getparent().tag, info.text))
content['genre'].append(info.text)
tag_info=tree.xpath("//a[@class='tag']")
content['tag']=[]
for p in tag_info:
#print("p={}".format(p.text))
content['tag'].append(p.text)
brief_info=tree.xpath("//div[@id='prodPfDiv']")
desc=''
ad_word=['關鍵特色', '好評推薦', '作者簡介', '佳評如潮', '暢銷書', '本書特色']
if len(brief_info):
for child in brief_info[0]:
if child.text != None and '作者簡介' in child.text:
break
cleaner = Cleaner()
cleaner.remove_tags = ['p','br','span','font','b','center', 'u', 'strong']
innertext=etree.tostring(child, encoding='unicode', method='html').replace("<div>","").replace("</div>","")
cleaned=cleaner.clean_html(innertext)
if len(cleaned):
cleaned=cleaned.replace("<div>","").replace("</div>","")
ad_exist=False
for word in ad_word:
if word in cleaned:
ad_exist=True
if ad_exist==True:
break
desc += cleaned
content['description']=desc
head, tail=os.path.split(filename)
tazze_link='http://www.taaze.tw/sing.html?pid='+tail[:-5]
content['link']=[tazze_link]
#print("content={}".format(content))
if 'ISBN_no' not in content.keys():
content['ISBN_no']=tail[:-5]
filename="{}.json".format(content['ISBN_no'])
file_path=os.path.join(self.json_folder, filename)
output=open(file_path, "w")
output.write(json.dumps(content, ensure_ascii=False))
output.close()
return True, content['ISBN_no']
def download_html(self, pid):
url='http://www.taaze.tw/sing.html?pid='+str(pid)
r=requests.get(url, headers=self.header)
if r.status_code==200:
filename='{}.html'.format(pid)
output_file=os.path.join(self.html_folder, filename)
output=open(output_file, "wb")
output.write(r.content)
output.close()
return True
else:
return False
def download_img(self, pid, isbn):
large=False
small=False
url='http://media.taaze.tw/showLargeImage.html?sc='+str(pid)
r=requests.get(url, headers=self.header)
if r.status_code==200:
filename='{}.jpg'.format(isbn)
output_file=os.path.join(self.large_media_folder, filename)
output=open(output_file, "wb")
output.write(r.content)
output.close()
large=True
url='http://media.taaze.tw/showProdImage.html?sc='+str(pid)
r=requests.get(url, headers=self.header)
if r.status_code==200:
output_file=os.path.join(self.small_media_folder, filename)
output=open(output_file, "wb")
output.write(r.content)
output.close()
small=True
return large, small
def download_books_index(self, target, page_number):
for page in range(1, page_number+1):
url='http://www.books.com.tw/web/sys_bbotm/books/'+str(target)+'?o=1&v=1&page='+str(page)
r=requests.get(url, headers=self.header)
if r.status_code==200:
filename='{}_{}.html'.format(target, page)
output_file=os.path.join(self.books_index_folder, filename)
output=open(output_file, "wb")
output.write(r.content)
output.close()
def download_books_html(self):
try:
for dirPath, dirNames, fileNames in os.walk(self.books_link_folder):
for f in fileNames:
if '.json' in f:
filename="{}".format(os.path.join(dirPath, f))
file_handler=open(filename)
download_link=json.load(file_handler)
for link in download_link:
basename_index=link.rfind('/')
#loc_index=link.find('loc=')
link_filename=link[basename_index+1:]
filename='{}.html'.format(link_filename)
output_file=os.path.join(self.books_html_folder, filename)
if os.path.exists(output_file):
continue
r=requests.get(link, headers=self.header)
if r.status_code==200:
output=open(output_file, "wb")
output.write(r.content)
output.close()
time.sleep(5)
print("{} complete!".format(f))
except Exception as e:
time.sleep(60)
def parse_books_index(self, filename):
parser=etree.HTMLParser()
try:
tree=html.parse(filename)
except:
return False
download_link=[]
item_list=tree.xpath("//div[@class='item']")
for item in item_list:
item_info=item.iter('a')
for info in item_info:
#print(info.attrib.get('href'))
download_link.append(info.attrib.get('href'))
break
filename=filename[:-5]+'.json'
filename=os.path.basename(filename)
output_file=os.path.join(self.books_link_folder, filename)
output=open(output_file, "w")
output.write(json.dumps(download_link))
output.close()
return True
def parse_books_html(self, filename):
parser=etree.HTMLParser()
try:
tree=html.parse(filename)
except:
return False, '', False
try:
content={}
title=tree.xpath("//title")[0]
if title==None:
return False, '', False
content['title']=title.text.replace('博客來-', '')
property_info=tree.xpath("//meta[@name='description']")[0].attrib.get('content')
property_list=property_info.split("，")
for item in property_list:
if 'ISBN' in item:
content['ISBN_no']=item[5:]
elif '出版社' in item:
content['publisher']=item[4:]
elif '作者' in item:
content['author']=item[3:]
elif '譯者' in item:
content['translator']=item[3:]
elif '出版日期' in item:
content['publish_date']=item[5:].replace('/','-')
genre_info=tree.xpath("//div[@class='mod_b type02_m058 clearfix']//ul[@class='sort']")
for p in genre_info:
content['genre']=[]
for item in p.iter('a'):
content['genre'].append(item.text)
brief_info=tree.xpath("//div[@itemprop='description']")
desc=''
ad_word=['關鍵特色', '好評推薦', '作者簡介', '佳評如潮', '暢銷書', '本書特色']
if len(brief_info):
for child in brief_info[0]:
if child.text != None and '作者簡介' in child.text:
break
cleaner = Cleaner()
cleaner.remove_tags = ['p','br','span','font','b','center','u','strong']
innertext=etree.tostring(child, encoding='unicode', method='html').replace("<div>","").replace("</div>","").replace("\u3000",'').replace('\n','').replace('\r', '')
cleaned=cleaner.clean_html(innertext)
if len(cleaned):
cleaned=cleaned.replace("<div>","").replace("</div>","")
desc += cleaned
content['description']=desc
head, tail=os.path.split(filename)
loc_idx=tail.find('loc=')
pid=tail[:loc_idx-1]
content['link']=['http://www.books.com.tw/products/'+tail[:-5]]
if 'ISBN_no' not in content.keys():
content['ISBN_no']=pid
#download image
img_link=tree.xpath("//meta[@property='og:image']")[0].attrib.get('content')
r=requests.get(img_link, headers=self.header)
image_status=False
if r.status_code==200:
filename='{}.jpg'.format(content['ISBN_no'])
output_file=os.path.join(self.books_img_folder, filename)
if not os.path.exists(output_file):
output=open(output_file, "wb")
output.write(r.content)
output.close()
image_status=True
filename="{}.json".format(content['ISBN_no'])
file_path=os.path.join(self.books_json_folder, filename)
output=open(file_path, "w")
output.write(json.dumps(content, ensure_ascii=False))
output.close()
return True, content['ISBN_no'], image_status
except Exception as e:
print(filename)
print(traceback.format_exc())
return False, '', False
def parse_books_index_folder(self):
for dirPath, dirNames, fileNames in os.walk(self.books_index_folder):
for f in fileNames:
if '.html' in f:
filename="{}".format(os.path.join(dirPath, f))
status=self.parse_books_index(filename)
def parse_books_html_folder(self):
status_output=open(project_config['books_parse_status_csv'], 'a')
writer = csv.DictWriter(status_output, fieldnames=['filename', 'isbn', 'status', 'image'])
for dirPath, dirNames, fileNames in os.walk(self.books_html_folder):
for f in fileNames:
if '.html' in f:
filename="{}".format(os.path.join(dirPath, f))
parse_status, isbn, image_status=self.parse_books_html(filename)
writer.writerow({'filename':f, 'isbn':isbn, "status":parse_status, "image":image_status})
status_output.close()
if __name__=="__main__":
arg_parser = argparse.ArgumentParser()
arg_parser.add_argument('-t', '--task', metavar='parse', type=str, nargs=1, required=True,
help='Specify a task to do. (parse)')
args = arg_parser.parse_args()
if args.task!=None:
task=args.task[0]
with open('config.json') as file:
project_config=json.load(file)
parser=htmlParser("config.json")
root_dir=os.path.dirname(os.path.abspath(__file__))
if task=='parse':
status_output=open(project_config['parse_status_csv'], 'a')
writer = csv.DictWriter(status_output, fieldnames=['pid','isbn', 'status'])
for pid in range(project_config['start'], project_config['end']):
ISBN=''
filename="{}.html".format(pid)
filepath=os.path.join(project_config['html_folder'], filename)
if os.path.exists(filepath):
status, ISBN=parser.parse_html(filepath)
else:
status=False
writer.writerow({"pid":pid, 'isbn':ISBN, "status":status})
status_output.close()
elif task=='download':
status_output=open(project_config['download_status_csv'], 'a')
writer = csv.DictWriter(status_output, fieldnames=['pid','status'])
for pid in range(project_config['start'], project_config['end']):
status=parser.download_html(pid)
writer.writerow({"pid":pid, "status":status})
time.sleep(1)
status_output.close()
elif task=='image':
status_output=open(project_config['image_status_csv'], 'a')
isbn_input=open(project_config['parse_status_csv'], 'r')
reader=csv.DictReader(isbn_input)
writer=csv.DictWriter(status_output, fieldnames=['pid','isbn','large','small'])
for row in reader:
pid=int(row['pid'])
if row['status']=='True' and pid in range(project_config['start'], project_config['end']):
large, small=status=parser.download_img(row['pid'], row['isbn'])
writer.writerow({"pid":row['pid'], 'isbn':row['isbn'], "large":large, 'small':small})
time.sleep(0.1)
status_output.close()
isbn_input.close()
elif task=='parse_test':
filename="{}.html".format(project_config['test_pid'])
filepath=os.path.join(project_config['html_folder'], filename)
if os.path.exists(filepath):
status, ISBN=parser.parse_html(filepath)
else:
status=False
print("parse test={}".format(status))
elif task=='download_books_index':
books_target_list=project_config['books_folder_list']
for target in books_target_list:
parser.download_books_index(target, books_target_list[target])
elif task=='parse_books_index_folder':
result=parser.parse_books_index_folder()
print(result)
elif task=='download_books_html':
parser.download_books_html()
elif task=='parse_books_html':
filename='/Users/ling/Documents/books/html/0010358341?loc=P_003_095.html'
parser.parse_books_html(filename)
elif task=="parse_books_html_folder":
parser.parse_books_html_folder()
else:
print("no match job!")