def __init__(self): self.snoopy = Snoopy() self.mysql = MySqlUtil(chengpin_db)
class Chengpin(object):
def __init__(self):
self.snoopy = Snoopy()
self.mysql = MySqlUtil(chengpin_db)
#设置抓起客户端的编号，为了方便多个进程同时运行
def set_client(self, client_count, client_id):
try:
self.client_count = int(client_count)
self.client_id = int(client_id)
except:
self.client_count = 1
self.client_id = 1
def init_category_format(self):
category = {}
category["cate"] = ""
category["sub"] = ""
category["list"] = ""
category["page"] = "1"
category["text"] = ""
category["status"] = "0"
return category
#==============================================================================
# fetch_categorys : 抓取诚品书店的类别
#==============================================================================
def fetch_categorys(self):
category_urls = [
"http://www.eslite.com/category.aspx?cate=80", #中文
"http://www.eslite.com/category.aspx?cate=156", #外文
"http://www.eslite.com/category.aspx?cate=44" #儿童
]
categorys = []
for category_url in category_urls:
self.snoopy.fetch(category_url)
html = self.snoopy.results
reg_pattern = re.compile("\r")
html = str_repalce(html, reg_pattern, "")
reg_pattern = re.compile("\n")
html = str_repalce(html, reg_pattern, "")
reg_pattern = re.compile(r'<a href="(newbook_list.aspx?.*?)">(.*?)</a>')
category_strs = reg_pattern.findall(html)
for category_str in category_strs:
try:
category = self.init_category_format()
params = url_decode(category_str[0])
category["cate"] = params["cate"]
category["sub"] = params["sub"]
category["list"] = params["list"]
category["text"] = category_str[1].strip().decode("utf8")
categorys.append(category)
except:
pass
return categorys
def save_categorys(self, categorys):
categorys_str = ""
for category in categorys:
if categorys_str:
categorys_str = "%s , ('%s', '%s', '%s', '%s', '%s', '%s')" % (categorys_str, category["cate"], category["sub"], category["list"], category["page"], category["text"], category["status"])
else:
categorys_str = "('%s', '%s', '%s', '%s', '%s', '%s')" % (category["cate"], category["sub"], category["list"], category["page"], category["text"], category["status"])
if categorys_str:
sql_str = "INSERT IGNORE category(`cate`, `sub`, `list`, `page`, `text`, `status`) VALUES %s;" % categorys_str
print sql_str
self.mysql.update(sql_str)
def get_category(self):
client_count = self.client_count
client_id = self.client_id - 1
sql_str = "SELECT `cate`, `sub`, `list`, `page`, `text` FROM `category` WHERE `status`=0 AND id%s%s=%s ORDER BY `id` ASC LIMIT 1;" % ("%", str(client_count), str(client_id))
rows = self.mysql.query(sql_str, ["cate","sub","list","page", "text"])
for row in rows:
row["page"] = int(row["page"])
return row
return False
def update_category_status(self, category, status):
sql_str = "update category set `page`='%s', `status`='%s' where `cate`='%s' and `sub`='%s' and `list`='%s';" \
% (category["page"], str(status), category["cate"], category["sub"], category["list"])
print sql_str
self.mysql.update(sql_str)
#==============================================================================
# fetch_book_id : 抓取某个小分类的图书的id
#==============================================================================
def fetch_books_id(self, category):
for page in range(category["page"], 26, 1):
category_url = "http://www.eslite.com/newbook_list.aspx?cate=%s&sub=%s&list=%s&page=%s" \
% (category["cate"], category["sub"], category["list"], str(category["page"]))
self.snoopy.fetch(category_url)
html = self.snoopy.results
reg_pattern = re.compile(r'pgid=(\d+)')
books_id = reg_pattern.findall(html)
books_id = {}.fromkeys(books_id).keys()
self.save_books_id(books_id, category)
print u"%s %s页:%s" % (category["text"], str(category["page"]), str(len(books_id)))
category["page"] = page
self.update_category_status(category, 0)
if len(books_id) < 10:
break
self.update_category_status(category, 1)
def save_books_id(self, books_id, category):
books_str = ""
for book_id in books_id:
if books_str:
books_str = "%s, ('%s', '%s', '%s', '%s', '')" % (books_str, book_id, category["cate"], category["sub"], category["list"])
else:
books_str = "('%s', '%s', '%s', '%s', '')" % (book_id, category["cate"], category["sub"], category["list"])
if books_str:
sql_str = "INSERT IGNORE book_abs(`book_id`, `cate`, `sub`, `list`, `html`) VALUES %s;" % books_str
print sql_str
self.mysql.update(sql_str)
def get_book_url(self, book_abs):
return ""
def update_fetch_status_fail(self, name, year):
status = 2
sql_str = "UPDATE `publisher` SET `status`=%s WHERE `name`='%s' AND `year`=%s;" % \
(status, self.db.escape_string(name), str(year))
print sql_str
self.db.update(sql_str)
def get_book_html(self, book_abs):
sql_str = "select html from book_abs where book_id='%s';" % (book_abs["book_id"])
rows = self.mysql.query(sql_str, ["html"])
for row in rows:
return filter_r_and_n(row["html"])
return False
def fetch_book(self, book_abs):
book = self.init_book()
book["url"] = "http://www.eslite.com/product.aspx?pgid=%s" % book_abs["book_id"]
book["book_id"] = book_abs["book_id"]
html = self.get_book_html(book_abs)
if html:
book = self.prase_book(book, html)
self.save_book(book)
self.update_book_abs_status(book_abs)
#==============================================================================
# prase_books_abstract : 从html中匹配书简介
#==============================================================================
def prase_books_abstract(self, html):
books = []
reg_pattern = re.compile(r"makeDetailUrl\(this, '/search/showDocDetails\?', '(.*?)', '(.*?)', '(.*?)'\);")
book_matchs = reg_pattern.findall(html)
for book_match in book_matchs:
book = self.init_book_abstract()
book["book_id"] = book_match[0]
book["src"] = book_match[1]
book["publisher"] = book_match[2]
books.append(book)
print book["book_id"], book["src"], book["publisher"]
return books
def prase_book(self, book, html):
reg_pattern = re.compile(u'<h1>(.*?)</h1>')
match = reg_pattern.search(html)
if match:
book["name"] = match.group(1)
book["name"] = filter_tags(book["name"])
book["name"] = filter_r_and_n(book["name"])
reg_pattern = re.compile(u'<div class="PI_info">(.*?)</div>')
match = reg_pattern.search(html)
if match:
book_info_str = match.group(1)
#作者
reg_pattern = re.compile(u'<h3 class="PI_item">作者(.*?)</h3>')
match = reg_pattern.search(book_info_str)
if match:
book["author"] = match.group(1)
book["author"] = filter_tags(book["author"])
book["author"] = filter_r_and_n(book["author"])
book["author"] = book["author"].replace(" ／ ", "")
#出版社
reg_pattern = re.compile(u'<h3 class="PI_item">出版社(.*?)</h3>')
match = reg_pattern.search(book_info_str)
if match:
book["press"] = match.group(1)
book["press"] = filter_tags(book["press"])
book["press"] = filter_r_and_n(book["press"])
book["press"] = book["press"].replace(" ／ ", "")
#出版日期
reg_pattern = re.compile(u'<h3 class="PI_item">出版日期(.*?)</h3>')
match = reg_pattern.search(book_info_str)
if match:
book["publictime"] = match.group(1)
book["publictime"] = filter_tags(book["publictime"])
book["publictime"] = filter_r_and_n(book["publictime"])
book["publictime"] = book["publictime"].replace(" ／ ", "")
#定价
reg_pattern = re.compile(u'<h3 class="PI_item">定價(.*?)</h3>')
match = reg_pattern.search(book_info_str)
if match:
book["price"] = match.group(1)
book["price"] = filter_tags(book["price"])
book["price"] = filter_r_and_n(book["price"])
book["price"] = book["price"].replace(" ／ ", "")
#售价
reg_pattern = re.compile(u'<h3 class="PI_item">售價(.*?)</h3>')
match = reg_pattern.search(book_info_str)
if match:
book["sell_price"] = match.group(1)
book["sell_price"] = filter_tags(book["sell_price"])
book["sell_price"] = filter_r_and_n(book["sell_price"])
book["sell_price"] = book["sell_price"].replace(" ／ ", "")
#裝訂
reg_pattern = re.compile(u'class="PI_item">裝訂(.*?)<')
match = reg_pattern.search(book_info_str)
if match:
book["print"] = match.group(1)
book["print"] = filter_tags(book["print"])
book["print"] = filter_r_and_n(book["print"])
book["print"] = book["print"].replace(" ／ ", "")
#商品語言
reg_pattern = re.compile(u'class="PI_item">商品語言(.*?)<')
match = reg_pattern.search(book_info_str)
if match:
book["language"] = match.group(1)
book["language"] = filter_tags(book["language"])
book["language"] = filter_r_and_n(book["language"])
book["language"] = book["language"].replace(" ／ ", "")
#詳細資料
reg_pattern = re.compile(u'<div class="C_box"><h2>詳細資料</h2>(.*?)</div>')
match = reg_pattern.search(html)
if match:
book_info_str = match.group(1)
book_info_str = filter_tags(book_info_str)
book_info_str = book_info_str.replace("\t", "")
reg_pattern = re.compile(u'ISBN 13 ／(\d+)')
match = reg_pattern.search(book_info_str)
if match:
book["isbn"] = match.group(1)
reg_pattern = re.compile(u'頁數／(\d+)')
match = reg_pattern.search(book_info_str)
if match:
book["pagecnt"] = match.group(1)
#目录
reg_pattern = re.compile(u'<div id="ctl00_ContentPlaceHolder1_Product_info_more1_catelog" class="C_box" style="display:none;">(.*?)</div>')
match = reg_pattern.search(html)
if match:
book["menu"] = filter_tags(match.group(1))
book["menu"] = book["menu"].replace("本書目錄", "")
return book
#作者介绍
reg_pattern = re.compile(u'<div id="ctl00_ContentPlaceHolder1_Product_info_more1_all_character" class="C_box" style="display:none;">(.*?)</div>')
match = reg_pattern.search(html)
if match:
book["authordesc"] = filter_tags(match.group(1))
book["authordesc"] = book["authordesc"].replace("作者介紹", "")
#内容接受
reg_pattern = re.compile(u'<div id="ctl00_ContentPlaceHolder1_Product_info_more1_introduction" class="C_box" style="display:block;">(.*?)</div>')
match = reg_pattern.search(html)
if match:
book["desc"] = filter_tags(match.group(1))
book["desc"] = book["desc"].replace("內容簡介", "")
#媒体推荐
reg_pattern = re.compile(u'<div id="ctl00_ContentPlaceHolder1_Product_info_more1_medium" class="C_box" style="display:none;">(.*?)</div>')
match = reg_pattern.search(html)
if match:
book["meidum"] = filter_tags(match.group(1))
book["meidum"] = book["meidum"].replace("媒體推薦", "")
#得獎紀錄
reg_pattern = re.compile(u'<div id="ctl00_ContentPlaceHolder1_Product_info_more1_award" class="C_box" style="display:none;">(.*?)</div>')
match = reg_pattern.search(html)
if match:
book["award"] = filter_tags(match.group(1))
book["award"] = book["award"].replace("得獎紀錄", "")
return book
#==============================================================================
# update_fetch_status : 保存抓取进度
#==============================================================================
def update_fetch_status(self, name, year, page=1, success=False):
if success:
status = 1
else:
status = 0
sql_str = "UPDATE `publisher` SET `page`=%s, `status`=%s WHERE `name`='%s' AND `year`=%s;" % \
(str(page), status, self.db.escape_string(name), str(year))
print sql_str
self.db.update(sql_str)
#==============================================================================
# get_publister : 获得一个出版社
#==============================================================================
def get_publisher(self):
client_count = self.client_count
client_id = self.client_id - 1
sql_str = "SELECT `id`, `name`, `year`, `page` from `publisher` WHERE `status`=0 AND id%s%s=%s ORDER BY `year` ASC LIMIT 1;" % ("%", str(client_count), str(client_id))
rows = self.db.query(sql_str, ["id","name","year","page"])
for row in rows:
print row["id"]
publisher = {}
publisher["name"] = row["name"]
publisher["year"] = int(row["year"])
publisher["page"] = int(row["page"])
return publisher
return False
def get_publisher_by_id(self, id):
sql_str = "SELECT `name`, `year`, `page` from `publisher` WHERE `status`=0 AND `id`=%s;" % (str(id))
rows = self.db.query(sql_str, ["name","year","page"])
for row in rows:
publisher = {}
publisher["name"] = row["name"]
publisher["year"] = int(row["year"])
publisher["page"] = int(row["page"])
return publisher
return False
def init_publisher(self):
return
for id in range(27, 2351, 1):
publisher = self.get_publisher_by_id(id)
year_str = ""
for year in range(1971, 2013, 1):
if year_str:
year_str = "%s, ('%s', %s)" % (year_str, self.db.escape_string(publisher["name"]), str(year))
else:
year_str = "('%s', %s)" % (self.db.escape_string(publisher["name"]), str(year))
print id
if year_str:
sql_str = "INSERT IGNORE publisher(`name`, `year`) VALUES %s;" % (year_str)
self.db.update(sql_str)
def get_book_abs(self, status):
client_count = self.client_count
client_id = self.client_id - 1
sql_str = "SELECT book_id FROM `book_abs` WHERE `status`=%s AND id%s%s = %s LIMIT 1;" % (str(status), "%",str(client_count), str(client_id))
rows = self.mysql.query(sql_str, ["book_id"])
for row in rows:
return row
return False
def fetch_book_html(self, book_abs):
book_url = "http://www.eslite.com/product.aspx?pgid=%s" % book_abs["book_id"]
print book_url
self.snoopy.fetch(book_url)
html = self.snoopy.results
self.save_book_html(book_abs, html)
def save_book_html(self, book_abs, html):
html = self.mysql.escape_string(html)
sql_str = "update book_abs set html='%s', status=1 where book_id='%s';" % (html, book_abs["book_id"])
self.mysql.update(sql_str)
def init_book(self):
book = {}
book["book_id"] = "" #book_id
book["isbn"] = "" #isbn
book["category"] = ""
book["shortCategory"] = "" #分类
book["ztCategory"] = "" #中图分类号
book["name"] = "" #书名
book["author"] = "" #作者
book["authordesc"] = "" #介绍
book["price"] = "" #定价
book["sell_price"] = "" #售价
book["language"] = "" #语言
book["press"] = "" #出版社
book["print"] = "" #装订
book["publictime"] = "" #出版时间
book["pagecnt"] = 0 #页数
book["version"] = 0 #版本
book["printversion"] = 0#版本
book["desc"] = "" #摘要
book["url"] = "" #url
book["img"] = "" #图片
book["meidum"] = "" #媒体推荐
book["award"] = "" #得奖记录
book["menu"] = "" #目录
return book
def save_book(self, book):
for key in book.keys():
print key, book[key]
values_str = ""
keys_str = ""
for key in book.keys():
if book[key]:
if values_str:
values_str = "%s, '%s'" % (values_str, self.mysql.escape_string(str(book[key])))
keys_str = "%s, `%s`" % (keys_str, key)
else:
values_str = "'%s'" % (self.mysql.escape_string(str(book[key])))
keys_str = "`%s`" % (key)
sql_str = "INSERT IGNORE book(%s) VALUES (%s) on duplicate key update `isbn`='%s';" % (keys_str, values_str, book["isbn"])
print sql_str
self.mysql.update(sql_str)
def update_book_abs_status(self, book_abs):
sql_str = "UPDATE book_abs SET `status`=2 WHERE book_id='%s';" % \
(book_abs["book_id"])
self.mysql.update(sql_str)
