使用python抓取北京/广州摇号网站公布结果，并解析pdf到文本 并写入数据库 写入oracle使用sqlldr命令导入 写入mysql则直接insert（好像太多的数据executemany执行不了，所以切成小块执行）

beijing_personal_201310.dat

beijing,personal,201310,1,6998102285168,刘宇宸
beijing,personal,201310,2,5491100633292,王良
beijing,personal,201310,3,3446103258689,王墨

bjhjydScraper.py

#!/usr/bin/env python
# -*- coding:utf8 -*-

# 抓取北京摇号公布结果并转换成格式化的文本，使用sqlldr导入到Oracle数据库
# Require beautifulsoup, pdfminer
# Author: telen telen.telen@gmail.com
# Date: 2013-10-23

import os
import urllib2
import urllib
from bs4 import BeautifulSoup
import subprocess

from parsePdfViaPdfminer import PdfParser


urls  = ['http://www.bjhjyd.gov.cn/jggb/index.html', 'http://jtzl.gzjt.gov.cn/index/gbl/']
visit = []
new_pdf = []
pdf_md5 = {}    # 文件名对应md5字典

dbname = 'db'
host = '10.2.134.58'
pwd = '123456'
user = 'user'

def scrapUrlsBeijing():
    # 伪装浏览器agent
    headers = {'User-Agent':'Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.1.6) Gecko/20091201 Firefox/3.5.6'}

    req     = urllib2.Request(urls[0], headers=headers)
    content = urllib2.urlopen(req).read()
    soup    = BeautifulSoup(content)

    for tag in soup.findAll('a', {"class":"text"}):
        #print 'tag text:' + tag.getText().encode('utf8')
        if '个人指标'.decode('utf8') in tag.getText():
            print tag.getText().strip().encode('utf8'), tag['href']
            visit.append(tag['href'])

def scrapUrlsGuangzhou():
    # 伪装浏览器agent
    headers = {'User-Agent':'Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.1.6) Gecko/20091201 Firefox/3.5.6'}

    req     = urllib2.Request(urls[1], headers=headers)
    content = urllib2.urlopen(req).read()
    soup    = BeautifulSoup(content)

    for tag in soup.findAll('a', {"class":"text"}):
        #print 'tag text:' + tag.getText().encode('utf8')
        if '指标配置结果'.decode('utf8') in tag.getText():
            print tag.getText().strip().encode('utf8'),tag['href']
            visit.append(tag['href'])

# 解析下载页面并下载pdf
# TODO 验证md5
def downloadPdf(url):
    loadsoup = BeautifulSoup(urllib2.urlopen(url))
    tags     = loadsoup.find('div', {'class':'details'})
    pdfurl   = tags.find('a')['href']
    pdfname  = pdfurl[pdfurl.rindex('/')+1:]
    # save md5 text
    if pdfname not in pdf_md5:
        pdf_md5[pdfname] = tags.find('p').getText()[13:].encode('utf8')

    print pdfurl

    # if new, then download. 如果新文件，下载，否则文件已经存在不下载
    if pdfname not in [f for f in os.listdir('./files/bj/') if os.path.isfile(os.path.join('./files/bj/',f))]:
        print "new file, download..."
        urllib.urlretrieve(pdfurl, 'files/bj/'+pdfname)
        new_pdf.append('files/bj/'+pdfname)

def downloadPdfGuangzhou(url):
    loadsoup = BeautifulSoup(urllib2.urlopen(url))
    tags     = loadsoup.find('div', {'class':'details'})
    
    pdfurl   = tags.findAll('a')
    for ourl in pdfurl:
        rurl = ourl['href']
        pdfname  = rurl[rurl.rindex('/')+1:]
        print pdfname
        # if new, then download. 如果新文件，下载，否则文件已经存在不下载
        if pdfname not in [f for f in os.listdir('./files/gz/') if os.path.isfile(os.path.join('./files/gz/',f))]:
            print "new file, download..."
            urllib.urlretrieve(rurl, 'files/gz/'+pdfname)
            new_pdf.append('files/gz/'+pdfname)

def load2db(file):
    """ Load formatted file to oracle database via oracle's sqlldr command."""
    # use the subprocess modual to execute sqlldr command, with parameters
    print file
    subprocess.call(['sqlldr', 'userid=×××/×××@host/orcl', \
        'control=import.ctl', 'errors=9999', 'data='+file])

def chunks(l, n):
    return [l[i:i+n] for i in range(0, len(l), n)]

def load2mysql(conn, file_d):
    """ load to mysql """
    with open(file_d) as f:
        lines = f.readlines()
        for slict in chunks(lines, 500):
            try:
                conn.cursor().executemany("""insert into opg_navi_carlottery(city, type, term, reqindex, reqcode, reqname)
                    values(%s, %s, %s, %s, %s, %s);""", map(tuple, map((lambda x: x.strip().split(",")), slict)) )
                conn.commit()
            except:
                conn.rollback()
        f.close()


if __name__ == '__main__':

    sqlldr_cmd = 'sqlldr userid=×××/×××@host/orcl control=${LOGDIR1}/import.ctl errors=9999 \
        log=${LOGDIR}/${DIR}/vf_tmp.log bad=${LOGDIR}/${DIR}/vf_tmp.bad data="${LOGDIR}/${DIR}/vf.log.${YEST}"'

    if not os.path.exists("files/bj"):
        os.makedirs("files/bj")
    if not os.path.exists("files/gz"):
        os.makedirs("files/gz")

    try:
        #scrapUrlsBeijing()
        scrapUrlsGuangzhou()
    except Exception, e:
        raise e

    for url in visit:
        #downloadPdf(url)
        downloadPdfGuangzhou(url)

    pdfParser = PdfParser()
    # loop all pdf files
    """
    for pdf_file in [f for f in os.listdir('./files/bj/') if os.path.isfile(os.path.join('./files',f))]:
        data_file = pdfParser.parsePdf("files/" + pdf_file)
        print data_file
        #load2db(data_file)
    """

    conn = MySQLdb.connect("10.2.134.58", user, pwd, dbname, charset='utf8')

    # loop new pdf files
    while len(new_pdf):
        data_file = pdfParser.parsePdf(new_pdf.pop())
        print data_file
        #load2mysql(conn, data_file)
        #load2db(data_file)
 
    conn.close()
    #print pdf_md5
    print "Fin."

parsePdfViaPdfminer.py

#!/usr/bin/env python
# -*- coding:utf8 -*-

# 抓取北京摇号公布结果并转换成格式化的文本，使用sqlldr导入到Oracle数据库
# Require beautifulsoup, pdfminer
# Author: telen telen.telen@gmail.com
# Date: 2013-10-23

import os
import re
from pdfminer.pdfparser import PDFParser, PDFDocument
from pdfminer.pdfinterp import PDFResourceManager, PDFPageInterpreter
from pdfminer.pdfdevice import PDFDevice
from pdfminer.layout import LAParams
from pdfminer.converter import PDFPageAggregator


class PdfParser(object):
    """ Parse A pdf file to text."""
    def __init__(self, data_dir="files/loadfiles", p=re.compile('\d+\s{6}\d{13}\s{6}\W+'), \
        city='beijing', q_type='personal'):
        self.data_dir = data_dir
        self.p        = p
        self.city     = city
        self.q_type   = q_type

    def parsePdf(self, pdf_file):
        """ Parse a file to text and format and write to text file,
        prepare to sqlldr(Oracle) command """
        # Open a PDF file.
        fb     = open(pdf_file, 'rb')
        # Create a PDF parser object associate with the file object.
        parser = PDFParser(fb)
        # Create a PDF document object that stores the document structure.
        doc    = PDFDocument()
        # Connect the parser and document objects.
        parser.set_document(doc)
        doc.set_parser(parser)
        # Supply the password for initialization
        # (If no password is set, given an empty string.)
        doc.initialize('')
        # Check if the document allows text extraction. If not, abort.
        if not doc.is_extractable:
            raise PDFTextExtractionNotAllowed
        # Create a PDF resource manage object that stores shared resources.
        rsrcmgr     = PDFResourceManager()
        # Creatre a PDF device object.
        #device      = PDFDevice(rsrcmgr)
        # Set parameter for analysis.
        laparams    = LAParams()
        # Create a PDF page aggregator object.
        device      = PDFPageAggregator(rsrcmgr, laparams=laparams)
        # Create a PDF interpreter object.
        interpreter = PDFPageInterpreter(rsrcmgr, device)

        # first, create folder
        if not os.path.exists(self.data_dir):
            os.makedirs(self.data_dir)
        f         = object
        term_code = ''
        detect_city = True
        # Precess each page contained in the document.
        for page in doc.get_pages():
            #print page
            interpreter.process_page(page)
            # receive the LTPage object for the page.
            layout = device.get_result()
            for pg_obj in layout:
                for box_obj in pg_obj:
                    line = box_obj.get_text().encode('utf8').strip()
                    
                    if detect_city:
                        if '北京市' in line:
                            self.city = 'beijing'
                            detect_city = False
                        elif '广州市' in line:
                            self.city = 'guangzhou'
                            detect_city = False

                    if '单位指标配置' in line or '单位普通指标配置' in line or '单位节能指标配置' in line:
                        self.q_type = 'company'
                    elif '个人指标配置' in line or '个人普通指标配置' in line or '个人节能指标配置' in line:
                        self.q_type = 'personal'
                    if '分期编号' in line:
                        term_code = line[-6:]
                        f = open(self.data_dir + '/' + self.city + '_' + self.q_type + '_' + term_code + '.dat', 'w')
                        print 'term code:' + line[-6:]
                    # quta lists
                    m = self.p.match(line)
                    if m:
                        formated_line = self.city +',' + self.q_type + ',' + term_code + \
                            ',' + ','.join(m.group().split('      ')) + '\n'
                        #print formated_line
                        f.write(formated_line)
                    #print ','.join(line.split("      "))
            break

        with fb:
            fb.close()
        with f:
            f.close()

        print "DONE."
        return self.data_dir + '/' + self.city + '_' + self.q_type + '_' + term_code + '.dat'

if __name__ == '__main__':
    pdfParser = PdfParser()
    pdfParser.parsePdf("files/1298687736510.pdf")