python类xpath()的实例源码

def get_file_urls(mainUrl,extension):
    uniFileUrls = []
    if not mainUrl.lower().startswith('http://') and not mainUrl.lower().startswith('https://'):
        mainUrl = 'http://%s'%mainUrl
    print('Downloading from %s...'%mainUrl)
    if extension.startswith('*'):
        extension = extension[1:]
    if not extension.startswith('.'):
        extension = '.' + extension
    req = urllib.request.Request(
        mainUrl, 
        data=None, 
        headers={
            'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/35.0.1916.47 Safari/537.36'
        }
    )
    urlContent = urllib.request.urlopen(req).read().decode('utf-8')
    html = lxml.html.fromstring(urlContent) 
    urls = html.xpath('//a/@href')
    for url in urls:
        if url.endswith(extension):
            url = urljoin(mainUrl,url)
            if url not in uniFileUrls:
                uniFileUrls.append(url)
    return uniFileUrls

def get_file_urls(mainUrl,extension):
    uniFileUrls = []
    if not mainUrl.lower().startswith('http://') and not mainUrl.lower().startswith('https://'):
        mainUrl = 'http://%s'%mainUrl
    print('Downloading from %s...'%mainUrl)
    if extension.startswith('*'):
        extension = extension[1:]
    if not extension.startswith('.'):
        extension = '.' + extension
    req = urllib.request.Request(
        mainUrl, 
        data=None, 
        headers={
            'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/35.0.1916.47 Safari/537.36'
        }
    )
    urlContent = urllib.request.urlopen(req).read().decode('utf-8')
    html = lxml.html.fromstring(urlContent) 
    urls = html.xpath('//a/@href')
    for url in urls:
        if url.endswith(extension):
            url = urljoin(mainUrl,url)
            if url not in uniFileUrls:
                uniFileUrls.append(url)
    return uniFileUrls

def latest_content(url):
    '''
        ??????????
    Parameter
    --------
        url:????

    Return
    --------
        string:?????????
    '''
    try:
        html = lxml.html.parse(url)
        res = html.xpath('//div[@id=\"artibody\"]/p')
        if ct.PY3:
            sarr = [etree.tostring(node).decode('utf-8') for node in res]
        else:
            sarr = [etree.tostring(node) for node in res]
        sarr = ''.join(sarr).replace('　', '')#.replace('\n\n', '\n').
        html_content = lxml.html.fromstring(sarr)
        content = html_content.text_content()
        return content
    except Exception as er:
        print(str(er))

def _guba_content(url):
    try:
        html = lxml.html.parse(url)
        res = html.xpath('//div[@class=\"ilt_p\"]/p')
        if ct.PY3:
            sarr = [etree.tostring(node).decode('utf-8') for node in res]
        else:
            sarr = [etree.tostring(node) for node in res]
        sarr = ''.join(sarr).replace('　', '')#.replace('\n\n', '\n').
        html_content = lxml.html.fromstring(sarr)
        content = html_content.text_content()
        ptime = html.xpath('//div[@class=\"fl_left iltp_time\"]/span/text()')[0]
        rcounts = html.xpath('//div[@class=\"fl_right iltp_span\"]/span[2]/text()')[0]
        reg = re.compile(r'\((.*?)\)') 
        rcounts = reg.findall(rcounts)[0]
        return [content, ptime, rcounts]
    except Exception:
        return ['', '', '0']

def _today_ticks(symbol, tdate, pageNo, retry_count, pause):
    ct._write_console()
    for _ in range(retry_count):
        time.sleep(pause)
        try:
            html = lxml.html.parse(ct.TODAY_TICKS_URL % (ct.P_TYPE['http'],
                                                         ct.DOMAINS['vsf'], ct.PAGES['t_ticks'],
                                                         symbol, tdate, pageNo
                                ))  
            res = html.xpath('//table[@id=\"datatbl\"]/tbody/tr')
            if ct.PY3:
                sarr = [etree.tostring(node).decode('utf-8') for node in res]
            else:
                sarr = [etree.tostring(node) for node in res]
            sarr = ''.join(sarr)
            sarr = '<table>%s</table>'%sarr
            sarr = sarr.replace('--', '0')
            df = pd.read_html(StringIO(sarr), parse_dates=False)[0]
            df.columns = ct.TODAY_TICK_COLUMNS
            df['pchange'] = df['pchange'].map(lambda x : x.replace('%', ''))
        except Exception as e:
            print(e)
        else:
            return df
    raise IOError(ct.NETWORK_URL_ERROR_MSG)

def get_releasenote(html_source):
    html = lxml.html.fromstring(html_source)
    versions_dates = html.xpath("//*[contains(@class, 'app-version-block')]//h5")
    releasenotes = []
    for version_date in versions_dates:
        try:
            date = datetime.datetime.strptime(re.search('\((.+?)\)', version_date.text).group(1), '%b %d, %Y')
            version = re.search(r'Version (.+?) \(', version_date.text).group(1)
            try:
                note = version_date.getnext()
                note = re.sub(b"[\r\n]+", b".", etree.tostring(note, pretty_print=True))
                note = re.sub(b"<br />", b".", note)
                note = re.sub(b"<br/>", b".", note)
                note = b'. '.join(re.findall(b'<p>(.+?)</p>', note))
            except:
                note = ''
            releasenotes.append({'date': date, 'version': version, 'note': note})
        except:
            pass
    # notes = html.xpath("//*[contains(@class, 'app-version-note')]")

    return releasenotes

def parseXMLxpathSearch(xml_source, xpathString):
#---------------------------------------------------------------------------------

    return_values = []

    try:
        root = etree.XML(xml_source)

        data_points = root.xpath(xpathString)

        for data in data_points:
            return_values.append(etree.tostring(data))
            data.clear()

    except:
        pass

    return return_values

#---------------------------------------------------------------------------------
# parse XML and return value asked (designed for errors via stdout)

def parseXMLxpathSearchSingle(xml_source, xpathString):
#---------------------------------------------------------------------------------

    return_values = []

    try:
        root = etree.XML(xml_source)

        data_points = root.xpath(xpathString)

        for data in data_points:
            return_values.append(data)
            data.clear()

    except:
        pass

    return return_values



#---------------------------------------------------------------------------------
# parse HTML and return value asked

def parseXMLxpathSearchAttribute(xml_source, xpathString):
#---------------------------------------------------------------------------------


    return_values = []

    try:
        root = etree.XML(xml_source)

        data_points = root.xpath(xpathString)

        for data in data_points:
            return_values.append(data)
            data.clear()
    except:
        pass

    return return_values




#---------------------------------------------------------------------------------
# parse HTML and return value asked

def parseHTMLxpathSearch(http_source, xpathString):
#---------------------------------------------------------------------------------

    return_values = []


    http_source= str(http_source).replace('\x00','')
    try:
        html = lxml.html.fromstring(http_source)

        for data in html.xpath(xpathString):
            return_values.append(etree.tostring(data.content))
            data.clear()

    except:
        pass

    return return_values



#---------------------------------------------------------------------------------
# parse HTML and return value asked

def __query_new_stocks(self):
        DATA_URL = 'http://vip.stock.finance.sina.com.cn/corp/view/vRPD_NewStockIssue.php?page=1&cngem=0&orderBy=NetDate&orderType=desc'
        html = lxml.html.parse(DATA_URL)
        res = html.xpath('//table[@id=\"NewStockTable\"]/tr')
        if six.PY2:
            sarr = [etree.tostring(node) for node in res]
        else:
            sarr = [etree.tostring(node).decode('utf-8') for node in res]
        sarr = ''.join(sarr)
        sarr = sarr.replace('<font color="red">*</font>', '')
        sarr = '<table>%s</table>' % sarr
        df = pd.read_html(StringIO(sarr), skiprows=[0, 1])[0]
        df = df.select(lambda x: x in [0, 1, 2, 3, 7], axis=1)
        df.columns = ['code', 'xcode', 'name', 'ipo_date', 'price']
        df['code'] = df['code'].map(lambda x: str(x).zfill(6))
        df['xcode'] = df['xcode'].map(lambda x: str(x).zfill(6))
        return df

def latest_content(url):
    '''
        ??????????
    Parameter
    --------
        url:????

    Return
    --------
        string:?????????
    '''
    try:
        html = lxml.html.parse(url)
        res = html.xpath('//div[@id=\"artibody\"]/p')
        if ct.PY3:
            sarr = [etree.tostring(node).decode('utf-8') for node in res]
        else:
            sarr = [etree.tostring(node) for node in res]
        sarr = ''.join(sarr).replace('　', '')#.replace('\n\n', '\n').
        html_content = lxml.html.fromstring(sarr)
        content = html_content.text_content()
        return content
    except Exception as er:
        print(str(er))

def _guba_content(url):
    try:
        html = lxml.html.parse(url)
        res = html.xpath('//div[@class=\"ilt_p\"]/p')
        if ct.PY3:
            sarr = [etree.tostring(node).decode('utf-8') for node in res]
        else:
            sarr = [etree.tostring(node) for node in res]
        sarr = ''.join(sarr).replace('　', '')#.replace('\n\n', '\n').
        html_content = lxml.html.fromstring(sarr)
        content = html_content.text_content()
        ptime = html.xpath('//div[@class=\"fl_left iltp_time\"]/span/text()')[0]
        rcounts = html.xpath('//div[@class=\"fl_right iltp_span\"]/span[2]/text()')[0]
        reg = re.compile(r'\((.*?)\)')
        rcounts = reg.findall(rcounts)[0]
        return [content, ptime, rcounts]
    except Exception:
        return ['', '', '0']

def _today_ticks(symbol, tdate, pageNo, retry_count, pause):
    ct._write_console()
    for _ in range(retry_count):
        time.sleep(pause)
        try:
            html = lxml.html.parse(ct.TODAY_TICKS_URL % (ct.P_TYPE['http'],
                                                         ct.DOMAINS['vsf'], ct.PAGES['t_ticks'],
                                                         symbol, tdate, pageNo
                                ))
            res = html.xpath('//table[@id=\"datatbl\"]/tbody/tr')
            if ct.PY3:
                sarr = [etree.tostring(node).decode('utf-8') for node in res]
            else:
                sarr = [etree.tostring(node) for node in res]
            sarr = ''.join(sarr)
            sarr = '<table>%s</table>'%sarr
            sarr = sarr.replace('--', '0')
            df = pd.read_html(StringIO(sarr), parse_dates=False)[0]
            df.columns = ct.TODAY_TICK_COLUMNS
            df['pchange'] = df['pchange'].map(lambda x : x.replace('%', ''))
        except Exception as e:
            print(e)
        else:
            return df
    raise IOError(ct.NETWORK_URL_ERROR_MSG)

def _dist_cotent(year, pageNo, retry_count, pause):
    for _ in range(retry_count):
        time.sleep(pause)
        try:
            if pageNo > 0:
                ct._write_console()
            html = lxml.html.parse(rv.DP_163_URL%(ct.P_TYPE['http'], ct.DOMAINS['163'],
                     ct.PAGES['163dp'], year, pageNo))  
            res = html.xpath('//div[@class=\"fn_rp_list\"]/table')
            if ct.PY3:
                sarr = [etree.tostring(node).decode('utf-8') for node in res]
            else:
                sarr = [etree.tostring(node) for node in res]
            sarr = ''.join(sarr)
            df = pd.read_html(sarr, skiprows=[0])[0]
            df = df.drop(df.columns[0], axis=1)
            df.columns = rv.DP_163_COLS
            df['divi'] = df['plan'].map(_fun_divi)
            df['shares'] = df['plan'].map(_fun_into)
            df = df.drop('plan', axis=1)
            df['code'] = df['code'].astype(object)
            df['code'] = df['code'].map(lambda x : str(x).zfill(6))
            pages = []
            if pageNo == 0:
                page = html.xpath('//div[@class=\"mod_pages\"]/a')
                if len(page)>1:
                    asr = page[len(page)-2]
                    pages = asr.xpath('text()')
        except Exception as e:
            print(e)
        else:
            if pageNo == 0:
                return df, pages[0] if len(pages)>0 else 0
            else:
                return df
    raise IOError(ct.NETWORK_URL_ERROR_MSG)

def _get_forecast_data(year, quarter, pageNo, dataArr):
    ct._write_console()
    try:
        html = lxml.html.parse(ct.FORECAST_URL%(ct.P_TYPE['http'], ct.DOMAINS['vsf'], 
                                                ct.PAGES['fd'], year, quarter, pageNo,
                                                ct.PAGE_NUM[1]))
        res = html.xpath("//table[@class=\"list_table\"]/tr")
        if ct.PY3:
            sarr = [etree.tostring(node).decode('utf-8') for node in res]
        else:
            sarr = [etree.tostring(node) for node in res]
        sarr = ''.join(sarr)
        sarr = sarr.replace('--', '0')
        sarr = '<table>%s</table>'%sarr
        df = pd.read_html(sarr)[0]
        df = df.drop([4, 5, 8], axis=1)
        df.columns = ct.FORECAST_COLS
        dataArr = dataArr.append(df, ignore_index=True)
        nextPage = html.xpath('//div[@class=\"pages\"]/a[last()]/@onclick')
        if len(nextPage)>0:
            pageNo = re.findall(r'\d+',nextPage[0])[0]
            return _get_forecast_data(year, quarter, pageNo, dataArr)
        else:
            return dataArr
    except Exception as e:
            print(e)

def _newstocks(data, pageNo, retry_count, pause):
    for _ in range(retry_count):
        time.sleep(pause)
        ct._write_console()
        try:
            html = lxml.html.parse(rv.NEW_STOCKS_URL%(ct.P_TYPE['http'],ct.DOMAINS['vsf'],
                         ct.PAGES['newstock'], pageNo))
            res = html.xpath('//table[@id=\"NewStockTable\"]/tr')
            if ct.PY3:
                sarr = [etree.tostring(node).decode('utf-8') for node in res]
            else:
                sarr = [etree.tostring(node) for node in res]
            sarr = ''.join(sarr)
            sarr = sarr.replace('<font color="red">*</font>', '')
            sarr = '<table>%s</table>'%sarr
            df = pd.read_html(StringIO(sarr), skiprows=[0, 1])[0]
            df = df.drop([df.columns[idx] for idx in [1, 12, 13, 14]], axis=1)
            df.columns = rv.NEW_STOCKS_COLS
            df['code'] = df['code'].map(lambda x : str(x).zfill(6))
            res = html.xpath('//table[@class=\"table2\"]/tr[1]/td[1]/a/text()')
            tag = '???' if ct.PY3 else unicode('???', 'utf-8')
            hasNext = True if tag in res else False 
            data = data.append(df, ignore_index=True)
            pageNo += 1
            if hasNext:
                data = _newstocks(data, pageNo, retry_count, pause)
        except Exception as ex:
            print(ex)
        else:
            return data

def get_notices(code=None, date=None):
    '''
    ??????
    Parameters
    --------
        code:????
        date:??????

    Return
    --------
        DataFrame??????
        title:????
        type:????
        date:????
        url:????URL
    '''
    if code is None:
        return None
    symbol = 'sh' + code if code[:1] == '6' else 'sz' + code
    url = nv.NOTICE_INFO_URL%(ct.P_TYPE['http'], ct.DOMAINS['vsf'],
                              ct.PAGES['ntinfo'], symbol)
    url = url if date is None else '%s&gg_date=%s'%(url, date)
    html = lxml.html.parse(url)
    res = html.xpath('//table[@class=\"body_table\"]/tbody/tr')
    data = []
    for td in res:
        title = td.xpath('th/a/text()')[0]
        type = td.xpath('td[1]/text()')[0]
        date = td.xpath('td[2]/text()')[0]
        url = '%s%s%s'%(ct.P_TYPE['http'], ct.DOMAINS['vsf'], td.xpath('th/a/@href')[0])
        data.append([title, type, date, url])
    df = pd.DataFrame(data, columns=nv.NOTICE_INFO_CLS)
    return df

def _parse_fq_data(url, index, retry_count, pause):
    for _ in range(retry_count):
        time.sleep(pause)
        try:
            request = Request(url)
            text = urlopen(request, timeout=10).read()
            text = text.decode('GBK')
            html = lxml.html.parse(StringIO(text))
            res = html.xpath('//table[@id=\"FundHoldSharesTable\"]')
            if ct.PY3:
                sarr = [etree.tostring(node).decode('utf-8') for node in res]
            else:
                sarr = [etree.tostring(node) for node in res]
            sarr = ''.join(sarr)
            df = pd.read_html(sarr, skiprows = [0, 1])[0]
            if len(df) == 0:
                return pd.DataFrame()
            if index:
                df.columns = ct.HIST_FQ_COLS[0:7]
            else:
                df.columns = ct.HIST_FQ_COLS
            if df['date'].dtypes == np.object:
                df['date'] = df['date'].astype(np.datetime64)
            df = df.drop_duplicates('date')
        except Exception as e:
            print(e)
        else:
            return df
    raise IOError(ct.NETWORK_URL_ERROR_MSG)

def _cap_tops(last=5, pageNo=1, retry_count=3, pause=0.001, dataArr=pd.DataFrame()):   
    ct._write_console()
    for _ in range(retry_count):
        time.sleep(pause)
        try:
            request = Request(rv.LHB_SINA_URL%(ct.P_TYPE['http'], ct.DOMAINS['vsf'], rv.LHB_KINDS[0],
                                               ct.PAGES['fd'], last, pageNo))
            text = urlopen(request, timeout=10).read()
            text = text.decode('GBK')
            html = lxml.html.parse(StringIO(text))
            res = html.xpath("//table[@id=\"dataTable\"]/tr")
            if ct.PY3:
                sarr = [etree.tostring(node).decode('utf-8') for node in res]
            else:
                sarr = [etree.tostring(node) for node in res]
            sarr = ''.join(sarr)
            sarr = '<table>%s</table>'%sarr
            df = pd.read_html(sarr)[0]
            df.columns = rv.LHB_GGTJ_COLS
            dataArr = dataArr.append(df, ignore_index=True)
            nextPage = html.xpath('//div[@class=\"pages\"]/a[last()]/@onclick')
            if len(nextPage)>0:
                pageNo = re.findall(r'\d+', nextPage[0])[0]
                return _cap_tops(last, pageNo, retry_count, pause, dataArr)
            else:
                return dataArr
        except Exception as e:
            print(e)

def _inst_tops(last=5, pageNo=1, retry_count=3, pause=0.001, dataArr=pd.DataFrame()):   
    ct._write_console()
    for _ in range(retry_count):
        time.sleep(pause)
        try:
            request = Request(rv.LHB_SINA_URL%(ct.P_TYPE['http'], ct.DOMAINS['vsf'], rv.LHB_KINDS[2],
                                               ct.PAGES['fd'], last, pageNo))
            text = urlopen(request, timeout=10).read()
            text = text.decode('GBK')
            html = lxml.html.parse(StringIO(text))
            res = html.xpath("//table[@id=\"dataTable\"]/tr")
            if ct.PY3:
                sarr = [etree.tostring(node).decode('utf-8') for node in res]
            else:
                sarr = [etree.tostring(node) for node in res]
            sarr = ''.join(sarr)
            sarr = '<table>%s</table>'%sarr
            df = pd.read_html(sarr)[0]
            df = df.drop([2,3], axis=1)
            df.columns = rv.LHB_JGZZ_COLS
            dataArr = dataArr.append(df, ignore_index=True)
            nextPage = html.xpath('//div[@class=\"pages\"]/a[last()]/@onclick')
            if len(nextPage)>0:
                pageNo = re.findall(r'\d+', nextPage[0])[0]
                return _inst_tops(last, pageNo, retry_count, pause, dataArr)
            else:
                return dataArr
        except Exception as e:
            print(e)

def _inst_detail(pageNo=1, retry_count=3, pause=0.001, dataArr=pd.DataFrame()):   
    ct._write_console()
    for _ in range(retry_count):
        time.sleep(pause)
        try:
            request = Request(rv.LHB_SINA_URL%(ct.P_TYPE['http'], ct.DOMAINS['vsf'], rv.LHB_KINDS[3],
                                               ct.PAGES['fd'], '', pageNo))
            text = urlopen(request, timeout=10).read()
            text = text.decode('GBK')
            html = lxml.html.parse(StringIO(text))
            res = html.xpath("//table[@id=\"dataTable\"]/tr")
            if ct.PY3:
                sarr = [etree.tostring(node).decode('utf-8') for node in res]
            else:
                sarr = [etree.tostring(node) for node in res]
            sarr = ''.join(sarr)
            sarr = '<table>%s</table>'%sarr
            df = pd.read_html(sarr)[0]
            df.columns = rv.LHB_JGMX_COLS
            dataArr = dataArr.append(df, ignore_index=True)
            nextPage = html.xpath('//div[@class=\"pages\"]/a[last()]/@onclick')
            if len(nextPage)>0:
                pageNo = re.findall(r'\d+', nextPage[0])[0]
                return _inst_detail(pageNo, retry_count, pause, dataArr)
            else:
                return dataArr
        except Exception as e:
            print(e)

def _get_report_data(year, quarter, pageNo, dataArr):
    ct._write_console()
    try:
        request = Request(ct.REPORT_URL%(ct.P_TYPE['http'], ct.DOMAINS['vsf'], ct.PAGES['fd'],
                         year, quarter, pageNo, ct.PAGE_NUM[1]))
        print(ct.REPORT_URL%(ct.P_TYPE['http'], ct.DOMAINS['vsf'], ct.PAGES['fd'],
                         year, quarter, pageNo, ct.PAGE_NUM[1]))
        text = urlopen(request, timeout=10).read()
        text = text.decode('GBK')
        text = text.replace('--', '')
        html = lxml.html.parse(StringIO(text))
        res = html.xpath("//table[@class=\"list_table\"]/tr")
        if ct.PY3:
            sarr = [etree.tostring(node).decode('utf-8') for node in res]
        else:
            sarr = [etree.tostring(node) for node in res]
        sarr = ''.join(sarr)
        sarr = '<table>%s</table>'%sarr
        df = pd.read_html(sarr)[0]
        df = df.drop(11, axis=1)
        df.columns = ct.REPORT_COLS
        dataArr = dataArr.append(df, ignore_index=True)
        nextPage = html.xpath('//div[@class=\"pages\"]/a[last()]/@onclick')
        if len(nextPage)>0:
            pageNo = re.findall(r'\d+', nextPage[0])[0]
            return _get_report_data(year, quarter, pageNo, dataArr)
        else:
            return dataArr
    except Exception as e:
        print(e)

def _get_profit_data(year, quarter, pageNo, dataArr):
    ct._write_console()
    try:
        request = Request(ct.PROFIT_URL%(ct.P_TYPE['http'], ct.DOMAINS['vsf'],
                                              ct.PAGES['fd'], year,
                                              quarter, pageNo, ct.PAGE_NUM[1]))
        text = urlopen(request, timeout=10).read()
        text = text.decode('GBK')
        text = text.replace('--', '')
        html = lxml.html.parse(StringIO(text))
        res = html.xpath("//table[@class=\"list_table\"]/tr")
        if ct.PY3:
            sarr = [etree.tostring(node).decode('utf-8') for node in res]
        else:
            sarr = [etree.tostring(node) for node in res]
        sarr = ''.join(sarr)
        sarr = '<table>%s</table>'%sarr
        df = pd.read_html(sarr)[0]
        df.columns=ct.PROFIT_COLS
        dataArr = dataArr.append(df, ignore_index=True)
        nextPage = html.xpath('//div[@class=\"pages\"]/a[last()]/@onclick')
        if len(nextPage)>0:
            pageNo = re.findall(r'\d+', nextPage[0])[0]
            return _get_profit_data(year, quarter, pageNo, dataArr)
        else:
            return dataArr
    except:
        pass

def _get_operation_data(year, quarter, pageNo, dataArr):
    ct._write_console()
    try:
        request = Request(ct.OPERATION_URL%(ct.P_TYPE['http'], ct.DOMAINS['vsf'],
                                                 ct.PAGES['fd'], year,
                                                 quarter, pageNo, ct.PAGE_NUM[1]))
        text = urlopen(request, timeout=10).read()
        text = text.decode('GBK')
        text = text.replace('--', '')
        html = lxml.html.parse(StringIO(text))
        res = html.xpath("//table[@class=\"list_table\"]/tr")
        if ct.PY3:
            sarr = [etree.tostring(node).decode('utf-8') for node in res]
        else:
            sarr = [etree.tostring(node) for node in res]
        sarr = ''.join(sarr)
        sarr = '<table>%s</table>'%sarr
        df = pd.read_html(sarr)[0]
        df.columns=ct.OPERATION_COLS
        dataArr = dataArr.append(df, ignore_index=True)
        nextPage = html.xpath('//div[@class=\"pages\"]/a[last()]/@onclick')
        if len(nextPage)>0:
            pageNo = re.findall(r'\d+', nextPage[0])[0]
            return _get_operation_data(year, quarter, pageNo, dataArr)
        else:
            return dataArr
    except Exception as e:
        print(e)

def _get_debtpaying_data(year, quarter, pageNo, dataArr):
    ct._write_console()
    try:
        request = Request(ct.DEBTPAYING_URL%(ct.P_TYPE['http'], ct.DOMAINS['vsf'],
                                                  ct.PAGES['fd'], year,
                                                  quarter, pageNo, ct.PAGE_NUM[1]))
        text = urlopen(request, timeout=10).read()
        text = text.decode('GBK')
        html = lxml.html.parse(StringIO(text))
        res = html.xpath("//table[@class=\"list_table\"]/tr")
        if ct.PY3:
            sarr = [etree.tostring(node).decode('utf-8') for node in res]
        else:
            sarr = [etree.tostring(node) for node in res]
        sarr = ''.join(sarr)
        sarr = '<table>%s</table>'%sarr
        df = pd.read_html(sarr)[0]
        df.columns = ct.DEBTPAYING_COLS
        dataArr = dataArr.append(df, ignore_index=True)
        nextPage = html.xpath('//div[@class=\"pages\"]/a[last()]/@onclick')
        if len(nextPage)>0:
            pageNo = re.findall(r'\d+', nextPage[0])[0]
            return _get_debtpaying_data(year, quarter, pageNo, dataArr)
        else:
            return dataArr
    except Exception as e:
        print(e)

def _get_cashflow_data(year, quarter, pageNo, dataArr):
    ct._write_console()
    try:
        request = Request(ct.CASHFLOW_URL%(ct.P_TYPE['http'], ct.DOMAINS['vsf'],
                                                ct.PAGES['fd'], year,
                                                quarter, pageNo, ct.PAGE_NUM[1]))
        text = urlopen(request, timeout=10).read()
        text = text.decode('GBK')
        text = text.replace('--', '')
        html = lxml.html.parse(StringIO(text))
        res = html.xpath("//table[@class=\"list_table\"]/tr")
        if ct.PY3:
            sarr = [etree.tostring(node).decode('utf-8') for node in res]
        else:
            sarr = [etree.tostring(node) for node in res]
        sarr = ''.join(sarr)
        sarr = '<table>%s</table>'%sarr
        df = pd.read_html(sarr)[0]
        df.columns = ct.CASHFLOW_COLS
        dataArr = dataArr.append(df, ignore_index=True)
        nextPage = html.xpath('//div[@class=\"pages\"]/a[last()]/@onclick')
        if len(nextPage)>0:
            pageNo = re.findall(r'\d+', nextPage[0])[0]
            return _get_cashflow_data(year, quarter, pageNo, dataArr)
        else:
            return dataArr
    except Exception as e:
        print(e)

def _parse_fq_data(url, index, retry_count, pause):
    for _ in range(retry_count):
        time.sleep(pause)
        try:
            request = Request(url)
            text = urlopen(request, timeout=10).read()
            text = text.decode('GBK')
            html = lxml.html.parse(StringIO(text))
            res = html.xpath('//table[@id=\"FundHoldSharesTable\"]')

            sarr = [etree.tostring(node) for node in res]
            sarr = ''.join(sarr)
            if sarr == '':
                return None
            df = pd.read_html(sarr, skiprows = [0, 1])[0]
            if len(df) == 0:
                return pd.DataFrame()
            if index:
                df.columns = ct.HIST_FQ_COLS[0:7]
            else:
                df.columns = ct.HIST_FQ_COLS
            if df['date'].dtypes == np.object:
                df['date'] = df['date'].astype(np.datetime64)
            df = df.drop_duplicates('date')
        except ValueError as e:
            # ????????????
            return None
        except Exception as e:
            print(e)
        else:
            return df
    raise IOError(ct.NETWORK_URL_ERROR_MSG)

def parse_venues(venue_types) :

    methods = {'conf' : clean_conf,
                         'journals' : clean_journal}

    venues = []
    for venue_type in venue_types :

        folder = config.DATA + ("venues/html/%s/" % venue_type)
        print "\nProcessing folder '%s'" % folder

        for file_name in os.listdir(folder) :
            print "  '%s'" % file_name

            with open(os.path.join(folder, file_name), 'r') as file :
                lines = file.readlines()

            # Get the line of interest and parse it as an HTML
            html = lxml.html.fromstring(lines[16])

            for item in html.xpath("//div[@id='browse-%s-output']//li/a" % venue_type) :
                process_method = methods[venue_type]

                name = process_method(item.text_content())
                venues.append((name, venue_type))


    print "%d venues." % len(venues)
    return venues

def parseCDATA(xml_source, xpathString):
#---------------------------------------------------------------------------------

    return_values = []

    print(xml_source)
    root = etree.fromstring(xml_source)
    for log in root.xpath(xpathString):
        return_values.append(str(log.text))

    return return_values