我正在尝试使用 ScraperWiki 抓取此 PDF。当前代码给我一个错误,名称为“数据”未定义,但我收到错误
elif int(el.attrib['left']) < 647: data['Neighborhood'] = el.text
如果我将该行注释掉,我的 else 语句也会出现同样的错误。
这是我的代码
import scraperwiki
import urllib2, lxml.etree
#Pull Mondays
url = 'http://www.city.pittsburgh.pa.us/police/blotter/blotter_monday.pdf'
pdfdata = urllib2.urlopen(url).read()
xmldata = scraperwiki.pdftoxml(pdfdata)
root = lxml.etree.fromstring(xmldata)
# how many pages in PDF
pages = list(root)
print "There are",len(pages),"pages"
# Test Scrape of only Page 1 of 29
for page in pages[0:1]:
for el in page:
if el.tag == "text":
if int(el.attrib['left']) < 11: data = { 'Report Name': el.text }
elif int(el.attrib['left']) < 317: data['Location of Occurrence'] = el.text
elif int(el.attrib['left']) < 169: data['Incident Time'] = el.text
elif int(el.attrib['left']) < 647: data['Neighborhood'] = el.text
elif int(el.attrib['left']) < 338: data['Description'] = el.text
else:
data['Zone'] = el.text
print data
我究竟做错了什么?
任何更好的解决方案的建议也将不胜感激。