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allahabad.py
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allahabad.py
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import utils
import tempfile
import urllib
import re
import os
class Allahabad(utils.BaseCourt):
def __init__(self, name, rawdir, metadir, statsdir, updateMeta = False):
utils.BaseCourt.__init__(self, name, rawdir, metadir, statsdir, updateMeta)
self.baseurl = 'http://elegalix.allahabadhighcourt.in'
self.dateurl = urllib.basejoin(self.baseurl, '/elegalix/WebStartJudgmentDateSearch.do')
self.cookiefile = tempfile.NamedTemporaryFile()
def post_data(self, parsedD, dateobj):
postdata = [('highCourtBenchCode', 'X'), \
('fromDay', '%d' % dateobj.day), \
('fromMonth', '%d' % dateobj.month), \
('fromYear', '%d' % dateobj.year), \
('toDay', '%d' % dateobj.day), \
('toMonth', '%d' % dateobj.month), \
('toYear', '%d' % dateobj.year) \
]
inputobjs = parsedD.findAll('input')
for inputobj in inputobjs:
postdata.append((inputobj.name, inputobj.value))
return postdata
def parse_result_page(self, posturl, webpage, dateobj):
judgments = []
d = utils.parse_webpage(webpage)
if not d:
self.logger.error(u'Could not parse result page %s' % dateobj)
return judgments
# get judgments
trs = d.findAll('tr')
for tr in trs:
judgment = {}
metainfo = { 'date': utils.date_to_xml(dateobj)}
links = tr.findAll('a')
for link in links:
href = link.get('href')
if href and re.search('WebShowJudgment.do', href):
t = utils.get_tag_contents(link)
colon = t.find(':')
if colon:
title = t[colon+1:]
title = title.strip()
metainfo['title'] = title
reobj = re.search(' vs\. ', title, re.IGNORECASE)
if reobj:
metainfo['petitioner'] = title[:reobj.start()]
metainfo['respondent'] = title[reobj.end():]
if href and re.search('WebDownloadJudgmentDocument.do', href):
judgment['link'] = urllib.basejoin(posturl, href)
if judgment:
judgment['metainfo'] = metainfo
judgments.append(judgment)
# next link
links = d.findAll('a')
for link in links:
t = utils.get_tag_contents(link)
if re.search('Next', t):
href = link.get('href')
if href:
judgment = {'link': urllib.basejoin(posturl, href)}
judgment['next'] = True
judgments.append(judgment)
return judgments
def download_oneday(self, relpath, dateobj):
dls = []
webpage = self.download_url(self.dateurl, savecookies = \
self.cookiefile.name)
d = utils.parse_webpage(webpage)
if not d:
self.logger.error(u'Could not parse date search page')
return dls
forms = d.findAll('form')
action = None
for form in forms:
if form.get('name') == 'WebJudgmentDateSearchForm':
action = form.get('action')
break
if not action:
self.logger.error(u'Could not find date search form')
return dls
posturl = urllib.basejoin(self.baseurl, action)
postdata = self.post_data(d, dateobj)
webpage = self.download_url(posturl, postdata = postdata, \
loadcookies = self.cookiefile.name)
dls = self.dl_result_page(relpath, posturl, webpage, dateobj, {})
return dls
def dl_result_page(self, relpath, posturl, webpage, dateobj, recursed):
dls = []
judgments = self.parse_result_page(posturl, webpage, dateobj)
for judgment in judgments:
if judgment.has_key('next') and \
not recursed.has_key(judgment['link']):
self.logger.info(u'Recursing %s' % judgment['link'])
recursed[judgment['link']] = 1
webpage = self.download_url(judgment['link'], \
loadcookies = self.cookiefile.name)
dls.extend(self.dl_result_page(relpath, posturl, webpage, \
dateobj, recursed))
elif not judgment.has_key('next'):
self.logger.info(u'Processing judgment %s' % judgment['link'])
relurl = self.get_judgment(relpath, judgment)
if relurl:
dls.append(relurl)
else:
self.logger.warning(u'Did not download %s' % \
judgment['link'])
return dls
def get_judgment(self, relpath, judgment):
relurl = None
reobj = re.search('judgmentID=(?P<id>\d+)', judgment['link'])
if not reobj:
self.logger.warning(u'No judgment id in %s' % judgment['link'])
else:
judgmentId = reobj.groupdict()['id']
relurl = os.path.join(relpath, judgmentId)
filepath = os.path.join(self.rawdir, relurl)
metapath = os.path.join(self.metadir, relurl)
if not os.path.exists(filepath):
pdfdoc = self.download_url(judgment['link'], \
loadcookies = self.cookiefile.name)
if pdfdoc:
utils.save_file(filepath, pdfdoc)
self.logger.info(u'Saved %s' % relurl)
else:
self.logger.info(u'Did not download %s' % judgment['link'])
if os.path.exists(filepath) and \
(self.updateMeta or not os.path.exists(metapath)):
utils.print_tag_file(metapath, judgment['metainfo'])
self.logger.info(u'Saved metainfo %s' % relurl)
if not os.path.exists(filepath):
relurl = None
return relurl