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uttarakhand.py
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uttarakhand.py
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import re
import os
import datetime
import urllib
from cookielib import CookieJar
from basegazette import BaseGazette
import utils
class Uttarakhand(BaseGazette):
def __init__(self, name, storage):
BaseGazette.__init__(self, name, storage)
self.baseurl = 'http://gazettes.uk.gov.in/'
self.search_endp = 'searchgazette.aspx'
self.searchurl = urllib.basejoin(self.baseurl, self.search_endp)
self.hostname = 'gazettes.uk.gov.in'
self.start_date = datetime.datetime(2013, 1, 1)
def find_search_form(self, d):
search_form = None
forms = d.find_all('form')
for form in forms:
action = form.get('action')
if action == './%s' % self.search_endp or action == self.search_endp:
search_form = form
break
return search_form
def get_post_data(self, tags, dateobj):
postdata = []
today = datetime.date.today()
for tag in tags:
name = None
value = None
if tag.name == 'input':
name = tag.get('name')
value = tag.get('value')
t = tag.get('type')
if t == 'image':
continue
if name in['btnGono', 'btnOfficeName', 'btnreset']:
continue
elif tag.name == 'select':
name = tag.get('name')
if name == 'ddloffcode':
value = '0'
elif name == 'ddlcatcode':
value = '0'
elif name == 'ddldeptcode':
value = 'All Department'
elif name == 'ddlgodatefrom' or name == 'ddlgodateto':
value = utils.pad_zero(dateobj.day)
elif name == 'ddlgomonfrom' or name == 'ddlgomonto':
value = utils.pad_zero(dateobj.month)
elif name == 'ddlgoyearfrom' or name == 'ddlgoyearto':
value = utils.pad_zero(dateobj.year)
elif name == 'ddlfromdate_day' or name == 'ddlfromdate_mon':
value = '01'
elif name == 'ddlfromdate_year':
value = '2013'
elif name == 'ddltodate_date':
value = utils.pad_zero(today.day)
elif name == 'ddltodate_mon':
value = utils.pad_zero(today.month)
elif name == 'ddltodate_year':
value = utils.pad_zero(today.year)
if name:
if value == None:
value = u''
postdata.append((name, value))
return postdata
def get_search_form(self, webpage, dateobj):
if webpage == None:
self.logger.warn('Unable to download the starting search page for day: %s', dateobj)
return None
d = utils.parse_webpage(webpage, self.parser)
if d == None:
self.logger.warn('Unable to parse the search page for day: %s', dateobj)
return None
search_form = self.find_search_form(d)
return search_form
def get_form_data(self, webpage, dateobj):
search_form = self.get_search_form(webpage, dateobj)
if search_form == None:
self.logger.warn('Unable to get the search form for day: %s', dateobj)
return None
reobj = re.compile('^(input|select)$')
inputs = search_form.find_all(reobj)
postdata = self.get_post_data(inputs, dateobj)
return postdata
def download_oneday(self, relpath, dateobj):
dls = []
cookiejar = CookieJar()
response = self.download_url(self.baseurl, savecookies = cookiejar)
postdata = self.get_form_data(response.webpage, dateobj)
if postdata == None:
return dls
response = self.download_url(self.searchurl, savecookies = cookiejar, \
loadcookies = cookiejar, postdata = postdata)
if not response or not response.webpage:
self.logger.warn('Could not download search result for date %s', \
dateobj)
return dls
d = utils.parse_webpage(response.webpage, self.parser)
if not d:
self.logger.warn('Could not parse search result for date %s', \
dateobj)
return dls
minfos = self.get_metainfos(d, dateobj)
for metainfo in minfos:
if 'url' not in metainfo or 'notification_num' not in metainfo:
self.logger.warn('Ignoring %s', metainfo)
continue
filename, n = re.subn('[\s/]+', '_', metainfo['notification_num'])
relurl = os.path.join(relpath, filename)
if self.save_gazette(relurl, metainfo['url'], metainfo):
dls.append(relurl)
return dls
def get_metainfos(self, d, dateobj):
minfos = []
order = None
for table in d.find_all('table'):
if table.find('table'):
continue
for tr in table.find_all('tr'):
if not order:
order = self.get_field_order(tr)
continue
metainfo = self.process_row(tr, order, dateobj)
if metainfo:
minfos.append(metainfo)
if order:
break
return minfos
def get_field_order(self, tr):
order = []
for td in tr.find_all('td'):
txt = utils.get_tag_contents(td)
if txt and re.search('GO\s+No', txt):
order.append('notification_num')
elif txt and re.search('GO\s+Description', txt):
order.append('subject')
elif txt and re.search('Issued\s+by', txt):
order.append('issued_by')
else:
order.append('')
if 'notification_num' in order and 'subject' in order and \
'issued_by' in order:
return order
return None
def process_row(self, tr, order, dateobj):
metainfo = utils.MetaInfo()
metainfo.set_date(dateobj)
i = 0
for td in tr.find_all('td'):
if len(order) > i:
if order[i] in ['notification_num', 'subject', 'issued_by']:
txt = utils.get_tag_contents(td)
if txt:
metainfo[order[i]] = txt
i += 1
link = tr.find('a')
if link and link.get('href'):
href = link.get('href')
metainfo['url'] = urllib.basejoin(self.searchurl, href)
return metainfo