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#!/usr/bin/python
# -*- coding: utf-8 -*-
import psycopg2
import urllib2
import json
import string
import sys
import os.path
dbname = "postjournal"
dbtable = "journal"
f = open(os.path.expanduser('~/.nuug-fpj-pwd'), 'r')
password = f.readline().strip()
f.close()
#Define our connection string
conn_string = "host='sqldb.nuug.no' dbname='%s' user='pere' password='%s' sslmode='require'" % (dbname, password)
columns = {
'agency' : 'text NOT NULL',
'docdate' : 'date',
'docdesc' : 'text NOT NULL',
'doctype' : 'char(1) NOT NULL',
'casedesc' : 'text',
'casedocseq' : 'integer NOT NULL',
'recipient' : 'text',
'sender' : 'text',
'caseid' : 'text',
'caseseqnr' : 'integer NOT NULL',
'caseyear' : 'integer NOT NULL',
'exemption' : 'text',
'journalid' : 'text',
'journalseqnr' : 'integer',
'journalyear' : 'integer',
'recorddate' : 'date',
'scraper' : 'text',
'scrapedurl' : 'text',
'scrapestamputc' : 'timestamp without time zone NOT NULL',
}
# print the connection string we will use to connect
def db_connect():
print "Connecting to database\n ->%s" % (conn_string)
try:
# get a connection, if a connect cannot be made an exception
# will be raised here
conn = psycopg2.connect(conn_string)
# conn.cursor will return a cursor object, you can use this
# cursor to perform queries
cursor = conn.cursor()
print "Connected!\n"
except:
# Get the most recent exception
exceptionType, exceptionValue, exceptionTraceback = sys.exc_info()
# Exit the script and print an error telling what happened.
sys.exit("Database connection failed!\n ->%s" % (exceptionValue))
return (conn, cursor)
def jsonurl(scraper, lastscrapestamputc):
limit = 10000
limit = 350
return "https://api.scraperwiki.com/"+\
"api/1.0/datastore/sqlite?format=json&name=" + scraper +\
"&query=select+*+from+%60swdata%60+where+scrapestamputc+>+"+\
"'%s'+order+by+scrapestamputc+limit+%d" % (lastscrapestamputc, limit)
def create_table(dbconn, dbcursor):
print "Remove old %s table" % dbtable
dbcursor.execute("DROP TABLE " + dbtable)
print "Create new table"
s = map((lambda colname: colname + " " + columns[colname]), columns)
dbcursor.execute("CREATE TABLE "+dbtable+" (" + string.join(s,",") + ")")
dbconn.commit()
print "Add unique index"
dbcursor.execute("CREATE UNIQUE INDEX " + dbtable + "_unique " + \
"ON " + dbtable + " (agency, caseyear, caseseqnr, casedocseq, journalyear, journalseqnr)")
dbconn.commit()
def insert_entry(dbcursor, entry):
# Columns that can not be NULL
mustcols = {
'agency' : 1,
'docdesc' : 1,
'doctype' : 1,
}
uniquecols1 = ['agency', 'caseyear', 'caseseqnr', 'casedocseq']
uniquecols2 = ['agency', 'journalyear', 'journalseqnr']
cols = []
args = []
for colname in columns.keys():
if colname in entry:
if 'casedocseq' == colname and -1 == entry['casedocseq']:
entry['casedocseq'] = None
if '' != entry[colname] or colname in mustcols:
cols.append(colname)
args.append(entry[colname])
inssql = "INSERT INTO "+dbtable+" ( " + string.join(cols, ",") + " ) " + \
"VALUES ( " + \
string.join(map((lambda colname: "%s"), args), ",") + " )"
# Make sure replacing work (as INSERT or REPLACE do not work with
# PostgreSQL) by removing the old entry if it exist.
if 'casedocseq' in entry and -1 != entry['casedocseq']:
delsql = "DELETE FROM " + dbtable + " WHERE " + \
string.join(map((lambda colname: colname + " = %s"), uniquecols1),
" and ")
uniquecols = uniquecols1
else:
delsql = "DELETE FROM " + dbtable + " WHERE " + \
string.join(map((lambda colname: colname + " = %s"), uniquecols2),
" and ")
uniquecols = uniquecols2
delargs = []
for colname in uniquecols:
delargs.append(entry[colname])
try:
dbcursor.execute(delsql, delargs)
dbcursor.execute(inssql, args)
except:
exceptionType, exceptionValue, exceptionTraceback = sys.exc_info()
print entry
print inssql
print exceptionType, exceptionValue, exceptionTraceback
exit(1)
# except psycopg2.IntegrityError, e:
# except psycopg2.DataError, e:
# print entry
# print sql
# print e
def populate_from_scraper(dbcursor, scraper):
lastscrapestamputc = ''
if True:
try:
sql = "SELECT MAX(scrapestamputc) FROM %s WHERE scraper = '%s'" % (dbtable, scraper)
# print sql
dbcursor.execute(sql, (scraper,))
res = dbcursor.fetchone()[0]
if res is not None:
status = "new"
lastscrapestamputc = res
lastscrapestamputc = lastscrapestamputc.isoformat().replace("+02:00", "+00:00").replace(" ", "T")
else:
status = "initial"
except psycopg2.DataError, e:
print "Failed" + e
exit(0)
url = jsonurl(scraper, lastscrapestamputc)
#print "Using " + url
data = json.load(urllib2.urlopen(url))
try:
if data['error']:
print "Error fetching data from " + scraper
return
except:
pass
print "Adding/updating " + str(len(data)) + " " + status + " entries"
for entry in data:
# Handle OEP scraper 2012-06-16
if not 'caseyear' in entry or entry['caseyear'] is None or \
not 'caseseqnr' in entry or entry['caseseqnr'] is None:
entry['caseyear'], entry['caseseqnr'] = entry['caseid'].split("/")
entry['scraper'] = scraper
# print entry
# Workaround for postliste-stortinget failing on some PDFs
if entry['doctype'] == u'Avs./mot:':
continue
try:
insert_entry(dbcursor, entry)
except:
print entry
raise
return len(data)
def verify_all_data_is_transfered(dbcursor, scraper):
sql = "SELECT COUNT(*) FROM %s WHERE scraper = '%s'" % (dbtable, scraper)
dbcursor.execute(sql, (scraper,))
res = dbcursor.fetchone()[0]
if res is not None:
sqlcount = res
url="https://api.scraperwiki.com/api/1.0/scraper/getinfo?format=jsondict&name=%s&version=-1" % scraper
jsondata = urllib2.urlopen(url)
data = json.load(jsondata)
swcount = data[0]['datasummary']['tables']['swdata']['count']
if swcount != sqlcount:
print "warning: %d records in SQL table do not match %d records in source (diff %d)" % (sqlcount, swcount, swcount - sqlcount)
def main():
dbconn, dbcursor = db_connect()
if False:
create_table(dbconn, dbcursor)
scrapers = [
# 'postliste-arendal', # Missing caseid, casedesc etc.
# 'postliste-lindesnes', # Missing caseid, casedesc etc.
# 'postliste-hvaler', # kommune # parsefeil
# 'postliste-hole', # Missing casedocseq
'postlist-ssb',
'postliste-ballangen', # kommune # Inconsistent dataset before 2006?
'postliste-difi',
'postliste-fredrikstad', # kommune
'postliste-hadsel', # kommune
'postliste-halden', # kommune
'postliste-hoegskolen-i-finnmark',
'postliste-hoegskolen-i-gjoevik',
'postliste-hoegskolen-i-hamar',
# 'postliste-hoegskolen-i-hedmark', # replaces -i-hamar
'postliste-hoegskolen-i-buskerud',
'postliste-hoegskolen-i-lillehammer',
'postliste-hoegskolen-i-nord-troendelag',
'postliste-hoegskolen-i-soer-troendelag',
'postliste-hoegskolen-i-telemark',
'postliste-hoegskolen-i-vestfold',
'postliste-hoegskolen-i-vestfold',
'postliste-hoegskolen-i-volda',
'postliste-kafjord-kommune',
'postliste-kristiansund', # kommune
'postliste-lier', # kommune
'postliste-loppa-kommune',
'postliste-luftambulanse',
'postliste-met',
'postliste-mrfylke',
'postliste-naroy', # kommune
'postliste-nih',
'postliste-npolar',
'postliste-ntnu',
'postliste-oep',
'postliste-oslo-bydel-ullern', # kommune
'postliste-oslo-gravferdsetaten', # kommune
'postliste-oslo-havn', # kommune
'postliste-ruter',
'postliste-saltdal', # kommune
'postliste-sivilombudsmannen',
'postliste-skogoglandskap',
'postliste-sogne', # kommune
'postliste-stavanger-universitetssjukehus',
'postliste-storfjord', # kommune
'postliste-stortinget',
'postliste-universitetet-i-agder',
'postliste-universitetet-i-oslo',
'postliste-universitetet-i-stavanger',
'postliste-universitetssykehuset-nord-norge',
]
for scraper in scrapers:
print "Moving data from " + scraper
while 100 < populate_from_scraper(dbcursor, scraper):
dbconn.commit()
dbconn.commit()
verify_all_data_is_transfered(dbcursor, scraper)
main()
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