def handle(self, **options):
try:
f = open(os.path.join(settings.ROOT_PATH,'data','content.utf8.csv'),"rb")
f.readline()
transaction.enter_transaction_management()
transaction.managed(True)
i = 0
items_per_transaction = 10
transaction_count = 0
try:
i = get_counter('import_content_line')
except:
pass
try:
last_position = get_counter('import_content')
print 'starting from: %s' % last_position
f.seek(int(last_position))
except:
f.readline()
print 'coulnd not find last position starting from first line'
pass
for row in f:
row = unicode(row)
row = row.strip()
row = row.split(';')
print row
i += 1
if i % items_per_transaction == 0:
transaction.commit()
transaction_count += 1
write_counter('import_content', f.tell())
write_counter('import_content_line', i)
print 'commited %s transaction, line: %s' % (transaction_count, i)
except KeyboardInterrupt:
transaction.rollback()
exit()
def handle(self, **options):
try:
f = open(os.path.join(settings.ROOT_PATH,'data','content.utf8.csv'),"rb")
f.readline()
transaction.enter_transaction_management()
transaction.managed(True)
i = 0
items_per_transaction = 10
transaction_count = 0
try:
i = get_counter('import_content_line')
except:
pass
try:
last_position = get_counter('import_content')
print 'starting from: %s' % last_position
f.seek(int(last_position))
except:
f.readline()
print 'coulnd not find last position starting from first line'
pass
for row in f:
row = unicode(row)
row = row.strip()
row = row.split(';')
print row
i += 1
if i % items_per_transaction == 0:
transaction.commit()
transaction_count += 1
write_counter('import_content', f.tell())
write_counter('import_content_line', i)
print 'commited %s transaction, line: %s' % (transaction_count, i)
except KeyboardInterrupt:
transaction.rollback()
exit()
def handle(self, **options):
'''
Sample data:
groupid|hit_title|requester_name|requester_id|description|keywords|qualifications|hit_expiration_date|time_allotted|reward|hits_available|time_crawled|crawl_id|pageNo|inpage_position|dollars
CW18RQ8BPZWWMWY3DY4Z|Validate the addresses. Great bonus |Product Search|A28JEQTWH76JDT|Given the list of addresses and it's site URL, please verify whether the given addresses exists in the site or not. [ Note: Bonus and Reward Details: 1). For each validated address you will get $0.02 as bonus. Suppose if the input file contains 10 addresses and you have validated all of them then you will get $0.2(i.e., 10*0.02) as bonus + $0.01 as reward. ]|reward, online, shopping, web, quality, testing, relevance, search, engine, US, India, browse, hit |HIT approval rate (%) is not less than 80 |Aug 26, 2009 (33 weeks) |1 day 12 hours|$0.01|295|2009-01-07 14:00:05|1|2|5|0.01
HitGroupContent:
group_id = models.CharField('Group ID', max_length=50, db_index=True, unique=True)
group_id_hashed = models.BooleanField(default=False)
requester_id = models.CharField('Requester ID', max_length=50, db_index=True)
requester_name = models.CharField('Requester Name', max_length=500)
reward = models.FloatField('Reward')
html = models.TextField('HTML', max_length=100000000)
description = models.TextField('Description', max_length=1000000)
title = models.CharField('Title', max_length=500)
keywords = models.CharField('Keywords', blank=True, max_length=500, null=True)
qualifications = models.CharField('Qualifications', blank=True, max_length=500, null=True)
occurrence_date = models.DateTimeField('First occurrence date', blank=True, null=True, db_index=True)
time_alloted = models.IntegerField('Time alloted')
first_crawl = models.ForeignKey(Crawl, blank=True, null=True)
HitGroupStatus
group_id = models.CharField('Group ID',max_length=50, db_index=True)
hits_available = models.IntegerField('Hits Avaliable')
page_number = models.IntegerField('Page Number')
inpage_position = models.IntegerField('In Page Position')
hit_expiration_date = models.DateTimeField('Hit expiration Date')
hit_group_content = models.ForeignKey(HitGroupContent)
crawl = models.ForeignKey(Crawl)
'''
items_per_transaction = 1000
transaction_count = 0
i = 0
hit_group_content_mapping = {}
crawl_mapping = {}
print 'setting up crawl mappings'
crawls = Crawl.objects.all().values_list('old_id','pk')
for row in crawls:
crawl_mapping[row[0]] = row[1]
del crawls
try:
i = get_counter('import_hitgroups_line')
except:
pass
try:
f = open(os.path.join(settings.ROOT_PATH,'data','hits.utf8.csv'),"rb")
error_log = open(os.path.join(settings.ROOT_PATH,'data','error.hits.utf8.csv'),'w')
'''
seek to file_position stored in counter
'''
try:
last_position = get_counter('import_hitgroups')
print 'starting from: %s' % last_position
f.seek(int(last_position))
except:
f.readline()
print 'coulnd not find last position starting from first line'
pass
transaction.enter_transaction_management()
transaction.managed(True)
for row in f:
try:
row = row.strip()
group_id, title, requster_name, requester_id, description, keywords, qualifications, hit_expiration_date, time_alloted, reward, hits_available, time_crawled, crawl_id, page_no, inpage_position, dollars = tuple(row.split('|'))
'''
check if there already is a HitGroupContent for this row
if HitGroupContent exists do nothin
'''
reward = float(reward[1:]) # stripiing starting $ ex. $0.1
time_alloted = parse_time_alloted(time_alloted) # parsing strings like 4 hours 30 minutes to int minutes
crawl_id = int(crawl_id)
hits_available = int(hits_available)
page_no = int(page_no)
inpage_position = int(inpage_position)
hashed_group_id = False
if group_id == '':
group_id = hashlib.md5("%s;%s;%s;%s;%s;%s;%s;" % (title, requester_id,
time_alloted,reward,
description,keywords,
qualifications)).hexdigest()
hashed_group_id = True
hit_expiration_date = datetime.datetime.strptime(re.sub('\(.*\)', '', hit_expiration_date).strip(), "%b %d, %Y") # Apr 5, 2009 (4 weeks 1 day)
exists = False
content_id = execute_sql("select id from main_hitgroupcontent where group_id = '%s'" % group_id).fetchone()
if content_id is not None:
hit_group_content_mapping[group_id] = content_id[0]
exists = True
if not exists:
'''
if not: save new HitGroupContent object store mapping in memmory
'''
obj = HitGroupContent(group_id_hashed = hashed_group_id, group_id=group_id, requester_id = requester_id, requester_name = requster_name, reward = reward, description = description, title = title, keywords = keywords, qualifications = qualifications, time_alloted = time_alloted, occurrence_date = time_crawled )
obj.save()
hit_group_content_mapping[group_id] = obj.pk
'''
store hitgroupstatus into db with correct mapping to HitGroupContent
'''
obj = HitGroupStatus(group_id = group_id, hits_available = hits_available, page_number = page_no, inpage_position = inpage_position, hit_expiration_date = hit_expiration_date, hit_group_content_id = hit_group_content_mapping[group_id], crawl_id = crawl_mapping[crawl_id])
obj.save()
except (ValueError, KeyError):
error_info = grab_error(sys.exc_info())
error_log.write(row)
error_log.write("\r\n")
print 'an error occured at: %s line, %s %s' % (i,error_info['type'], error_info['value'])
i += 1
'''
do a transaction per items_per_transaction rows
when commiting transaction write file position and next crawl_id to counter file
'''
if i % items_per_transaction == 0:
transaction.commit()
transaction_count += 1
write_counter('import_hitgroups', f.tell())
write_counter('import_hitgroups_line', i)
print 'commited %s transaction, line: %s' % (transaction_count, i)
except KeyboardInterrupt:
'''
User stopped script, rollback last data, close file descriptors exit
'''
transaction.rollback()
error_log.close()
f.close()
exit()
