def scrape_court(self, site, full_crawl=False):
download_error = False
# Get the court object early for logging
# opinions.united_states.federal.ca9_u --> ca9
court_str = site.court_id.split('.')[-1].split('_')[0]
court = Court.objects.get(pk=court_str)
dup_checker = DupChecker(court, full_crawl=full_crawl)
abort = dup_checker.abort_by_url_hash(site.url, site.hash)
if not abort:
if site.cookies:
logger.info("Using cookies: %s" % site.cookies)
for i in range(0, len(site.case_names)):
msg, r = get_binary_content(
site.download_urls[i],
site.cookies,
method=site.method
)
if msg:
logger.warn(msg)
ErrorLog(log_level='WARNING',
court=court,
message=msg).save()
continue
current_date = site.case_dates[i]
try:
next_date = site.case_dates[i + 1]
except IndexError:
next_date = None
sha1_hash = hashlib.sha1(r.content).hexdigest()
onwards = dup_checker.should_we_continue_break_or_carry_on(
Audio,
current_date,
next_date,
lookup_value=sha1_hash,
lookup_by='sha1'
)
if onwards == 'CONTINUE':
# It's a duplicate, but we haven't hit any thresholds yet.
continue
elif onwards == 'BREAK':
# It's a duplicate, and we hit a date or dup_count threshold.
dup_checker.update_site_hash(sha1_hash)
break
elif onwards == 'CARRY_ON':
# Not a duplicate, carry on
logger.info('Adding new document found at: %s' % site.download_urls[i])
dup_checker.reset()
docket, audio_file = self.associate_meta_data_to_objects(
site, i, court, sha1_hash)
audio_file.docket = docket
# Make and associate the file object
try:
cf = ContentFile(r.content)
extension = get_extension(r.content)
if extension not in ['.mp3', '.wma']:
extension = '.' + site.download_urls[i].rsplit('.', 1)[1]
# See bitbucket issue #215 for why this must be
# lower-cased.
file_name = trunc(site.case_names[i].lower(), 75) + extension
audio_file.local_path_original_file.save(file_name, cf, save=False)
except:
msg = 'Unable to save binary to disk. Deleted document: % s.\n % s' % \
(site.case_names[i], traceback.format_exc())
logger.critical(msg)
ErrorLog(log_level='CRITICAL', court=court, message=msg).save()
download_error = True
continue
self.save_everything(docket, audio_file)
random_delay = random.randint(0, 3600)
process_audio_file.apply_async(
(audio_file.pk,),
countdown=random_delay
)
logger.info("Successfully added audio file %s: %s" % (audio_file.pk, site.case_names[i]))
# Update the hash if everything finishes properly.
logger.info("%s: Successfully crawled oral arguments." % site.court_id)
if not download_error and not full_crawl:
# Only update the hash if no errors occurred.
dup_checker.update_site_hash(site.hash)
def scrape_court(self, site, full_crawl=False):
download_error = False
# Get the court object early for logging
# opinions.united_states.federal.ca9_u --> ca9
court_str = site.court_id.split('.')[-1].split('_')[0]
court = Court.objects.get(pk=court_str)
dup_checker = DupChecker(court, full_crawl=full_crawl)
abort = dup_checker.abort_by_url_hash(site.url, site.hash)
if not abort:
if site.cookies:
logger.info("Using cookies: %s" % site.cookies)
for i in range(0, len(site.case_names)):
msg, r = get_binary_content(site.download_urls[i],
site.cookies,
site._get_adapter_instance(),
method=site.method)
if msg:
logger.warn(msg)
ErrorLog(log_level='WARNING', court=court,
message=msg).save()
continue
content = site.cleanup_content(r.content)
current_date = site.case_dates[i]
try:
next_date = site.case_dates[i + 1]
except IndexError:
next_date = None
sha1_hash = hashlib.sha1(content).hexdigest()
onwards = dup_checker.should_we_continue_break_or_carry_on(
Audio,
current_date,
next_date,
lookup_value=sha1_hash,
lookup_by='sha1')
if onwards == 'CONTINUE':
# It's a duplicate, but we haven't hit any thresholds yet.
continue
elif onwards == 'BREAK':
# It's a duplicate, and we hit a date or dup_count threshold.
dup_checker.update_site_hash(sha1_hash)
break
elif onwards == 'CARRY_ON':
# Not a duplicate, carry on
logger.info('Adding new document found at: %s' %
site.download_urls[i])
dup_checker.reset()
docket, audio_file = self.associate_meta_data_to_objects(
site, i, court, sha1_hash)
# Make and associate the file object
try:
cf = ContentFile(content)
extension = get_extension(content)
if extension not in ['.mp3', '.wma']:
extension = '.' + site.download_urls[i].rsplit(
'.', 1)[1]
# See bitbucket issue #215 for why this must be
# lower-cased.
file_name = trunc(site.case_names[i].lower(),
75) + extension
audio_file.local_path_original_file.save(file_name,
cf,
save=False)
except:
msg = 'Unable to save binary to disk. Deleted document: % s.\n % s' % \
(site.case_names[i], traceback.format_exc())
logger.critical(msg)
ErrorLog(log_level='CRITICAL',
court=court,
message=msg).save()
download_error = True
continue
self.save_everything(docket, audio_file)
random_delay = random.randint(0, 3600)
process_audio_file.apply_async((audio_file.pk, ),
countdown=random_delay)
logger.info("Successfully added audio file %s: %s" %
(audio_file.pk, site.case_names[i]))
# Update the hash if everything finishes properly.
logger.info("%s: Successfully crawled oral arguments." %
site.court_id)
if not download_error and not full_crawl:
# Only update the hash if no errors occurred.
dup_checker.update_site_hash(site.hash)
def download_and_save():
"""This function is run in many threads simultaneously. Each thread
runs so long as there are items in the queue. Once an item is found, it's
downloaded and saved.
The number of items that can be concurrently saved is determined by the
number of threads that are running this function.
"""
while True:
item = queue.get()
logger.info("Attempting to add item at: %s" % item['url'])
try:
msg, r = get_binary_content(
item['url'],
{},
)
except:
logger.info("Unable to get item at: %s" % item['url'])
queue.task_done()
if msg:
logger.warn(msg)
queue.task_done()
sha1_hash = hashlib.sha1(r.content).hexdigest()
if Audio.objects.filter(sha1=sha1_hash).exists():
# Simpsons did it! Try the next one.
logger.info("Item already exists, moving to next item.")
queue.task_done()
else:
# New item, onwards!
logger.info('Adding new document found at: %s' % item['url'])
audio_file = Audio(
source='H',
sha1=sha1_hash,
case_name=item['case_name'],
date_argued=item['date_argued'],
download_url=item['url'],
processing_complete=False,
)
if item['judges']:
audio_file.judges = item['judges']
if item['docket_number']:
audio_file.docket_number = item['docket_number']
court = Court.objects.get(pk=item['court_code'])
docket = Docket(
case_name=item['case_name'],
court=court,
)
# Make and associate the file object
try:
cf = ContentFile(r.content)
extension = get_extension(r.content)
if extension not in ['.mp3', '.wma']:
extension = '.' + item['url'].rsplit('.', 1)[1]
# See bitbucket issue #215 for why this must be
# lower-cased.
file_name = trunc(item['case_name'].lower(), 75) + extension
audio_file.local_path_original_file.save(file_name,
cf,
save=False)
except:
msg = 'Unable to save binary to disk. Deleted document: % s.\n % s' % \
(item['case_name'], traceback.format_exc())
logger.critical(msg)
queue.task_done()
docket.save()
audio_file.docket = docket
audio_file.save(index=False)
random_delay = random.randint(0, 3600)
process_audio_file.apply_async((audio_file.pk, ),
countdown=random_delay)
logger.info("Successfully added audio file %s: %s" %
(audio_file.pk, audio_file.case_name))
def download_and_save():
"""This function is run in many threads simultaneously. Each thread
runs so long as there are items in the queue. Once an item is found, it's
downloaded and saved.
The number of items that can be concurrently saved is determined by the
number of threads that are running this function.
"""
while True:
item = queue.get()
logger.info("Attempting to add item at: %s" % item['url'])
try:
msg, r = get_binary_content(
item['url'],
{},
)
except:
logger.info("Unable to get item at: %s" % item['url'])
queue.task_done()
if msg:
logger.warn(msg)
queue.task_done()
sha1_hash = hashlib.sha1(r.content).hexdigest()
if Audio.objects.filter(sha1=sha1_hash).exists():
# Simpsons did it! Try the next one.
logger.info("Item already exists, moving to next item.")
queue.task_done()
else:
# New item, onwards!
logger.info('Adding new document found at: %s' % item['url'])
audio_file = Audio(
source='H',
sha1=sha1_hash,
case_name=item['case_name'],
date_argued=item['date_argued'],
download_url=item['url'],
processing_complete=False,
)
if item['judges']:
audio_file.judges = item['judges']
if item['docket_number']:
audio_file.docket_number = item['docket_number']
court = Court.objects.get(pk=item['court_code'])
docket = Docket(
case_name=item['case_name'],
court=court,
)
# Make and associate the file object
try:
cf = ContentFile(r.content)
extension = get_extension(r.content)
if extension not in ['.mp3', '.wma']:
extension = '.' + item['url'].rsplit('.', 1)[1]
# See bitbucket issue #215 for why this must be
# lower-cased.
file_name = trunc(item['case_name'].lower(), 75) + extension
audio_file.local_path_original_file.save(file_name, cf,
save=False)
except:
msg = 'Unable to save binary to disk. Deleted document: % s.\n % s' % \
(item['case_name'], traceback.format_exc())
logger.critical(msg)
queue.task_done()
docket.save()
audio_file.docket = docket
audio_file.save(index=False)
random_delay = random.randint(0, 3600)
process_audio_file.apply_async(
(audio_file.pk,),
countdown=random_delay
)
logger.info("Successfully added audio file %s: %s" % (
audio_file.pk, audio_file.case_name))
