def __init__(self, ingest_info: IngestInfo, region: str):
msg_template = (
"Error when writing to Datastore ingest info '{}' for"
" region {}. Trace id: {}"
)
msg = msg_template.format(ingest_info, region, get_trace_id_from_flask())
super().__init__(msg)
def _generic_scrape(self, request: QueueRequest):
"""
General handler for all scrape tasks. This function is a generic entry
point into all types of scrapes. It decides what to call based on
params.
Args:
params: dict of parameters passed from the last scrape session.
"""
try:
task = request.next_task
# Here we handle a special case where we weren't really sure
# we were going to get data when we submitted a task, but then
# we ended up with data, so no more requests are required,
# just the content we already have.
# TODO(#680): remove this
if task.content is not None:
content = self._parse_html_content(task.content)
cookies = None
else:
post_data = task.post_data
# Let the child transform the post_data if it wants before
# sending the requests. This hook is in here in case the
# child did something like compress the post_data before
# it put it on the queue.
self.transform_post_data(post_data)
# We always fetch some content before doing anything.
# Note that we use get here for the post_data to return a
# default value of None if this scraper doesn't set it.
try:
content, cookies = self._fetch_content(
task.endpoint,
task.response_type,
headers=task.headers,
cookies=task.cookies,
params=task.params,
post_data=post_data,
json_data=task.json)
except Exception as e:
raise ScraperFetchError(str(e)) from e
scraped_data = None
if self.should_scrape_data(task.task_type):
# If we want to scrape data, we should either create an
# ingest_info object or get the one that already exists.
logging.info("Scraping data for [%s] and endpoint: [%s]",
self.region.region_code, task.endpoint)
try:
scraped_data = self.populate_data(
content, task, request.ingest_info or IngestInfo())
except Exception as e:
raise ScraperPopulateDataError(str(e)) from e
if self.should_get_more_tasks(task.task_type):
logging.info("Getting more tasks for [%s] and endpoint: [%s]",
self.region.region_code, task.endpoint)
# Only send along ingest info if it will not be persisted now.
ingest_info_to_send = None
if scraped_data is not None and not scraped_data.persist:
ingest_info_to_send = scraped_data.ingest_info
try:
# pylint: disable=assignment-from-no-return
next_tasks = self.get_more_tasks(content, task)
except Exception as e:
raise ScraperGetMoreTasksError(str(e)) from e
for next_task in next_tasks:
# Include cookies received from response, if any
if cookies:
cookies.update(next_task.cookies)
next_task = Task.evolve(next_task, cookies=cookies)
self.add_task(
'_generic_scrape',
QueueRequest(
scrape_type=request.scrape_type,
scraper_start_time=request.scraper_start_time,
next_task=next_task,
ingest_info=ingest_info_to_send,
))
if scraped_data is not None and scraped_data.persist:
if scraped_data.ingest_info:
logging.info("Logging at most 4 people (were %d):",
len(scraped_data.ingest_info.people))
loop_count = min(len(scraped_data.ingest_info.people),
constants.MAX_PEOPLE_TO_LOG)
for i in range(loop_count):
logging.info("[%s]",
str(scraped_data.ingest_info.people[i]))
logging.info("Last seen time of person being set as: [%s]",
request.scraper_start_time)
metadata = IngestMetadata(self.region.region_code,
self.region.jurisdiction_id,
request.scraper_start_time,
self.get_enum_overrides())
if self.BATCH_WRITES:
logging.info(
"Queuing ingest_info ([%d] people) to "
"batch_persistence for [%s]",
len(scraped_data.ingest_info.people),
self.region.region_code)
scrape_key = ScrapeKey(self.region.region_code,
request.scrape_type)
batch_persistence.write(
ingest_info=scraped_data.ingest_info,
scrape_key=scrape_key,
task=task,
)
else:
logging.info(
"Writing ingest_info ([%d] people) to the database"
" for [%s]", len(scraped_data.ingest_info.people),
self.region.region_code)
persistence.write(
ingest_utils.convert_ingest_info_to_proto(
scraped_data.ingest_info), metadata)
for sc in scraped_data.single_counts:
if not sc.date:
scrape_key = ScrapeKey(self.region.region_code,
constants.ScrapeType.BACKGROUND)
session = sessions.get_current_session(scrape_key)
if session:
sc = attr.evolve(sc, date=session.start.date())
single_count.store_single_count(
sc, self.region.jurisdiction_id)
except Exception as e:
if self.BATCH_WRITES:
scrape_key = ScrapeKey(self.region.region_code,
request.scrape_type)
batch_persistence.write_error(
error=str(e),
trace_id=get_trace_id_from_flask(),
task=task,
scrape_key=scrape_key,
)
raise e
def __init__(self, error: str, region: str):
msg_template = (
"Error when writing to Datastore error '{}' for region {}. Trace id: {}"
)
msg = msg_template.format(error, region, get_trace_id_from_flask())
super().__init__(msg)
