def update_daily_summaries():
logger.info('Update Daily Summaries')
previous_session = ScrapingSession.get_previous_session()
logger.info('Previous Scraping Session: {}'.format(previous_session.datetime if previous_session else None))
if previous_session == None:
return
last_summary = DailySummary.get_last_summary()
logger.info('Last Daily Summary: {}'.format(last_summary.date if last_summary else None))
if last_summary == None:
start_date = JobListing.get_earliest_job_listing().added - datetime.timedelta(days=1)
else:
start_date = last_summary.date
dates_between = data_science_jobs.get_days_between(
start_date,
previous_session.datetime.date())
if len(dates_between):
logger.info('Getting Daily Summaries Between: {} - {}'.format(dates_between[0], dates_between[-1]))
else:
logger.info('Daily Summaries Up-To-Date')
for date in dates_between:
daily_summary = DailySummary.create(date=date)
logger.info('{}: n_posts: {}'.format(date, daily_summary.n_posts))
daily_summary.save()
def update_monthly_summaries():
logger.info('Update Monthly Summaries')
previous_session = ScrapingSession.get_previous_session()
logger.info('Previous Scraping Session: {}'.format(previous_session.datetime if previous_session else None))
if previous_session == None:
return
last_summary = MonthlySummary.get_last_summary()
logger.info('Last Monthly Summary: {}'.format(last_summary.date if last_summary else last_summary))
if last_summary == None:
start_date = JobListing.get_earliest_job_listing().added
start_date = start_date - datetime.timedelta(days=start_date.day)
start_date = datetime.datetime(year=start_date.year, month=start_date.month, day=1).date()
else:
start_date = last_summary.date
previous_session_month = previous_session.datetime.date()
previous_session_month = previous_session_month - datetime.timedelta(days=previous_session_month.day - 1)
months_between = data_science_jobs.get_months_between(
start_date,
previous_session.datetime.date())
logger.info('Months between: {}'.format(months_between))
for date in months_between:
monthly_summary = MonthlySummary.create(date=date)
logger.info('{}: n_posts: {}'.format(date, monthly_summary.n_posts))
monthly_summary.save()
def test_returns_previous_session(self):
session = Session.objects.create(datetime=datetime.datetime(year=2015, month=1, day=1))
output = Session.get_previous_session()
self.assertEqual(output, session)
def test_no_previous_session_returns_none(self):
session = Session.get_previous_session()
self.assertEqual(session, None)
