本文整理匯總了Python中database.Session.expunge方法的典型用法代碼示例。如果您正苦於以下問題：Python Session.expunge方法的具體用法？Python Session.expunge怎麽用？Python Session.expunge使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類database.Session的用法示例。
在下文中一共展示了Session.expunge方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: get_courses
# 需要導入模塊: from database import Session [as 別名]
# 或者: from database.Session import expunge [as 別名]
def get_courses():
'''Navigates to Premain
Gets all courses
'''
session = Session()
r = s.get('https://edux.pjwstk.edu.pl/Premain.aspx')
r.raise_for_status()
new_announcements = []
for i, (course_id, name, url) in enumerate(extract_courses(r.content)):
course = session.query(Course). \
filter_by(course_id=course_id). \
first()
if course is None:
print u'Add new course "{}"'.format(name)
course = Course(
course_id=course_id,
title=name)
session.add(course)
print course.title
# Get inside the course
r = s.get(url)
r.raise_for_status()
session.expunge(course)
course_content = r.content
if 'Announcements.aspx' in course_content:
print 'There are announcements'
# Get announcement for this course
for (timestamp, announcement) in get_announcements(course, url):
new_announcements.append((course.title, timestamp, announcement))
if 'Quiz.aspx' in course_content:
print 'There are quizes'
get_quiz(course)
if 'Folder.aspx' in course_content:
print 'There are folders'
get_folders(course)
# Prepare email stuff from gathered data
subject = 'You have {0} new announcements on EDUX'.format(
len(new_announcements))
body = u''
# Sort new announcements so highest date (newer) will be on top
sorted_announcements = sorted(new_announcements,
key=operator.itemgetter(1),
reverse=True)
# TODO: Use some templating here
for i, (course, timestamp, announcement) in enumerate(sorted_announcements,
1):
body += u'{0}. {1} at {2}\n{3}\n\n'.format(
i,
timestamp,
course,
announcement)
# Cant send empty body because mailgun throws HTTP400s.
send_notify(subject, body)
session.commit()