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from html import escape
from pyramid.httpexceptions import HTTPFound
from pyramid.response import Response
from pyramid.view import view_config
# First view, available at http://localhost:6543/
@view_config(route_name='home')
def home_view(request):
return Response('<p>Visit <a href="/howdy?name=lisa">hello</a></p>')
# /howdy?name=alice which links to the next view
@view_config(route_name='hello')
def hello_view(request):
name = request.params.get('name', 'No Name')
body = '<p>Hi %s, this <a href="/goto">redirects</a></p>'
# Python html.escape to prevent Cross-Site Scripting (XSS) [CWE 79]
return Response(body % escape(name))
# /goto which issues HTTP redirect to the last view
@view_config(route_name='redirect')
def redirect_view(request):
return HTTPFound(location="/problem")
# /problem which causes a site error
@view_config(route_name='exception')
def exception_view(request):
raise Exception()
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