from django.http import HttpResponse
def hello(request):
return HttpResponse("Hello world")
# BAD!
def current_url_view_bad(request):
return HttpResponse("Welcome to the page at /current/")
# GOOD
def current_url_view_good(request):
return HttpResponse("Welcome to the page at %s" % request.path)
# BAD!
def ua_display_bad(request):
ua = request.META['HTTP_USER_AGENT'] # Might raise KeyError!
return HttpResponse("Your browser is %s" % ua)
# GOOD (VERSION 1)
def ua_display_good1(request):
try:
ua = request.META['HTTP_USER_AGENT']
except KeyError:
ua = 'unknown'
return HttpResponse("Your browser is %s" % ua)
# GOOD (VERSION 2)
def ua_display_good2(request):
ua = request.META.get('HTTP_USER_AGENT', 'unknown')
return HttpResponse("Your browser is %s" % ua)
def display_meta(request):
values = request.META.items()
values.sort()
html = []
for k, v in values:
html.append('<tr><td>%s</td><td>%s</td></tr>' % (k, v))
return HttpResponse('<table>%s</table>' % '\n'.join(html))
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