from django.http import HttpResponse

from django.utils.html import escape

def hello_html(request):

    "This view is a basic 'hello world' example in HTML."

    return HttpResponse('<h1>Hello, world.</h1>')

def hello_text(request):

    "This view is a basic 'hello world' example in plain text."

    return HttpResponse('Hello, world.', mimetype='text/plain')

def hello_write(request):

    "This view demonstrates how an HttpResponse object has a write() method."

    r = HttpResponse()

    r.write("<p>Here's a paragraph.</p>")

    r.write("<p>Here's another paragraph.</p>")

    return r

def metadata(request):

    "This view demonstrates how to retrieve request metadata, such as HTTP headers."

    r = HttpResponse('<h1>All about you</h1>')

    r.write("<p>Here's all known metadata about your request, according to <code>request.META</code>:</p>")

    r.write('<table>')

    meta_items = request.META.items()

    meta_items.sort()

    for k, v in meta_items:

        r.write('<tr><th>%s</th><td>%r</td></tr>' % (k, v))

    r.write('</table>')

    return r

def get_data(request):

    "This view demonstrates how to retrieve GET data."

    r = HttpResponse()

    if request.GET:

        r.write('<p>GET data found! Here it is:</p>')

        r.write('<ul>%s</ul>' % ''.join(['<li><strong>%s:</strong> %r</li>' % (escape(k), escape(v)) for k, v in request.GET.items()]))

    r.write('<form action="" method="get">')

    r.write('<p>First name: <input type="text" name="first_name"></p>')

    r.write('<p>Last name: <input type="text" name="last_name"></p>')

    r.write('<p><input type="submit" value="Submit"></p>')

    r.write('</form>')

    return r

def post_data(request):

    "This view demonstrates how to retrieve POST data."

    r = HttpResponse()

    if request.POST:

        r.write('<p>POST data found! Here it is:</p>')

        r.write('<ul>%s</ul>' % ''.join(['<li><strong>%s:</strong> %r</li>' % (escape(k), escape(v)) for k, v in request.POST.items()]))

    r.write('<form action="" method="post">')

    r.write('<p>First name: <input type="text" name="first_name"></p>')

    r.write('<p>Last name: <input type="text" name="last_name"></p>')

    r.write('<p><input type="submit" value="Submit"></p>')

    r.write('</form>')

    return r