#!/usr/local/bin/python

from reportlab.pdfgen import canvas

# Create the PDF object, using the response object as its "file."
p = canvas.Canvas('ex.pdf')

# Draw things on the PDF. Here's where the PDF generation happens.
# See the ReportLab documentation for the full list of functionality.
p.drawString(100, 100, "Hello world.")

# Close the PDF object cleanly, and we're done.
p.showPage()
p.save()

def save_pdf(request):
    # Create the HttpResponse object with the appropriate PDF headers.
    response = HttpResponse(content_type='application/pdf')
    response['Content-Disposition'] = 'attachment; filename="somefilename.pdf"'

    # Create the PDF object, using the response object as its "file."
    p = canvas.Canvas(response)

    # Draw things on the PDF. Here's where the PDF generation happens.
    # See the ReportLab documentation for the full list of functionality.
    p.drawString(100, 100, "Hello world.")

    # Close the PDF object cleanly, and we're done.
    p.showPage()
    p.save()
    return response

#!/usr/local/bin/python

from reportlab.lib import colors
from reportlab.lib.pagesizes import A4, inch, landscape
from reportlab.platypus import SimpleDocTemplate, Table, TableStyle, Paragraph
from reportlab.lib.styles import getSampleStyleSheet

doc = SimpleDocTemplate("test_report_lab.pdf", pagesize=A4, rightMargin=30,leftMargin=30, topMargin=30,bottomMargin=18)
doc.pagesize = landscape(A4)
elements = []

data = [
["Letter", "Number", "Stuff", "Long stuff that should be wrapped"],
["A", "01", "ABCD", "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"],
["B", "02", "CDEF", "BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB"],
["C", "03", "SDFSDF", "CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC"],
["D", "04", "SDFSDF", "DDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD"],
["E", "05", "GHJGHJGHJ", "EEEEEEEEEEEEEE EEEEEEEEEEEEEEEEE EEEEEEEEEEEEEEEEEEEE"],
]

#TODO: Get this line right instead of just copying it from the docs
style = TableStyle([('ALIGN',(1,1),(-2,-2),'RIGHT'),
                       ('TEXTCOLOR',(1,1),(-2,-2),colors.red),
                       ('VALIGN',(0,0),(0,-1),'TOP'),
                       ('TEXTCOLOR',(0,0),(0,-1),colors.blue),
                       ('ALIGN',(0,-1),(-1,-1),'CENTER'),
                       ('VALIGN',(0,-1),(-1,-1),'MIDDLE'),
                       ('TEXTCOLOR',(0,-1),(-1,-1),colors.green),
                       ('INNERGRID', (0,0), (-1,-1), 0.25, colors.black),
                       ('BOX', (0,0), (-1,-1), 0.25, colors.black),
                       ])

#Configure style and word wrap
s = getSampleStyleSheet()
s = s["BodyText"]
s.wordWrap = 'CJK'
data2 = [[Paragraph(cell, s) for cell in row] for row in data]
t=Table(data2)
t.setStyle(style)

#Send the data and build the file
elements.append(t)
doc.build(elements)

def save_pdf(request):
    # Create the HttpResponse object with the appropriate PDF headers.
    response = HttpResponse(content_type='application/pdf')
    response['Content-Disposition'] = 'attachment; filename="somefilename.pdf"'
    buff = StringIO()
    menu_pdf = SimpleDocTemplate(buff, rightMargin=72,
                                leftMargin=72, topMargin=72, bottomMargin=18)

    # container for pdf elements
    elements = []
    data = [
    ["Letter", "Number", "Stuff", "Long stuff that should be wrapped"],
    ["A", "01", "ABCD", "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"],
    ["B", "02", "CDEF", "BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB"],
    ["C", "03", "SDFSDF", "CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC"],
    ["D", "04", "SDFSDF", "DDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD"],
    ["E", "05", "GHJGHJGHJ", "EEEEEEEEEEEEEE EEEEEEEEEEEEEEEEE EEEEEEEEEEEEEEEEEEEE"],
    ]
    style = TableStyle([('ALIGN',(1,1),(-2,-2),'RIGHT'),
                           ('TEXTCOLOR',(1,1),(-2,-2),colors.red),
                           ('VALIGN',(0,0),(0,-1),'TOP'),
                           ('TEXTCOLOR',(0,0),(0,-1),colors.blue),
                           ('ALIGN',(0,-1),(-1,-1),'CENTER'),
                           ('VALIGN',(0,-1),(-1,-1),'MIDDLE'),
                           ('TEXTCOLOR',(0,-1),(-1,-1),colors.green),
                           ('INNERGRID', (0,0), (-1,-1), 0.25, colors.black),
                           ('BOX', (0,0), (-1,-1), 0.25, colors.black),
                           ])
    # Add the content as before then...
    s = getSampleStyleSheet()
    s = s["BodyText"]
    s.wordWrap = 'CJK'
    data2 = [[Paragraph(cell, s) for cell in row] for row in data]
    t=Table(data2)
    t.setStyle(style)

    #Send the data and build the file
    elements.append(t)

    menu_pdf.build(elements)
    response.write(buff.getvalue())
    buff.close()
    return response

<button class="btn btn-default" id="export">Export</button>​

<script>
	window.onload = function() {
		var el = document.getElementById('export');
		el.onclick = function() {
			var filename = prompt('Enter text here');
			if (filename) {
				$.ajax({
					url: "/report/save_pdf/", // the script where you handle the form input.
					success: function(data) {
						// var win = window.open("data:application/pdf," + escape(data));
						// win.document.title = "ttt";
						var blob = new Blob([data]);
						var link = document.createElement('a');
						link.href = window.URL.createObjectURL(blob);
						link.download = filename + ".pdf";
						link.click();
					}
				});
			}
		}
	}
</script>