learn from web2py book, it seems generate pdf function using reportlab must
be landed on the page (the page must be visited so that it can be generated
as expected, the pdf is generated but can't be opened). Already tried with
onvalidation, redirect, modules, after_insert callback. the only thing that
work is when using redirect(URL()), perhaps i miss something, any thought
or suggestion ?
e.g.
*models/db.py*
from reportlab.platypus import *
from reportlab.lib.styles import getSampleStyleSheet
from reportlab.rl_config import defaultPageSize
from reportlab.lib.units import inch, mm
from reportlab.lib.enums import TA_LEFT, TA_RIGHT, TA_CENTER, TA_JUSTIFY
from reportlab.lib import colors
from cgi import escape
import os
*controllers/default.py*
def pdf_email(form):
title = "This The Doc Title"
heading = "First Paragraph"
text = 'bla '* 10000
styles = getSampleStyleSheet()
tmpfilename=os.path.join(request.folder, 'private' , 'test.pdf' )
doc = SimpleDocTemplate(tmpfilename)
story = []
story.append(Paragraph(escape(title),styles["Title"] ) )
story.append(Paragraph(escape(heading),styles["Heading2"] ) )
story.append(Paragraph(escape(text),styles["Normal"] ) )
story.append(Spacer(1,2*inch) )
doc.build(story)
data = open(tmpfilename,"rb").read()
os.unlink(tmpfilename)
response.headers['Content-Type']='application/pdf'
return data
# quotation
def quotation():
fields = ['salutation', 'name', 'address', 'phone', 'email', 'product']
form = SQLFORM(db.quotation, fields = fields)
"""
* # work because the function is visited*
if form.process().accepted:
response.flash = 'form success'
redirect(URL('pdf_and_mail') )
* # not work because the function is not visisted, just call the function*
if form.process(onvalidation = pdf_email).accepted:
response.flash = 'form success'
* # not work because the function is not visisted**, just call the function*
if form.process().accepted:
quotation_transaction.pdf_mail()
response.flash = 'form success'
"""
* # not work test using after_insert database callback*
if form.process().accepted:
response.flash = 'form success'
elif form.errors:
response.flash = 'form has errors'
else:
response.flash = 'please fill out the form'
return dict(form=form)
def pdf_and_mail():
title = "This The Doc Title"
heading = "First Paragraph"
text = 'bla '* 10000
styles = getSampleStyleSheet()
tmpfilename=os.path.join(request.folder, 'private' , 'test.pdf' )
doc = SimpleDocTemplate(tmpfilename)
story = []
story.append(Paragraph(escape(title),styles["Title"] ) )
story.append(Paragraph(escape(heading),styles["Heading2"] ) )
story.append(Paragraph(escape(text),styles["Normal"] ) )
story.append(Spacer(1,2*inch) )
doc.build(story)
data = open(tmpfilename,"rb").read()
os.unlink(tmpfilename)
response.headers['Content-Type']='application/pdf'
return data
ref:
http://web2py.com/books/default/chapter/29/10/services#ReportLab-and-PDF
thanks and best regards,
stifan
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- http://web2py.com/book (Documentation)
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