There are couple of problems at least with what you are trying to do.
First, you can't use relative paths to files. The current working
directory of the process will not be where your source code is.
Second, the line:
os.open("open Patient_info.pdf")
isn't going to work because os.open() takes a file name not a command
and also requires a second argument even when opening a file.
So, you should be getting errors. That you are not suggests you
haven't even set up mod_wsgi write to run this WSGI application. It
could even be because you don't even have an application object in the
code, although I'll give you the benefit of the doubt there and
presume this is only a snipper from larger code base. If it is because
of the latter, you will see errors in the Apache error log.
Suggest you go back to basics and get a WSGI hello world program
running and as has been suggested before, don't do stuff from scratch,
use a framework such as Flask.
Graham
On 6 October 2011 18:28, nitin chandra <[email protected]> wrote:
> Hi All,
>
> I am looking to generate a PDF page from the data submitted in a web form.
>
> For this I am using REportLab.
>
> from reportlab.lib.pagesizes import letter
> from reportlab.pdfgen import canvas
>
>
> class Handler:
> def do(self, environ, start_response):
> form = cgi.FieldStorage(fp=environ['wsgi.input'],
> environ=environ)
>
> html = """
> <meta http-equiv="refresh"
> content="0;url=https://www.mywebsite.in/home.py"; /> """
>
> printpdf = form.getvalue('print') ## This is a checkbox in
> html { If checked then create the PDF file}
> if printpdf == 1:
> c = canvas.Canvas('Patient_info.pdf', pagesize=letter)
> c.setFont('Helvetica', 12)
> c.drawString(30,750, ptbn)
> c.showPage()
> c.save()
> os.open("open Patient_info.pdf")
>
> output = html
> mimeType = "text/html"
>
> status = "200 OK"
> response_headers = [("Content-type", mimeType),
> ("Content-length", str(len(output)))]
>
> start_response(status, response_headers)
> return [output]
>
>
>
> If i enter the code in python prompt, from c = canvas .... , a PDF
> file is created and saved in the current working directory.
>
> But not when I am doing it from a webpage.py file. There is no error,
> the PDF web page / Acroread does not open / launch the page.
>
> Do I need to add / change some thing, if wsgi requires it, in the
> above code to generate the PDF file ? If yes, then how should the line
> be written?
>
> Thank you
>
> Nitin
>
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