I took that he was on a Mac or other system which allows this, and is actually trying to run the command:
open Patient_info.pdf to open the file he created. He says as much in saying Acroread doesn't open it. Ignoring the fact that paths are wrong, trying to open a GUI app from Apache generally never works as it doesn't have necessary information about display or privileges to display. Graham On 6 October 2011 19:11, mrkiwi <[email protected]> wrote: > Graham - i think his code will be attempting to create the file > open\ Patient_info.pdf > in the current working directory, and therefore as root it may work > without error? > ??? > > MrKiwi > > On Oct 6, 8:55 pm, Graham Dumpleton <[email protected]> > wrote: >> 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 >> >> > -- >> > You received this message because you are subscribed to the Google Groups >> > "modwsgi" group. >> > To post to this group, send email to [email protected]. >> > To unsubscribe from this group, send email to >> > [email protected]. >> > For more options, visit this group >> > athttp://groups.google.com/group/modwsgi?hl=en. > > -- > You received this message because you are subscribed to the Google Groups > "modwsgi" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/modwsgi?hl=en. > > -- You received this message because you are subscribed to the Google Groups "modwsgi" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/modwsgi?hl=en.
