Hello, I'm very new to turbogears and currently digging into details.
Now I run into troubles.
The question is: how to call genshi to render a template with params
into a string result?
I try to return a pdf document, that is created via pisa (xhtml2pdf
converter) from a genshi template:
1) My controller method fetches data (invoice, reports, ...) from data
backend.
2) I would like to use genshi to render a html template (that defines
the pdf presentation) into a string
3) Then I convert this String to PDF using pisa, and return the PDF.
This stack works basically with attached controller code, but the
genshi rendering doesn't work: anything in the py: namespace
(<py:replace, <py:if..) is not executed/evaluated, while ${param}
replacements work fine. Converting the result to pdf works perfektly
again - but the templating logic is missing ;-) right now.
I think I have to prepare the rendering in some way, but have no idea
what is missing or how to call it to get the genshi rendering done
well.
import ho.pisa as pisa
from pylons.templating import render_genshi
@expose(content_type="application/pdf")
def pisa_test(self, **kw):
filename = os.path.join(os.getcwd(), "pisa_test.pdf")
content = render_genshi('helloworld.reports.pisa_layout_test',
dict(editor = "MyName", projectNumber="12345"))
f = file(filename, "wb")
pdf = pisa.CreatePDF(content, f)
f.close()
f = open(filename, 'rb')
pdf = f.read()
f.close()
return pdf
Thanks for comments in advance.
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