def deliver(self, pdf_filename):
"""Stream generated PDF file back to client.
"""
log.info("Deliver %s" % pdf_filename)
request = self.request.RESPONSE
request.setHeader("content-type", "application/pdf")
request.setHeader("content-length", os.stat(pdf_filename)[6])
request.setHeader("content-disposition", "attachment; filename=%s" % pdf_filename)
return filestream_iterator(pdf_filename, "rb")
def convert(self, fo_filename, output_filename=None):
if not output_filename:
output_filename = newTempfile(suffix='.pdf')
cmd = 'fop -fo "%s" -pdf "%s"' % (fo_filename, output_filename)
status, output = runcmd(cmd)
if status != 0:
raise RuntimeError('Error executing: %s\n\n%s' % (cmd, output))
log.info("\n")
return output_filename
def runcmd(cmd):
""" Execute a command using the subprocess module """
stdin = open('/dev/null')
stdout = stderr = PIPE
p = Popen(cmd,
shell=True,
stdin=stdin,
stdout=stdout,
stderr=stderr,
)
status = p.wait()
stdout_ = p.stdout.read().strip()
stderr_ = p.stderr.read().strip()
if stdout_:
log.info(stdout_)
if stderr_:
log.info(stderr_)
return status, stdout_ + stderr_