Re: sample file upload

Brandon Long <[email protected]> Fri, 8 Aug 2008 15:32:44 -0700

Newsgroups	gmane.text.clearsilver.general
Organization	Fiction L Networks
Message-ID	<20080808223244.GB19458@bl1>

Do you have a perferred language?

Attached is a test python one I had lying around.  upload.py is a dirt
simple one, upload2.py uses a callback so you get information as the
uplaod is going on.

Brandon

On 08/08/08 maxsimon1980 uttered the following other thing:
> hello every one,
> 
> can anyone send me a sample code for file up load.
> please send me the code for cgi and html part.
> 
> Regards
> Max
> 
> 
> ------------------------------------
> 
> Yahoo! Groups Links
> 
> 
> 
-- 
 "A fundamental law:  no matter how good you are, someone somewhere 
  believes that you're going to Hell." -- Andrew C. Bulhak
                                           http://www.fiction.net/blong/

upload2.py (text/plain, 1.3 KB)

#!/usr/local/bin/python2.2
import neo_cgi
import sys, os
import traceback

def exceptionString():
  import StringIO

  ## get the traceback message  
  sfp = StringIO.StringIO()
  traceback.print_exc(file=sfp)
  exception = sfp.getvalue()
  sfp.close()

  return exception

class Page:
  def __init__(self):
    self.ncgi = neo_cgi.CGI()
    self.ncgi.setUploadCB(None, self.upload_cb)
    try:
      os.unlink('/tmp/cstest.txt')
    except os.error:
      pass
    try:
      os.unlink('/tmp/file')
    except os.error:
      pass
    self.ncgi.parse()

  def upload_cb(self, foo, nread, length):
    f = open('/tmp/cstest.txt', 'a')
    f.write("Uploaded %d out of %d\n" % (nread, length))
    f.close()
    return 0

  def display(self, file):
    if self.ncgi.hdf.getValue("Query.file", ""):
      try:
        fp = self.ncgi.filehandle("file")
        data = fp.read()
        f = open("/tmp/file", "w")
        f.write(data)

      except neo_cgi.CGIFinished:
        return
      except Exception, Reason:
        sys.stderr.write("Python Exception: %s\n" % (str(repr(Reason))))
        s = neo_cgi.text2html("Python Exception: %s" % exceptionString())
        self.ncgi.error(s)
    self.ncgi.display(file)
    sys.stdout.write('<pre>%s</pre>' % 
        neo_cgi.htmlEscape(self.ncgi.hdf.dump()))

p = Page()
p.display("hello.cst")

hello.cst (text/plain, 200 B)

<html>
<title>Test upload</title>
<body>
<form name=upload method=POST enctype="multipart/form-data">
<input type=file name=file>
<input type=submit name=Action.Upload value="Upload">
</body>
</html>

upload.py (text/plain, 835 B)

#!/usr/bin/env python

import sys, os, traceback, string
import neo_cgi

def log (s):
  sys.stderr.write("CGI: %s\n" % s)

def exceptionString():
  import StringIO

  ## get the traceback message  
  sfp = StringIO.StringIO()
  traceback.print_exc(file=sfp)
  exception = sfp.getvalue()
  sfp.close()

  return exception

def main (argv, environ):
  # log ("starting")
  cgi = neo_cgi.CGI("")

  try:
    fp = cgi.filehandle("file")
    print "Content-Type: text/plain\r\n\r\n"
    data = fp.read()
    print data

    f = open("/tmp/file", "w")
    f.write(data)

  except neo_cgi.CGIFinished:
    return
  except Exception, Reason:
    log ("Python Exception: %s" % (str(repr(Reason))))
    s = neo_cgi.text2html("Python Exception: %s" % exceptionString())
    cgi.error (s)

if __name__ == "__main__":
  main (sys.argv, os.environ)