How to read() twice from file-like objects (and get some data)?

[John J. Lee]

Georg Brandl <g.brandl-nospam at gmx.net> writes:

> askar.bektassov at gmail.com wrote:
> > Hello all, please correct me, if I do...
> > from ClientForm import ParseResponse
> > from urllib2 import urlopen
> > ...
> > response=urlopen(url)
> > forms=ParseResponse(response)
> > I won't be able to
> > print response.read()
> > in order to see HTML source anymore. In other words I will see only
> > an
> > empty string. Suggestions?
> 
> response = urlopen(url)
> content = response.read()
> 
> forms = ParseResponse(content)
> 
> i.e., adapt ParseResponse to accept a string, or wrap the string in a
> StringIO:
> 
> import cStringIO
> forms = ParseResponse(cStringIO.StringIO(content))

That won't work, because a StringIO does not support the 'response'
interface required of ParseResponse's argument.

You may use ClientForm.ParseFile on the StringIO instead.  Use
response.geturl() to get the URL that ParseFile wants.


John