What you have looked good. The exception looks like its pandocs fault not
the template system.

--
Thadeus




On Mon, Jun 6, 2011 at 1:03 PM, Ryan Seto <mr.werew...@gmail.com> wrote:

> I see.
>
> Would you like me to try and come up with a patch for this?
>
> On Mon, Jun 6, 2011 at 1:53 PM, Thadeus Burgess <thade...@thadeusb.com>
> wrote:
> > Yes..
> >
> > You need some sort of response class that has a .write method... this can
> be
> > a hacked up cStringIO or other.
> >
> > Alternatively you can perform the same thing manually by passing in
> writer,
> > which instead of the template engine writing ``response.write("%s")`` it
> > could write whatever you want as a callable function.
> >
> >
> > So for example, say you defined your ``CustomResponse`` class as earlier
> in
> > the list...
> >
> > context['response'] = CustomReponse()
> > exec(parse_template(...)) in context
> > print context['response'].body.getvalue()
> >
> > SO yeah... in the end if we implemented your suggestion of overriding the
> > response class on import, then the render function would work as
> expected.
> >
> > --
> > Thadeus
> >
> >
> >
> >
> > On Mon, Jun 6, 2011 at 12:26 PM, Ryan Seto <mr.werew...@gmail.com>
> wrote:
> >>
> >> Hm, that doesn't seem to be it either.  I don't get a requirement for
> >> the globals module, but what I get back is this:
> >>
> >> ~~~~~
> >> >>> print parse_template('view.html', path='templates',
> >> >>> context=dict(content='test'))
> >> response.write(content)
> >> response.write('\r\n', escape=False)
> >> ~~~~~
> >>
> >> Am I supposed to execute what parse_template returns?
> >>
> >> Thank you for your help.
> >>
> >> On Mon, Jun 6, 2011 at 11:53 AM, Thadeus Burgess <thade...@thadeusb.com
> >
> >> wrote:
> >> > What you really want is template.parse_template. Still requires
> >> > restricted
> >> > but only for the exception raising.
> >> >
> >> > Very simple.
> >> >
> >> > from template import parse_template
> >> >
> >> > print parse_template('main.html', path='/path/to/custom/views/',
> >> > context=dict())
> >> >
> >> > --
> >> > Thadeus
> >> >
> >> >
> >> >
> >> >
> >> > On Mon, Jun 6, 2011 at 12:55 AM, Massimo Di Pierro
> >> > <massimo.dipie...@gmail.com> wrote:
> >> >>
> >> >> It is LGPL not GPL. very different. ;-)
> >> >>
> >> >> On Jun 6, 12:36 am, Karel Antonio Verdecia Ortiz <kverde...@uci.cu>
> >> >> wrote:
> >> >> > Hi,
> >> >> >
> >> >> > I've been using the web2py template engine for a while. I don't
> >> >> > remember
> >> >> > if I had to make some change to the template.py module nor the
> >> >> > version
> >> >> > of the web2py this module comes from so I attach it in this email.
> >> >> > This
> >> >> > was the way I could make it work (there is probably a simpler one):
> >> >> >
> >> >> >          from template import TemplateParser
> >> >> >
> >> >> >          context = {}
> >> >> >          output = cStringIO.StringIO()
> >> >> >          def response_writer(data, escape=False):
> >> >> >              output.write(unicode(data))
> >> >> >          context['response_writer'] = response_writer
> >> >> >          source = self._template()
> >> >> >          exec(str(TemplateParser(source, context=context,
> >> >> >              writer='response_writer'))) in context
> >> >> >          content = output.getvalue()
> >> >> >
> >> >> > I have a question about this module. It's GPL3 license. If I modify
> >> >> > it
> >> >> > an ditribute it in an application, do this application have to be
> >> >> > GPL3
> >> >> > licensed?
> >> >> >
> >> >> > I apologize if my english if very bad. My language is spanish.
> >> >> >
> >> >> > El 06/06/11 00:59, Ryan Seto escribi�:
> >> >> >
> >> >> >
> >> >> >
> >> >> >
> >> >> >
> >> >> >
> >> >> >
> >> >> > > Thanks! That does solve the import restricted dependency.
> >> >> >
> >> >> > > The import globals for the Response() object is still an issue.
> >> >> >
> >> >> > > I tried fiddling with my copy to build a mock Response() object
> if
> >> >> > > we
> >> >> > > can't import globals.
> >> >> >
> >> >> > > This is what I have so far:
> >> >> >
> >> >> > > gluon/template.py | line 867
> >> >> > > ~~~~~
> >> >> > >      # Here to avoid circular Imports
> >> >> > >      try:
> >> >> > >          from globals import Response
> >> >> > >      except:
> >> >> > >          import cStringIO
> >> >> > >          from xml.sax.saxutils import escape, quoteattr
> >> >> > >          class Response():
> >> >> > >              def __init__(self):
> >> >> > >                  self.body = cStringIO.StringIO()
> >> >> > >              def write(self, data, escape=True):
> >> >> > >                  if not escape:
> >> >> > >                      self.body.write(str(data))
> >> >> > >                  elif hasattr(data,'xml') and callable(data.xml):
> >> >> > >                      self.body.write(data.xml())
> >> >> > >                  else:
> >> >> > >                      # otherwise, make it a string
> >> >> > >                      if not isinstance(data, (str, unicode)):
> >> >> > >                          data = str(data)
> >> >> > >                      elif isinstance(data, unicode):
> >> >> > >                          data = data.encode('utf8',
> >> >> > > 'xmlcharrefreplace')
> >> >> > >                      self.body.write(data)
> >> >> > > ~~~~~
> >> >> >
> >> >> > > I was planning to escape the data with the escape and quoteattr
> >> >> > > provided from xml.sax.saxutils, but I wasn't successful with
> that,
> >> >> > > so
> >> >> > > I left it out for now.
> >> >> >
> >> >> > > Here's my code snippet:
> >> >> >
> >> >> > > nixie/util/text.py | line 19
> >> >> > > ~~~~~
> >> >> > > import os, subprocess, paths, template
> >> >> >
> >> >> > > def render(inFile):
> >> >> > >      content = pandoc(str(inFile))
> >> >> > >      templateFile = os.path.join(paths.get_prog_root(),
> >> >> > > 'templates',
> >> >> > > 'view.html')
> >> >> > >      styles = []
> >> >> > >      styles.append(os.path.join(paths.get_prog_root(), 'css',
> >> >> > > 'style.css'))
> >> >> > >      return template.render(
> >> >> > >              filename=templateFile,
> >> >> > >              context=dict(content=content, styles=styles)
> >> >> > >          )
> >> >> > > ~~~~~
> >> >> >
> >> >> > > templates/view.html
> >> >> > > ~~~~~
> >> >> > > <html>
> >> >> > > <head>
> >> >> > >    {{for css in styles:}}
> >> >> > >      <link rel="stylesheet" href="{{=css}}" type="text/css" />
> >> >> > >    {{pass}}
> >> >> > > </head>
> >> >> > > <body>
> >> >> > >    {{=content}}
> >> >> > > </body>
> >> >> > > </html>
> >> >> > > ~~~~~
> >> >> >
> >> >> > > When I run this, I get an error message that doesn't really help
> me
> >> >> > > much.  Here's the output:
> >> >> >
> >> >> > > ~~~~~
> >> >> > > C:\projects\nixie>c:\Python26\python.exe Nixie.py README.txt
> >> >> > > Traceback (most recent call last):
> >> >> > >    File "C:\projects\nixie\nixie\qt\NixieAccessManager.py", line
> >> >> > > 41,
> >> >> > > in
> >> >> > > createRequest
> >> >> > >      reply = NixieReply(request.url(), self.GetOperation,
> >> >> > > parent=self)
> >> >> > >    File "C:\projects\nixie\nixie\qt\NixieReply.py", line 30, in
> >> >> > > __init__
> >> >> > >      self.content = text.render(url.toLocalFile())
> >> >> > >    File "C:\projects\nixie\nixie\util\text.py", line 22, in
> render
> >> >> > >      content = pandoc(str(inFile))
> >> >> > >    File "C:\projects\nixie\nixie\util\text.py", line 63, in
> pandoc
> >> >> > >      cwd = cwd
> >> >> > >    File "c:\Python26\lib\subprocess.py", line 623, in __init__
> >> >> > >      errread, errwrite)
> >> >> > >    File "c:\Python26\lib\subprocess.py", line 833, in
> >> >> > > _execute_child
> >> >> > >      startupinfo)
> >> >> > > WindowsError: [Error 123] The filename, directory name, or volume
> >> >> > > label syntax is incorrect
> >> >> > > ~~~~~
> >> >> >
> >> >> > > Although it looks like pandoc(str(inFile)) might be the culprit
> >> >> > > from
> >> >> > > the stack trace, if I just use the output from
> pandoc(str(inFile)),
> >> >> > > everything works fine, so I doubt that this is the cause.
> >> >> >
> >> >> > > I really appreciate your help.  I've started trying Pandoc
> >> >> > > (http://johnmacfarlane.net/pandoc/) instead of the
> python-markdown
> >> >> > > module, and I noticed that Pandoc comes with it's own template
> >> >> > > system.
> >> >> > >   So, it may make more sense for me to use Pandoc's templates
> >> >> > > instead,
> >> >> > > if I decide to go with it.
> >> >> >
> >> >> > > On Sun, Jun 5, 2011 at 10:45 PM, Massimo Di Pierro
> >> >> > > <massimo.dipie...@gmail.com>  wrote:
> >> >> > >> check trunk. I removed it. I am sure we can do better.
> >> >> >
> >> >> > >> On Jun 5, 2011, at 9:26 PM, Ryan Seto wrote:
> >> >> >
> >> >> > >>> Thank you very much for your prompt response.
> >> >> >
> >> >> > >>> It looks like the file gluon/template.py does pull in some
> extra
> >> >> > >>> dependencies, however.
> >> >> >
> >> >> > >>> It tries to import restricted on line 20 and import globals on
> >> >> > >>> line
> >> >> > >>> 863.
> >> >> >
> >> >> > >>> The restricted module dependency may be easy to remove, since
> it
> >> >> > >>> appears that it only uses it for raising exceptions.  However,
> it
> >> >> > >>> looks like the Response object is used from the globals module.
> >> >> >
> >> >> > >>> On Sun, Jun 5, 2011 at 9:12 PM, Massimo Di Pierro
> >> >> > >>> <massimo.dipie...@gmail.com>  wrote:
> >> >> >
> >> >> > >>>> On Jun 4, 7:58 pm, Ryan Seto<mr.werew...@gmail.com>  wrote:
> >> >> > >>>>> I really like how elegant and simple it is to create views in
> >> >> > >>>>> web2py.
> >> >> > >>>>> Would it be possible to use the view/template engine in a
> >> >> > >>>>> standalone
> >> >> > >>>>> application?
> >> >> > >>>> yes.
> >> >> >
> >> >> > >>>> you only need the file gluon/template.py
> >> >> >
> >> >> > >>>> look at the example inside. You only the render function.
> >> >> >
> >> >> > >>>>> I'm writing a desktop application to view formatted text,
> like
> >> >> > >>>>> markdown, using PyQT's QtWebKit to render the generated html,
> >> >> > >>>>> and
> >> >> > >>>>> I
> >> >> > >>>>> would like to integrate web2py's method for generating views
> >> >> > >>>>> into
> >> >> > >>>>> my
> >> >> > >>>>> project.
> >> >> >
> >> >> > >>>>> I've been looking through web2py's source and the mailing
> list,
> >> >> > >>>>> and it
> >> >> > >>>>> seems that response.render( view_text, dict() ) might be the
> >> >> > >>>>> closest
> >> >> > >>>>> thing to what I'm looking for.  However, it looks like
> there's
> >> >> > >>>>> a
> >> >> > >>>>> lot
> >> >> > >>>>> of dependencies wrapped around it and the objects weren't
> made
> >> >> > >>>>> to
> >> >> > >>>>> be
> >> >> > >>>>> used in the context of another application.
> >> >> >
> >> >> > >>>>> If this is the case, would it make sense to compartmentalize
> >> >> > >>>>> the
> >> >> > >>>>> parts
> >> >> > >>>>> for rendering a view into it's own module so they can be used
> >> >> > >>>>> in a
> >> >> > >>>>> standalone application, similar to the dal?  I would be
> willing
> >> >> > >>>>> to
> >> >> > >>>>> come up with a patch for this, if I could get some hints on
> >> >> > >>>>> where
> >> >> > >>>>> to
> >> >> > >>>>> start.
> >> >> >
> >> >> >
> >> >> >
> >> >> >  template.py
> >> >> > 30KViewDownload
> >> >> >
> >> >> >  kverdecia.vcf
> >> >> > < 1KViewDownload
> >> >
> >
> >
>

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