If you could, let me try and get my solution to work.

When I'm done, should I post a patch here in the group or should I
email it directly to you?

On Mon, Jun 6, 2011 at 2:26 PM, Thadeus Burgess <thade...@thadeusb.com> wrote:
> 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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