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
>> >
>
>
