Пример #1
0
    def render(self, formatter):
        """ renders formular  """

        _ = self._

        # checks if initializing of all attributes in __init__ was done
        if not self.init_settings:
            return

        text = """%(mathtran_server)s?;D=%(scale_factor)s;tex=%(formular)s""" % {
                                                                                 "mathtran_server": self.mathtran_server,
                                                                                 "formular": wikiutil.url_quote(self.raw),
                                                                                 "scale_factor": self.scale_factor,
                                                                                }
        key = cache.key(self.request, itemname=self.pagename, content=text)
        if not cache.exists(self.request, key) and urllib:
            # ToDo add a timeout
            image = urllib.urlopen(text)
            cache.put(self.request, key, image.read(),
                      content_type="image/png")
        if cache.exists(self.request, key):
            credits = """<a href="http://www.mathtran.org/" title="MoinMoin uses the Mathtran Online translation of mathematical content software.">MathTran Powered</a>"""
            if not credits in self.request.cfg.page_credits:
                self.request.cfg.page_credits.append(credits)
                # ToDo show the credits only on pages using the parser extension
        return formatter.image(src=cache.url(self.request, key), alt=self.raw)
Пример #2
0
    def render(self, formatter):
        """text to image conversion"""
        key = 'aafigure_%s' % (cache.key(self.request,
                                         itemname=self.pagename,
                                         content="%s%s" %
                                         (self.raw, self.args)), )
        if not cache.exists(self.request, key) or not cache.exists(
                self.request, key + '_size'):
            # not in cache, regenerate image
            options = dict(format='svg')
            for arg in self.args.split():
                try:
                    k, v = arg.split('=', 1)
                except ValueError:  # when splitting fails
                    k = arg
                    v = None
                if k == 'aspect':
                    options['aspect'] = float(v)
                elif k == 'scale':
                    options['scale'] = float(v)
                elif k == 'textual':
                    options['textual'] = True
                elif k == 'proportional':
                    options['proportional'] = True
                elif k == 'linewidth':
                    options['linewidth'] = float(v)
                elif k == 'foreground':
                    options['foreground'] = sanitizte_color(v)
                elif k == 'fill':
                    options['fill'] = sanitizte_color(v)
                # no 'background' as SVG backend ignores that
                # no generic options
                # XXX unknown options are ignored with no message

            visitor, output = aafigure.render(self.raw, None, options)
            cache.put(self.request,
                      key,
                      output.getvalue(),
                      content_type="image/svg+xml")
            # need to store the size attributes too
            cache.put(self.request,
                      key + '_size',
                      visitor.get_size_attrs(),
                      content_type="text/plain")

        # get the information from the cache
        #~ return formatter.image(src=cache.url(self.request, key), alt=xxx)
        # XXX this currently only works for HTML, obviously...
        return formatter.rawHTML(
            '<object type="image/svg+xml" data="%s" %s></object>' % (
                cache.url(self.request, key),
                cache._get_datafile(
                    self.request,
                    key + '_size').read()  # XXX no way to directly read cache?
            ))
Пример #3
0
    def render(self, formatter):
        """text to image conversion"""
        key = 'aafigure_%s' % (cache.key(self.request, itemname=self.pagename, content="%s%s" % (self.raw, self.args)),)
        if not cache.exists(self.request, key) or not cache.exists(self.request, key+'_size'):
            # not in cache, regenerate image
            options = dict(format='svg')
            for arg in self.args.split():
                try:
                    k, v = arg.split('=', 1)
                except ValueError:  # when splitting fails
                    k = arg
                    v = None
                if k == 'aspect':
                    options['aspect'] = float(v)
                elif k == 'scale':
                    options['scale'] = float(v)
                elif k == 'textual':
                    options['textual'] = True
                elif k == 'proportional':
                    options['proportional'] = True
                elif k == 'linewidth':
                    options['linewidth'] = float(v)
                elif k == 'foreground':
                    options['foreground'] = sanitizte_color(v)
                elif k == 'fill':
                    options['fill'] = sanitizte_color(v)
                # no 'background' as SVG backend ignores that
                # no generic options
                # XXX unknown options are ignored with no message

            visitor, output = aafigure.render(self.raw, None, options)
            cache.put(self.request, key, output.getvalue(), content_type="image/svg+xml")
            # need to store the size attributes too
            cache.put(self.request, key+'_size', visitor.get_size_attrs(), content_type="text/plain")

        # get the information from the cache
        #~ return formatter.image(src=cache.url(self.request, key), alt=xxx)
        # XXX this currently only works for HTML, obviously...
        return formatter.rawHTML('<object type="image/svg+xml" data="%s" %s></object>' % (
            cache.url(self.request, key),
            cache._get_datafile(self.request, key+'_size').read() # XXX no way to directly read cache?
        ))
Пример #4
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    def render(self, formatter):
        from MoinMoin.action import cache

        # checks if initializing of all attributes in __init__ was done
        if not self.init_settings:
            return

        # check if diagram on this page has been rendered before
        key = cache.key(self.request, itemname=self.pagename, content=self.raw)
        if not cache.exists(self.request, key):
            image = urllib.urlopen(createYumlUrl(self.raw), proxies=proxies)
            cache.put(self.request, key, image.read(), content_type="image/png")

        return formatter.image(src=cache.url(self.request, key), alt=self.raw)
Пример #5
0
def cache_exists(request, key):
    if getattr(request.cfg, "gwiki_cache_invalidate", False):
        return False

    return cache.exists(request, key)
Пример #6
0
def cache_exists(request, key):
    if getattr(request.cfg, 'gwiki_cache_invalidate', False):
        return False

    return cache.exists(request, key)