Beispiel #1
0
    def __call__(self, client=None, REQUEST={}, RESPONSE=None, **kw):
        """Render the document with the given client object.

        o If supplied, use REQUEST mapping, Response, and key word arguments.
        """
        if not self._cache_namespace_keys:
            data = self.ZCacheable_get(default=_marker)
            if data is not _marker:
                # Return cached results.
                return data

        __traceback_supplement__ = (PathTracebackSupplement, self)
        kw['document_id'] = self.getId()
        kw['document_title'] = self.title
        if hasattr(self, 'aq_explicit'):
            bself = self.aq_explicit
        else:
            bself = self

        security = getSecurityManager()
        security.addContext(self)

        try:
            if client is None:
                # Called as subtemplate, so don't need error propagation!
                r = HTML.__call__(self, bself, REQUEST, **kw)
                if RESPONSE is None:
                    result = r
                else:
                    result = decapitate(r, RESPONSE)
                if not self._cache_namespace_keys:
                    self.ZCacheable_set(result)
                return result

            r = HTML.__call__(self, (client, bself), REQUEST, **kw)

            if RESPONSE is None or not isinstance(r, str):
                if not self._cache_namespace_keys:
                    self.ZCacheable_set(r)
                return r

        finally:
            security.removeContext(self)

        have_key = RESPONSE.headers.__contains__
        if not (have_key('content-type') or have_key('Content-Type')):
            if 'content_type' in self.__dict__:
                c = self.content_type
            else:
                encoding = getattr(self, 'encoding', default_encoding)
                if six.PY2 and not isinstance(r, six.text_type):
                    # Prevent double-encoding edge cases under Python 2
                    r = r.decode(encoding)
                c, e = guess_content_type(self.getId(), r.encode(encoding))
            RESPONSE.setHeader('Content-Type', c)
        result = decapitate(r, RESPONSE)
        if not self._cache_namespace_keys:
            self.ZCacheable_set(result)
        return result
Beispiel #2
0
    def __call__(self, client=None, REQUEST={}, RESPONSE=None, **kw):
        """Render the DTML given a client object, REQUEST mapping,
        Response, and key word arguments."""

        security=getSecurityManager()
        security.addContext(self)
        try:
            return HTML.__call__(self, client, REQUEST, **kw)

        finally: security.removeContext(self)
Beispiel #3
0
    def __call__(self, client=None, REQUEST={}, RESPONSE=None, **kw):
        """Render the document given a client object, REQUEST mapping,
        Response, and key word arguments."""

        self._updateFromFS()

        kw['document_id']   =self.getId()
        kw['document_title']=self.title

        if client is not None:
            if _checkConditionalGET(self, kw):
                return ''

        if not self._cache_namespace_keys:
            data = self.ZCacheable_get(default=_marker)
            if data is not _marker:
                # Return cached results.
                return data

        __traceback_info__ = self._filepath
        security=getSecurityManager()
        security.addContext(self)
        try:
            r = HTML.__call__(self, client, REQUEST, **kw)

            if client is None:
                # Called as subtemplate, so don't need error propagation!
                if RESPONSE is None: result = r
                else: result = decapitate(r, RESPONSE)
                if not self._cache_namespace_keys:
                    self.ZCacheable_set(result)
                return result

            if not isinstance(r, basestring) or RESPONSE is None:
                if not self._cache_namespace_keys:
                    self.ZCacheable_set(r)
                return r

        finally: security.removeContext(self)

        have_key=RESPONSE.headers.has_key
        if not (have_key('content-type') or have_key('Content-Type')):
            if self.__dict__.has_key('content_type'):
                c=self.content_type
            else:
                c, e=guess_content_type(self.getId(), r)
            RESPONSE.setHeader('Content-Type', c)
        if RESPONSE is not None:
            # caching policy manager hook
            _setCacheHeaders(self, {})
        result = decapitate(r, RESPONSE)
        if not self._cache_namespace_keys:
            self.ZCacheable_set(result)
        return result
Beispiel #4
0
    def raise_standardErrorMessage(
        self, client=None, REQUEST={},
        error_type=None, error_value=None, tb=None,
        error_tb=None, error_message='',
        tagSearch=re.compile(r'[a-zA-Z]>').search,
        error_log_url=''):

        try:
            if error_type  is None: error_type =sys.exc_info()[0]
            if error_value is None: error_value=sys.exc_info()[1]

            # allow for a few different traceback options
            if tb is None and error_tb is None:
                tb=sys.exc_info()[2]
            if type(tb) is not type('') and (error_tb is None):
                error_tb = pretty_tb(error_type, error_value, tb)
            elif type(tb) is type('') and not error_tb:
                error_tb = tb

            if hasattr(self, '_v_eek'):
                # Stop if there is recursion.
                raise error_type, error_value, tb
            self._v_eek = 1

            if hasattr(error_type, '__name__'):
                error_name = error_type.__name__
            else:
                error_name = 'Unknown'

            if not error_message:
                try:
                    s = ustr(error_value)
                except:
                    s = error_value
                try:
                    match = tagSearch(s)
                except TypeError:
                    match = None
                if match is not None:
                    error_message=error_value

            if client is None:
                client = self

            if not REQUEST:
                REQUEST = aq_acquire(self, 'REQUEST')

            try:
                s = aq_acquire(client, 'standard_error_message')

                # For backward compatibility, we pass 'error_name' as
                # 'error_type' here as historically this has always
                # been a string.
                kwargs = {'error_type': error_name,
                          'error_value': error_value,
                          'error_tb': error_tb,
                          'error_traceback': error_tb,
                          'error_message': error_message,
                          'error_log_url': error_log_url}

                if getattr(aq_base(s), 'isDocTemp', 0):
                    v = s(client, REQUEST, **kwargs)
                elif callable(s):
                    v = s(**kwargs)
                else:
                    v = HTML.__call__(s, client, REQUEST, **kwargs)
            except:
                logger.error(
                    'Exception while rendering an error message',
                    exc_info=True
                    )
                try:
                    strv = repr(error_value) # quotes tainted strings
                except:
                    strv = ('<unprintable %s object>' % 
                            str(type(error_value).__name__))
                v = strv + (
                    (" (Also, the following error occurred while attempting "
                     "to render the standard error message, please see the "
                     "event log for full details: %s)")%(
                    html_quote(sys.exc_info()[1]),
                    ))

            # If we've been asked to handle errors, just return the rendered
            # exception and let the ZPublisher Exception Hook deal with it.
            return error_type, v, tb
        finally:
            if hasattr(self, '_v_eek'): del self._v_eek
            tb = None