def _render_obj(self, obj):
"""
Render object to string.
"""
if isinstance(obj, basestring):
return obj
## 'plone.global_sections' viewlet uses request['URL'] highlight
## selected tab, so it must be overridden but only for a while
initial_url = self.request['URL']
try:
obj_url = obj.absolute_url()
except AttributeError:
try:
obj_url = obj.context.absolute_url()
except AttributeError:
obj_url = None
if obj_url:
self.request['URL'] = obj_url
## breadcrumb implementation in quills uses 'PARENTS', so it must
## be overriden but ony for a while
initial_parents = self.request['PARENTS']
if hasattr(obj, 'aq_chain'):
self.request['PARENTS'] = obj.aq_chain
try:
if IResource.providedBy(obj):
try:
f = open(obj.context.path)
result = f.read()
f.close()
except IOError:
log.error("Couldn't open '%s' file with resource" % obj.context.path)
return None
return result
if isinstance(obj, (BrowserView, FSPageTemplate, PythonScript)):
try:
return obj()
except NotFound:
log.error("Resource '%s' not found" % repr(obj))
return None
if isinstance(obj, (FSFile, FSImage)):
return self._render_obj(obj._readFile(None))
if isinstance(obj, FSDTMLMethod):
return self._render_obj(obj.read())
mt = None
try:
mt = obj.aq_base.meta_type
except AttributeError:
pass
if mt in self.file_types or isinstance(obj, (ImageField, OFSImage, Pdata, File)):
return self._render_obj(obj.data)
if PLONE_RESOURCE_INSTALLED and isinstance(obj, FilesystemFile):
if not obj.request:
obj.request = self.request
return obj().read()
if PLONE_APP_BLOB_INSTALLED and IBlobWrapper.providedBy(obj):
return obj.data
if IBaseObject.providedBy(obj) or isinstance(obj, PloneSite):
def_page_id = obj.getDefaultPage()
if def_page_id:
def_page = obj[def_page_id]
return self._render_obj(def_page)
view_name = obj.getLayout()
view = queryMultiAdapter((obj, self.request), name=view_name)
if view_name == 'language-switcher':
lang = self.request.get('LANGUAGE')
def_page = getattr(obj, lang, None)
if def_page:
return self._render_obj(def_page)
if view:
try:
return view.context()
except (ContentProviderLookupError, TypeError):
pass
view = obj.restrictedTraverse(view_name, None)
if view:
try:
return view.context()
except (AttributeError, TypeError):
try:
return view()
except Exception, error:
log.warning("Unable to render view: '%s'! Error occurred: %s" % (view, error))
pass
else:
try:
return obj()
except AttributeError:
pass
finally:
## back to initial url
if obj_url:
self.request['URL'] = initial_url
## back to initial parents
self.request['PARENTS'] = initial_parents
log.warning("Not recognized object '%s'!" % repr(obj))
return None
def _render_obj(self, obj, new_req=None):
"""
Render object to string.
"""
if isinstance(obj, basestring):
return obj
if new_req is None:
new_req = self.request
## 'plone.global_sections' viewlet uses request['URL'] highlight
## selected tab, so it must be overridden but only for a while
try:
if IResource.providedBy(obj):
try:
f = open(obj.context.path)
result = f.read()
f.close()
except AttributeError:
result = obj.context.data
except IOError:
log.error("Couldn't open '%s' file with resource" % (
obj.context.path))
return None
return result
if isinstance(obj, (BrowserView, FSPageTemplate, PythonScript)):
try:
return obj()
except NotFound:
log.error("Resource '%s' not found" % repr(obj))
return None
if isinstance(obj, (FSFile, FSImage)):
return self._render_obj(obj._readFile(None))
if isinstance(obj, FSDTMLMethod):
return self._render_obj(obj.read())
mt = None
try:
mt = obj.aq_base.portal_type
except AttributeError:
pass
if mt in self.file_types or isinstance(obj,
(ImageField, OFSImage, Pdata, File)):
return self._render_obj(obj.data)
if PLONE_RESOURCE_INSTALLED and isinstance(obj, FilesystemFile):
if not obj.request:
obj.request = new_req
return obj().read()
if PLONE_APP_BLOB_INSTALLED and IBlobWrapper.providedBy(obj):
return obj.data
if PLONE_NAMEDFILE_INSTALLED and \
INamed.providedBy(obj):
return obj.data
if IBaseObject.providedBy(obj) or isinstance(obj, PloneSite) or \
DEXTERITY_INSTALLED and IDexterityContent.providedBy(obj):
default_page_helper = getMultiAdapter((obj, self.request),
name='default_page')
def_page_id = default_page_helper.getDefaultPage()
if def_page_id:
def_page = obj[def_page_id]
return self._render_obj(def_page)
view_name = obj.getLayout()
view = queryMultiAdapter((obj, new_req), name=view_name)
if view_name == 'language-switcher':
lang = new_req.get('LANGUAGE')
def_page = getattr(obj, lang, None)
if def_page:
return self._render_obj(def_page)
if view:
try:
return view.context()
except (ContentProviderLookupError, TypeError):
pass
view = obj.restrictedTraverse(view_name, None)
if view:
try:
return view.context()
except (AttributeError, TypeError):
try:
return view()
except Exception, error:
log.warning(
"Unable to render view: '%s'! Error occurred: %s" % (
view, error))
else:
try:
return obj()
except AttributeError:
pass
finally:
pass
log.warning("Not recognized object '%s'!" % repr(obj))
return None