def render(self, context):
text_block = self.text_block.resolve(context)
query = self.query.resolve(context)
kwargs = {}
if self.html_tag is not None:
kwargs['html_tag'] = self.html_tag.resolve(context)
if self.css_class is not None:
kwargs['css_class'] = self.css_class.resolve(context)
if self.max_length is not None:
kwargs['max_length'] = self.max_length.resolve(context)
# Handle a user-defined highlighting function.
if hasattr(settings, 'HAYSTACK_CUSTOM_HIGHLIGHTER') and settings.HAYSTACK_CUSTOM_HIGHLIGHTER:
# Do the import dance.
try:
path_bits = settings.HAYSTACK_CUSTOM_HIGHLIGHTER.split('.')
highlighter_path, highlighter_classname = '.'.join(path_bits[:-1]), path_bits[-1]
highlighter_module = importlib.import_module(highlighter_path)
highlighter_class = getattr(highlighter_module, highlighter_classname)
except (ImportError, AttributeError) as e:
raise ImproperlyConfigured("The highlighter '%s' could not be imported: %s" % (settings.HAYSTACK_CUSTOM_HIGHLIGHTER, e))
else:
from haystack.utils.highlighting import Highlighter
highlighter_class = Highlighter
highlighter = highlighter_class(query, **kwargs)
highlighted_text = highlighter.highlight(text_block)
return highlighted_text
def collect_indexes(self):
indexes = []
for app_mod in haystack_get_app_modules():
try:
search_index_module = importlib.import_module(
"%s.search_indexes" % app_mod.__name__)
except ImportError:
if module_has_submodule(app_mod, "search_indexes"):
raise
continue
for item_name, item in inspect.getmembers(search_index_module,
inspect.isclass):
if getattr(item, "haystack_use_for_indexing",
False) and getattr(item, "get_model", None):
# We've got an index. Check if we should be ignoring it.
class_path = "%s.search_indexes.%s" % (app_mod.__name__,
item_name)
if class_path in self.excluded_indexes or self.excluded_indexes_ids.get(
item_name) == id(item):
self.excluded_indexes_ids[str(item_name)] = id(item)
continue
indexes.append(item())
return indexes
def collect_indexes(self):
indexes = []
for app_mod in haystack_get_app_modules():
try:
search_index_module = importlib.import_module(
"%s.search_indexes" % app_mod.__name__
)
except ImportError:
if module_has_submodule(app_mod, "search_indexes"):
raise
continue
for item_name, item in inspect.getmembers(
search_index_module, inspect.isclass
):
if getattr(item, "haystack_use_for_indexing", False) and getattr(
item, "get_model", None
):
# We've got an index. Check if we should be ignoring it.
class_path = "%s.search_indexes.%s" % (app_mod.__name__, item_name)
if class_path in self.excluded_indexes or self.excluded_indexes_ids.get(
item_name
) == id(
item
):
self.excluded_indexes_ids[str(item_name)] = id(item)
continue
indexes.append(item())
return indexes
def import_class(path):
path_bits = path.split('.')
# Cut off the class name at the end.
class_name = path_bits.pop()
module_path = '.'.join(path_bits)
module_itself = importlib.import_module(module_path)
if not hasattr(module_itself, class_name):
raise ImportError("The Python module '%s' has no '%s' class." % (module_path, class_name))
return getattr(module_itself, class_name)
def import_class(path):
path_bits = path.split('.')
# Cut off the class name at the end.
class_name = path_bits.pop()
module_path = '.'.join(path_bits)
module_itself = importlib.import_module(module_path)
if not hasattr(module_itself, class_name):
raise ImportError("The Python module '%s' has no '%s' class." % (module_path, class_name))
return getattr(module_itself, class_name)
def haystack_get_app_modules():
"""Return the Python module for each installed app"""
return [importlib.import_module(i) for i in settings.INSTALLED_APPS]
def haystack_get_app_modules():
"""Return the Python module for each installed app"""
return [importlib.import_module(i) for i in settings.INSTALLED_APPS]
