def _get_callback(self):
if self._callback is not None:
return self._callback
try:
self._callback = get_callable(self._callback_str)
except ImportError as e:
mod_name, _ = get_mod_func(self._callback_str)
raise ViewDoesNotExist("Could not import %s. Error was: %s" %
(mod_name, str(e)))
except AttributeError as e:
mod_name, func_name = get_mod_func(self._callback_str)
raise ViewDoesNotExist("Tried %s in module %s. Error was: %s" %
(func_name, mod_name, str(e)))
return self._callback
def _resolve_special(self, view_type):
callback = getattr(self.urlconf_module, 'handler%s' % view_type)
try:
return get_callable(callback), {}
except (ImportError, AttributeError) as e:
raise ViewDoesNotExist("Tried %s. Error was: %s" %
(callback, str(e)))
def _get_callback(self):
if self._callback is not None:
return self._callback
try:
self._callback = get_callable(self._callback_str)
except ImportError, e:
mod_name, _ = get_mod_func(self._callback_str)
raise ViewDoesNotExist("Could not import %s. Error was: %s" % (mod_name, str(e)))
class RegexURLPattern(object):
def __init__(self, regex, callback, default_args=None, name=None):
# regex is a string representing a regular expression.
# callback is either a string like 'foo.views.news.stories.story_detail'
# which represents the path to a module and a view function name, or a
# callable object (view).
self.regex = re.compile(regex, re.UNICODE)
if callable(callback):
self._callback = callback
else:
self._callback = None
self._callback_str = callback
self.default_args = default_args or {}
self.name = name
def __repr__(self):
return '<%s %s %s>' % (self.__class__.__name__, self.name, self.regex.pattern)
def add_prefix(self, prefix):
"""
Adds the prefix string to a string-based callback.
"""
if not prefix or not hasattr(self, '_callback_str'):
return
self._callback_str = prefix + '.' + self._callback_str
def resolve(self, path):
match = self.regex.search(path)
if match:
# If there are any named groups, use those as kwargs, ignoring
# non-named groups. Otherwise, pass all non-named arguments as
# positional arguments.
kwargs = match.groupdict()
if kwargs:
args = ()
else:
args = match.groups()
# In both cases, pass any extra_kwargs as **kwargs.
kwargs.update(self.default_args)
return self.callback, args, kwargs
def _get_callback(self):
if self._callback is not None:
return self._callback
try:
self._callback = get_callable(self._callback_str)
except ImportError, e:
mod_name, _ = get_mod_func(self._callback_str)
raise ViewDoesNotExist("Could not import %s. Error was: %s" % (mod_name, str(e)))
except AttributeError, e:
mod_name, func_name = get_mod_func(self._callback_str)
raise ViewDoesNotExist("Tried %s in module %s. Error was: %s" % (func_name, mod_name, str(e)))