def detail_link(thing):
"""
Get a link to a detail view that can be shown for an
object with this type
For example, a 'treephoto' instance provides a link to
the given tree.
"""
name = thing.__class__.__name__
nameLower = name.lower()
if nameLower in MODEL_DETAILS:
return MODEL_DETAILS[nameLower](thing)
elif MapFeature.has_subclass(name):
return MODEL_DETAILS['mapfeature'](thing)
else:
return None
def detail_link(thing):
"""
Get a link to a detail view that can be shown for an
object with this type
For example, a 'treephoto' instance provides a link to
the given tree.
"""
name = thing.__class__.__name__
nameLower = name.lower()
if nameLower in MODEL_DETAILS:
return MODEL_DETAILS[nameLower](thing)
elif MapFeature.has_subclass(name):
return MODEL_DETAILS['mapfeature'](thing)
else:
return None
def safe_get_model_class(model_string):
"""
In a couple of cases we want to be able to convert a string
into a valid django model class. For instance, if we have
'Plot' we want to get the actual class for 'treemap.models.Plot'
in a safe way.
This function returns the class represented by the given model
if it exists in 'treemap.models'
"""
from treemap.models import MapFeature
# All of our models live in 'treemap.models', so
# we can start with that namespace
models_module = __import__('treemap.models')
if hasattr(models_module.models, model_string):
return getattr(models_module.models, model_string)
elif MapFeature.has_subclass(model_string):
return MapFeature.get_subclass(model_string)
else:
raise ValidationError(trans('invalid model type'))
def safe_get_model_class(model_string):
"""
In a couple of cases we want to be able to convert a string
into a valid django model class. For instance, if we have
'Plot' we want to get the actual class for 'treemap.models.Plot'
in a safe way.
This function returns the class represented by the given model
if it exists in 'treemap.models'
"""
from treemap.models import MapFeature
# All of our models live in 'treemap.models', so
# we can start with that namespace
models_module = __import__('treemap.models')
if hasattr(models_module.models, model_string):
return getattr(models_module.models, model_string)
elif MapFeature.has_subclass(model_string):
return MapFeature.get_subclass(model_string)
else:
raise ValidationError(trans('invalid model type: "%s"') % model_string)
