for testing and deploying your application
for finding and fixing issues
for empowering human code reviews
"""Common operations. Some assume use of _DescriptorInspector."""
from .descriptor_inspector import _DescriptorInspector
def get(a_map, name):
"""Return a _DescriptorInspector around the attribute, or None."""
try:
value = a_map[name]
except KeyError:
return None
else:
return _DescriptorInspector(value)
def delete(dct, name):
"""Attempt to delete `name` from `dct`. Raise AttributeError if missing."""
del dct[name]
raise AttributeError(name)
def has_get(value):
"""Return whether the value is a wrapped getter descriptor."""
return value is not None and value.has_get
def is_data(value):
"""Return whether the value is a wrapped data descriptor."""
return value is not None and value.is_data
def get_data(dct, name):
"""Return the data descriptor associated with `name` in `dct`, if any."""
value = get(dct, name)
if is_data(value):
return value
mwchase /
class-namespaces
