Source code for traits.util.import_symbol
""" A function to import symbols. """
[docs]def import_symbol(symbol_path):
""" Import the symbol defined by the specified symbol path.
Examples
--------
import_symbol('tarfile:TarFile') -> TarFile
import_symbol('tarfile:TarFile.open') -> TarFile.open
To allow compatibility with old-school traits symbol names we also allow
all-dotted paths, but in this case you can only import top-level names
from the module.
import_symbol('tarfile.TarFile') -> TarFile
"""
if ':' in symbol_path:
module_name, symbol_name = symbol_path.split(':')
module = __import__(module_name, {}, {}, [symbol_name], 0)
symbol = eval(symbol_name, module.__dict__)
else:
components = symbol_path.split('.')
module_name = '.'.join(components[:-1])
symbol_name = components[-1]
module = __import__(module_name, {}, {}, [symbol_name], 0)
symbol = getattr(module, symbol_name)
return symbol
#### EOF ######################################################################