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"""Data file path abstraction.
Functions in this module use sysconfig to find the paths to the resource
files registered in project's setup.cfg file. See the documentation for
more information.
"""
# TODO write that documentation
from packaging.database import get_distribution
__all__ = ['get_file_path', 'get_file']
def get_file_path(distribution_name, relative_path):
"""Return the path to a resource file."""
dist = get_distribution(distribution_name)
if dist != None:
return dist.get_resource_path(relative_path)
raise LookupError('no distribution named %r found' % distribution_name)
def get_file(distribution_name, relative_path, *args, **kwargs):
"""Open and return a resource file."""
return open(get_file_path(distribution_name, relative_path),
*args, **kwargs)
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