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def join(*paths):
"""Like os.path.join but doesn't treat absolute RHS specially"""
from os import sep
from os.path import normpath
return normpath(sep.join(paths))
def relative(src, dest=None):
""" Return a relative path from src to dest(default=cwd).
>>> relative("/usr/bin", "/tmp/foo/bar")
../../tmp/foo/bar
>>> relative("/usr/bin", "/usr/lib")
../lib
>>> relative("/tmp", "/tmp/foo/bar")
foo/bar
"""
if dest is None:
dest = getcwd()
if hasattr(os.path, "relpath"):
return os.path.relpath(dest, src)
else:
from os import getcwd, sep
from os.path import abspath, normpath
srclist = abspath(src).split(sep)
destlist = abspath(dest).split(sep)
loc = [spath == dpath for spath, dpath in zip(srclist, destlist)].index(False)
rellist = ([ ".." ] * (len(srclist) - loc)) + destlist[loc:]
return sep.join(rellist)
def format_display(path, metadata):
""" Prepare a path for display to the user. """
rel = relative(metadata.getVar("TOPDIR", 1), path)
if len(rel) > len(path):
return path
else:
return rel
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