45 lines
1.2 KiB
Python
45 lines
1.2 KiB
Python
|
def join(*paths):
|
||
|
"""Like os.path.join but doesn't treat absolute RHS specially"""
|
||
|
import os.path
|
||
|
return os.path.normpath("/".join(paths))
|
||
|
|
||
|
def relative(src, dest):
|
||
|
""" Return a relative path from src to dest.
|
||
|
|
||
|
>>> relative("/usr/bin", "/tmp/foo/bar")
|
||
|
../../tmp/foo/bar
|
||
|
|
||
|
>>> relative("/usr/bin", "/usr/lib")
|
||
|
../lib
|
||
|
|
||
|
>>> relative("/tmp", "/tmp/foo/bar")
|
||
|
foo/bar
|
||
|
"""
|
||
|
import os.path
|
||
|
|
||
|
if hasattr(os.path, "relpath"):
|
||
|
return os.path.relpath(dest, src)
|
||
|
else:
|
||
|
destlist = os.path.normpath(dest).split(os.path.sep)
|
||
|
srclist = os.path.normpath(src).split(os.path.sep)
|
||
|
|
||
|
# Find common section of the path
|
||
|
common = os.path.commonprefix([destlist, srclist])
|
||
|
commonlen = len(common)
|
||
|
|
||
|
# Climb back to the point where they differentiate
|
||
|
relpath = [ os.path.pardir ] * (len(srclist) - commonlen)
|
||
|
if commonlen < len(destlist):
|
||
|
# Add remaining portion
|
||
|
relpath += destlist[commonlen:]
|
||
|
|
||
|
return os.path.sep.join(relpath)
|
||
|
|
||
|
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
|