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Utils/Misc: Port common prefix function from WA

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Adds a utility function to determine the lowest common base path of a
passed list of files.
This commit is contained in:
Marc Bonnici 2017-11-09 16:53:31 +00:00
parent bd03b2f8ac
commit 405c155b96
1 changed files with 13 additions and 0 deletions
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13
devlib/utils/misc.py
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@ -445,6 +445,19 @@ def as_relative(path):
return path.lstrip(os.sep) return path.lstrip(os.sep)
def commonprefix(file_list, sep=os.sep):
"""
Find the lowest common base folder of a passed list of files.
"""
common_path = os.path.commonprefix(file_list)
cp_split = common_path.split(sep)
other_split = file_list[0].split(sep)
last = len(cp_split) - 1
if cp_split[last] != other_split[last]:
cp_split = cp_split[:-1]
return sep.join(cp_split)
def get_cpu_mask(cores): def get_cpu_mask(cores):
"""Return a string with the hex for the cpu mask for the specified core numbers.""" """Return a string with the hex for the cpu mask for the specified core numbers."""
mask = 0 mask = 0