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import os
from .group import Group
def splitall(path):
if path == "/":
return ["/"]
s = os.path.split(path)
return splitall(s[0]) + [s[1]]
def resolve(vol_spec, path):
parts = splitall(path)
if len(parts) != 4 or os.path.join(parts[0], parts[1]) != vol_spec.subvolume_prefix:
return None
groupname = None if parts[2] == Group.NO_GROUP_NAME else parts[2]
subvolname = parts[3]
return (groupname, subvolname)
def resolve_trash(vol_spec, path):
parts = splitall(path)
if len(parts) != 6 or os.path.join(parts[0], parts[1]) != vol_spec.subvolume_prefix or \
parts[4] != '.trash':
return None
groupname = None if parts[2] == Group.NO_GROUP_NAME else parts[2]
subvolname = parts[3]
return (groupname, subvolname)
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