from fontTools.misc.textTools import Tag, bytesjoin, strjoin
try:
import xattr
except ImportError:
xattr = None
def _reverseString(s):
s = list(s)
s.reverse()
return strjoin(s)
[docs]
def getMacCreatorAndType(path):
"""Returns file creator and file type codes for a path.
Args:
path (str): A file path.
Returns:
A tuple of two :py:class:`fontTools.textTools.Tag` objects, the first
representing the file creator and the second representing the
file type.
"""
if xattr is not None:
try:
finderInfo = xattr.getxattr(path, "com.apple.FinderInfo")
except (KeyError, IOError):
pass
else:
fileType = Tag(finderInfo[:4])
fileCreator = Tag(finderInfo[4:8])
return fileCreator, fileType
return None, None
[docs]
def setMacCreatorAndType(path, fileCreator, fileType):
"""Set file creator and file type codes for a path.
Note that if the ``xattr`` module is not installed, no action is
taken but no error is raised.
Args:
path (str): A file path.
fileCreator: A four-character file creator tag.
fileType: A four-character file type tag.
"""
if xattr is not None:
from fontTools.misc.textTools import pad
if not all(len(s) == 4 for s in (fileCreator, fileType)):
raise TypeError("arg must be string of 4 chars")
finderInfo = pad(bytesjoin([fileType, fileCreator]), 32)
xattr.setxattr(path, "com.apple.FinderInfo", finderInfo)