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"""macostools - Various utility functions for MacOS.
mkalias(src, dst) - Create a finder alias 'dst' pointing to 'src'
copy(src, dst) - Full copy of 'src' to 'dst'
"""
import macfs
import Res
import os
Error = 'macostools.Error'
FSSpecType = type(macfs.FSSpec(':'))
BUFSIZ=0x100000 # Copy in 1Mb chunks
#
# Not guaranteed to be correct or stay correct (Apple doesn't tell you
# how to do this), but it seems to work.
#
def mkalias(src, dst):
"""Create a finder alias"""
srcfss = macfs.FSSpec(src)
dstfss = macfs.FSSpec(dst)
alias = srcfss.NewAlias()
srcfinfo = srcfss.GetFInfo()
Res.FSpCreateResFile(dstfss, srcfinfo.Creator, srcfinfo.Type, -1)
h = Res.FSpOpenResFile(dstfss, 3)
resource = Res.Resource(alias.data)
resource.AddResource('alis', 0, '')
Res.CloseResFile(h)
dstfinfo = dstfss.GetFInfo()
dstfinfo.Flags = dstfinfo.Flags|0x8000 # Alias flag
dstfss.SetFInfo(dstfinfo)
def mkdirs(dst):
"""Make directories leading to 'dst' if they don't exist yet"""
if dst == '' or os.path.exists(dst):
return
head, tail = os.path.split(dst)
print 'XX', dst, '->', (head, tail)
# XXXX Is this a bug in os.path.split?
if not ':' in head:
head = head + ':'
mkdirs(head)
os.mkdir(dst, 0777)
def copy(src, dst, createpath=0):
"""Copy a file, including finder info, resource fork, etc"""
if createpath:
mkdirs(os.path.split(dst)[0])
srcfss = macfs.FSSpec(src)
dstfss = macfs.FSSpec(dst)
ifp = open(srcfss.as_pathname(), 'rb')
ofp = open(dstfss.as_pathname(), 'wb')
d = ifp.read(BUFSIZ)
while d:
ofp.write(d)
d = ifp.read(BUFSIZ)
ifp.close()
ofp.close()
ifp = open(srcfss.as_pathname(), '*rb')
ofp = open(dstfss.as_pathname(), '*wb')
d = ifp.read(BUFSIZ)
while d:
ofp.write(d)
d = ifp.read(BUFSIZ)
ifp.close()
ofp.close()
sf = srcfss.GetFInfo()
df = dstfss.GetFInfo()
df.Creator, df.Type, df.Flags = sf.Creator, sf.Type, sf.Flags
dstfss.SetFInfo(df)
def copytree(src, dst):
"""Copy a complete file tree to a new destination"""
if os.path.isdir(src):
mkdirs(dst)
files = os.listdir(src)
for f in files:
copytree(os.path.join(src, f), os.path.join(dst, f))
else:
copy(src, dst, 1)
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