95 lines
2.2 KiB
Python
95 lines
2.2 KiB
Python
"""macostools - Various utility functions for MacOS.
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mkalias(src, dst) - Create a finder alias 'dst' pointing to 'src'
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copy(src, dst) - Full copy of 'src' to 'dst'
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"""
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import macfs
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import Res
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import os
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from MACFS import *
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import MacOS
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try:
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openrf = MacOS.openrf
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except AttributeError:
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# Backward compatability
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openrf = open
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Error = 'macostools.Error'
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FSSpecType = type(macfs.FSSpec(':'))
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BUFSIZ=0x80000 # Copy in 0.5Mb chunks
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#
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# Not guaranteed to be correct or stay correct (Apple doesn't tell you
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# how to do this), but it seems to work.
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#
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def mkalias(src, dst):
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"""Create a finder alias"""
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srcfss = macfs.FSSpec(src)
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dstfss = macfs.FSSpec(dst)
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alias = srcfss.NewAlias()
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srcfinfo = srcfss.GetFInfo()
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Res.FSpCreateResFile(dstfss, srcfinfo.Creator, srcfinfo.Type, -1)
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h = Res.FSpOpenResFile(dstfss, 3)
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resource = Res.Resource(alias.data)
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resource.AddResource('alis', 0, '')
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Res.CloseResFile(h)
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dstfinfo = dstfss.GetFInfo()
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dstfinfo.Flags = dstfinfo.Flags|0x8000 # Alias flag
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dstfss.SetFInfo(dstfinfo)
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def mkdirs(dst):
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"""Make directories leading to 'dst' if they don't exist yet"""
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if dst == '' or os.path.exists(dst):
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return
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head, tail = os.path.split(dst)
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if not ':' in head:
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head = head + ':'
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mkdirs(head)
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os.mkdir(dst, 0777)
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def copy(src, dst, createpath=0):
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"""Copy a file, including finder info, resource fork, etc"""
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if createpath:
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mkdirs(os.path.split(dst)[0])
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srcfss = macfs.FSSpec(src)
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dstfss = macfs.FSSpec(dst)
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ifp = open(srcfss.as_pathname(), 'rb')
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ofp = open(dstfss.as_pathname(), 'wb')
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d = ifp.read(BUFSIZ)
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while d:
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ofp.write(d)
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d = ifp.read(BUFSIZ)
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ifp.close()
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ofp.close()
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ifp = openrf(srcfss.as_pathname(), '*rb')
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ofp = openrf(dstfss.as_pathname(), '*wb')
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d = ifp.read(BUFSIZ)
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while d:
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ofp.write(d)
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d = ifp.read(BUFSIZ)
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ifp.close()
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ofp.close()
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sf = srcfss.GetFInfo()
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df = dstfss.GetFInfo()
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df.Creator, df.Type = sf.Creator, sf.Type
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df.Flags = (sf.Flags & (kIsStationary|kNameLocked|kHasBundle|kIsInvisible|kIsAlias))
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dstfss.SetFInfo(df)
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def copytree(src, dst):
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"""Copy a complete file tree to a new destination"""
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if os.path.isdir(src):
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mkdirs(dst)
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files = os.listdir(src)
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for f in files:
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copytree(os.path.join(src, f), os.path.join(dst, f))
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else:
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copy(src, dst, 1)
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