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142 lines
4.1 KiB
Python
142 lines
4.1 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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from Carbon import Res
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from Carbon import File, Files
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import os
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import sys
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import MacOS
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import time
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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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BUFSIZ=0x80000 # Copy in 0.5Mb chunks
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COPY_FLAGS = (Files.kIsStationary|Files.kNameLocked|Files.kHasBundle|
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Files.kIsInvisible|Files.kIsAlias)
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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, relative=None):
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"""Create a finder alias"""
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srcfsr = File.FSRef(src)
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# The next line will fail under unix-Python if the destination
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# doesn't exist yet. We should change this code to be fsref-based.
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dstdir, dstname = os.path.split(dst)
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if not dstdir: dstdir = os.curdir
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dstdirfsr = File.FSRef(dstdir)
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if relative:
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relativefsr = File.FSRef(relative)
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# ik mag er geen None in stoppen :-(
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alias = File.FSNewAlias(relativefsr, srcfsr)
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else:
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alias = srcfsr.FSNewAliasMinimal()
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dstfsr, dstfss = Res.FSCreateResourceFile(dstdirfsr, unicode(dstname),
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File.FSGetResourceForkName())
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h = Res.FSOpenResourceFile(dstfsr, File.FSGetResourceForkName(), 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.FSpGetFInfo()
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dstfinfo.Flags = dstfinfo.Flags|0x8000 # Alias flag
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dstfss.FSpSetFInfo(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 os.sep == ':' and 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 touched(dst):
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"""Tell the finder a file has changed. No-op on MacOSX."""
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if sys.platform != 'mac': return
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import warnings
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warnings.filterwarnings("ignore", "macfs.*", DeprecationWarning, __name__)
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import macfs
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file_fss = macfs.FSSpec(dst)
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vRefNum, dirID, name = file_fss.as_tuple()
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dir_fss = macfs.FSSpec((vRefNum, dirID, ''))
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crdate, moddate, bkdate = dir_fss.GetDates()
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now = time.time()
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if now == moddate:
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now = now + 1
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try:
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dir_fss.SetDates(crdate, now, bkdate)
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except macfs.error:
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pass
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def touched_ae(dst):
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"""Tell the finder a file has changed"""
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pardir = os.path.split(dst)[0]
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if not pardir:
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pardir = os.curdir
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import Finder
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f = Finder.Finder()
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f.update(File.FSRef(pardir))
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def copy(src, dst, createpath=0, copydates=1, forcetype=None):
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"""Copy a file, including finder info, resource fork, etc"""
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src = File.pathname(src)
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dst = File.pathname(dst)
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if createpath:
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mkdirs(os.path.split(dst)[0])
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ifp = open(src, 'rb')
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ofp = open(dst, '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(src, '*rb')
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ofp = openrf(dst, '*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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srcfss = File.FSSpec(src)
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dstfss = File.FSSpec(dst)
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sf = srcfss.FSpGetFInfo()
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df = dstfss.FSpGetFInfo()
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df.Creator, df.Type = sf.Creator, sf.Type
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if forcetype != None:
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df.Type = forcetype
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df.Flags = (sf.Flags & COPY_FLAGS)
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dstfss.FSpSetFInfo(df)
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if copydates:
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srcfsr = File.FSRef(src)
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dstfsr = File.FSRef(dst)
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catinfo, _, _, _ = srcfsr.FSGetCatalogInfo(Files.kFSCatInfoAllDates)
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dstfsr.FSSetCatalogInfo(Files.kFSCatInfoAllDates, catinfo)
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touched(dstfss)
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def copytree(src, dst, copydates=1):
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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), copydates)
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else:
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copy(src, dst, 1, copydates)
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