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Diffstat (limited to 'Lib/plat-mac/cfmfile.py')
-rw-r--r-- | Lib/plat-mac/cfmfile.py | 183 |
1 files changed, 0 insertions, 183 deletions
diff --git a/Lib/plat-mac/cfmfile.py b/Lib/plat-mac/cfmfile.py deleted file mode 100644 index df157fde8c..0000000000 --- a/Lib/plat-mac/cfmfile.py +++ /dev/null @@ -1,183 +0,0 @@ -"""codefragments.py -- wrapper to modify code fragments.""" - -# (c) 1998, Just van Rossum, Letterror - -__version__ = "0.8b3" -__author__ = "jvr" - -import Carbon.File -import struct -from Carbon import Res -import os -import sys - -DEBUG = 0 - -error = "cfm.error" - -BUFSIZE = 0x80000 - -def mergecfmfiles(srclist, dst, architecture = 'fat'): - """Merge all files in srclist into a new file dst. - - If architecture is given, only code fragments of that type will be used: - "pwpc" for PPC, "m68k" for cfm68k. This does not work for "classic" - 68k code, since it does not use code fragments to begin with. - If architecture is None, all fragments will be used, enabling FAT binaries. - """ - - srclist = list(srclist) - for i in range(len(srclist)): - srclist[i] = Carbon.File.pathname(srclist[i]) - dst = Carbon.File.pathname(dst) - - dstfile = open(dst, "wb") - rf = Res.FSpOpenResFile(dst, 3) - try: - dstcfrg = CfrgResource() - for src in srclist: - srccfrg = CfrgResource(src) - for frag in srccfrg.fragments: - if frag.architecture == 'pwpc' and architecture == 'm68k': - continue - if frag.architecture == 'm68k' and architecture == 'pwpc': - continue - dstcfrg.append(frag) - - frag.copydata(dstfile) - - cfrgres = Res.Resource(dstcfrg.build()) - Res.UseResFile(rf) - cfrgres.AddResource('cfrg', 0, "") - finally: - dstfile.close() - rf = Res.CloseResFile(rf) - - -class CfrgResource: - - def __init__(self, path = None): - self.version = 1 - self.fragments = [] - self.path = path - if path is not None and os.path.exists(path): - currentresref = Res.CurResFile() - resref = Res.FSpOpenResFile(path, 1) - Res.UseResFile(resref) - try: - try: - data = Res.Get1Resource('cfrg', 0).data - except Res.Error: - raise Res.Error, "no 'cfrg' resource found", sys.exc_traceback - finally: - Res.CloseResFile(resref) - Res.UseResFile(currentresref) - self.parse(data) - if self.version != 1: - raise error, "unknown 'cfrg' resource format" - - def parse(self, data): - (res1, res2, self.version, - res3, res4, res5, res6, - self.memberCount) = struct.unpack("8l", data[:32]) - data = data[32:] - while data: - frag = FragmentDescriptor(self.path, data) - data = data[frag.memberSize:] - self.fragments.append(frag) - - def build(self): - self.memberCount = len(self.fragments) - data = struct.pack("8l", 0, 0, self.version, 0, 0, 0, 0, self.memberCount) - for frag in self.fragments: - data = data + frag.build() - return data - - def append(self, frag): - self.fragments.append(frag) - - -class FragmentDescriptor: - - def __init__(self, path, data = None): - self.path = path - if data is not None: - self.parse(data) - - def parse(self, data): - self.architecture = data[:4] - ( self.updatelevel, - self.currentVersion, - self.oldDefVersion, - self.stacksize, - self.applibdir, - self.fragtype, - self.where, - self.offset, - self.length, - self.res1, self.res2, - self.memberSize,) = struct.unpack("4lhBB4lh", data[4:42]) - pname = data[42:self.memberSize] - self.name = pname[1:1+ord(pname[0])] - - def build(self): - data = self.architecture - data = data + struct.pack("4lhBB4l", - self.updatelevel, - self.currentVersion, - self.oldDefVersion, - self.stacksize, - self.applibdir, - self.fragtype, - self.where, - self.offset, - self.length, - self.res1, self.res2) - self.memberSize = len(data) + 2 + 1 + len(self.name) - # pad to 4 byte boundaries - if self.memberSize % 4: - self.memberSize = self.memberSize + 4 - (self.memberSize % 4) - data = data + struct.pack("hb", self.memberSize, len(self.name)) - data = data + self.name - data = data + '\000' * (self.memberSize - len(data)) - return data - - def getfragment(self): - if self.where != 1: - raise error, "can't read fragment, unsupported location" - f = open(self.path, "rb") - f.seek(self.offset) - if self.length: - frag = f.read(self.length) - else: - frag = f.read() - f.close() - return frag - - def copydata(self, outfile): - if self.where != 1: - raise error, "can't read fragment, unsupported location" - infile = open(self.path, "rb") - if self.length == 0: - infile.seek(0, 2) - self.length = infile.tell() - - # Position input file and record new offset from output file - infile.seek(self.offset) - - # pad to 16 byte boundaries - offset = outfile.tell() - if offset % 16: - offset = offset + 16 - (offset % 16) - outfile.seek(offset) - self.offset = offset - - l = self.length - while l: - if l > BUFSIZE: - outfile.write(infile.read(BUFSIZE)) - l = l - BUFSIZE - else: - outfile.write(infile.read(l)) - l = 0 - infile.close() |