476 lines
11 KiB
Python
476 lines
11 KiB
Python
# Look for scriptable applications -- that is, applications with an 'aete' resource
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# Also contains (partially) reverse engineered 'aete' resource decoding
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import MacOS
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import os
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import string
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import sys
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import types
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import StringIO
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from Carbon.Res import *
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def main():
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filename = ""
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redirect(filename, realmain)
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def redirect(filename, func, *args):
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f = filename and open(filename, 'w')
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save_stdout = sys.stdout
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try:
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if f: sys.stdout = f
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return apply(func, args)
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finally:
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sys.stdout = save_stdout
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if f: f.close()
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def realmain():
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#list('C:System Folder:Extensions:AppleScript\252')
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#list('C:Tao AppleScript:Finder Liaison:Finder Liaison 1.0')
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list('C:Tao AppleScript:Scriptable Text Editor')
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#list('C:Internet:Eudora 1.4.2:Eudora1.4.2')
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#list('E:Excel 4.0:Microsoft Excel')
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#list('C:Internet:Netscape 1.0N:Netscape 1.0N')
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#find('C:')
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#find('D:')
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#find('E:')
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#find('F:')
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def find(dir, maxlevel = 5):
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hits = []
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cur = CurResFile()
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names = os.listdir(dir)
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tuples = map(lambda x: (os.path.normcase(x), x), names)
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tuples.sort()
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names = map(lambda (x, y): y, tuples)
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for name in names:
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if name in (os.curdir, os.pardir): continue
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fullname = os.path.join(dir, name)
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if os.path.islink(fullname):
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pass
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if os.path.isdir(fullname):
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if maxlevel > 0:
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sys.stderr.write(" %s\n" % `fullname`)
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hits = hits + find(fullname, maxlevel-1)
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else:
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ctor, type = MacOS.GetCreatorAndType(fullname)
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if type in ('APPL', 'FNDR', 'zsys', 'INIT', 'scri', 'cdev'):
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sys.stderr.write(" %s\n" % `fullname`)
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try:
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rf = OpenRFPerm(fullname, 0, '\1')
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except MacOS.Error, msg:
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print "Error:", fullname, msg
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continue
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UseResFile(rf)
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n = Count1Resources('aete')
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if rf <> cur:
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CloseResFile(rf)
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UseResFile(cur)
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if n > 1:
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hits.append(fullname)
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sys.stderr.write("YES! %d in %s\n" % (n, `fullname`))
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list(fullname)
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return hits
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def list(fullname):
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cur = CurResFile()
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rf = OpenRFPerm(fullname, 0, '\1')
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try:
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UseResFile(rf)
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resources = []
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for i in range(Count1Resources('aete')):
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res = Get1IndResource('aete', 1+i)
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resources.append(res)
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for i in range(Count1Resources('aeut')):
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res = Get1IndResource('aeut', 1+i)
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resources.append(res)
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print "\nLISTING aete+aeut RESOURCES IN", `fullname`
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for res in resources:
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print "decoding", res.GetResInfo(), "..."
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data = res.data
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try:
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aete = decode(data)
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showaete(aete)
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print "Checking putaete..."
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f = StringIO.StringIO()
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putaete(f, aete)
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newdata = f.getvalue()
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if len(newdata) == len(data):
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if newdata == data:
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print "putaete created identical data"
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else:
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newaete = decode(newdata)
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if newaete == aete:
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print "putaete created equivalent data"
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else:
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print "putaete failed the test:"
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showaete(newaete)
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else:
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print "putaete created different data:"
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print `newdata`
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except:
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import traceback
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traceback.print_exc()
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sys.stdout.flush()
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finally:
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if rf <> cur:
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CloseResFile(rf)
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UseResFile(cur)
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def decode(data):
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f = StringIO.StringIO(data)
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aete = generic(getaete, f)
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aete = simplify(aete)
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processed = f.tell()
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unprocessed = len(f.read())
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total = f.tell()
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if unprocessed:
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sys.stderr.write("%d processed + %d unprocessed = %d total\n" %
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(processed, unprocessed, total))
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return aete
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def simplify(item):
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if type(item) is types.ListType:
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return map(simplify, item)
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elif type(item) == types.TupleType and len(item) == 2:
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return simplify(item[1])
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else:
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return item
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# Here follows the aete resource decoder.
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# It is presented bottom-up instead of top-down because there are direct
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# references to the lower-level part-decoders from the high-level part-decoders.
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def getbyte(f, *args):
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c = f.read(1)
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if not c:
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raise EOFError, 'in getbyte' + str(args)
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return ord(c)
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def getword(f, *args):
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getalign(f)
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s = f.read(2)
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if len(s) < 2:
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raise EOFError, 'in getword' + str(args)
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return (ord(s[0])<<8) | ord(s[1])
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def getlong(f, *args):
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getalign(f)
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s = f.read(4)
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if len(s) < 4:
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raise EOFError, 'in getlong' + str(args)
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return (ord(s[0])<<24) | (ord(s[1])<<16) | (ord(s[2])<<8) | ord(s[3])
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def getostype(f, *args):
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getalign(f)
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s = f.read(4)
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if len(s) < 4:
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raise EOFError, 'in getostype' + str(args)
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return s
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def getpstr(f, *args):
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c = f.read(1)
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if len(c) < 1:
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raise EOFError, 'in getpstr[1]' + str(args)
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nbytes = ord(c)
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if nbytes == 0: return ''
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s = f.read(nbytes)
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if len(s) < nbytes:
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raise EOFError, 'in getpstr[2]' + str(args)
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return s
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def getalign(f):
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if f.tell() & 1:
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c = f.read(1)
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##if c <> '\0':
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## print 'align:', `c`
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def getlist(f, description, getitem):
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count = getword(f)
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list = []
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for i in range(count):
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list.append(generic(getitem, f))
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getalign(f)
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return list
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def alt_generic(what, f, *args):
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print "generic", `what`, args
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res = vageneric(what, f, args)
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print '->', `res`
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return res
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def generic(what, f, *args):
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if type(what) == types.FunctionType:
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return apply(what, (f,) + args)
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if type(what) == types.ListType:
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record = []
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for thing in what:
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item = apply(generic, thing[:1] + (f,) + thing[1:])
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record.append((thing[1], item))
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return record
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return "BAD GENERIC ARGS: %s" % `what`
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getdata = [
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(getostype, "type"),
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(getpstr, "description"),
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(getword, "flags")
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]
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getargument = [
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(getpstr, "name"),
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(getostype, "keyword"),
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(getdata, "what")
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]
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getevent = [
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(getpstr, "name"),
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(getpstr, "description"),
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(getostype, "suite code"),
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(getostype, "event code"),
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(getdata, "returns"),
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(getdata, "accepts"),
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(getlist, "optional arguments", getargument)
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]
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getproperty = [
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(getpstr, "name"),
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(getostype, "code"),
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(getdata, "what")
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]
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getelement = [
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(getostype, "type"),
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(getlist, "keyform", getostype)
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]
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getclass = [
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(getpstr, "name"),
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(getostype, "class code"),
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(getpstr, "description"),
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(getlist, "properties", getproperty),
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(getlist, "elements", getelement)
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]
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getcomparison = [
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(getpstr, "operator name"),
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(getostype, "operator ID"),
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(getpstr, "operator comment"),
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]
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getenumerator = [
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(getpstr, "enumerator name"),
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(getostype, "enumerator ID"),
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(getpstr, "enumerator comment")
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]
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getenumeration = [
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(getostype, "enumeration ID"),
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(getlist, "enumerator", getenumerator)
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]
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getsuite = [
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(getpstr, "suite name"),
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(getpstr, "suite description"),
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(getostype, "suite ID"),
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(getword, "suite level"),
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(getword, "suite version"),
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(getlist, "events", getevent),
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(getlist, "classes", getclass),
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(getlist, "comparisons", getcomparison),
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(getlist, "enumerations", getenumeration)
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]
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getaete = [
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(getword, "major/minor version in BCD"),
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(getword, "language code"),
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(getword, "script code"),
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(getlist, "suites", getsuite)
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]
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# Display 'aete' resources in a friendly manner.
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# This one's done top-down again...
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def showaete(aete):
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[version, language, script, suites] = aete
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major, minor = divmod(version, 256)
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print "\nVersion %d/%d, language %d, script %d" % \
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(major, minor, language, script)
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for suite in suites:
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showsuite(suite)
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def showsuite(suite):
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[name, desc, code, level, version, events, classes, comps, enums] = suite
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print "\nSuite %s -- %s (%s)" % (`name`, `desc`, `code`)
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print "Level %d, version %d" % (level, version)
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for event in events:
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showevent(event)
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for cls in classes:
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showclass(cls)
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for comp in comps:
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showcomparison(comp)
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for enum in enums:
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showenumeration(enum)
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def showevent(event):
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[name, desc, code, subcode, returns, accepts, arguments] = event
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print "\n Command %s -- %s (%s, %s)" % (`name`, `desc`, `code`, `subcode`)
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print " returns", showdata(returns)
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print " accepts", showdata(accepts)
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for arg in arguments:
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showargument(arg)
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def showargument(arg):
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[name, keyword, what] = arg
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print " %s (%s)" % (name, `keyword`), showdata(what)
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def showclass(cls):
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[name, code, desc, properties, elements] = cls
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print "\n Class %s (%s) -- %s" % (`name`, `code`, `desc`)
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for prop in properties:
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showproperty(prop)
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for elem in elements:
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showelement(elem)
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def showproperty(prop):
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[name, code, what] = prop
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print " property %s (%s)" % (`name`, `code`), showdata(what)
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def showelement(elem):
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[code, keyform] = elem
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print " element %s" % `code`, "as", keyform
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def showcomparison(comp):
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[name, code, comment] = comp
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print " comparison %s (%s) -- %s" % (`name`, `code`, comment)
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def showenumeration(enum):
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[code, items] = enum
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print "\n Enum %s" % `code`
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for item in items:
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showenumerator(item)
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def showenumerator(item):
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[name, code, desc] = item
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print " %s (%s) -- %s" % (`name`, `code`, `desc`)
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def showdata(data):
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[type, description, flags] = data
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return "%s -- %s %s" % (`type`, `description`, showdataflags(flags))
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dataflagdict = {15: "optional", 14: "list", 13: "enum", 12: "mutable"}
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def showdataflags(flags):
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bits = []
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for i in range(16):
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if flags & (1<<i):
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if i in dataflagdict.keys():
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bits.append(dataflagdict[i])
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else:
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bits.append(`i`)
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return '[%s]' % string.join(bits)
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# Write an 'aete' resource.
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# Closedly modelled after showaete()...
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def putaete(f, aete):
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[version, language, script, suites] = aete
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putword(f, version)
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putword(f, language)
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putword(f, script)
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putlist(f, suites, putsuite)
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def putsuite(f, suite):
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[name, desc, code, level, version, events, classes, comps, enums] = suite
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putpstr(f, name)
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putpstr(f, desc)
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putostype(f, code)
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putword(f, level)
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putword(f, version)
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putlist(f, events, putevent)
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putlist(f, classes, putclass)
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putlist(f, comps, putcomparison)
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putlist(f, enums, putenumeration)
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def putevent(f, event):
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[name, desc, eventclass, eventid, returns, accepts, arguments] = event
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putpstr(f, name)
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putpstr(f, desc)
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putostype(f, eventclass)
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putostype(f, eventid)
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putdata(f, returns)
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putdata(f, accepts)
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putlist(f, arguments, putargument)
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def putargument(f, arg):
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[name, keyword, what] = arg
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putpstr(f, name)
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putostype(f, keyword)
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putdata(f, what)
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def putclass(f, cls):
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[name, code, desc, properties, elements] = cls
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putpstr(f, name)
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putostype(f, code)
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putpstr(f, desc)
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putlist(f, properties, putproperty)
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putlist(f, elements, putelement)
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putproperty = putargument
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def putelement(f, elem):
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[code, parts] = elem
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putostype(f, code)
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putlist(f, parts, putostype)
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def putcomparison(f, comp):
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[name, id, comment] = comp
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putpstr(f, name)
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putostype(f, id)
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putpstr(f, comment)
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def putenumeration(f, enum):
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[code, items] = enum
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putostype(f, code)
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putlist(f, items, putenumerator)
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def putenumerator(f, item):
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[name, code, desc] = item
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putpstr(f, name)
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putostype(f, code)
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putpstr(f, desc)
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def putdata(f, data):
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[type, description, flags] = data
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putostype(f, type)
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putpstr(f, description)
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putword(f, flags)
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def putlist(f, list, putitem):
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putword(f, len(list))
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for item in list:
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putitem(f, item)
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putalign(f)
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def putalign(f):
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if f.tell() & 1:
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f.write('\0')
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def putbyte(f, value):
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f.write(chr(value))
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def putword(f, value):
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putalign(f)
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f.write(chr((value>>8)&0xff))
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f.write(chr(value&0xff))
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def putostype(f, value):
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putalign(f)
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if type(value) != types.StringType or len(value) != 4:
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raise TypeError, "ostype must be 4-char string"
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f.write(value)
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def putpstr(f, value):
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if type(value) != types.StringType or len(value) > 255:
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raise TypeError, "pstr must be string <= 255 chars"
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f.write(chr(len(value)) + value)
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# Call the main program
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if __name__ == '__main__':
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main()
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else:
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realmain()
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