"""
gensuitemodule - Generate an AE suite module from an aete/aeut resource
Based on aete.py.
Reading and understanding this code is left as an exercise to the reader.
"""
import MacOS
import EasyDialogs
import os
import string
import sys
import types
import StringIO
import keyword
import macresource
import aetools
import distutils.sysconfig
import OSATerminology
from Carbon.Res import *
import Carbon.Folder
import MacOS
import getopt
import plistlib
_MAC_LIB_FOLDER=os.path.dirname(aetools.__file__)
DEFAULT_STANDARD_PACKAGEFOLDER=os.path.join(_MAC_LIB_FOLDER, 'lib-scriptpackages')
DEFAULT_USER_PACKAGEFOLDER=distutils.sysconfig.get_python_lib()
def usage():
sys.stderr.write("Usage: %s [opts] application-or-resource-file\n" % sys.argv[0])
sys.stderr.write("""Options:
--output pkgdir Pathname of the output package (short: -o)
--resource Parse resource file in stead of launching application (-r)
--base package Use another base package in stead of default StdSuites (-b)
--edit old=new Edit suite names, use empty new to skip a suite (-e)
--creator code Set creator code for package (-c)
--dump Dump aete resource to stdout in stead of creating module (-d)
--verbose Tell us what happens (-v)
""")
sys.exit(1)
def main():
if len(sys.argv) > 1:
SHORTOPTS = "rb:o:e:c:dv"
LONGOPTS = ("resource", "base=", "output=", "edit=", "creator=", "dump", "verbose")
try:
opts, args = getopt.getopt(sys.argv[1:], SHORTOPTS, LONGOPTS)
except getopt.GetoptError:
usage()
process_func = processfile
basepkgname = 'StdSuites'
output = None
edit_modnames = []
creatorsignature = None
dump = None
verbose = None
for o, a in opts:
if o in ('-r', '--resource'):
process_func = processfile_fromresource
if o in ('-b', '--base'):
basepkgname = a
if o in ('-o', '--output'):
output = a
if o in ('-e', '--edit'):
split = a.split('=')
if len(split) != 2:
usage()
edit_modnames.append(split)
if o in ('-c', '--creator'):
if len(a) != 4:
sys.stderr.write("creator must be 4-char string\n")
sys.exit(1)
creatorsignature = a
if o in ('-d', '--dump'):
dump = sys.stdout
if o in ('-v', '--verbose'):
verbose = sys.stderr
if output and len(args) > 1:
sys.stderr.write("%s: cannot specify --output with multiple inputs\n" % sys.argv[0])
sys.exit(1)
for filename in args:
process_func(filename, output=output, basepkgname=basepkgname,
edit_modnames=edit_modnames, creatorsignature=creatorsignature,
dump=dump, verbose=verbose)
else:
main_interactive()
def main_interactive(interact=0, basepkgname='StdSuites'):
if interact:
# Ask for save-filename for each module
edit_modnames = None
else:
# Use default filenames for each module
edit_modnames = []
appsfolder = Carbon.Folder.FSFindFolder(-32765, 'apps', 0)
filename = EasyDialogs.AskFileForOpen(
message='Select scriptable application',
dialogOptionFlags=0x1056, # allow selection of .app bundles
defaultLocation=appsfolder)
if not filename:
return
if not is_scriptable(filename):
if EasyDialogs.AskYesNoCancel(
"Warning: application does not seem scriptable",
yes="Continue", default=2, no="") <= 0:
return
try:
processfile(filename, edit_modnames=edit_modnames, basepkgname=basepkgname,
verbose=sys.stderr)
except MacOS.Error, arg:
print "Error getting terminology:", arg
print "Retry, manually parsing resources"
processfile_fromresource(filename, edit_modnames=edit_modnames,
basepkgname=basepkgname, verbose=sys.stderr)
def is_scriptable(application):
"""Return true if the application is scriptable"""
if os.path.isdir(application):
plistfile = os.path.join(application, 'Contents', 'Info.plist')
if not os.path.exists(plistfile):
return False
plist = plistlib.Plist.fromFile(plistfile)
return plist.get('NSAppleScriptEnabled', False)
# If it is a file test for an aete/aeut resource.
currf = CurResFile()
try:
refno = macresource.open_pathname(application)
except MacOS.Error:
return False
UseResFile(refno)
n_terminology = Count1Resources('aete') + Count1Resources('aeut') + \
Count1Resources('scsz') + Count1Resources('osiz')
CloseResFile(refno)
UseResFile(currf)
return n_terminology > 0
def processfile_fromresource(fullname, output=None, basepkgname=None,
edit_modnames=None, creatorsignature=None, dump=None, verbose=None):
"""Process all resources in a single file"""
if not is_scriptable(fullname) and verbose:
print >>verbose, "Warning: app does not seem scriptable: %s" % fullname
cur = CurResFile()
if verbose:
print >>verbose, "Processing", fullname
rf = macresource.open_pathname(fullname)
try:
UseResFile(rf)
resources = []
for i in range(Count1Resources('aete')):
res = Get1IndResource('aete', 1+i)
resources.append(res)
for i in range(Count1Resources('aeut')):
res = Get1IndResource('aeut', 1+i)
resources.append(res)
if verbose:
print >>verbose, "\nLISTING aete+aeut RESOURCES IN", repr(fullname)
aetelist = []
for res in resources:
if verbose:
print >>verbose, "decoding", res.GetResInfo(), "..."
data = res.data
aete = decode(data, verbose)
aetelist.append((aete, res.GetResInfo()))
finally:
if rf <> cur:
CloseResFile(rf)
UseResFile(cur)
# switch back (needed for dialogs in Python)
UseResFile(cur)
if dump:
dumpaetelist(aetelist, dump)
compileaetelist(aetelist, fullname, output=output,
basepkgname=basepkgname, edit_modnames=edit_modnames,
creatorsignature=creatorsignature, verbose=verbose)
def processfile(fullname, output=None, basepkgname=None,
edit_modnames=None, creatorsignature=None, dump=None,
verbose=None):
"""Ask an application for its terminology and process that"""
if not is_scriptable(fullname) and verbose:
print >>verbose, "Warning: app does not seem scriptable: %s" % fullname
if verbose:
print >>verbose, "\nASKING FOR aete DICTIONARY IN", repr(fullname)
try:
aedescobj, launched = OSATerminology.GetAppTerminology(fullname)
except MacOS.Error, arg:
if arg[0] in (-1701, -192): # errAEDescNotFound, resNotFound
if verbose:
print >>verbose, "GetAppTerminology failed with errAEDescNotFound/resNotFound, trying manually"
aedata, sig = getappterminology(fullname, verbose=verbose)
if not creatorsignature:
creatorsignature = sig
else:
raise
else:
if launched:
if verbose:
print >>verbose, "Launched", fullname
raw = aetools.unpack(aedescobj)
if not raw:
if verbose:
print >>verbose, 'Unpack returned empty value:', raw
return
if not raw[0].data:
if verbose:
print >>verbose, 'Unpack returned value without data:', raw
return
aedata = raw[0]
aete = decode(aedata.data, verbose)
if dump:
dumpaetelist([aete], dump)
return
compileaete(aete, None, fullname, output=output, basepkgname=basepkgname,
creatorsignature=creatorsignature, edit_modnames=edit_modnames,
verbose=verbose)
def getappterminology(fullname, verbose=None):
"""Get application terminology by sending an AppleEvent"""
# First check that we actually can send AppleEvents
if not MacOS.WMAvailable():
raise RuntimeError, "Cannot send AppleEvents, no access to window manager"
# Next, a workaround for a bug in MacOS 10.2: sending events will hang unless
# you have created an event loop first.
import Carbon.Evt
Carbon.Evt.WaitNextEvent(0,0)
if os.path.isdir(fullname):
# Now get the signature of the application, hoping it is a bundle
pkginfo = os.path.join(fullname, 'Contents', 'PkgInfo')
if not os.path.exists(pkginfo):
raise RuntimeError, "No PkgInfo file found"
tp_cr = open(pkginfo, 'rb').read()
cr = tp_cr[4:8]
else:
# Assume it is a file
cr, tp = MacOS.GetCreatorAndType(fullname)
# Let's talk to it and ask for its AETE
talker = aetools.TalkTo(cr)
try:
talker._start()
except (MacOS.Error, aetools.Error), arg:
if verbose:
print >>verbose, 'Warning: start() failed, continuing anyway:', arg
reply = talker.send("ascr", "gdte")
#reply2 = talker.send("ascr", "gdut")
# Now pick the bits out of the return that we need.
return reply[1]['----'], cr
def compileaetelist(aetelist, fullname, output=None, basepkgname=None,
edit_modnames=None, creatorsignature=None, verbose=None):
for aete, resinfo in aetelist:
compileaete(aete, resinfo, fullname, output=output,
basepkgname=basepkgname, edit_modnames=edit_modnames,
creatorsignature=creatorsignature, verbose=verbose)
def dumpaetelist(aetelist, output):
import pprint
pprint.pprint(aetelist, output)
def decode(data, verbose=None):
"""Decode a resource into a python data structure"""
f = StringIO.StringIO(data)
aete = generic(getaete, f)
aete = simplify(aete)
processed = f.tell()
unprocessed = len(f.read())
total = f.tell()
if unprocessed and verbose:
verbose.write("%d processed + %d unprocessed = %d total\n" %
(processed, unprocessed, total))
return aete
def simplify(item):
"""Recursively replace singleton tuples by their constituent item"""
if type(item) is types.ListType:
return map(simplify, item)
elif type(item) == types.TupleType and len(item) == 2:
return simplify(item[1])
else:
return item
# Here follows the aete resource decoder.
# It is presented bottom-up instead of top-down because there are direct
# references to the lower-level part-decoders from the high-level part-decoders.
def getbyte(f, *args):
c = f.read(1)
if not c:
raise EOFError, 'in getbyte' + str(args)
return ord(c)
def getword(f, *args):
getalign(f)
s = f.read(2)
if len(s) < 2:
raise EOFError, 'in getword' + str(args)
return (ord(s[0])<<8) | ord(s[1])
def getlong(f, *args):
getalign(f)
s = f.read(4)
if len(s) < 4:
raise EOFError, 'in getlong' + str(args)
return (ord(s[0])<<24) | (ord(s[1])<<16) | (ord(s[2])<<8) | ord(s[3])
def getostype(f, *args):
getalign(f)
s = f.read(4)
if len(s) < 4:
raise EOFError, 'in getostype' + str(args)
return s
def getpstr(f, *args):
c = f.read(1)
if len(c) < 1:
raise EOFError, 'in getpstr[1]' + str(args)
nbytes = ord(c)
if nbytes == 0: return ''
s = f.read(nbytes)
if len(s) < nbytes:
raise EOFError, 'in getpstr[2]' + str(args)
return s
def getalign(f):
if f.tell() & 1:
c = f.read(1)
##if c <> '\0':
## print align:', repr(c)
def getlist(f, description, getitem):
count = getword(f)
list = []
for i in range(count):
list.append(generic(getitem, f))
getalign(f)
return list
def alt_generic(what, f, *args):
print "generic", repr(what), args
res = vageneric(what, f, args)
print '->', repr(res)
return res
def generic(what, f, *args):
if type(what) == types.FunctionType:
return apply(what, (f,) + args)
if type(what) == types.ListType:
record = []
for thing in what:
item = apply(generic, thing[:1] + (f,) + thing[1:])
record.append((thing[1], item))
return record
return "BAD GENERIC ARGS: %r" % (what,)
getdata = [
(getostype, "type"),
(getpstr, "description"),
(getword, "flags")
]
getargument = [
(getpstr, "name"),
(getostype, "keyword"),
(getdata, "what")
]
getevent = [
(getpstr, "name"),
(getpstr, "description"),
(getostype, "suite code"),
(getostype, "event code"),
(getdata, "returns"),
(getdata, "accepts"),
(getlist, "optional arguments", getargument)
]
getproperty = [
(getpstr, "name"),
(getostype, "code"),
(getdata, "what")
]
getelement = [
(getostype, "type"),
(getlist, "keyform", getostype)
]
getclass = [
(getpstr, "name"),
(getostype, "class code"),
(getpstr, "description"),
(getlist, "properties", getproperty),
(getlist, "elements", getelement)
]
getcomparison = [
(getpstr, "operator name"),
(getostype, "operator ID"),
(getpstr, "operator comment"),
]
getenumerator = [
(getpstr, "enumerator name"),
(getostype, "enumerator ID"),
(getpstr, "enumerator comment")
]
getenumeration = [
(getostype, "enumeration ID"),
(getlist, "enumerator", getenumerator)
]
getsuite = [
(getpstr, "suite name"),
(getpstr, "suite description"),
(getostype, "suite ID"),
(getword, "suite level"),
(getword, "suite version"),
(getlist, "events", getevent),
(getlist, "classes", getclass),
(getlist, "comparisons", getcomparison),
(getlist, "enumerations", getenumeration)
]
getaete = [
(getword, "major/minor version in BCD"),
(getword, "language code"),
(getword, "script code"),
(getlist, "suites", getsuite)
]
def compileaete(aete, resinfo, fname, output=None, basepkgname=None,
edit_modnames=None, creatorsignature=None, verbose=None):
"""Generate code for a full aete resource. fname passed for doc purposes"""
[version, language, script, suites] = aete
major, minor = divmod(version, 256)
if not creatorsignature:
creatorsignature, dummy = MacOS.GetCreatorAndType(fname)
packagename = identify(os.path.splitext(os.path.basename(fname))[0])
if language:
packagename = packagename+'_lang%d'%language
if script:
packagename = packagename+'_script%d'%script
if len(packagename) > 27:
packagename = packagename[:27]
if output:
# XXXX Put this in site-packages if it isn't a full pathname?
if not os.path.exists(output):
os.mkdir(output)
pathname = output
else:
pathname = EasyDialogs.AskFolder(message='Create and select package folder for %s'%packagename,
defaultLocation=DEFAULT_USER_PACKAGEFOLDER)
output = pathname
if not pathname:
return
packagename = os.path.split(os.path.normpath(pathname))[1]
if not basepkgname:
basepkgname = EasyDialogs.AskFolder(message='Package folder for base suite (usually StdSuites)',
defaultLocation=DEFAULT_STANDARD_PACKAGEFOLDER)
if basepkgname:
dirname, basepkgname = os.path.split(os.path.normpath(basepkgname))
if dirname and not dirname in sys.path:
sys.path.insert(0, dirname)
basepackage = __import__(basepkgname)
else:
basepackage = None
suitelist = []
allprecompinfo = []
allsuites = []
for suite in suites:
compiler = SuiteCompiler(suite, basepackage, output, edit_modnames, verbose)
code, modname, precompinfo = compiler.precompilesuite()
if not code:
continue
allprecompinfo = allprecompinfo + precompinfo
suiteinfo = suite, pathname, modname
suitelist.append((code, modname))
allsuites.append(compiler)
for compiler in allsuites:
compiler.compilesuite(major, minor, language, script, fname, allprecompinfo)
initfilename = os.path.join(output, '__init__.py')
fp = open(initfilename, 'w')
MacOS.SetCreatorAndType(initfilename, 'Pyth', 'TEXT')
fp.write('"""\n')
fp.write("Package generated from %s\n"%ascii(fname))
if resinfo:
fp.write("Resource %s resid %d %s\n"%(ascii(resinfo[1]), resinfo[0], ascii(resinfo[2])))
fp.write('"""\n')
fp.write('import aetools\n')
fp.write('Error = aetools.Error\n')
suitelist.sort()
for code, modname in suitelist:
fp.write("import %s\n" % modname)
fp.write("\n\n_code_to_module = {\n")
for code, modname in suitelist:
fp.write(" '%s' : %s,\n"%(ascii(code), modname))
fp.write("}\n\n")
fp.write("\n\n_code_to_fullname = {\n")
for code, modname in suitelist:
fp.write(" '%s' : ('%s.%s', '%s'),\n"%(ascii(code), packagename, modname, modname))
fp.write("}\n\n")
for code, modname in suitelist:
fp.write("from %s import *\n"%modname)
# Generate property dicts and element dicts for all types declared in this module
fp.write("\ndef getbaseclasses(v):\n")
fp.write(" if not getattr(v, '_propdict', None):\n")
fp.write(" v._propdict = {}\n")
fp.write(" v._elemdict = {}\n")
fp.write(" for superclassname in getattr(v, '_superclassnames', []):\n")
fp.write(" superclass = eval(superclassname)\n")
fp.write(" getbaseclasses(superclass)\n")
fp.write(" v._propdict.update(getattr(superclass, '_propdict', {}))\n")
fp.write(" v._elemdict.update(getattr(superclass, '_elemdict', {}))\n")
fp.write(" v._propdict.update(getattr(v, '_privpropdict', {}))\n")
fp.write(" v._elemdict.update(getattr(v, '_privelemdict', {}))\n")
fp.write("\n")
fp.write("import StdSuites\n")
allprecompinfo.sort()
if allprecompinfo:
fp.write("\n#\n# Set property and element dictionaries now that all classes have been defined\n#\n")
for codenamemapper in allprecompinfo:
for k, v in codenamemapper.getall('class'):
fp.write("getbaseclasses(%s)\n" % v)
# Generate a code-to-name mapper for all of the types (classes) declared in this module
application_class = None
if allprecompinfo:
fp.write("\n#\n# Indices of types declared in this module\n#\n")
fp.write("_classdeclarations = {\n")
for codenamemapper in allprecompinfo:
for k, v in codenamemapper.getall('class'):
fp.write(" %r : %s,\n" % (k, v))
if k == 'capp':
application_class = v
fp.write("}\n")
if suitelist:
fp.write("\n\nclass %s(%s_Events"%(packagename, suitelist[0][1]))
for code, modname in suitelist[1:]:
fp.write(",\n %s_Events"%modname)
fp.write(",\n aetools.TalkTo):\n")
fp.write(" _signature = %r\n\n"%(creatorsignature,))
fp.write(" _moduleName = '%s'\n\n"%packagename)
if application_class:
fp.write(" _elemdict = %s._elemdict\n" % application_class)
fp.write(" _propdict = %s._propdict\n" % application_class)
fp.close()
class SuiteCompiler:
def __init__(self, suite, basepackage, output, edit_modnames, verbose):
self.suite = suite
self.basepackage = basepackage
self.edit_modnames = edit_modnames
self.output = output
self.verbose = verbose
# Set by precompilesuite
self.pathname = None
self.modname = None
# Set by compilesuite
self.fp = None
self.basemodule = None
self.enumsneeded = {}
def precompilesuite(self):
"""Parse a single suite without generating the output. This step is needed
so we can resolve recursive references by suites to enums/comps/etc declared
in other suites"""
[name, desc, code, level, version, events, classes, comps, enums] = self.suite
modname = identify(name)
if len(modname) > 28:
modname = modname[:27]
if self.edit_modnames is None:
self.pathname = EasyDialogs.AskFileForSave(message='Python output file',
savedFileName=modname+'.py')
else:
for old, new in self.edit_modnames:
if old == modname:
modname = new
if modname:
self.pathname = os.path.join(self.output, modname + '.py')
else:
self.pathname = None
if not self.pathname:
return None, None, None
self.modname = os.path.splitext(os.path.split(self.pathname)[1])[0]
if self.basepackage and self.basepackage._code_to_module.has_key(code):
# We are an extension of a baseclass (usually an application extending
# Standard_Suite or so). Import everything from our base module
basemodule = self.basepackage._code_to_module[code]
else:
# We are not an extension.
basemodule = None
self.enumsneeded = {}
for event in events:
self.findenumsinevent(event)
objc = ObjectCompiler(None, self.modname, basemodule, interact=(self.edit_modnames is None),
verbose=self.verbose)
for cls in classes:
objc.compileclass(cls)
for cls in classes:
objc.fillclasspropsandelems(cls)
for comp in comps:
objc.compilecomparison(comp)
for enum in enums:
objc.compileenumeration(enum)
for enum in self.enumsneeded.keys():
objc.checkforenum(enum)
objc.dumpindex()
precompinfo = objc.getprecompinfo(self.modname)
return code, self.modname, precompinfo
def compilesuite(self, major, minor, language, script, fname, precompinfo):
"""Generate code for a single suite"""
[name, desc, code, level, version, events, classes, comps, enums] = self.suite
# Sort various lists, so re-generated source is easier compared
def class_sorter(k1, k2):
"""Sort classes by code, and make sure main class sorts before synonyms"""
# [name, code, desc, properties, elements] = cls
if k1[1] < k2[1]: return -1
if k1[1] > k2[1]: return 1
if not k2[3] or k2[3][0][1] == 'c@#!':
# This is a synonym, the other one is better
return -1
if not k1[3] or k1[3][0][1] == 'c@#!':
# This is a synonym, the other one is better
return 1
return 0
events.sort()
classes.sort(class_sorter)
comps.sort()
enums.sort()
self.fp = fp = open(self.pathname, 'w')
MacOS.SetCreatorAndType(self.pathname, 'Pyth', 'TEXT')
fp.write('"""Suite %s: %s\n' % (ascii(name), ascii(desc)))
fp.write("Level %d, version %d\n\n" % (level, version))
fp.write("Generated from %s\n"%ascii(fname))
fp.write("AETE/AEUT resource version %d/%d, language %d, script %d\n" % \
(major, minor, language, script))
fp.write('"""\n\n')
fp.write('import aetools\n')
fp.write('import MacOS\n\n')
fp.write("_code = %r\n\n"% (code,))
if self.basepackage and self.basepackage._code_to_module.has_key(code):
# We are an extension of a baseclass (usually an application extending
# Standard_Suite or so). Import everything from our base module
fp.write('from %s import *\n'%self.basepackage._code_to_fullname[code][0])
basemodule = self.basepackage._code_to_module[code]
elif self.basepackage and self.basepackage._code_to_module.has_key(code.lower()):
# This is needed by CodeWarrior and some others.
fp.write('from %s import *\n'%self.basepackage._code_to_fullname[code.lower()][0])
basemodule = self.basepackage._code_to_module[code.lower()]
else:
# We are not an extension.
basemodule = None
self.basemodule = basemodule
self.compileclassheader()
self.enumsneeded = {}
if events:
for event in events:
self.compileevent(event)
else:
fp.write(" pass\n\n")
objc = ObjectCompiler(fp, self.modname, basemodule, precompinfo, interact=(self.edit_modnames is None),
verbose=self.verbose)
for cls in classes:
objc.compileclass(cls)
for cls in classes:
objc.fillclasspropsandelems(cls)
for comp in comps:
objc.compilecomparison(comp)
for enum in enums:
objc.compileenumeration(enum)
for enum in self.enumsneeded.keys():
objc.checkforenum(enum)
objc.dumpindex()
def compileclassheader(self):
"""Generate class boilerplate"""
classname = '%s_Events'%self.modname
if self.basemodule:
modshortname = string.split(self.basemodule.__name__, '.')[-1]
baseclassname = '%s_Events'%modshortname
self.fp.write("class %s(%s):\n\n"%(classname, baseclassname))
else:
self.fp.write("class %s:\n\n"%classname)
def compileevent(self, event):
"""Generate code for a single event"""
[name, desc, code, subcode, returns, accepts, arguments] = event
fp = self.fp
funcname = identify(name)
#
# generate name->keyword map
#
if arguments:
fp.write(" _argmap_%s = {\n"%funcname)
for a in arguments:
fp.write(" %r : %r,\n"%(identify(a[0]), a[1]))
fp.write(" }\n\n")
#
# Generate function header
#
has_arg = (not is_null(accepts))
opt_arg = (has_arg and is_optional(accepts))
fp.write(" def %s(self, "%funcname)
if has_arg:
if not opt_arg:
fp.write("_object, ") # Include direct object, if it has one
else:
fp.write("_object=None, ") # Also include if it is optional
else:
fp.write("_no_object=None, ") # For argument checking
fp.write("_attributes={}, **_arguments):\n") # include attribute dict and args
#
# Generate doc string (important, since it may be the only
# available documentation, due to our name-remaping)
#
fp.write(' """%s: %s\n'%(ascii(name), ascii(desc)))
if has_arg:
fp.write(" Required argument: %s\n"%getdatadoc(accepts))
elif opt_arg:
fp.write(" Optional argument: %s\n"%getdatadoc(accepts))
for arg in arguments:
fp.write(" Keyword argument %s: %s\n"%(identify(arg[0]),
getdatadoc(arg[2])))
fp.write(" Keyword argument _attributes: AppleEvent attribute dictionary\n")
if not is_null(returns):
fp.write(" Returns: %s\n"%getdatadoc(returns))
fp.write(' """\n')
#
# Fiddle the args so everything ends up in 'arguments' dictionary
#
fp.write(" _code = %r\n"% (code,))
fp.write(" _subcode = %r\n\n"% (subcode,))
#
# Do keyword name substitution
#
if arguments:
fp.write(" aetools.keysubst(_arguments, self._argmap_%s)\n"%funcname)
else:
fp.write(" if _arguments: raise TypeError, 'No optional args expected'\n")
#
# Stuff required arg (if there is one) into arguments
#
if has_arg:
fp.write(" _arguments['----'] = _object\n")
elif opt_arg:
fp.write(" if _object:\n")
fp.write(" _arguments['----'] = _object\n")
else:
fp.write(" if _no_object != None: raise TypeError, 'No direct arg expected'\n")
fp.write("\n")
#
# Do enum-name substitution
#
for a in arguments:
if is_enum(a[2]):
kname = a[1]
ename = a[2][0]
if ename <> '****':
fp.write(" aetools.enumsubst(_arguments, %r, _Enum_%s)\n" %
(kname, identify(ename)))
self.enumsneeded[ename] = 1
fp.write("\n")
#
# Do the transaction
#
fp.write(" _reply, _arguments, _attributes = self.send(_code, _subcode,\n")
fp.write(" _arguments, _attributes)\n")
#
# Error handling
#
fp.write(" if _arguments.get('errn', 0):\n")
fp.write(" raise aetools.Error, aetools.decodeerror(_arguments)\n")
fp.write(" # XXXX Optionally decode result\n")
#
# Decode result
#
fp.write(" if _arguments.has_key('----'):\n")
if is_enum(returns):
fp.write(" # XXXX Should do enum remapping here...\n")
fp.write(" return _arguments['----']\n")
fp.write("\n")
def findenumsinevent(self, event):
"""Find all enums for a single event"""
[name, desc, code, subcode, returns, accepts, arguments] = event
for a in arguments:
if is_enum(a[2]):
ename = a[2][0]
if ename <> '****':
self.enumsneeded[ename] = 1
#
# This class stores the code<->name translations for a single module. It is used
# to keep the information while we're compiling the module, but we also keep these objects
# around so if one suite refers to, say, an enum in another suite we know where to
# find it. Finally, if we really can't find a code, the user can add modules by
# hand.
#
class CodeNameMapper:
def __init__(self, interact=1, verbose=None):
self.code2name = {
"property" : {},
"class" : {},
"enum" : {},
"comparison" : {},
}
self.name2code = {
"property" : {},
"class" : {},
"enum" : {},
"comparison" : {},
}
self.modulename = None
self.star_imported = 0
self.can_interact = interact
self.verbose = verbose
def addnamecode(self, type, name, code):
self.name2code[type][name] = code
if not self.code2name[type].has_key(code):
self.code2name[type][code] = name
def hasname(self, name):
for dict in self.name2code.values():
if dict.has_key(name):
return True
return False
def hascode(self, type, code):
return self.code2name[type].has_key(code)
def findcodename(self, type, code):
if not self.hascode(type, code):
return None, None, None
name = self.code2name[type][code]
if self.modulename and not self.star_imported:
qualname = '%s.%s'%(self.modulename, name)
else:
qualname = name
return name, qualname, self.modulename
def getall(self, type):
return self.code2name[type].items()
def addmodule(self, module, name, star_imported):
self.modulename = name
self.star_imported = star_imported
for code, name in module._propdeclarations.items():
self.addnamecode('property', name, code)
for code, name in module._classdeclarations.items():
self.addnamecode('class', name, code)
for code in module._enumdeclarations.keys():
self.addnamecode('enum', '_Enum_'+identify(code), code)
for code, name in module._compdeclarations.items():
self.addnamecode('comparison', name, code)
def prepareforexport(self, name=None):
if not self.modulename:
self.modulename = name
return self
class ObjectCompiler:
def __init__(self, fp, modname, basesuite, othernamemappers=None, interact=1,
verbose=None):
self.fp = fp
self.verbose = verbose
self.basesuite = basesuite
self.can_interact = interact
self.modulename = modname
self.namemappers = [CodeNameMapper(self.can_interact, self.verbose)]
if othernamemappers:
self.othernamemappers = othernamemappers[:]
else:
self.othernamemappers = []
if basesuite:
basemapper = CodeNameMapper(self.can_interact, self.verbose)
basemapper.addmodule(basesuite, '', 1)
self.namemappers.append(basemapper)
def getprecompinfo(self, modname):
list = []
for mapper in self.namemappers:
emapper = mapper.prepareforexport(modname)
if emapper:
list.append(emapper)
return list
def findcodename(self, type, code):
while 1:
# First try: check whether we already know about this code.
for mapper in self.namemappers:
if mapper.hascode(type, code):
return mapper.findcodename(type, code)
# Second try: maybe one of the other modules knows about it.
for mapper in self.othernamemappers:
if mapper.hascode(type, code):
self.othernamemappers.remove(mapper)
self.namemappers.append(mapper)
if self.fp:
self.fp.write("import %s\n"%mapper.modulename)
break
else:
# If all this has failed we ask the user for a guess on where it could
# be and retry.
if self.fp:
m = self.askdefinitionmodule(type, code)
else:
m = None
if not m: return None, None, None
mapper = CodeNameMapper(self.can_interact, self.verbose)
mapper.addmodule(m, m.__name__, 0)
self.namemappers.append(mapper)
def hasname(self, name):
for mapper in self.othernamemappers:
if mapper.hasname(name) and mapper.modulename != self.modulename:
if self.verbose:
print >>self.verbose, "Duplicate Python identifier:", name, self.modulename, mapper.modulename
return True
return False
def askdefinitionmodule(self, type, code):
if not self.can_interact:
if self.verbose:
print >>self.verbose, "** No definition for %s '%s' found" % (type, code)
return None
path = EasyDialogs.AskFileForSave(message='Where is %s %s declared?'%(type, code))
if not path: return
path, file = os.path.split(path)
modname = os.path.splitext(file)[0]
if not path in sys.path:
sys.path.insert(0, path)
m = __import__(modname)
self.fp.write("import %s\n"%modname)
return m
def compileclass(self, cls):
[name, code, desc, properties, elements] = cls
pname = identify(name)
if self.namemappers[0].hascode('class', code):
# plural forms and such
othername, dummy, dummy = self.namemappers[0].findcodename('class', code)
if self.fp:
self.fp.write("\n%s = %s\n"%(pname, othername))
else:
if self.fp:
self.fp.write('\nclass %s(aetools.ComponentItem):\n' % pname)
self.fp.write(' """%s - %s """\n' % (ascii(name), ascii(desc)))
self.fp.write(' want = %r\n' % (code,))
self.namemappers[0].addnamecode('class', pname, code)
is_application_class = (code == 'capp')
properties.sort()
for prop in properties:
self.compileproperty(prop, is_application_class)
elements.sort()
for elem in elements:
self.compileelement(elem)
def compileproperty(self, prop, is_application_class=False):
[name, code, what] = prop
if code == 'c@#!':
# Something silly with plurals. Skip it.
return
pname = identify(name)
if self.namemappers[0].hascode('property', code):
# plural forms and such
othername, dummy, dummy = self.namemappers[0].findcodename('property', code)
if pname == othername:
return
if self.fp:
self.fp.write("\n_Prop_%s = _Prop_%s\n"%(pname, othername))
else:
if self.fp:
self.fp.write("class _Prop_%s(aetools.NProperty):\n" % pname)
self.fp.write(' """%s - %s """\n' % (ascii(name), ascii(what[1])))
self.fp.write(" which = %r\n" % (code,))
self.fp.write(" want = %r\n" % (what[0],))
self.namemappers[0].addnamecode('property', pname, code)
if is_application_class and self.fp:
self.fp.write("%s = _Prop_%s()\n" % (pname, pname))
def compileelement(self, elem):
[code, keyform] = elem
if self.fp:
self.fp.write("# element %r as %s\n" % (code, keyform))
def fillclasspropsandelems(self, cls):
[name, code, desc, properties, elements] = cls
cname = identify(name)
if self.namemappers[0].hascode('class', code) and \
self.namemappers[0].findcodename('class', code)[0] != cname:
# This is an other name (plural or so) for something else. Skip.
if self.fp and (elements or len(properties) > 1 or (len(properties) == 1 and
properties[0][1] != 'c@#!')):
if self.verbose:
print >>self.verbose, '** Skip multiple %s of %s (code %r)' % (cname, self.namemappers[0].findcodename('class', code)[0], code)
raise RuntimeError, "About to skip non-empty class"
return
plist = []
elist = []
superclasses = []
for prop in properties:
[pname, pcode, what] = prop
if pcode == "c@#^":
superclasses.append(what)
if pcode == 'c@#!':
continue
pname = identify(pname)
plist.append(pname)
superclassnames = []
for superclass in superclasses:
superId, superDesc, dummy = superclass
superclassname, fullyqualifiedname, module = self.findcodename("class", superId)
# I don't think this is correct:
if superclassname == cname:
pass # superclassnames.append(fullyqualifiedname)
else:
superclassnames.append(superclassname)
if self.fp:
self.fp.write("%s._superclassnames = %r\n"%(cname, superclassnames))
for elem in elements:
[ecode, keyform] = elem
if ecode == 'c@#!':
continue
name, ename, module = self.findcodename('class', ecode)
if not name:
if self.fp:
self.fp.write("# XXXX %s element %r not found!!\n"%(cname, ecode))
else:
elist.append((name, ename))
plist.sort()
elist.sort()
if self.fp:
self.fp.write("%s._privpropdict = {\n"%cname)
for n in plist:
self.fp.write(" '%s' : _Prop_%s,\n"%(n, n))
self.fp.write("}\n")
self.fp.write("%s._privelemdict = {\n"%cname)
for n, fulln in elist:
self.fp.write(" '%s' : %s,\n"%(n, fulln))
self.fp.write("}\n")
def compilecomparison(self, comp):
[name, code, comment] = comp
iname = identify(name)
self.namemappers[0].addnamecode('comparison', iname, code)
if self.fp:
self.fp.write("class %s(aetools.NComparison):\n" % iname)
self.fp.write(' """%s - %s """\n' % (ascii(name), ascii(comment)))
def compileenumeration(self, enum):
[code, items] = enum
name = "_Enum_%s" % identify(code)
if self.fp:
self.fp.write("%s = {\n" % name)
for item in items:
self.compileenumerator(item)
self.fp.write("}\n\n")
self.namemappers[0].addnamecode('enum', name, code)
return code
def compileenumerator(self, item):
[name, code, desc] = item
self.fp.write(" %r : %r,\t# %s\n" % (identify(name), code, ascii(desc)))
def checkforenum(self, enum):
"""This enum code is used by an event. Make sure it's available"""
name, fullname, module = self.findcodename('enum', enum)
if not name:
if self.fp:
self.fp.write("_Enum_%s = None # XXXX enum %s not found!!\n"%(identify(enum), ascii(enum)))
return
if module:
if self.fp:
self.fp.write("from %s import %s\n"%(module, name))
def dumpindex(self):
if not self.fp:
return
self.fp.write("\n#\n# Indices of types declared in this module\n#\n")
self.fp.write("_classdeclarations = {\n")
classlist = self.namemappers[0].getall('class')
classlist.sort()
for k, v in classlist:
self.fp.write(" %r : %s,\n" % (k, v))
self.fp.write("}\n")
self.fp.write("\n_propdeclarations = {\n")
proplist = self.namemappers[0].getall('property')
proplist.sort()
for k, v in proplist:
self.fp.write(" %r : _Prop_%s,\n" % (k, v))
self.fp.write("}\n")
self.fp.write("\n_compdeclarations = {\n")
complist = self.namemappers[0].getall('comparison')
complist.sort()
for k, v in complist:
self.fp.write(" %r : %s,\n" % (k, v))
self.fp.write("}\n")
self.fp.write("\n_enumdeclarations = {\n")
enumlist = self.namemappers[0].getall('enum')
enumlist.sort()
for k, v in enumlist:
self.fp.write(" %r : %s,\n" % (k, v))
self.fp.write("}\n")
def compiledata(data):
[type, description, flags] = data
return "%r -- %r %s" % (type, description, compiledataflags(flags))
def is_null(data):
return data[0] == 'null'
def is_optional(data):
return (data[2] & 0x8000)
def is_enum(data):
return (data[2] & 0x2000)
def getdatadoc(data):
[type, descr, flags] = data
if descr:
return ascii(descr)
if type == '****':
return 'anything'
if type == 'obj ':
return 'an AE object reference'
return "undocumented, typecode %r"%(type,)
dataflagdict = {15: "optional", 14: "list", 13: "enum", 12: "mutable"}
def compiledataflags(flags):
bits = []
for i in range(16):
if flags & (1<<i):
if i in dataflagdict.keys():
bits.append(dataflagdict[i])
else:
bits.append(repr(i))
return '[%s]' % string.join(bits)
def ascii(str):
"""Return a string with all non-ascii characters hex-encoded"""
if type(str) != type(''):
return map(ascii, str)
rv = ''
for c in str:
if c in ('\t', '\n', '\r') or ' ' <= c < chr(0x7f):
rv = rv + c
else:
rv = rv + '\\' + 'x%02.2x' % ord(c)
return rv
def identify(str):
"""Turn any string into an identifier:
- replace space by _
- replace other illegal chars by _xx_ (hex code)
- append _ if the result is a python keyword
"""
if not str:
return "empty_ae_name_"
rv = ''
ok = string.ascii_letters + '_'
ok2 = ok + string.digits
for c in str:
if c in ok:
rv = rv + c
elif c == ' ':
rv = rv + '_'
else:
rv = rv + '_%02.2x_'%ord(c)
ok = ok2
if keyword.iskeyword(rv):
rv = rv + '_'
return rv
# Call the main program
if __name__ == '__main__':
main()
sys.exit(1)
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