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"""StandardFile compatability module: implement macfs StandardFile
API calls with Navigation Services"""
import macfs
import struct
from Carbon import Res
try:
import Nav
except ImportError:
Nav = None
_curfolder = None
_movablemodal = 1
def _mktypelist(typelist):
if not typelist:
return None
data = 'Pyth' + struct.pack("hh", 0, len(typelist))
for type in typelist:
data = data+type
return Res.Handle(data)
def _StandardGetFile(*typelist):
return apply(_PromptGetFile, (None,)+typelist)
def _PromptGetFile(prompt, *typelist):
args = {}
flags = 0x56
typehandle = _mktypelist(typelist)
if typehandle:
args['typeList'] = typehandle
else:
flags = flags | 0x01
if prompt:
args['message'] = prompt
args['preferenceKey'] = 'PyMC'
if _movablemodal:
args['eventProc'] = None
args['dialogOptionFlags'] = flags
_handleSetFolder(args)
try:
rr = Nav.NavChooseFile(args)
good = 1
except Nav.error, arg:
if arg[0] != -128: # userCancelledErr
raise Nav.error, arg
good = 0
fss = macfs.FSSpec(':cancelled')
else:
fss = rr.selection[0]
## if typehandle:
## typehandle.DisposeHandle()
return fss, good
def _StandardPutFile(prompt, default=None):
args = {}
flags = 0x07
if prompt:
args['message'] = prompt
args['preferenceKey'] = 'PyMC'
if _movablemodal:
args['eventProc'] = None
if default:
args['savedFileName'] = default
args['dialogOptionFlags'] = flags
_handleSetFolder(args)
try:
rr = Nav.NavPutFile(args)
good = 1
except Nav.error, arg:
if arg[0] != -128: # userCancelledErr
raise Nav.error, arg
good = 0
fss = macfs.FSSpec(':cancelled')
else:
fss = rr.selection[0]
return fss, good
def _SetFolder(folder):
global _curfolder
if _curfolder:
rv = _curfolder
else:
rv = None
_curfolder = macfs.FSSpec(folder)
return rv
def _handleSetFolder(args):
global _curfolder
if not _curfolder:
return
import aepack
fss = macfs.FSSpec(_curfolder)
aedesc = aepack.pack(fss)
args['defaultLocation'] = aedesc
_curfolder = None
def _GetDirectory(prompt=None):
args = {}
flags = 0x17
if prompt:
args['message'] = prompt
args['preferenceKey'] = 'PyMC'
if _movablemodal:
args['eventProc'] = None
args['dialogOptionFlags'] = flags
_handleSetFolder(args)
try:
rr = Nav.NavChooseFolder(args)
good = 1
except Nav.error, arg:
if arg[0] != -128: # userCancelledErr
raise Nav.error, arg
good = 0
fss = macfs.FSSpec(':cancelled')
else:
fss = rr.selection[0]
return fss, good
def _install():
macfs.StandardGetFile = StandardGetFile
macfs.PromptGetFile = PromptGetFile
macfs.StandardPutFile = StandardPutFile
macfs.SetFolder = SetFolder
macfs.GetDirectory = GetDirectory
if Nav and Nav.NavServicesAvailable():
StandardGetFile = _StandardGetFile
PromptGetFile = _PromptGetFile
StandardPutFile = _StandardPutFile
SetFolder = _SetFolder
GetDirectory = _GetDirectory
_install()
else:
from macfs import StandardGetFile, PromptGetFile, StandardPutFile, SetFolder, GetDirectory
if __name__ == '__main__':
print 'Testing StandardGetFile'
fss, ok = StandardGetFile()
print '->', fss, ok
print 'Testing StandardGetFile("TEXT")'
fss, ok = StandardGetFile("TEXT")
print '->', fss, ok
print 'Testing PromptGetFile'
fss, ok = PromptGetFile("prompt")
print '->', fss, ok
print 'Testing StandardPutFile("the prompt", "default")'
fss, ok = StandardPutFile("the prompt", "default")
print '->', fss, ok
print 'Testing GetDirectory("another prompt")'
fss, ok = GetDirectory("Another prompt")
print '->', fss, ok
import sys
sys.exit(1)
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