mirror of
https://github.com/python/cpython.git
synced 2025-11-04 07:31:38 +00:00
114 lines
3.3 KiB
Python
114 lines
3.3 KiB
Python
"""argvemulator - create sys.argv from OSA events. Used by applets that
|
|
want unix-style arguments.
|
|
"""
|
|
|
|
import sys
|
|
import traceback
|
|
from Carbon import AE
|
|
from Carbon.AppleEvents import *
|
|
from Carbon import Evt
|
|
from Carbon.Events import *
|
|
import aetools
|
|
|
|
class ArgvCollector:
|
|
|
|
"""A minimal FrameWork.Application-like class"""
|
|
|
|
def __init__(self):
|
|
self.quitting = 0
|
|
self.ae_handlers = {}
|
|
# Remove the funny -psn_xxx_xxx argument
|
|
if len(sys.argv) > 1 and sys.argv[1][:4] == '-psn':
|
|
del sys.argv[1]
|
|
self.installaehandler('aevt', 'oapp', self.open_app)
|
|
self.installaehandler('aevt', 'odoc', self.open_file)
|
|
|
|
def installaehandler(self, classe, type, callback):
|
|
AE.AEInstallEventHandler(classe, type, self.callback_wrapper)
|
|
self.ae_handlers[(classe, type)] = callback
|
|
|
|
def close(self):
|
|
for classe, type in self.ae_handlers.keys():
|
|
AE.AERemoveEventHandler(classe, type)
|
|
|
|
def mainloop(self, mask = highLevelEventMask, timeout = 1*60):
|
|
stoptime = Evt.TickCount() + timeout
|
|
while not self.quitting and Evt.TickCount() < stoptime:
|
|
self.dooneevent(mask, timeout)
|
|
self.close()
|
|
|
|
def _quit(self):
|
|
self.quitting = 1
|
|
|
|
def dooneevent(self, mask = highLevelEventMask, timeout = 1*60):
|
|
got, event = Evt.WaitNextEvent(mask, timeout)
|
|
if got:
|
|
self.lowlevelhandler(event)
|
|
|
|
def lowlevelhandler(self, event):
|
|
what, message, when, where, modifiers = event
|
|
h, v = where
|
|
if what == kHighLevelEvent:
|
|
try:
|
|
AE.AEProcessAppleEvent(event)
|
|
except AE.Error, err:
|
|
msg = "High Level Event: %s %s" % \
|
|
(`hex(message)`, `hex(h | (v<<16))`)
|
|
print 'AE error: ', err
|
|
print 'in', msg
|
|
traceback.print_exc()
|
|
return
|
|
else:
|
|
print "Unhandled event:", event
|
|
|
|
def callback_wrapper(self, _request, _reply):
|
|
_parameters, _attributes = aetools.unpackevent(_request)
|
|
_class = _attributes['evcl'].type
|
|
_type = _attributes['evid'].type
|
|
|
|
if self.ae_handlers.has_key((_class, _type)):
|
|
_function = self.ae_handlers[(_class, _type)]
|
|
elif self.ae_handlers.has_key((_class, '****')):
|
|
_function = self.ae_handlers[(_class, '****')]
|
|
elif self.ae_handlers.has_key(('****', '****')):
|
|
_function = self.ae_handlers[('****', '****')]
|
|
else:
|
|
raise 'Cannot happen: AE callback without handler', (_class, _type)
|
|
|
|
# XXXX Do key-to-name mapping here
|
|
|
|
_parameters['_attributes'] = _attributes
|
|
_parameters['_class'] = _class
|
|
_parameters['_type'] = _type
|
|
if _parameters.has_key('----'):
|
|
_object = _parameters['----']
|
|
del _parameters['----']
|
|
# The try/except that used to be here can mask programmer errors.
|
|
# Let the program crash, the programmer can always add a **args
|
|
# to the formal parameter list.
|
|
rv = apply(_function, (_object,), _parameters)
|
|
else:
|
|
#Same try/except comment as above
|
|
rv = apply(_function, (), _parameters)
|
|
|
|
if rv == None:
|
|
aetools.packevent(_reply, {})
|
|
else:
|
|
aetools.packevent(_reply, {'----':rv})
|
|
|
|
def open_app(self, **args):
|
|
self._quit()
|
|
|
|
def open_file(self, _object=None, **args):
|
|
for alias in _object:
|
|
fss = alias.Resolve()[0]
|
|
pathname = fss.as_pathname()
|
|
sys.argv.append(pathname)
|
|
self._quit()
|
|
|
|
def other(self, _object=None, _class=None, _type=None, **args):
|
|
print 'Ignore AppleEvent', (_class, _type), 'for', _object, 'Other args:', args
|
|
|
|
if __name__ == '__main__':
|
|
ArgvCollector().mainloop()
|
|
print "sys.argv=", sys.argv
|