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444 lines
11 KiB
Python
444 lines
11 KiB
Python
"""Edit the Python Preferences file."""
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#
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# This program is getting more and more clunky. It should really
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# be rewritten in a modeless way some time soon.
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from Dlg import *
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from Events import *
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from Res import *
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import string
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import struct
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import macfs
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import MacOS
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import os
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import sys
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import Res # For Res.Error
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# Resource in the Python resource chain
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PREFNAME_NAME="PythonPreferenceFileName"
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# resource IDs in our own resources (dialogs, etc)
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MESSAGE_ID = 256
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DIALOG_ID = 511
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TEXT_ITEM = 1
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OK_ITEM = 2
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CANCEL_ITEM = 3
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DIR_ITEM = 4
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TITLE_ITEM = 5
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OPTIONS_ITEM = 7
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# The options dialog. There is a correspondence between
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# the dialog item numbers and the option.
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OPT_DIALOG_ID = 510
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# 1 thru 9 are the options
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# The GUSI creator/type and delay-console
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OD_CREATOR_ITEM = 10
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OD_TYPE_ITEM = 11
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OD_DELAYCONSOLE_ITEM = 12
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OD_OK_ITEM = 13
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OD_CANCEL_ITEM = 14
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# Resource IDs in the preferences file
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PATH_STRINGS_ID = 128
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DIRECTORY_ID = 128
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OPTIONS_ID = 128
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GUSI_ID = 10240
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# Override IDs (in the applet)
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OVERRIDE_PATH_STRINGS_ID = 129
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OVERRIDE_DIRECTORY_ID = 129
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OVERRIDE_OPTIONS_ID = 129
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OVERRIDE_GUSI_ID = 10241
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# Things we know about the GUSI resource. Note the code knows these too.
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GUSIPOS_TYPE=0
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GUSIPOS_CREATOR=4
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GUSIPOS_SKIP=8
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GUSIPOS_FLAGS=9
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GUSIPOS_VERSION=10
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GUSIVERSION='0181'
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GUSIFLAGS_DELAY=0x20 # Mask
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READ = 1
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WRITE = 2
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smAllScripts = -3
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kOnSystemDisk = 0x8000
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def restolist(data):
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"""Convert STR# resource data to a list of strings"""
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if not data:
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return []
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num, = struct.unpack('h', data[:2])
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data = data[2:]
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rv = []
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for i in range(num):
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strlen = ord(data[0])
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if strlen < 0: strlen = strlen + 256
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str = data[1:strlen+1]
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data = data[strlen+1:]
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rv.append(str)
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return rv
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def listtores(list):
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"""Convert a list of strings to STR# resource data"""
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rv = struct.pack('h', len(list))
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for str in list:
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rv = rv + chr(len(str)) + str
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return rv
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def message(str = "Hello, world!", id = MESSAGE_ID):
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"""Show a simple alert with a text message"""
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d = GetNewDialog(id, -1)
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d.SetDialogDefaultItem(1)
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tp, h, rect = d.GetDialogItem(2)
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SetDialogItemText(h, str)
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while 1:
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n = ModalDialog(None)
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if n == 1: break
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def optinteract((options, creator, type, delaycons)):
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"""Let the user interact with the options dialog"""
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old_options = (options[:], creator, type, delaycons)
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d = GetNewDialog(OPT_DIALOG_ID, -1)
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tp, h, rect = d.GetDialogItem(OD_CREATOR_ITEM)
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SetDialogItemText(h, creator)
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tp, h, rect = d.GetDialogItem(OD_TYPE_ITEM)
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SetDialogItemText(h, type)
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d.SetDialogDefaultItem(OD_OK_ITEM)
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d.SetDialogCancelItem(OD_CANCEL_ITEM)
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while 1:
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for i in range(len(options)):
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tp, h, rect = d.GetDialogItem(i+1)
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h.as_Control().SetControlValue(options[i])
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tp, h, rect = d.GetDialogItem(OD_DELAYCONSOLE_ITEM)
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h.as_Control().SetControlValue(delaycons)
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n = ModalDialog(None)
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if n == OD_OK_ITEM:
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tp, h, rect = d.GetDialogItem(OD_CREATOR_ITEM)
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ncreator = GetDialogItemText(h)
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tp, h, rect = d.GetDialogItem(OD_TYPE_ITEM)
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ntype = GetDialogItemText(h)
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if len(ncreator) == 4 and len(ntype) == 4:
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return options, ncreator, ntype, delaycons
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else:
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sys.stderr.write('\007')
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elif n == OD_CANCEL_ITEM:
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return old_options
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elif n in (OD_CREATOR_ITEM, OD_TYPE_ITEM):
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pass
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elif n == OD_DELAYCONSOLE_ITEM:
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delaycons = (not delaycons)
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elif 1 <= n <= len(options):
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options[n-1] = (not options[n-1])
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def interact(list, pythondir, options, title):
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"""Let the user interact with the dialog"""
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opythondir = pythondir
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try:
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# Try to go to the "correct" dir for GetDirectory
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os.chdir(pythondir.as_pathname())
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except os.error:
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pass
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d = GetNewDialog(DIALOG_ID, -1)
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tp, h, rect = d.GetDialogItem(TITLE_ITEM)
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SetDialogItemText(h, title)
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tp, h, rect = d.GetDialogItem(TEXT_ITEM)
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SetDialogItemText(h, string.joinfields(list, '\r'))
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## d.SetDialogDefaultItem(OK_ITEM)
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d.SetDialogCancelItem(CANCEL_ITEM)
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while 1:
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n = ModalDialog(None)
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if n == OK_ITEM:
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break
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if n == CANCEL_ITEM:
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return None
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## if n == REVERT_ITEM:
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## return [], pythondir
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if n == DIR_ITEM:
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fss, ok = macfs.GetDirectory('Select python home folder:')
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if ok:
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pythondir = fss
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if n == OPTIONS_ITEM:
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options = optinteract(options)
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tmp = string.splitfields(GetDialogItemText(h), '\r')
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rv = []
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for i in tmp:
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if i:
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rv.append(i)
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return rv, pythondir, options
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def getprefpath(id):
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# Load the path and directory resources
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try:
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sr = GetResource('STR#', id)
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except (MacOS.Error, Res.Error):
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return None, None
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d = sr.data
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l = restolist(d)
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return l, sr
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def getprefdir(id):
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try:
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dr = GetResource('alis', id)
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fss, fss_changed = macfs.RawAlias(dr.data).Resolve()
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except (MacOS.Error, Res.Error):
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return None, None, 1
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return fss, dr, fss_changed
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def getoptions(id):
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try:
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opr = GetResource('Popt', id)
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except (MacOS.Error, Res.Error):
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return [0]*9, None
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options = map(lambda x: ord(x), opr.data)
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while len(options) < 9:
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options = options + [0]
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return options, opr
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def getgusioptions(id):
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try:
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opr = GetResource('GU\267I', id)
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except (MacOS.Error, Res.Error):
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return '????', '????', 0, None
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data = opr.data
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type = data[GUSIPOS_TYPE:GUSIPOS_TYPE+4]
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creator = data[GUSIPOS_CREATOR:GUSIPOS_CREATOR+4]
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flags = ord(data[GUSIPOS_FLAGS])
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version = data[GUSIPOS_VERSION:GUSIPOS_VERSION+4]
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if version <> GUSIVERSION:
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message('GU\267I resource version "%s", fixing to "%s"'%(version, GUSIVERSION))
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flags = 0
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delay = (not not (flags & GUSIFLAGS_DELAY))
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return creator, type, delay, opr
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def setgusioptions(opr, creator, type, delay):
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data = opr.data
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flags = ord(data[GUSIPOS_FLAGS])
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version = data[GUSIPOS_VERSION:GUSIPOS_VERSION+4]
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if version <> GUSIVERSION:
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flags = 0x88
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version = GUSIVERSION
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if delay:
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flags = flags | GUSIFLAGS_DELAY
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else:
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flags = flags & ~GUSIFLAGS_DELAY
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data = type + creator + data[GUSIPOS_SKIP] + chr(flags) + GUSIVERSION + data[GUSIPOS_VERSION+4:]
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return data
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def openpreffile(rw):
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# Find the preferences folder and our prefs file, create if needed.
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vrefnum, dirid = macfs.FindFolder(kOnSystemDisk, 'pref', 0)
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try:
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pnhandle = GetNamedResource('STR ', PREFNAME_NAME)
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except Res.Error:
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message("No %s resource (old Python?)"%PREFNAME_NAME)
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sys.exit(1)
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prefname = pnhandle.data[1:]
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preff_fss = macfs.FSSpec((vrefnum, dirid, prefname))
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try:
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preff_handle = FSpOpenResFile(preff_fss, rw)
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except Res.Error:
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# Create it
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message('No preferences file, creating one...')
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FSpCreateResFile(preff_fss, 'Pyth', 'pref', smAllScripts)
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preff_handle = FSpOpenResFile(preff_fss, rw)
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return preff_handle
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def openapplet(name):
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fss = macfs.FSSpec(name)
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try:
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app_handle = FSpOpenResFile(fss, WRITE)
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except Res.Error:
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message('File does not have a resource fork.')
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sys.exit(0)
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return app_handle
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def edit_preferences():
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preff_handle = openpreffile(WRITE)
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l, sr = getprefpath(PATH_STRINGS_ID)
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if l == None:
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message('Cannot find any sys.path resource! (Old python?)')
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sys.exit(0)
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fss, dr, fss_changed = getprefdir(DIRECTORY_ID)
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if fss == None:
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fss = macfs.FSSpec(os.getcwd())
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fss_changed = 1
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options, opr = getoptions(OPTIONS_ID)
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saved_options = options[:]
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creator, type, delaycons, gusi_opr = getgusioptions(GUSI_ID)
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saved_gusi_options = creator, type, delaycons
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# Let the user play away
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result = interact(l, fss, (options, creator, type, delaycons),
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'System-wide preferences')
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# See what we have to update, and how
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if result == None:
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sys.exit(0)
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pathlist, nfss, (options, creator, type, delaycons) = result
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if nfss != fss:
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fss_changed = 1
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if fss_changed:
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alias = nfss.NewAlias()
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if dr:
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dr.data = alias.data
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dr.ChangedResource()
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else:
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dr = Resource(alias.data)
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dr.AddResource('alis', DIRECTORY_ID, '')
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if pathlist != l:
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if pathlist == []:
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if sr.HomeResFile() == preff_handle:
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sr.RemoveResource()
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elif sr.HomeResFile() == preff_handle:
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sr.data = listtores(pathlist)
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sr.ChangedResource()
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else:
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sr = Resource(listtores(pathlist))
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sr.AddResource('STR#', PATH_STRINGS_ID, '')
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if options != saved_options:
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newdata = reduce(lambda x, y: x+chr(y), options, '')
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if opr and opr.HomeResFile() == preff_handle:
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opr.data = newdata
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opr.ChangedResource()
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else:
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opr = Resource(newdata)
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opr.AddResource('Popt', OPTIONS_ID, '')
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if (creator, type, delaycons) != saved_gusi_options:
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newdata = setgusioptions(gusi_opr, creator, type, delaycons)
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if gusi_opr.HomeResFile() == preff_handle:
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gusi_opr.data = newdata
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gusi_opr.ChangedResource()
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else:
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ngusi_opr = Resource(newdata)
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ngusi_opr.AddResource('GU\267I', GUSI_ID, '')
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CloseResFile(preff_handle)
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def edit_applet(name):
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pref_handle = openpreffile(READ)
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app_handle = openapplet(name)
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notfound = ''
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l, sr = getprefpath(OVERRIDE_PATH_STRINGS_ID)
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if l == None:
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notfound = 'path'
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l, dummy = getprefpath(PATH_STRINGS_ID)
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if l == None:
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message('Cannot find any sys.path resource! (Old python?)')
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sys.exit(0)
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fss, dr, fss_changed = getprefdir(OVERRIDE_DIRECTORY_ID)
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if fss == None:
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if notfound:
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notfound = notfound + ', directory'
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else:
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notfound = 'directory'
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fss, dummy, dummy2 = getprefdir(DIRECTORY_ID)
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if fss == None:
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fss = macfs.FSSpec(os.getcwd())
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fss_changed = 1
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options, opr = getoptions(OVERRIDE_OPTIONS_ID)
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if not opr:
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if notfound:
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notfound = notfound + ', options'
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else:
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notfound = 'options'
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options, dummy = getoptions(OPTIONS_ID)
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saved_options = options[:]
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creator, type, delaycons, gusi_opr = getgusioptions(OVERRIDE_GUSI_ID)
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if not gusi_opr:
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if notfound:
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notfound = notfound + ', GUSI options'
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else:
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notfound = 'GUSI options'
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creator, type, delaycons, gusi_opr = getgusioptions(GUSI_ID)
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saved_gusi_options = creator, type, delaycons
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dummy = dummy2 = None # Discard them.
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if notfound:
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message('Warning: initial %s taken from system-wide defaults'%notfound)
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# Let the user play away
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print 'DBG interaction'
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result = interact(l, fss, (options, creator, type, delaycons), name)
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# See what we have to update, and how
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if result == None:
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sys.exit(0)
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pathlist, nfss, (options, creator, type, delaycons) = result
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if nfss != fss:
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fss_changed = 1
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if fss_changed:
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alias = nfss.NewAlias()
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if dr:
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dr.data = alias.data
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dr.ChangedResource()
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else:
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dr = Resource(alias.data)
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dr.AddResource('alis', OVERRIDE_DIRECTORY_ID, '')
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if pathlist != l:
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if pathlist == []:
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if sr.HomeResFile() == app_handle:
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sr.RemoveResource()
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elif sr and sr.HomeResFile() == app_handle:
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sr.data = listtores(pathlist)
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sr.ChangedResource()
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else:
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sr = Resource(listtores(pathlist))
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sr.AddResource('STR#', OVERRIDE_PATH_STRINGS_ID, '')
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if options != saved_options:
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newdata = reduce(lambda x, y: x+chr(y), options, '')
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if opr and opr.HomeResFile() == app_handle:
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opr.data = newdata
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opr.ChangedResource()
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else:
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opr = Resource(newdata)
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opr.AddResource('Popt', OVERRIDE_OPTIONS_ID, '')
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if (creator, type, delaycons) != saved_gusi_options:
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newdata = setgusioptions(gusi_opr, creator, type, delaycons)
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id, type, name = gusi_opr.GetResInfo()
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if gusi_opr.HomeResFile() == app_handle and id == OVERRIDE_GUSI_ID:
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gusi_opr.data = newdata
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gusi_opr.ChangedResource()
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else:
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ngusi_opr = Resource(newdata)
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ngusi_opr.AddResource('GU\267I', OVERRIDE_GUSI_ID, '')
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CloseResFile(app_handle)
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def main():
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try:
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h = OpenResFile('EditPythonPrefs.rsrc')
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except Res.Error:
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pass # Assume we already have acces to our own resource
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if len(sys.argv) <= 1:
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edit_preferences()
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else:
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for appl in sys.argv[1:]:
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edit_applet(appl)
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if __name__ == '__main__':
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main()
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