Major overhaul: this is now little more than a user interface, the

preference handling code is in modules pythonprefs and preferences.
This should finally make it easier for someone (Just?) to write a
decent interface to preference setting, and it'll allow setting
initial sys.path and such from ConfigurePython.
This commit is contained in:
Jack Jansen 1997-09-08 13:19:42 +00:00
parent d0240837fc
commit 3b3a287d12
2 changed files with 123 additions and 404 deletions

View File

@ -13,9 +13,8 @@
import os
import sys
import Res # For Res.Error
# Resource in the Python resource chain
PREFNAME_NAME="PythonPreferenceFileName"
import pythonprefs
import EasyDialogs
# resource IDs in our own resources (dialogs, etc)
MESSAGE_ID = 256
@ -31,88 +30,46 @@
# The options dialog. There is a correspondence between
# the dialog item numbers and the option.
OPT_DIALOG_ID = 510
# 1 thru 9 are the options
# Map dialog item numbers to option names (and the reverse)
opt_dialog_map = [
None,
"inspect",
"verbose",
"optimize",
"unbuffered",
"debugging",
"keepopen",
"keeperror",
"nointopt",
"noargs",
"delayconsole"]
opt_dialog_dict = {}
for i in range(len(opt_dialog_map)):
if opt_dialog_map[i]:
opt_dialog_dict[opt_dialog_map[i]] = i
# 1 thru 10 are the options
# The GUSI creator/type and delay-console
OD_CREATOR_ITEM = 10
OD_TYPE_ITEM = 11
OD_DELAYCONSOLE_ITEM = 12
OD_CREATOR_ITEM = 11
OD_TYPE_ITEM = 12
OD_OK_ITEM = 13
OD_CANCEL_ITEM = 14
# Resource IDs in the preferences file
PATH_STRINGS_ID = 128
DIRECTORY_ID = 128
OPTIONS_ID = 128
GUSI_ID = 10240
# Override IDs (in the applet)
OVERRIDE_PATH_STRINGS_ID = 129
OVERRIDE_DIRECTORY_ID = 129
OVERRIDE_OPTIONS_ID = 129
OVERRIDE_GUSI_ID = 10241
# Things we know about the GUSI resource. Note the code knows these too.
GUSIPOS_TYPE=0
GUSIPOS_CREATOR=4
GUSIPOS_SKIP=8
GUSIPOS_FLAGS=9
GUSIPOS_VERSION=10
GUSIVERSION='0181'
GUSIFLAGS_DELAY=0x20 # Mask
READ = 1
WRITE = 2
smAllScripts = -3
kOnSystemDisk = 0x8000
def restolist(data):
"""Convert STR# resource data to a list of strings"""
if not data:
return []
num, = struct.unpack('h', data[:2])
data = data[2:]
rv = []
for i in range(num):
strlen = ord(data[0])
if strlen < 0: strlen = strlen + 256
str = data[1:strlen+1]
data = data[strlen+1:]
rv.append(str)
return rv
def listtores(list):
"""Convert a list of strings to STR# resource data"""
rv = struct.pack('h', len(list))
for str in list:
rv = rv + chr(len(str)) + str
return rv
def message(str = "Hello, world!", id = MESSAGE_ID):
"""Show a simple alert with a text message"""
d = GetNewDialog(id, -1)
d.SetDialogDefaultItem(1)
tp, h, rect = d.GetDialogItem(2)
SetDialogItemText(h, str)
while 1:
n = ModalDialog(None)
if n == 1: break
def optinteract((options, creator, type, delaycons)):
def optinteract(options):
"""Let the user interact with the options dialog"""
old_options = (options[:], creator, type, delaycons)
d = GetNewDialog(OPT_DIALOG_ID, -1)
tp, h, rect = d.GetDialogItem(OD_CREATOR_ITEM)
SetDialogItemText(h, creator)
SetDialogItemText(h, options['creator'])
tp, h, rect = d.GetDialogItem(OD_TYPE_ITEM)
SetDialogItemText(h, type)
SetDialogItemText(h, options['type'])
d.SetDialogDefaultItem(OD_OK_ITEM)
d.SetDialogCancelItem(OD_CANCEL_ITEM)
while 1:
for i in range(len(options)):
tp, h, rect = d.GetDialogItem(i+1)
h.as_Control().SetControlValue(options[i])
tp, h, rect = d.GetDialogItem(OD_DELAYCONSOLE_ITEM)
h.as_Control().SetControlValue(delaycons)
for name in opt_dialog_dict.keys():
num = opt_dialog_dict[name]
tp, h, rect = d.GetDialogItem(num)
h.as_Control().SetControlValue(options[name])
n = ModalDialog(None)
if n == OD_OK_ITEM:
tp, h, rect = d.GetDialogItem(OD_CREATOR_ITEM)
@ -120,25 +77,24 @@ def optinteract((options, creator, type, delaycons)):
tp, h, rect = d.GetDialogItem(OD_TYPE_ITEM)
ntype = GetDialogItemText(h)
if len(ncreator) == 4 and len(ntype) == 4:
return options, ncreator, ntype, delaycons
options['creator'] = ncreator
options['type'] = ntype
return options
else:
sys.stderr.write('\007')
MacOS.SysBeep()
elif n == OD_CANCEL_ITEM:
return old_options
return
elif n in (OD_CREATOR_ITEM, OD_TYPE_ITEM):
pass
elif n == OD_DELAYCONSOLE_ITEM:
delaycons = (not delaycons)
elif 1 <= n <= len(options):
options[n-1] = (not options[n-1])
elif 1 <= n <= len(opt_dialog_map):
options[opt_dialog_map[n]] = (not options[opt_dialog_map[n]])
def interact(list, pythondir, options, title):
def interact(options, title):
"""Let the user interact with the dialog"""
opythondir = pythondir
try:
# Try to go to the "correct" dir for GetDirectory
os.chdir(pythondir.as_pathname())
os.chdir(options['dir'].as_pathname())
except os.error:
pass
d = GetNewDialog(DIALOG_ID, -1)
@ -146,7 +102,7 @@ def interact(list, pythondir, options, title):
SetDialogItemText(h, title)
tp, h, rect = d.GetDialogItem(TEXT_ITEM)
## SetDialogItemText(h, string.joinfields(list, '\r'))
h.data = string.joinfields(list, '\r')
h.data = string.joinfields(options['path'], '\r')
d.SelectDialogItemText(TEXT_ITEM, 0, 32767)
d.SelectDialogItemText(TEXT_ITEM, 0, 0)
## d.SetDialogDefaultItem(OK_ITEM)
@ -164,272 +120,34 @@ def interact(list, pythondir, options, title):
if n == DIR_ITEM:
fss, ok = macfs.GetDirectory('Select python home folder:')
if ok:
pythondir = fss
options['dir'] = fss
if n == OPTIONS_ITEM:
options = optinteract(options)
noptions = options
for k in options.keys():
noptions[k] = options[k]
noptions = optinteract(noptions)
if noptions:
options = noptions
tmp = string.splitfields(h.data, '\r')
rv = []
newpath = []
for i in tmp:
if i:
rv.append(i)
return rv, pythondir, options
newpath.append(i)
options['path'] = newpath
return options
def getprefpath(id):
# Load the path and directory resources
try:
sr = GetResource('STR#', id)
except (MacOS.Error, Res.Error):
return None, None
d = sr.data
l = restolist(d)
return l, sr
def getprefdir(id):
try:
dr = GetResource('alis', id)
fss, fss_changed = macfs.RawAlias(dr.data).Resolve()
except (MacOS.Error, Res.Error):
return None, None, 1
return fss, dr, fss_changed
def getoptions(id):
try:
opr = GetResource('Popt', id)
except (MacOS.Error, Res.Error):
return [0]*9, None
options = map(lambda x: ord(x), opr.data)
while len(options) < 9:
options = options + [0]
return options, opr
def getgusioptions(id):
try:
opr = GetResource('GU\267I', id)
except (MacOS.Error, Res.Error):
return '????', '????', 0, None
data = opr.data
type = data[GUSIPOS_TYPE:GUSIPOS_TYPE+4]
creator = data[GUSIPOS_CREATOR:GUSIPOS_CREATOR+4]
flags = ord(data[GUSIPOS_FLAGS])
version = data[GUSIPOS_VERSION:GUSIPOS_VERSION+4]
if version <> GUSIVERSION:
message('GU\267I resource version "%s", fixing to "%s"'%(version, GUSIVERSION))
flags = 0
delay = (not not (flags & GUSIFLAGS_DELAY))
return creator, type, delay, opr
def setgusioptions(opr, creator, type, delay):
data = opr.data
flags = ord(data[GUSIPOS_FLAGS])
version = data[GUSIPOS_VERSION:GUSIPOS_VERSION+4]
if version <> GUSIVERSION:
flags = 0x88
version = GUSIVERSION
if delay:
flags = flags | GUSIFLAGS_DELAY
else:
flags = flags & ~GUSIFLAGS_DELAY
data = type + creator + data[GUSIPOS_SKIP] + chr(flags) + GUSIVERSION + data[GUSIPOS_VERSION+4:]
return data
def openpreffile(rw):
# Find the preferences folder and our prefs file, create if needed.
vrefnum, dirid = macfs.FindFolder(kOnSystemDisk, 'pref', 0)
try:
pnhandle = GetNamedResource('STR ', PREFNAME_NAME)
except Res.Error:
message("No %s resource (old Python?)"%PREFNAME_NAME)
sys.exit(1)
prefname = pnhandle.data[1:]
preff_fss = macfs.FSSpec((vrefnum, dirid, prefname))
try:
preff_handle = FSpOpenResFile(preff_fss, rw)
except Res.Error:
# Create it
message('No preferences file, creating one...')
FSpCreateResFile(preff_fss, 'Pyth', 'pref', smAllScripts)
preff_handle = FSpOpenResFile(preff_fss, rw)
return preff_handle
def openapplet(name):
fss = macfs.FSSpec(name)
try:
app_handle = FSpOpenResFile(fss, WRITE)
except Res.Error:
message('File does not have a resource fork.')
sys.exit(0)
return app_handle
def edit_preferences():
preff_handle = openpreffile(WRITE)
l, sr = getprefpath(PATH_STRINGS_ID)
if l == None:
message('Cannot find any sys.path resource! (Old python?)')
sys.exit(0)
fss, dr, fss_changed = getprefdir(DIRECTORY_ID)
if fss == None:
fss = macfs.FSSpec(os.getcwd())
fss_changed = 1
options, opr = getoptions(OPTIONS_ID)
saved_options = options[:]
creator, type, delaycons, gusi_opr = getgusioptions(GUSI_ID)
saved_gusi_options = creator, type, delaycons
# Let the user play away
result = interact(l, fss, (options, creator, type, delaycons),
'System-wide preferences')
# See what we have to update, and how
if result == None:
sys.exit(0)
pathlist, nfss, (options, creator, type, delaycons) = result
if nfss != fss:
fss_changed = 1
if fss_changed:
alias = nfss.NewAlias()
if dr:
dr.data = alias.data
dr.ChangedResource()
else:
dr = Resource(alias.data)
dr.AddResource('alis', DIRECTORY_ID, '')
if pathlist != l:
if pathlist == []:
if sr.HomeResFile() == preff_handle:
sr.RemoveResource()
elif sr.HomeResFile() == preff_handle:
sr.data = listtores(pathlist)
sr.ChangedResource()
else:
sr = Resource(listtores(pathlist))
sr.AddResource('STR#', PATH_STRINGS_ID, '')
if options != saved_options:
newdata = reduce(lambda x, y: x+chr(y), options, '')
if opr and opr.HomeResFile() == preff_handle:
opr.data = newdata
opr.ChangedResource()
else:
opr = Resource(newdata)
opr.AddResource('Popt', OPTIONS_ID, '')
if (creator, type, delaycons) != saved_gusi_options:
newdata = setgusioptions(gusi_opr, creator, type, delaycons)
if gusi_opr.HomeResFile() == preff_handle:
gusi_opr.data = newdata
gusi_opr.ChangedResource()
else:
ngusi_opr = Resource(newdata)
ngusi_opr.AddResource('GU\267I', GUSI_ID, '')
CloseResFile(preff_handle)
handler = pythonprefs.PythonOptions()
result = interact(handler.load(), 'System-wide preferences')
if result:
handler.save(result)
def edit_applet(name):
pref_handle = openpreffile(READ)
app_handle = openapplet(name)
notfound = ''
l, sr = getprefpath(OVERRIDE_PATH_STRINGS_ID)
if l == None:
notfound = 'path'
l, dummy = getprefpath(PATH_STRINGS_ID)
if l == None:
message('Cannot find any sys.path resource! (Old python?)')
sys.exit(0)
fss, dr, fss_changed = getprefdir(OVERRIDE_DIRECTORY_ID)
if fss == None:
if notfound:
notfound = notfound + ', directory'
else:
notfound = 'directory'
fss, dummy, dummy2 = getprefdir(DIRECTORY_ID)
if fss == None:
fss = macfs.FSSpec(os.getcwd())
fss_changed = 1
options, opr = getoptions(OVERRIDE_OPTIONS_ID)
if not opr:
if notfound:
notfound = notfound + ', options'
else:
notfound = 'options'
options, dummy = getoptions(OPTIONS_ID)
saved_options = options[:]
creator, type, delaycons, gusi_opr = getgusioptions(OVERRIDE_GUSI_ID)
if not gusi_opr:
if notfound:
notfound = notfound + ', GUSI options'
else:
notfound = 'GUSI options'
creator, type, delaycons, gusi_opr = getgusioptions(GUSI_ID)
saved_gusi_options = creator, type, delaycons
dummy = dummy2 = None # Discard them.
if notfound:
message('Warning: initial %s taken from system-wide defaults'%notfound)
# Let the user play away
result = interact(l, fss, (options, creator, type, delaycons), name)
# See what we have to update, and how
if result == None:
sys.exit(0)
pathlist, nfss, (options, creator, type, delaycons) = result
if nfss != fss:
fss_changed = 1
if fss_changed:
alias = nfss.NewAlias()
if dr:
dr.data = alias.data
dr.ChangedResource()
else:
dr = Resource(alias.data)
dr.AddResource('alis', OVERRIDE_DIRECTORY_ID, '')
if pathlist != l:
if pathlist == []:
if sr.HomeResFile() == app_handle:
sr.RemoveResource()
elif sr and sr.HomeResFile() == app_handle:
sr.data = listtores(pathlist)
sr.ChangedResource()
else:
sr = Resource(listtores(pathlist))
sr.AddResource('STR#', OVERRIDE_PATH_STRINGS_ID, '')
if options != saved_options:
newdata = reduce(lambda x, y: x+chr(y), options, '')
if opr and opr.HomeResFile() == app_handle:
opr.data = newdata
opr.ChangedResource()
else:
opr = Resource(newdata)
opr.AddResource('Popt', OVERRIDE_OPTIONS_ID, '')
if (creator, type, delaycons) != saved_gusi_options:
newdata = setgusioptions(gusi_opr, creator, type, delaycons)
id, type, name = gusi_opr.GetResInfo()
if gusi_opr.HomeResFile() == app_handle and id == OVERRIDE_GUSI_ID:
gusi_opr.data = newdata
gusi_opr.ChangedResource()
else:
ngusi_opr = Resource(newdata)
ngusi_opr.AddResource('GU\267I', OVERRIDE_GUSI_ID, '')
CloseResFile(app_handle)
handler = pythonprefs.AppletOptions(name)
result = interact(handler.load(), os.path.split(name)[1])
if result:
handler.save(result)
def main():
try:

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@ -1,64 +1,65 @@
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